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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.8.1 Synchronous single co-channel interferer (DTS-1)
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.8.1.1 Definition
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The DARP reference test scenario DTS-1 for a single synchronous co-channel interferer defines an interfering signal and corresponding performance limits. This test is a measure of the capability of the DARP receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of this specific unwanted signals.
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51.010-1
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14.18.8.1.2 Conformance requirement
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MS indicating support for Downlink Advanced Receiver Performance – phase I (see 3GPP TS 24.008) shall fulfil the requirements in table 2o for wanted signals on GMSK modulated channels under TU50 no FH propagation conditions and GMSK modulated interferers for the test scenarios defined in annex L. The reference performance shall be:
• For packet switched channels (PDTCH) BLER: 10 %
The values in table 2o are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex L).
3GPP TS 45.005; clause 6.3.
Reference Test Scenarios for Synchronous single co-channel interferer
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-1
Co-channel 1
0 dB
none
no delay
3GPP TS 45.005; Annex L.
GSM 900 and GSM 850
Propagation condition
TU50 no FH
Type of channel
C/I
PDTCH MCS-1
3,5 dB
PDTCH MCS-2
5,5 dB
PDTCH MCS-3
11 dB
PDTCH MCS-4
18 dB
DCS 1 800 & PCS 1900
Propagation condition
TU50 no FH
Type of channel
C/I
PDTCH MCS-1
3,5 dB
PDTCH MCS-2
6,5 dB
PDTCH MCS-3
11,5 dB
PDTCH MCS-4
19,5 dB
3GPP TS 45.005; table 2o (extracts)
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; subclause 2
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51.010-1
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14.18.8.1.3 Test purpose
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To verify that the MS does not exceed conformance requirement for different coding schemes and under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
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51.010-1
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14.18.8.1.4 Test method
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51.010-1
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14.18.8.1.4.1 Initial condition
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A downlink TBF is established according to the generic call set up procedure with an ARFCN in the mid ARFCN range, power control level set to maximum power. The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces an independent, uncorrelated interfering signal (I1). This unwanted signal is random, continuous and GSM-modulated and has no fixed relationship with the bit transitions of the wanted signal.
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51.010-1
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14.18.8.1.4.2 Procedure
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a) The co-channel interferer signal I1 (unwanted signal) is set to -80 dBm.
b) The fading characteristic of the wanted signal C1 and the interferer signal I1 is set to TU High. No FH applies.
c) The SS transmits packets using MCS-1 coding to the MS on all allocated timeslots.
d) The SS sets the level of the wanted signal 1 dB above the value according to table 14.18.8.1.4.3-1 and table 14.18.8.1.4.3-2.
e) The SS counts the number of blocks transmitted with current coding scheme and the number of these blocks not acknowledged based on the content of the Ack/Nack Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink Ack/Nack as sent from the MS to the SS on the PACCH.
f) Once the number of blocks transmitted with the current coding scheme as counted in step (e) reaches or exceeds the minimum number of blocks as given in table 14.18-2 the SS calculates the Block error ratio. The SS resets both counters.
g) The SS repeats the steps (c) to f) for each of the coding schemes MCS-2, MCS-3 and MCS-4
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51.010-1
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14.18.8.1.4.3 Test requirement
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The block error ratio, as calculated by the SS for different channels under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 table 2ae shall be set according to the table 14.18.8.1.4.3-1 and 14.18.8.1.4.3-2.
Table 14.18.8.1.4.3-1
GSM 900, T-GSM 810 and GSM 850
PDTCH MCS-1
C/dBm
- 76,5
PDTCH MCS-2
C/dBm
- 74,5
PDTCH MCS-3
C/dBm
- 69,0
PDTCH MCS-4
C/dBm
- 62,0
Table 14.18.8.1.4.3-2
DCS 1 800 & PCS 1900
PDTCH MCS-1
C/dBm
- 76,5
PDTCH MCS-2
C/dBm
- 73,5
PDTCH MCS-3
C/dBm
- 68,5
PDTCH MCS-4
C/dBm
- 60,5
14.18.8.1a Synchronous single co-channel interferer (DTS-1) in TIGHTER configuration
14.18.8.1a.1 Definition
The DARP reference test scenario DTS-1 for a single synchronous co-channel interferer defines an interfering signal and corresponding performance limits. This test is a measure of the capability of the DARP receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of this specific unwanted signal.
14.18.8.1a.2 Conformance requirement
A MS indicating support for TIGHTER Capability (see 3GPP TS 24.008) shall fulfil the requirements in table 2ad for co channel interference (C/Ic), table 2af for adjacent channel (200 kHz) interference (C/Ia1), and the additional requirements in table 2ae for wanted signals on GMSK modulated channels for the test scenarios defined in annex L.
The reference performance shall be:
- For packet switched channels (PDTCH) BLER: 10 %
The values in table 2ae are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex L).
3GPP TS 45.005; sub clause 6.3.5
Reference Test Scenarios for Synchronous single co-channel interferer
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-1
Co-channel 1
0 dB
none
no delay
3GPP TS 45.005; Annex L.
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
14.18.8.1a.3 Test purpose
To verify that the MS does not exceed conformance requirement for different coding schemes and under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
GSM 900 and GSM 850
Propagation condition
TU50 no FH
Type of channel
C/I
PDTCH MCS-1
-6dB
PDTCH MCS-2
-4 dB
PDTCH MCS-3
1,5 dB
PDTCH MCS-4
8,5 dB
DCS 1 800 & PCS 1900
Propagation condition
TU50 no FH
Type of channel
C/I
PDTCH MCS-1
-5,5 dB
PDTCH MCS-2
-3,5 dB
PDTCH MCS-3
2 dB
PDTCH MCS-4
9 dB
3GPP TS 45.005; table 2ae (excerpt)
14.18.8.1a.4 Test method
14.18.8.1a.4.1 Initial condition
A downlink TBF is established according to the generic call set up procedure with an ARFCN in the mid ARFCN range, power control level set to maximum power. The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces an independent, uncorrelated interfering signal (I1). This unwanted signal is random, continuous and GSM-modulated and has no fixed relationship with the bit transitions of the wanted signal.
14.18.8.1a.4.2 Procedure
a) The co-channel interferer signal I1 (unwanted signal) is set to -80 dBm.
b) The fading characteristic of the wanted signal C1 and the interferer signal I1 is set to TU High. No FH applies.
c) The SS transmits packets using MCS-1 coding to the MS on all allocated timeslots.
d) The SS sets the level of the wanted signal 1 dB above the value according to table 14.18.8.1a.4.3-1 and table 14.18.8.1a.4.3-2.
e) The SS counts the number of blocks transmitted with current coding scheme and the number of these blocks not acknowledged based on the content of the Ack/Nack Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink Ack/Nack as sent from the MS to the SS on the PACCH.
f) Once the number of blocks transmitted with the current coding scheme as counted in step (e) reaches or exceeds the minimum number of blocks as given in table 14.18-2 the SS calculates the Block error ratio. The SS resets both counters.
g) The SS repeats the steps (c) to f) for each of the coding schemes MCS-2, MCS-3 and MCS-4
14.18.8.1a.4.3 Test requirement
The block error ratio, as calculated by the SS for different channels under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 table 2o shall be set according to the table 14.18.8.1a.4.3-1 and 14.18.8.1a.4.3-2.
Table 14.18.8.1a.4.3-1
GSM 900, T-GSM 810 and GSM 850
PDTCH MCS-1
C/dBm
- 86
PDTCH MCS-2
C/dBm
- 84
PDTCH MCS-3
C/dBm
- 78,5
PDTCH MCS-4
C/dBm
- 71,5
Table 14.18.8.1a.4.3-2
DCS 1 800 & PCS 1900
PDTCH MCS-1
C/dBm
- 85,5
PDTCH MCS-2
C/dBm
- 83,5
PDTCH MCS-3
C/dBm
- 78
PDTCH MCS-4
C/dBm
- 71
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51.010-1
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14.18.8.2 Synchronous single co-channel interferer (DTS-2 / DTS-3)
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51.010-1
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14.18.8.2.1 Definition
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The DARP reference test scenarios DTS-2 and DTS-3 for multiple synchronous interferers define a set of interfering signals and the corresponding performance limits. These tests are a measure of the capability of the DARP receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted signals.
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51.010-1
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14.18.8.2.2 Conformance requirement
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The block error rate (BLER) performance for PDTCH / CS-1 to CS-4 shall not exceed 10 % at the multiple interference ratios (C/Ic) according to table 14.18.8.2.2-1.
Table 14.18.8.2.2-1: Reference Test Scenarios for synchronous multiple interferers
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-2
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB
-10 dB
3 dB
-17 dB
none
none
none
-
no delay
no delay
no delay
-
DTS-3
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB
-10 dB
3 dB
-17 dB
random
none
none
-
-1 to +4 symbols
no delay
no delay
-
The values in table 14.18.8.2.2-2 and table 14.18.8.2.2-3 are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (3GPP TS 45.005, annex L).
Table 14.18.8.2.2-2
GSM 900 and GSM 850
Propagation condition
TU50 no FH
Type of channel
C/I
DTS-2
DTS-3
PDTCH MCS-1
9,5 dB
10,5 dB
PDTCH MCS-2
11 dB
12 dB
PDTCH MCS-3
15 dB
15,5 dB
PDTCH MCS-4
20 dB
21 dB
Table 14.18.8.2.2-3
DCS 1 800 & PCS 1900
Propagation condition
TU50 no FH
Type of channel
C/I
DTS-2
DTS-3
PDTCH MCS-1
9 dB
10 dB
PDTCH MCS-2
11 dB
11,5 dB
PDTCH MCS-3
15 dB
15,5 dB
PDTCH MCS-4
22 dB
22,5 dB
Reference 3GPP TS 45.005, annex L, table 2o
3GPP TS 45.05 subclause 2:
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.8.2.3 Test purpose
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To verify that the MS does not exceed the conformance requirement for different PDTCH / MSC 1-4 coding schemes under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
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51.010-1
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14.18.8.2.4 Test method
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51.010-1
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14.18.8.2.4.1 Initial condition
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A TBF is established according to the generic call set up procedure for packet switched on an ARFCN in the Mid range, on the maximum number of receive timeslots which the MS is capable to support, The MS is transmitting at maximum power. The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces multiple interfering signals for DTS-2 or DTS-3 scenarios as appropriate for the test procedure.
These interferers are:
Identical interferer for DTS-2 and DTS-3:
- Co‑channel 2 (ICoCh2): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
- Adjacent 1 (IAdjCh1): Adjacent channel interferer of type I1 as specified in TS 51.010 annex 5.2
- AWGN (IAWGN): AWGN interferer of type I3 as specified in TS51.010 annex 5.2
DTS-2 specific interferer:
- Co‑channel 1 (ICoCh1): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
DTS-3 specific interferer:
- Co‑channel 1 (ICoCh1): Delayed co-channel interferer of type I4 as specified in TS 51.010 annex 5.2.
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51.010-1
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14.18.8.2.4.2 Test procedure
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51.010-1
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14.18.8.2.4.3 DTS-2 procedure
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a) The DTS-2 co-channel interferer signal ICoCh1 is configured according to DTS-2 configuration.
b) The co-channel interferer signal ICoCh1 set to -80 dBm.
c) The power levels of the interferers ICoCh2 , IAdjCh1, and IAWGN are set according to table 14.18.8.2.2-1. The power levels are defined relative to ICoCh1.
d) The fading characteristics of the wanted signal C1 and the interferer signals ICoCh1, ICoCh2, and IAdjCh1 are set to TU High. No FH applies.
e) The SS transmits packets using MCS-1 coding on all allocated timeslots.
f) The SS sets the level of the wanted signal C1 1 dB above the level according to table 14.18.8.2.4.5-1 and table 14.18.8.2.4.5-2.
g) The SS counts the number of blocks transmitted with current coding scheme and the number of these blocks not acknowledged based on the content of the Ack/Nack Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink Ack/Nack as sent from the MS to the SS on the PACCH.
h) Once the number of blocks transmitted with the current coding scheme as counted in step (e) reaches or exceeds the minimum number of blocks as given in table 14.18-2 the SS calculates the Block error ratio. The SS resets both counters.
i) SS repeats the steps (e) to (h) for each of the coding schemes MCS-2, MCS-3 and MCS-4.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.8.2.4.4 Test method
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a) The DTS-3 co-channel interferer signal ICoCh1 is configured according to DTS-3 configuration.
b) The SS repeats the steps (b) to (h) identical to the DTS-2 procedure
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.8.2.4.5 Test requirement
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The block error ratio, as calculated by the SS for different channels and under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 (table 2o, annex L) , shall be set according to the table below.
Table 14.18.8.2.4.5-1
GSM 900, T-GSM 810 and GSM 850
Type of channel
DARP Test Scenario
DTS-2
DTS-3
PDTCH MCS-1
C/dBm
- 70,5
- 69,5
PDTCH MCS-2
C/dBm
- 69,0
- 68,0
PDTCH MCS-3
C/dBm
- 65,0
- 64,5
PDTCH MCS-4
C/dBm
- 60,0
- 59,0
Table 14.18.8.2.4.5-2
DCS 1 800 & PCS 1900
Type of channel
DARP Test Scenario
DTS-2
DTS-3
PDTCH MCS-1
C/dBm
- 71,0
- 70,0
PDTCH MCS-2
C /dBm
- 69,0
- 68,5
PDTCH MCS-3
C /dBm
- 65,0
- 64,5
PDTCH MCS-4
C /dBm
- 58,0
- 57,5
14.18.8.2a Synchronous single co-channel interferer (DTS-2 / DTS-3) in TIGHTER configuration
14.18.8.2a.1 Definition
The DARP reference test scenarios DTS-2 and DTS-3 for multiple synchronous interferers define a set of interfering signals and the corresponding performance limits. These tests are a measure of the capability of the DARP receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted signals.
14.18.8.2a.2 Conformance requirement
A MS indicating support for TIGHTER Capability (see 3GPP TS 24.008) shall fulfil the requirements in table 2ad for co channel interference (C/Ic), table 2af for adjacent channel (200 kHz) interference (C/Ia1), and the additional requirements in table 2ae for wanted signals on GMSK modulated channels for the test scenarios defined in annex L.
The reference performance shall be:
- For packet switched channel (PDTCH) BLER: ≤ 10 %
Reference Test Scenarios for synchronous multiple interferers
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-2
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB
-10 dB
3 dB
-17 dB
none
none
none
-
no delay
no delay
no delay
-
DTS-3
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB
-10 dB
3 dB
-17 dB
random
none
none
-
-1 to +4 symbols
no delay
no delay
-
3GPP TS 45.005; Annex L
The values in table 14.18.8.2a.2-2 and table 14.18.8.2a.2-3 are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (3GPP TS 45.005, annex L).
Reference 3GPP TS 45.005, annex L, table 2ae
3GPP TS 45.05 subclause 2:
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
14.18.8.2a.3 Test purpose
To verify that the MS does not exceed the conformance requirement for different PDTCH / MSC 1-4 coding schemes under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
GSM 900 and GSM 850
Propagation condition
TU50 no FH
Type of channel
C/I
DTS-2
DTS-3
PDTCH MCS-1
7,5 dB
8,5 dB
PDTCH MCS-2
9 dB
10 dB
PDTCH MCS-3
13 dB
13,5 dB
PDTCH MCS-4
18 dB
19 dB
DCS 1 800 & PCS 1900
Propagation condition
TU50 no FH
Type of channel
C/I
DTS-2
DTS-3
PDTCH MCS-1
7 dB
8 dB
PDTCH MCS-2
9 dB
9,5 dB
PDTCH MCS-3
13 dB
13,5 dB
PDTCH MCS-4
20 dB
20,5 dB
14.18.8.2a.4 Test method
14.18.8.2a.4.1 Initial condition
A TBF is established according to the generic call set up procedure for packet switched on an ARFCN in the Mid range, on the maximum number of receive timeslots which the MS is capable to support, The MS is transmitting at maximum power. The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces multiple interfering signals for DTS-2 or DTS-3 scenarios as appropriate for the test procedure.
These interferers are:
Identical interferer for DTS-2 and DTS-3:
- Co-channel 2 (ICoCh2): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
- Adjacent 1 (IAdjCh1): Adjacent channel interferer of type I1 as specified in TS 51.010 annex 5.2
- AWGN (IAWGN): AWGN interferer of type I3 as specified in TS51.010 annex 5.2
DTS-2 specific interferer:
- Co-channel 1 (ICoCh1): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
DTS-3 specific interferer:
- Co‑channel 1 (ICoCh1): Delayed co-channel interferer of type I4 as specified in TS 51.010 annex 5.2.
14.18.8.2a.4.2 Test procedure
14.18.8.2a.4.3 DTS-2 procedure
a) The DTS-2 co-channel interferer signal ICoCh1 is configured according to DTS-2 configuration.
b) The co-channel interferer signal ICoCh1 set to -80 dBm.
c) The power levels of the interferers ICoCh2 , IAdjCh1, and IAWGN are set according to table 14.18.8.2a.2-1. The power levels are defined relative to ICoCh1.
d) The fading characteristics of the wanted signal C1 and the interferer signals ICoCh1, ICoCh2, and IAdjCh1 are set to TU High. No FH applies.
e) The SS transmits packets using MCS-1 coding on all allocated timeslots.
f) The SS sets the level of the wanted signal C1 1 dB above the level according to table 14.18.8.2a.4.5-1 and table 14.18.8.2a.4.5-2.
g) The SS counts the number of blocks transmitted with current coding scheme and the number of these blocks not acknowledged based on the content of the Ack/Nack Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink Ack/Nack as sent from the MS to the SS on the PACCH.
h) Once the number of blocks transmitted with the current coding scheme as counted in step (e) reaches or exceeds the minimum number of blocks as given in table 14.18-2 the SS calculates the Block error ratio. The SS resets both counters.
i) SS repeats the steps (e) to (h) for each of the coding schemes MCS-2, MCS-3 and MCS-4.
14.18.8.2a.4.4 Test method
a) The DTS-3 co-channel interferer signal ICoCh1 is configured according to DTS-3 configuration.
b) The SS repeats the steps (b) to (h) identical to the DTS-2 procedure
14.18.8.2a.4.5 Test requirement
The block error ratio, as calculated by the SS for different channels and under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 (table 2ae, annex L) , shall be set according to the table below.
Table 14.18.8.2a.4.5-1
GSM 900, T-GSM 810 and GSM 850
Type of channel
DARP Test Scenario
DTS-2
DTS-3
PDTCH MCS-1
C/dBm
- 72,5
- 71,5
PDTCH MCS-2
C/dBm
- 71,0
- 70,0
PDTCH MCS-3
C/dBm
- 67,0
- 66,5
PDTCH MCS-4
C/dBm
- 62,0
- 61,0
Table 14.18.8.2a.4.5-2
DCS 1 800 & PCS 1900
Type of channel
DARP Test Scenario
DTS-2
DTS-3
PDTCH MCS-1
C/dBm
- 73,0
- 72,0
PDTCH MCS-2
C /dBm
- 71,0
- 70,5
PDTCH MCS-3
C /dBm
- 67,0
- 66,5
PDTCH MCS-4
C /dBm
- 60,0
- 59,5
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9 DARP Phase II EGPRS tests
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.1 Synchronous single co-channel interferer (DTS-1)
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.1.1 Definition
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The DARP phase II reference test scenario DTS-1 for a single synchronous co-channel interferer defines an interfering signal and corresponding performance limits. This test is a measure of the capability of the DARP phase II receivers to receive a wanted modulated signal without exceeding a given degradation due to the presence of this specific unwanted signal.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.1.2 Conformance requirement
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MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N
The reference performance shall be:
- For packet switched channels (PDTCH) BLER: 10 %
The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
3GPP TS 45.005; clause 6.3.
Reference Test Scenario for synchronous single co-channel interferer
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-1
Co-channel 1
0 dB
none
no delay
3GPP TS 45.005; Annex N.
GSM 900 and GSM 850
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
PDTCH MCS-1
-11,5 dB
PDTCH MCS-2
-10,0 dB
PDTCH MCS-3
-6,5 dB
PDTCH MCS-4
-1,0 dB
GSM 1800 and GSM 1900
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
PDTCH MCS-1
-10,5 dB
PDTCH MCS-2
-8,5 dB
PDTCH MCS-3
-4,5 dB
PDTCH MCS-4
2,0 dB
3GPP TS 45.005; table 2q (excerpt for DTS-1).
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.1.3 Test purpose
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To verify that the MS does not exceed conformance requirement for different coding schemes and under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
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51.010-1
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14.18.9.1.4 Test method
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51.010-1
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14.18.9.1.4.1 Initial condition
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The SS is configured as defined in annex N.2 picture N.2.2 of 3GPP 45.005
The diversity parameter for the antenna correlation is set to 0 and the antenna gain imbalance (AGI) is set to 0 dB
A call is set up according to the generic call set up procedure with an ARFCN in the mid ARFCN range on the maximum number of receive timeslots which the MS is capable to support. The power control level set to maximum power.
The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces an independent, uncorrelated interfering signal (I1). This unwanted signal is random, continuous and GSM-modulated and has no fixed relationship with the bit transitions of the wanted signal.
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51.010-1
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14.18.9.1.4.2 Procedure
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a) The co-channel interferer signal I1 (unwanted signal) is set to -70 dBm.
b) The fading characteristic of the wanted signal C1 and the interferer signal I1 is set to TU High. No FH applies.
c) The SS transmits packets using MCS-1 coding to the MS on all allocated timeslots.
d) The SS sets the level of the wanted signal 1dB above the value according the Table 14.18.9.1.5-1 and Table 14.18.9.1.5-2.
e) The SS transmits the number of blocks with current coding scheme accordingly with table 14.16-2 and counts the BLER based on the content of the ACK/NACK Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink ACK/NACK as sent from the MS to the SS on the PACCH. The SS resets both counters.
f) The SS repeats the steps (c) to (e) for each of the coding schemes MCS-2 to MCS-4
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.1.5 Test requirement
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The block error ratio, as calculated by the SS for different channels under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 table 2q shall be set according to the table below.
Table 14.18.9.1.5-1
GSM 900 and GSM 850
PDTCH MCS-1
C/dBm
-81,5
PDTCH MCS-2
C/dBm
-80,0
PDTCH MCS-3
C/dBm
-76,5
PDTCH MCS-4
C/dBm
-71,0
Table 14.18.9.1.5-2
DCS 1 800 & PCS 1900
PDTCH MCS-1
C/dBm
-80,5
PDTCH MCS-2
C/dBm
-78,5
PDTCH MCS-3
C/dBm
-74,5
PDTCH MCS-4
C/dBm
-68,0
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51.010-1
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14.18.9.2 Synchronous single co-channel interferer (DTS-1b)
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.2.1 Definition
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The DARP phase II reference test scenario DTS-1 for a single synchronous co-channel interferer defines an interfering signal and corresponding performance limits. This test is a measure of the capability of the DARP phase II receivers to receive a wanted modulated signal without exceeding a given degradation due to the presence of this specific unwanted signal.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.2.2 Conformance requirement
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MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N
The reference performance shall be:
- For packet switched channels (PDTCH) BLER: 10 %
The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
3GPP TS 45.005; clause 6.3.
Reference Test Scenario for synchronous single co-channel interferer
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-1b
Co-channel 1 8PSK
0 dB
none
no delay
3GPP TS 45.005; Annex N.
GSM 900 and GSM 850
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
PDTCH MCS-5
-6,5 dB
PDTCH MCS-6
-4,0 dB
PDTCH MCS-7
1,5 dB
PDTCH MCS-8
1,5** dB
PDTCH MCS-9
6,0** dB
GSM 1800 and GSM 1900
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
PDTCH MCS-5
-6,0 dB
PDTCH MCS-6
-3,5 dB
PDTCH MCS-7
3,0 dB
PDTCH MCS-8
5,0** dB
PDTCH MCS-9
12,0** dB
NOTE: Performance is specified at 30% BLER for those cases identified with mark ‘**
NOTE 1: DARP Test Scenario 1 (DTS-1) is similar to testing of co-channel interference for non-DARP receivers with essentially at least as stringent requirements under TU50noFH propagation conditions. DTS-1b utilizes an 8-PSK modulated interferer and is to be applied for MCS5-MCS9.
3GPP TS 45.005; table 2q (excerpt for DTS-1b).
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.2.3 Test purpose
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To verify that the MS does not exceed conformance requirement for different coding schemes and under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
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51.010-1
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14.18.9.2.4 Test method
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51.010-1
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14.18.9.2.4.1 Initial condition
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The SS is configured as defined in annex N.2 picture N.2.2 of 3GPP 45.005.
The diversity parameter for the antenna correlation is set to 0 and the antenna gain imbalance (AGI) is set to 0 dB
A call is set up according to the generic call set up procedure with an ARFCN in the mid ARFCN range on the maximum number of receive timeslots which the MS is capable to support. The power control level set to maximum power.
The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces an independent, uncorrelated interfering signal (I1). This unwanted signal is random, continuous and GSM-modulated and has no fixed relationship with the bit transitions of the wanted signal.
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51.010-1
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14.18.9.2.4.2 Procedure
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a) The co-channel interferer signal I1 (unwanted signal) is set to -70 dBm.
b) The fading characteristic of the wanted signal C1 and the interferer signal I1 is set to TU High. No FH applies.
c) The SS transmits packets using MCS-5 coding to the MS on all allocated timeslots.
d) The SS sets the level of the wanted signal 1dB above the value according the Table 14.18.9.2.5-1 and Table 14.18.9.2.5-2.
e) The SS transmits the number of blocks with current coding scheme accordingly with table 14.16-2 and counts the BLER based on the content of the ACK/NACK Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink ACK/NACK as sent from the MS to the SS on the PACCH. The SS resets both counters.
f) The SS repeats the steps (c) to (e) for each of the coding schemes MCS-6 to MCS-9
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.2.5 Test requirement
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The block error ratio, as calculated by the SS for different channels under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 table 2q shall be set according to the table below.
Table 14.18.9.2.5-1
GSM 900 and GSM 850
PDTCH MCS-5
C/dBm
-76,5
PDTCH MCS-6
C/dBm
-74,0
PDTCH MCS-7
C/dBm
-68,5
PDTCH MCS-8
C/dBm
-68,5
PDTCH MCS-9
C/dBm
-64,0
Table 14.18.9.2.5-2
DCS 1 800 & PCS 1900
PDTCH MCS-5
C/dBm
-76,0
PDTCH MCS-6
C/dBm
-73,5
PDTCH MCS-7
C/dBm
-67,0
PDTCH MCS-8
C/dBm
-65,0
PDTCH MCS-9
C/dBm
-58,0
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51.010-1
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14.18.9.3 Multiple interferers (DTS-2 / DTS-5)
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51.010-1
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14.18.9.3.1 Definition
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The DARP phase II reference test scenarios DTS-2 and DTS-5 for multiple interferers define a set of interfering signals and the corresponding performance limits. These tests are a measure of the capability of the DARP phase II receivers to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted signals.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.3.2 Conformance requirement
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MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N
The reference performance shall be:
- For packet switched channels (PDTCH) BLER: 10 %
The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
3GPP TS 45.005; clause 6.3.
Reference Test Scenarios for synchronous multiple interferers
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay range
DTS-2
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB
-10 dB
3 dB
-17 dB
none
none
none
-
no delay
no delay
no delay
-
Reference Test Scenario for asynchronous multiple interferers
Reference Test Scenario
Interfering Signal
Interferer relative power level
TSC
Interferer Delay
DTS-5
Co-channel 1
Co-channel 2
Adjacent 1
AWGN
0 dB *)
-10 dB
3 dB
-17 dB
none
none
none
-
74 symbols
no delay
no delay
-
*) The power of the delayed interferer burst, averaged over the active part of the wanted signal burst. The power of the delayed interferer burst, averaged over the active part of the delayed interferer burst is 3 dB higher.
3GPP TS 45.005; Annex N.
GSM 900 and GSM 850
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
Channel type
C/I
DTS-2
DTS-5
PDTCH MCS-1
1,0
1,5
PDTCH MCS-2
2,5
2,5
PDTCH ‘MCS-3
6,0
6,0
PDTCH MCS-4
11,0
12,5
PDTCH MCS-5
7,0
8,0
PDTCH MCS-6
9,0
10,5
PDTCH MCS-7
13,5
15,0
PDTCH MCS-8
20,0
20,5
PDTCH MCS-9
23,5
26,5
DCS 1800 and PCM 1900
Propagation condition: TU50 (no FH)
Correlation=0; AGI=0 dB
Channel type
C/I
DTS-2
DTS-5
PDTCH MCS-1
1,0
1,0
PDTCH MCS-2
2,5
2,5
PDTCH ‘MCS-3
6,0
6,0
PDTCH MCS-4
11,1
13,0
PDTCH MCS-5
6,5
7,5
PDTCH MCS-6
8,5
9,5
PDTCH MCS-7
14,0
15,0
PDTCH MCS-8
20,5
22,0
PDTCH MCS-9
25,0
25,5
3GPP TS 45.005 table 2q (excerpt for DTS-2 and DTS-5)
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.3.3 Test purpose
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To verify that the MS does not exceed the conformance requirement for different coding schemes under the propagation condition TU50/noFH with an allowance for the statistical significance of the test.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.3.4 Test method
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51.010-1
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14.18.9.3.4.1 Initial condition
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The SS is configured as defined in annex N.2 picture N.2.2 of 3GPP 45.005.
The diversity parameter for the antenna correlation is set to 0 and the antenna gain imbalance (AGI) is set to 0 dB
A call is set up according to the generic call set up procedure for packet switched on an ARFCN in the Mid range, on the maximum number of receive timeslots which the MS is capable to support, The MS is transmitting at maximum power. The power control parameter ALPHA (α) is set to 0.
The SS establish a downlink TBF.
The SS transmits Standard Test Signal C1 with TSC 0.
In addition to this wanted signal (C1), the SS produces multiple interfering signals for DTS-2 or DTS-5 scenarios as appropriate for the test procedure.
These interferers are:
Identical interferer types for DTS-2 and DTS-5:
- Co‑channel 2 (ICoCh2): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
- Adjacent 1 (IAdjCh1): Adjacent channel interferer of type I1 as specified in TS 51.010 annex 5.2
- AWGN (IAWGN): AWGN interferer of type I3 as specified in TS51.010 annex 5.2
DTS-2 specific interferer:
- Co‑channel 1 (ICoCh1): Synchronous co-channel interferer of type I1 as specified in TS 51.010 annex 5.2
DTS-5 specific interferer:
- Co‑channel 1 (ICoCh1): Delayed co-channel interferer of type I5 as specified in TS 51.010 annex 5.2.
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51.010-1
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14.18.9.3.4.2 Test Procedure
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51.010-1
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14.18.9.3.4.2.1 DTS-2 Procedure
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a) The DTS-2 co-channel interferer signal ICoCh1 is configured according to the DTS-2 configuration.
b) The co-channel interferer signal ICoCh1 set to -70 dBm.
c) The power levels of the interferers ICoCh2, IAdjCh1, and IAWGN are set according to table 14.18.9.3.21. The power levels are defined relative to ICoCh1.
d) The fading characteristics of the wanted signal C1 and the interferer signals ICoCh1, ICoCh2, and IAdjCh1 are set to TU High. No FH applies.
e) The SS transmits packets using MCS-1 coding on all allocated timeslots.
f) The SS sets the level of the wanted signal C1 1 dB above the value according to table 14.18.9.3.5-1 and table 14.18.9.3.5-2.
g) The SS transmits the number of blocks with current coding scheme accordingly with table 14.16-2 and counts the BLER based on the content of the ACK/NACK Description information element (see 3GPP TS 04.60, sub clause 12.3) in the Packet Downlink ACK/NACK as sent from the MS to the SS on the PACCH. The SS resets both counters.
h) The SS repeats the steps (e) to (h) for each of the coding schemes MCS-2 to MSC-9.
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51.010-1
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14.18.9.3.4.2.2 DTS-5 Procedure
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a) The DTS-5 co-channel interferer signal ICoCh1 is configured according to DTS-5 configuration.
b) The SS repeats the steps (b) to (i) identical to the DTS-2 procedure
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.9.3.5 Test requirement
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The block error ratio calculated by the SS for different channels and under the TU High propagation conditions, shall not exceed the conformance requirement.
NOTE: The wanted signal levels derived from calculations using 3GPP TS 45.005 table 2q, shall be set according to the table below.
Table 14.18.9.3.5-1
GSM 900 and GSM 850
Type of channel
DARP II Test Scenario
DTS-2
DTS-5
PDTCH MCS-1
C/dBm
-69,0
-68,5
PDTCH MCS-2
C/dBm
-67,5
-67,5
PDTCH MCS-3
C/dBm
-64,0
-64,0
PDTCH MCS-4
C/dBm
-59,0
-57,5
PDTCH MCS-5
C/dBm
-63,0
-62,0
PDTCH MCS-6
C/dBm
-61,0
-59,5
PDTCH MCS-7
C/dBm
-56,5
-55,0
PDTCH MCS-8
C/dBm
-50,0
-49,5
PDTCH MCS-9
C/dBm
-46,5
-43,5
Table 14.18.9.3.5-2
DCS 1 800 & PCS 1900
Type of channel
DARP II Test Scenario
DTS-2
DTS-5
PDTCH MCS-1
C/dBm
-69,0
-69,0
PDTCH MCS-2
C /dBm
-67,5
-67,5
PDTCH MCS-3
C /dBm
-64,0
-64,0
PDTCH MCS-4
C /dBm
-58,5
-57,0
PDTCH MCS-5
C/dBm
-63,5
-62,5
PDTCH MCS-6
C/dBm
-61,5
-60,5
PDTCH MCS-7
C/dBm
-56,0
-55,0
PDTCH MCS-8
C/dBm
-49,5
-48,0
PDTCH MCS-9
C/dBm
-45,0
-44,5
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51.010-1
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14.18.10 Latency Reductions
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51.010-1
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14.18.10.1 Minimum Input level for Reference Performance for PAN
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51.010-1
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14.18.10.1.1 Definition
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The minimum input level is the signal level at the MS receiver input at which a certain BLER is met.
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51.010-1
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14.18.10.1.2 Conformance requirement
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1. The block error rate (BLER) performance of data blocks containing PAN for PDTCH/MCS mentioned in the table 14.18.10.1-1 shall not exceed 10 % of input levels according to the table 14.18.10.1-1.
Table 14.18.10.1-1: Input signal level (for MS) at reference performance for GMSK, and 8-PSK with PAN included;
BTTI and RTTI
(EGPRS DL)
All GSM bands
Type of channel
Propagation conditions Static
PDTCH/MCS -1
[-104,0] dBm
PDTCH/MCS-2
[-104,0] dBm
PDTCH/MCS-3
[-101,5] dBm
PDTCH/MCS-5
[-99,0] dBm
PDTCH/MCS-6
[-97,0] dBm
PDTCH/MCS-7
[-94,0] dBm
PDTCH/MCS-8
[-90,5] dBm
These limits are corrected by the following values for the following classes of MS:
MS, GMSK modulated signals
for DCS 1 800 class 1 or class 2 MS
+2/+4 dB**
for DCS 1 800 class 3 MS
+2 dB
for GSM 400 small MS, GSM 900 small MS GSM 850 small MS and GSM 700 small MS
+2 dB
for other GSM 400, GSM 900 MS and GSM 850 MS and GSM 700 MS
0 dB
for PCS 1900 class 1 or class 2 MS
+2 dB
for other PCS 1900 MS
0 dB
MS, QPSK, 8-PSK, 16-QAM and 32-QAM modulated signals
for GSM 400, GSM 900, GSM 850 and GSM 700 small MS
0 dB
for other GSM 400, GSM 900, GSM 850 and GSM 700 MS
-2 dB
for DCS 1 800 and PCS 1900 class 1 or class 2 MS
0 dB
for other DCS 1 800 and PCS 1900 MS
-2 dB
3GPP TS 45.005, table 1o; 3GPP TS 45.005, subclause 6.2
2. The PAN error rate (incorrect decoding of PAN in downlink data blocks) at the mobile station shall not exceed 5% at input levels according to the table 14.18.10.1-2.
Table 14.18.10.1-2: Input signal level (for MS) at reference performance of PAN for GMSK and8-PSK, (EGPRS DL) ;
BTTI and RTTI
All GSM bands
Type of
Channel
Propagation conditions
Static
PDTCH/MCS-1 to 3
[-104,0] dBm
PDTCH/MCS-5 to 6
[-101,5] dBm
PDTCH/MCS-7
[-101,0] dBm
PDTCH/MCS-8
[-100,5] dBm
These limits are corrected by the following values for the following classes of MS:
MS, GMSK modulated signals
for DCS 1 800 class 1 or class 2 MS
+2/+4 dB**
for DCS 1 800 class 3 MS
+2 dB
for GSM 400 small MS, GSM 900 small MS GSM 850 small MS and GSM 700 small MS
+2 dB
for other GSM 400, GSM 900 MS and GSM 850 MS and GSM 700 MS
0 dB
for PCS 1900 class 1 or class 2 MS
+2 dB
for other PCS 1900 MS
0 dB
MS, QPSK, 8-PSK, 16-QAM and 32-QAM modulated signals
for GSM 400, GSM 900, GSM 850 and GSM 700 small MS
0 dB
for other GSM 400, GSM 900, GSM 850 and GSM 700 MS
-2 dB
for DCS 1 800 and PCS 1900 class 1 or class 2 MS
0 dB
for other DCS 1 800 and PCS 1900 MS
-2 dB
3GPP TS 45.005, table 1r; 3GPP TS 45.005, subclause 6.2
3. The BLER performance and PAN error rate shall not exceed the conformance requirements given in 1 and 2 above under extreme conditions; 3GPP TS 45.005, subclause 6.2 and annex D subclauses D.2.1 and D.2.2.
3GPP TS 45.005 subclause 2:
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.18.10.1.3 Test purpose
|
1. To verify that the MS does not exceed conformance requirement 1 for PDTCHs using different coding schemes and under static propagation conditions with an allowance for the statistical significance of the test.
2. To verify that the MS does not exceed conformance requirement 2 under static propagation conditions with an allowance for the statistical significance of the test.
3. To verify that the MS does not exceed conformance requirement 3 under static propagation conditions with an allowance for the statistical significance of the test.
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.18.10.1.4 Method of test
|
Initial conditions
NOTE 1: The BA list sent on the BCCH will indicate at least six surrounding cells with at least one near to each band edge. It is not necessary to generate any of these BCCHs but, if provided the signal strengths of BCCHs shall be in the range 15 dBVemf to35 dBVemf. Surrounding cell signal levels and cell reselection parameters are set so that the MS will not attempt a cell reselection.
NOTE 2: The ARFCN of any BCCH shall not be co-channel or on adjacent channels to the wanted traffic channel.
NOTE 3: When frequency hopping is used under static conditions, the traffic channel may fall on any of the ARFCNs defined in clause 6. When frequency hopping is used under non-static conditions any ARFCNs shall be chosen.
Test procedure
a) A downlink TBF with polled FANR enabled is established on an ARFCN in the mid-range using a BTTI configuration. The power control parameter ALPHA (α) is set to 0 and the SS commands the MS to transmit at maximum power. The SS allocates the maximum number of receive timeslots according to the MS’s multislot class.
b) The SS transmits downlink RLC data blocks addressing the MS using the MCS-3 coding scheme at a level 1 dB above the level given in conformance requirement 1. A PAN field is included in each downlink RLC data block. Note : The PAN field in the downlink RLC data blocks does not address the MS as the MS does not have an uplink TBF active.
c) The SS polls the MS for (EGPRS) PACKET DOWNLINK ACK/NACK at a rate sufficient to prevent an RLC window stall condition in the MS.
d) The SS re-transmits any downlink RLC data blocks NACKED by the MS in the (EGPRS) PACKET DOWNLINK ACK/NACK message. Note : The SS shall not repeat the re-transmission of any particular block without having ascertained reception or non-reception of the previous re-transmission by again polling the MS.
e) The SS calculates the BLER performance as a percentage based on the number of re-transmitted downlink RLC data blocks (where each re-transmission instance counts as one sample) divided by the total number of downlink RLC data blocks transmitted (including all re-transmission instances) during the downlink TBF.
f) The SS terminates the downlink TBF by sending a PACKET TBF RELEASE message.
g) An uplink TBF with FANR enabled using BTTI USF Mode is established on an ARFCN in the mid-range using a BTTI configuration. The power control parameter ALPHA (α) is set to 0 and the SS commands the MS to transmit at maximum power. The SS allocates the maximum number of transmit timeslots according to the MS’s multislot class. The SS commands the MS to send uplink RLC data blocks using the MCS-3 coding scheme.
h) During the uplink TBF, the SS sends downlink RLC data blocks at a level 1 dB above the level given in conformance requirement 2 using the same MCS as used for the uplink TBF in which the SS periodically includes a PAN field in the time based format. The reported bitmap in the PAN field shall set all blocks to ACKED. The SS shall include the PAN field sufficiently often to cover all uplink RLC data blocks received without gaps, but shall not send PAN fields in which the reported bitmaps overlap. Note : The downlink RLC data blocks do not address the MS as the MS does not have a downlink TBF active.
i) When including the PAN field, the SS shall note the set of uplink BSNs acknowledged by each PAN field. If the MS subsequently re-transmits one or more BSNs in any particular set, this counts as one error sample. The SS calculates the PAN error rate as a percentage based on the number of error samples divided by the number of PAN fields sent during the uplink TBF.
j) The SS terminates the uplink TBF by sending a PACKET TBF RELEASE message.
k) Steps a) to j) are repeated using the MCS-8 coding scheme in Steps b) and g).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.18.10.1.5 Test requirements
|
The block error rate performance (BLER) as calculated by the SS for different MCSs under any combination of normal and extreme test voltages and ambient temperatures, shall not exceed the conformance requirement.
The PAN error rate as calculated by the SS under any combination of normal and extreme test voltages and ambient temperatures shall not exceed the conformance requirement.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19 DARP Phase II Speech bearer tests
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1 TCH/FS
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1 DTS-1
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.1 Definition
|
DARP Phase II, also referred as Mobile Station Receiver Diversity is a feature where the MS uses two receive antennas in order to improve performance under non-interfering and interfering scenarios.
The DARP Phase II reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the DARP Phase II receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.2 Conformance requirement
|
1. MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N. The reference performance shall be:
- For speech channels (TCH/FS, TCH/AFSx, TCH/AHSx) FER: 1 %
2. The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
In addition for speech channels the residual class Ib BER and residual class II BER performance shall not exceed the specified values in table 2q at the corresponding C/I1.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2q, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g. TU50 becomes TU100, and the GSM 700 MS speed is increased by a factor of 1.2, e.g. TU50 becomes TU60.3GPP TS 45.005, subclause 6.3
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.3 Test purpose
|
To verify that the MS does not exceed the first conformance requirement for TCH/FS under propagation condition TUhigh with an allowance for the statistical significance of the test.
To verify that the MS does not exceed the second conformance requirement for TCH/FS under propagation condition TUhigh with an allowance for the statistical significance of the test.
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.4 Method of test
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.4.1 Initial conditions
|
A call is set up according to the generic call set up procedure on a TCH/FS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal).
The SS commands the MS to create the traffic channel loop back, signalling erased frames (subclause 36).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.4.2 Procedure
|
a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. The interfering signal level is set to -70 dBm.
The fading characteristic of the wanted and the interfering signal is TUHigh. Antenna correlation is 0 and antenna gain imbalance is 0dB.
b) The SS sets the level of the wanted signal to that indicated by Clev in table 14.19.1-2 or 14.19.1-3.
c) The SS compares the modulation of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.
d) The SS determines the number of residual bit error events for the bits of the class Ib, by examining at least the minimum number of samples of consecutive bits of class Ib. Bits are only taken from those frames not signalled as erased.
e) The SS also determines the number of residual bit error events for the bits of the class II, by examining at least the minimum number of samples of consecutive bits of class II. Bits are only taken from those frames not signalled as erased.
f) The SS also determines the frame erasure events by examining at least the minimum number of samples of consecutive frames and assuming a frame is received successfully it is not signalled as erased.
Maximum/Minimum Duration of Test
Maximum: 10 minutes (GSM 400, GSM700, GSM850, GSM900), 10 minutes (DCS1800, PCS1900).
Minimum: 4 minutes (GSM 400, GSM700, GSM850, GSM900), 2 minutes (DCS1800, PCS1900).
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.1.1.5 Test requirements
|
Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7 (A7.1.3.2)
Wrong decision risk F for one single error rate test:
Fpass = Ffail = F and F = 0.2%
Wrong decision probability D per test step:
Dpass = Dfail = D and D = 0.0085%
Parameters for limit lines:
1. D = 0.000085 wrong decision probability per test step.
2. M = 1.5 bad DUT factor
3. ne number of (error) events. This parameter is the x‑ordinate in figure Annex 7 figure A7.1.3.1.
4. ns number of samples. The error rate is calculated from ne and ns.
Limit checking
Before limit checking is valid the minimum test time due to fading needs to be considered:
Testing under multipath and interference conditions requires that at least 990 wavelengths are crossed with the speed given in the fading profile. This leads to a minimum test time depending on the frequency range. No early pass/fail decision is allowed until the minimum test time due to fading has elapsed.
Table 14.19.1-1: Minimum test times due to TU high fading conditions
Full Rate 50 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
-
0,35
0,33
0,17
0,16
m
min test time
-
-
201
190
95
90
s
-
-
0:03:21
0:03:10
0:01:35
0:01:30
hh.mm:ss
Full Rate 60 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
0,43
-
-
-
-
m
min test time
-
204
-
-
-
-
s
-
0:03:24
-
-
-
-
hh.mm:ss
Full Rate 100 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
0,75
-
-
-
-
-
m
min test time
214
-
-
-
-
-
s
0:3:34
-
-
-
-
-
hh.mm:ss
If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is made by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.
If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.
For an early decision a minimum number of (error) events is necessary.
For an early pass decision ne ≥ 1 (inclusive artificial error)
For an early fail decision ne ≥ 7
When the target test time has been reached the test is finished and a pass/fail decision can be made.
The error rate measured in this test shall be tested according to the values given in tables 14.19.1-2 or 14.19.1-3.
Table 14.19.1-2: Statistical test limits for bands other than DCS 1800 and PCS 1900 TCH/FS DARP Phase II DTS-1
DTS-1
0.8 to 0.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
FS
Frames
-82
50
0,010000
0,0123400
27958
560
00:09:20
ClassIb
(as frames)
9100
0,000600
0,0007404
465965
51
00:00:51
Class II
(as frames)
3900
0,053700
0,0662658
5207
2
00:00:02
Table 14.19.1-3: Statistical test limits for DCS 1 800 and PCS 1 900 TCH/FS DARP Phase II DTS-1
DTS-1
1.8 to 1.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
FS
Frames
-81.5
50
0,010000
0,0123400
27958
560
00:09:20
ClassIb
(as frames)
9100
0,000800
0,0009872
349474
39
00:00:39
Class II
(as frames)
3900
0,058600
0,0723124
4771
2
00:00:02
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
|
14.19.2 TCH/AFS
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1 DTS-1
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.1 Definition
|
DARP Phase II, also referred as Mobile Station Receiver Diversity is a feature where the MS uses two receive antennas in order to improve performance under non-interfering and interfering scenarios.
The DARP Phase II reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the DARP Phase II receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.2 Conformance requirement
|
1. MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N. The reference performance shall be:
- For speech channels (TCH/FS, TCH/AFSx, TCH/AHSx) FER: 1 %
2. The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
In addition for speech channels the residual class Ib BER and residual class II BER performance shall not exceed the specified values in table 2q at the corresponding C/I1.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2q, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g. TU50 becomes TU100, and the GSM 700 MS speed is increased by a factor of 1.2, e.g. TU50 becomes TU60.
3GPP TS 45.005, subclause 6.3
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.3 Test purpose
|
To verify that the MS does not exceed the first conformance requirement for TCH/AFS under propagation condition TUhigh with an allowance for the statistical significance of the test.
To verify that the MS does not exceed the second conformance requirement for TCH/AFS under propagation condition TUhigh with an allowance for the statistical significance of the test for class Ib BER.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.4 Method of test
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.4.1 Initial conditions
|
A call is set up according to the generic call set up procedure on a TCH/AFS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 12,2 kbit/s.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal), with training sequence code (TSC) = 0.
The SS commands the MS to create the traffic channel loop back, signalling erased frames (subclause 36).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.4.2 Procedure
|
a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. The interfering signal level is set to -70 dBm.
The fading characteristic of the wanted and the interfering signal is TUHigh. Antenna correlation is 0 and antenna gain imbalance is 0dB.
b) The SS sets the level of the wanted signal to that indicated by Clev in table 14.19.2-2 or 14.19.2-3.
c) The SS compares the modulation of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.
d) The SS determines the number of residual bit error events for the bits of the class Ib, by examining at least the minimum number of samples of consecutive bits of class Ib. Bits are only taken from those frames not signalled as erased.
e) The SS also determines the frame erasure events by examining at least the minimum number of samples of consecutive frames and assuming a frame is received successfully it is not signalled as erased.
f) The SS uses a Channel Mode Modify procedure to change the active codec set to 7,4 kbit/s and steps b) to e) are repeated.
g) The SS uses a Channel Mode Modify procedure to change the active codec set to 5,9 kbit/s and steps b) to e) are repeated.
Maximum/Minimum Duration of Test
Maximum: 28 minutes (GSM 400, GSM700, GSM850, GSM900), 28 minutes (DCS1800, PCS1900).
Minimum: 11 minutes (GSM 400, GSM700, GSM850, GSM900), 5 minutes (DCS1800, PCS1900).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.1.5 Test requirements
|
Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F for one single error rate test:
Fpass = Ffail = F and F = 0.2%
Wrong decision probability D per test step:
Dpass = Dfail = D and D = 0.0085%
Parameters for limit lines:
1. D = 0.000085 wrong decision probability per test step.
2. M = 1.5 bad DUT factor
3. ne number of (error) events. This parameter is the x‑ordinate in figure A7.1.3.2.
4. ns number of samples. The error rate is calculated from ne and ns.
Limit checking
Before limit checking is valid the minimum test time due to fading needs to be considered:
Testing under multipath and interference conditions requires that at least 990 wavelengths are crossed with the speed given in the fading profile. This leads to a minimum test time depending on the frequency range. No early pass/fail decision is allowed until the minimum test time due to fading has elapsed.
Table 14.19.2-1: Minimum test times due to TU high fading conditions
Full Rate 50 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
-
0,35
0,33
0,17
0,16
m
min test time
-
-
201
190
95
90
s
-
-
0:03:21
0:03:10
0:01:35
0:01:30
hh.mm:ss
Full Rate 60 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
0,43
-
-
-
-
m
min test time
-
204
-
-
-
-
s
-
0:03:24
-
-
-
-
hh.mm:ss
Full Rate 100 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
0,75
-
-
-
-
-
m
min test time
214
-
-
-
-
-
s
0:3:34
-
-
-
-
-
hh.mm:ss
If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is made by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.
If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.
For an early decision a minimum number of (error) events is necessary.
For an early pass decision ne ≥ 1 (inclusive artificial error)
For an early fail decision ne ≥ 7
When the target test time has been reached the test is finished and a pass/fail decision can be made.
The error rate measured in this test shall be tested according to the values given in tables 14-63 or 14-64.
Table 14.19.2-2: Statistical test limits for bands other than DCS 1800 and PCS 1900 TCH/AFS DARP Phase II DTS-1
DTS-1
0.8 to 0.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AFS 12.2
Frames
-81.0
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
8150
0,006900
0,0085146
40519
5
00:00:05
AFS 7.4
Frames
-83.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
4350
0,002100
0,0025914
133133
31
00:00:31
AFS 5.9
Frames
-85.0
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
3150
0,001700
0,0020978
164459
53
00:00:53
Table 14.19.2-3: Statistical test limits for DCS 1800 and PCS 1900 TCH/AFS DARP Phase II DTS-1
DTS-1
1.8 to 1.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AFS 12.2
Frames
-80.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
8150
0,008400
0,0103656
33284
5
00:00:05
AFS 7.4
Frames
-83.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
4350
0,001800
0,0022212
155322
36
00:00:36
AFS 5.9
Frames
-84.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
3150
0,002000
0,002468
139790
45
00:00:45
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2 DTS-2/5
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.1 Definition
|
DARP Phase II, also referred as Mobile Station Receiver Diversity is a feature where the MS uses two receive antennas in order to improve performance under non-interfering and interfering scenarios.
The DARP Phase II reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the DARP Phase II receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.2 Conformance requirement
|
1. MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N. The reference performance shall be:
- For speech channels (TCH/FS, TCH/AFSx, TCH/AHSx) FER: 1 %
2. The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
In addition for speech channels the residual class Ib BER and residual class II BER performance shall not exceed the specified values in table 2q at the corresponding C/I1.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2q, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g. TU50 becomes TU100, and the GSM 700 MS speed is increased by a factor of 1.2, e.g. TU50 becomes TU60.
3GPP TS 45.005, subclause 6.3
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.3 Test purpose
|
To verify that the MS does not exceed the first conformance requirement for TCH/AFS under propagation condition TUhigh with an allowance for the statistical significance of the test.
To verify that the MS does not exceed the second conformance requirement for TCH/AFS under propagation condition TUhigh with an allowance for the statistical significance of the test.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.4 Method of test
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.4.1 Initial conditions
|
A call is set up according to the generic call set up procedure on a TCH/AFS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 7,4 kbit/s.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal), with training sequence code (TSC) = 0.
The SS commands the MS to create the traffic channel loop back, signalling erased frames (subclause 36).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.4.2 Procedure
|
a) In addition to the wanted signal, the SS produces a further four interfering signals to produce scenario DTS-2.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -70 dBm.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -80 dBm.
A signal of type I1 using an ARFCN one higher than C1, with fading characteristics of TUHigh, and signal level of -67 dBm.
A signal of type I3 using the same ARFCN as C1, and signal level of -87 dBm.
b) The SS sets the level of the wanted signal to that indicated by Clev in table 14.19.2.2-2 or 14.19.2.2-3, and sets the fading characteristic of the signal to TUHigh. Antenna correlation is set to 0 and antenna gain imbalance is set to 0dB.
c) The SS compares the modulation of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.
d) The SS determines the number of residual bit error events for the bits of the class Ib, by examining at least the minimum number of samples of consecutive bits of class Ib. Bits are only taken from those frames not signalled as erased.
e) The SS also determines the frame erasure events by examining at least the minimum number of samples of consecutive frames and assuming a frame is received successfully it is not signalled as erased.
f) The SS uses a Channel Mode Modify procedure to change the active codec set to 5,9 kbit/s and steps b) to e) are repeated.
g) The SS discontinues all interfering signals.
h) In addition to the wanted signal, the SS produces a further four interfering signals to produce scenario DTS-5.
A signal of type I5 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -67 dBm.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -80 dBm.
A signal of type I1 using an ARFCN one higher than C1, with fading characteristics of TUHigh, and signal level of -67 dBm.
A signal of type I3 using the same ARFCN as C1, and signal level of -87 dBm.
i) The SS uses a Channel Mode Modify procedure to change the active codec set to 12,2 kbit/s and steps b) to e) are repeated.
Maximum/Minimum Duration of Test
Maximum: 28 minutes (GSM 400, GSM700, GSM850, GSM900), 28 minutes (DCS1800, PCS1900).
Minimum: 10 minutes (GSM 400, GSM700, GSM850, GSM900), 5 minutes (DCS1800, PCS1900).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.2.2.5 Test requirements
|
Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F for one single error rate test:
Fpass = Ffail = F and F = 0.2%
Wrong decision probability D per test step:
Dpass = Dfail = D and D = 0.0085%
Parameters for limit lines:
1. D = 0.000085 wrong decision probability per test step.
2. M = 1.5 bad DUT factor
3. ne number of (error) events. This parameter is the x‑ordinate in figure A7.1.3.1.
4. ns number of samples. The error rate is calculated from ne and ns.
Limit checking
Before limit checking is valid the minimum test time due to fading needs to be considered:
Testing under multipath and interference conditions requires that at least 990 wavelengths are crossed with the speed given in the fading profile. This leads to a minimum test time depending on the frequency range. No early pass/fail decision is allowed until the minimum test time due to fading has elapsed.
Table 14.19.2.2-1: Minimum test times due to TU 50 fading conditions
Full Rate 50 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
-
0,35
0,33
0,17
0,16
m
min test time
-
-
201
190
95
90
s
-
-
0:03:21
0:03:10
0:01:35
0:01:30
hh.mm:ss
Full Rate 60 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
0,43
-
-
-
-
m
min test time
-
204
-
-
-
-
s
-
0:03:24
-
-
-
-
hh.mm:ss
Full Rate 100 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
0,75
-
-
-
-
-
m
min test time
214
-
-
-
-
-
s
0:3:34
-
-
-
-
-
hh.mm:ss
If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is made by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.
If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.
For an early decision a minimum number of (error) events is necessary.
For an early pass decision ne ≥ 1 (inclusive artificial error)
For an early fail decision ne ≥ 7
When the target test time has been reached the test is finished and a pass/fail decision can be made.
The error rate measured in this test shall be tested according to the values given in tables 14.19.2.2-2 or 14.19.2.2-3.
Table 14.19.2.2-2: Statistical test limits for bands other than DCS 1800 and PCS 1900 TCH/AFS DARP Phase II DTS-2/5
DTS-2/5
0.8 to 0.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AFS 7.4
DTS-2
Frames
-70
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
4350
0,001500
0,001851
186386
43
00:00:43
AFS 5.9
DTS-2
Frames
-71.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
3150
0,001600
0,0019744
174737
56
00:00:56
AFS 12.2
DTS-5
Frames
-67.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
8150
0,006700
0,0082678
41729
6
00:00:06
Table 14.19.2.2-3: Statistical test limits for DCS 1800 and PCS 1900 TCH/AFS DARP Phase II DTS-2/5
DTS-2/5
1.8 to 1.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AFS 7.4
DTS-2
Frames
-71
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
4350
0,001800
0,0022212
155322
36
00:00:36
AFS 5.9
DTS-2
Frames
-72
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
3150
0,001800
0,0022212
155322
50
00:00:50
AFS 12.2
DTS-5
Frames
-68.5
50
0,010000
0,012340
27958
560
00:09:20
Class1b
(as frames)
8150
0,009400
0,0115996
29743
4
00:00:04
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3 TCH/AHS
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1 DTS-1
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.1 Definition
|
DARP Phase II, also referred as Mobile Station Receiver Diversity is a feature where the MS uses two receive antennas in order to improve performance under non-interfering and interfering scenarios.
The DARP Phase II reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the DARP Phase II receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.2 Conformance requirement
|
1. MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N. The reference performance shall be:
- For speech channels (TCH/FS, TCH/AFSx, TCH/AHSx) FER: 1 %
2. The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
In addition for speech channels the residual class Ib BER and residual class II BER performance shall not exceed the specified values in table 2q at the corresponding C/I1.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2q, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g. TU50 becomes TU100, and the GSM 700 MS speed is increased by a factor of 1.2, e.g. TU50 becomes TU60.
3GPP TS 45.005, subclause 6.3
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.3 Test purpose
|
To verify that the MS does not exceed the first conformance requirement for TCH/AHS under propagation condition TUhigh with an allowance for the statistical significance of the test.
To verify that the MS does not exceed the second conformance requirement for TCH/AHS under propagation condition TUhigh with an allowance for the statistical significance of the test.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.4 Method of test
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.4.1 Initial conditions
|
A call is set up according to the generic call set up procedure on a TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 7,4 kbit/s.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal), with training sequence code (TSC) = 0.
The SS commands the MS to create the traffic channel loop back, signalling erased frames (subclause 36).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.4.2 Procedure
|
a) In addition to the wanted signal, the SS produces one further interfering signal to produce scenario DTS-1.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -70 dBm.
The fading characteristic of the wanted signal is TUHigh. Antenna correlation is 0 and antenna gain imbalance is 0dB.
b) The SS sets the level of the wanted signal to that indicated by Clev in table 14.19.3.1-2 or 14.19.3.1-3.
c) The SS compares the modulation of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.
d) The SS determines the number of residual bit error events for the bits of the class Ib and II, by examining at least the minimum number of samples of consecutive bits of class Ib and II. Bits are only taken from those frames not signalled as erased.
e) The SS also determines the frame erasure events by examining at least the minimum number of samples of consecutive frames and assuming a frame is received successfully if it is not signalled as erased.
f) The SS uses a Channel Mode Modify procedure to change the active codec set to 5,9 kbit/s and steps b) to e) are repeated.
Maximum/Minimum Duration of Test
Maximum: 19 minutes (GSM 400, GSM700, GSM850, GSM900), 19 minutes (DCS1800, PCS1900).
Minimum: 14 minutes (GSM 400, GSM700, GSM850, GSM900), 7 minutes (DCS1800, PCS1900).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.1.5 Test requirements
|
Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F for one single error rate test:
Fpass = Ffail = F and F = 0.2%
Wrong decision probability D per test step:
Dpass = Dfail = D and D = 0.0085%
Parameters for limit lines:
1. D = 0.000085 wrong decision probability per test step.
2. M = 1.5 bad DUT factor
3. ne number of (error) events. This parameter is the x‑ordinate in figure A7.1.3.2.
4. ns number of samples. The error rate is calculated from ne and ns.
Limit checking
Before limit checking is valid the minimum test time due to fading needs to be considered:
Testing under multipath and interference conditions requires that at least 990 wavelengths are crossed with the speed given in the fading profile. This leads to a minimum test time depending on the frequency range. No early pass/fail decision is allowed until the minimum test time due to fading has elapsed.
Table 14.19.3.1-1: Minimum test times due to TU high fading conditions
Half Rate 50 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
-
0,35
0,33
0,17
0,16
m
min test time
-
-
403
380
190
180
s
-
-
0:06:43
0:06:20
0:03:10
0:03:00
hh.mm:ss
Half Rate 60 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
0,43
-
-
-
-
m
min test time
-
408
-
-
-
-
s
-
0:06:48
-
-
-
-
hh.mm:ss
Half Rate 100 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
0,75
-
-
-
-
-
m
min test time
428
-
-
-
-
-
s
0:07:08
-
-
-
-
-
hh.mm:ss
If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is made by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.
If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.
For an early decision a minimum number of (error) events is necessary.
For an early pass decision ne ≥ 1 (inclusive artificial error)
For an early fail decision ne ≥ 7
When the target test time has been reached the test is finished and a pass/fail decision can be made.
The error rate measured in this test shall be tested according to the values given in tables 14.19.3.1-2 or 14.19.3.1-3.
Table 14.19.3.1-2: Statistical test limits for bands other than DCS 1800 and PCS 1900 TCH/AHS DARP Phase II DTS-1
DTS-1
0.8 to 0.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AHS 7.4
Frames
-77.5
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2950
0.004000
0,004936
69895
24
0:00:24
Class II
(as frames)
1400
0.018800
0,0231992
14872
11
0:00:11
AHS 5.9
Frames
-79.5
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2350
0.005100
0,0062934
54820
24
0:00:24
Class II
(as frames)
800
0.032700
0,0403518
8550
11
0:00:11
Table 14.19.3.1-3: Statistical test limits for DCS 1 800 and PCS 1 900 TCH/AHS DARP Phase II DTS-1
DTS-1
1.8 to 1.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AHS 7.4
Frames
-77.0
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2950
0.005700
0,0070338
49049
17
0:00:17
Class II
(as frames)
1400
0.021100
0,0260374
13251
10
0:00:10
AHS 5.9
Frames
-79.0
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2350
0.006200
0,0076508
45094
20
0:00:20
Class II
(as frames)
800
0.035600
0,0439304
7854
10
0:00:10
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2 DTS-2
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.1 Definition
|
DARP Phase II, also referred as Mobile Station Receiver Diversity is a feature where the MS uses two receive antennas in order to improve performance under non-interfering and interfering scenarios.
The DARP Phase II reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the DARP Phase II receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.2 Conformance requirement
|
1. MS indicating support for Downlink Advanced Receiver Performance – phase II (see 3GPP TS 24.008) shall fulfil the requirements in table 2q for the test scenarios defined in annex N. The reference performance shall be:
- For speech channels (TCH/FS, TCH/AFSx, TCH/AHSx) FER: 1 %
2. The values in table 2q are given as the C/I1 ratio, where C is the power level of the wanted signal and I1 is the power level of the dominant co-channel interferer (Co-channel 1, see annex N).
In addition for speech channels the residual class Ib BER and residual class II BER performance shall not exceed the specified values in table 2q at the corresponding C/I1.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2q, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g. TU50 becomes TU100, and the GSM 700 MS speed is increased by a factor of 1.2, e.g. TU50 becomes TU60.3GPP TS 45.005, subclause 6.3.
For T-GSM 810 the requirements for GSM 900 shall apply, apart for those parameters for which a separate requirement exists.
3GPP TS 45.005; sub clause 2
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.3 Test purpose
|
To verify that the MS does not exceed the first conformance requirement for TCH/AHS under propagation condition TUhigh with an allowance for the statistical significance of the test.
To verify that the MS does not exceed the second conformance requirement for TCH/AHS under propagation condition TUhigh with an allowance for the statistical significance of the test.
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.4 Method of test
| |
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.4.1 Initial conditions
|
A call is set up according to the generic call set up procedure on a TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 7,4 kbit/s.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal), with training sequence code (TSC) = 0.
The SS commands the MS to create the traffic channel loop back, signalling erased frames (subclause 36).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.4.2 Procedure
|
a) In addition to the wanted signal, the SS produces a further four interfering signals to produce scenario DTS-2.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -70 dBm.
A signal of type I1 using the same ARFCN as C1, with fading characteristics of TUHigh, and signal level of -80 dBm.
A signal of type I1 using an ARFCN one higher than C1, with fading characteristics of TUHigh, and signal level of -67 dBm.
A signal of type I3 using the same ARFCN as C1, and signal level of -87 dBm.
b) The SS sets the level of the wanted signal to that indicated by Clev in table 14.19.3.2-2 or 14.19.3.2-3, and sets the fading characteristic of the signal to TUHigh. Antenna correlation is set to 0 and antenna gain imbalance is set to 0dB.
c) The SS compares the modulation of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.
d) The SS determines the number of residual bit error events for the bits of the class Ib and II, by examining at least the minimum number of samples of consecutive bits of class Ib and II. Bits are only taken from those frames not signalled as erased.
e) The SS also determines the frame erasure events by examining at least the minimum number of samples of consecutive frames and assuming a frame is received successfully if it is not signalled as erased.
f) The SS uses a Channel Mode Modify procedure to change the active codec set to 5,9 kbit/s and steps b) to e) are repeated.
Maximum/Minimum Duration of Test
Maximum: 19 minutes (GSM 400, GSM700, GSM850, GSM900), 19 minutes (DCS1800, PCS1900).
Minimum: 14 minutes (GSM 400, GSM700, GSM850, GSM900), 7 minutes (DCS1800, PCS1900).
|
683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.19.3.2.5 Test requirements
|
Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F for one single error rate test:
Fpass = Ffail = F and F = 0.2%
Wrong decision probability D per test step:
Dpass = Dfail = D and D = 0.0085%
Parameters for limit lines:
1. D = 0.000085 wrong decision probability per test step.
2. M = 1.5 bad DUT factor
3. ne number of (error) events. This parameter is the x‑ordinate in figure A7.1.3.1.
4. ns number of samples. The error rate is calculated from ne and ns.
Limit checking
Before limit checking is valid the minimum test time due to fading needs to be considered:
Testing under multipath and interference conditions requires that at least 990 wavelengths are crossed with the speed given in the fading profile. This leads to a minimum test time depending on the frequency range. No early pass/fail decision is allowed until the minimum test time due to fading has elapsed.
Table 14.19.3.2-1: Minimum test times due to TU 50 fading conditions
Half Rate 50 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
-
0,35
0,33
0,17
0,16
m
min test time
-
-
403
380
190
180
s
-
-
0:06:43
0:06:20
0:03:10
0:03:00
hh.mm:ss
Half Rate 60 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
-
0,43
-
-
-
-
m
min test time
-
408
-
-
-
-
s
-
0:06:48
-
-
-
-
hh.mm:ss
Half Rate 100 km/h
Frequency
0,4
0,7
0,85
0,9
1,8
1,9
GHz
Wavelength
0,75
-
-
-
-
-
m
min test time
428
-
-
-
-
-
s
0:07:08
-
-
-
-
-
hh.mm:ss
If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is made by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.
If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.
For an early decision a minimum number of (error) events is necessary.
For an early pass decision ne ≥ 1 (inclusive artificial error)
For an early fail decision ne ≥ 7
When the target test time has been reached the test is finished and a pass/fail decision can be made.
The error rate measured in this test shall be tested according to the values given in tables 14.19.3.2-2 or 14.19.3.2-3.
Table 14.19.3.2-2: Statistical test limits for bands other than DCS 1800 and PCS 1900 TCH/AHS DARP Phase II DTS-2
DTS-2
0.8 to 0.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AHS 7.4
DTS-2
Frames
-65.5
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2950
0.005000
0,00617
55916
19
0:00:19
Class II
(as frames)
1400
0.022500
0,027765
12426
9
0:00:09
AHS 5.9
DTS-2
Frames
-67
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2350
0.006400
0,0078976
43685
19
0:00:19
Class II
(as frames)
800
0.038500
0.071572
4821
9
0:00:09
Table 14.19.3.2-3: Statistical test limits for DCS 1800 and PCS 1900 TCH/AHS DARP Phase II DTS-2
DTS-2
1.8 to 1.9GHz
Clev (dBm)
Samples per second
Orig. BER requirement
Derived test limit
Target number of samples
Target test time (s)
Target test time (hh:mm:ss)
AHS 7.4
DTS-2
Frames
-65.5
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2950
0.005200
0,0064168
53766
19
0:00:19
Class II
(as frames)
1400
0.022700
0,0280118
12317
9
0:00:09
AHS 5.9
DTS-2
Frames
-67
50
0.010000
0.012340
27959
560
0:09:20
Class1b
(as frames)
2350
0.007000
0,008638
39940
17
0:00:17
Class II
(as frames)
800
0.037500
0,046275
7456
10
0:00:10
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.20 VAMOS speech bearer tests
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683b5b8a98f7b1390ddd5516ea9247a2
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51.010-1
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14.20.1 TCH HS – VDTS-1,VDTS-2/3 and VDTS-4
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.20.1.1 Definition
|
The VAMOS reference test scenarios define a set of interfering signals and corresponding performance limits. These tests are a measure of the capability of the VAMOS receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of these specific unwanted modulated signals.
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683b5b8a98f7b1390ddd5516ea9247a2
|
51.010-1
|
14.20.1.2 Conformance requirement
|
- For AQPSK modulated speech channels ( TCH/HS, TCH/AFSx, TCH/AHSx, TCH/EFS, TCH/WFSx – in downlink), and their associated control channels, the applicable requirements are in tables 2aa for VAMOS I MS, 2ab for VAMOS II MS and 2ag for VAMOS III MS.
3GPP TS 45.005, subclause 6.3.2.1
- For AQPSK modulated speech channels and control channels in downlink, the wanted input signal level shall be: -93 dBm + Ir, where Ir = the interference ratio according to tables 2aa for VAMOS I MS, 2ab for VAMOS II MS and 2ag for VAMOS III MS for VDTS-1, VDTS-2 and VDTS-3 (see subclause Q.1) for speech and associated control channels in VAMOS mode in downlink.
- For the adjacent (200 kHz) channel requirements of speech and control channels in VAMOS mode in downlink, the wanted input signal level of the AQPSK modulated signal shall be: -75 dBm + Iar, where: Iar = the adjacent channel (200 kHz) interference ratio according to tables 2aa, 2ab and 2ag for VAMOS I MS, VAMOS II MS and VAMOS III MS respectively for VDTS-4 (see subclause Q.1).
3GPP TS 45.005, subclause 6.3.4
- For half rate speech channels (TCH/HS, TCH/AHSx) FER: 1 %
3GPP TS 45.005, subclause 6.2.1a
- The C/I1 values in tables 2aa, 2ab and 2ag are ratios of received powers expressed in dB; where C is the received power of the downlink signal using Normal burst for AQPSK (see 3GPP TS 45.002) and I1 is the received power of the dominant external interferer (Co-channel 1 in tables Q.1-1 to Q.1-3) for VDTS-1 to VDTS-3 or the received power of the adjacent channel interferer for VDTS-4 (Adjacent 1 in table Q.1-4).
3GPP TS 45.005, subclause Q.1
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