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683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.4.1 Conformance requirement | When the MS receives GA-RC REGISTER REJECT message it shall:
- stop the timer TU3904,
- if the MS is in the process of GANC selection;
- ignore the received Register Reject Cause Information Element; and;
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Register Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'IMSI not allowed'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5
- not initiate a new GAN Registration procedure until the next power-on.
The MS shall also:
- Update the stored Serving GANC table as follows if the received Reject cause was not 'Network Congestion' or 'Geo Location not known':
- If the MS is not in GERAN/UTRAN coverage it shall remove information related to the AP-ID, if exists in the table.
Reference(s)
3GPP TS 44.318 sub-clause 6.2.3.3 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.4.2 Test purpose | To verify that the MS does not try to register again after receiving Registration reject due to IMSI not allowed until the MS is power cycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.4.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the serving SEGW associated with the serving GANC
- DNS inside of the default SEGW associated with the default GANC
Mobile Station:
- MS has stored the FQDN or the IP address to the serving GANC and its SEGW associated with the AP-ID
- MS has stored the FQDN or the IP address to the default GANC and its SEGW
- MS in state GA-RC DEREGISTERED
Foreseen final state of the MS
The MS will stay in state to GA-RC DEREGISTERED as the registration fails.
Test procedure
Make the MS join the AP so that the Registration procedure is kicked off.
The SS is supposed to answer the Registration Request message with Registration Rejected due to IMSI not allowed before timer TU3904 expires.
Wait for 2 minutes to confirm that the MS does not try to register again.
Switch off the MS and switch it back on again. The MS is supposed to try to register with the default GANC.
Specific Test Parameters
-
Maximum duration of test
3 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is joining the first AP
2
MS
MS sets up secure connection to the serving SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
3
GA-RC REGISTER REQUEST
To serving GANC
4
GA-RC REGISTER REJECT
Cause: IMSI not allowed
5
MS
Release the TCP connection to the serving GANC and the secure connection to the serving SEGW
6
MS
Wait for 2 minutes. Make sure that the MS doesn’t try to register again.
7
MS
Power cycle the MS
8
MS
MS sets up secure connection to the default SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
9
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.5 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.6 Registration Procedure, Registration rejected, invalid GANC | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.6.1 Conformance requirement | When the MS receives GA-RC REGISTER REJECT message it shall:
- stop the timer TU3904,
- if the MS is in the process of GANC selection;
- ignore the received Register Reject Cause Information Element; and;
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Register Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Invalid GANC' or 'Unspecified'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5
- act as defined in sub-clause 6.2.4.5
The MS shall also:
- Update the stored Serving GANC table as follows if the received Reject cause was not 'Network Congestion' or 'Geo Location not known':
- If the MS is not in GERAN/UTRAN coverage it shall remove information related to the AP-ID, if exists in the table.
The MS shall;
- If the GANC selection is ongoing:
- act on upper layer indications as follows;
- If no more PLMNs/GANCs are available for GANC selection or the GANC selection is finished unsuccessfully;
- stop all ongoing registration procedures;
- release the TCP connection towards the current GANC, if established,
- release the secure connection towards SEGW of the current GANC, if established, as defined in sub-clause 4.5
- initiate registration towards the Default GANC as defined in sub-clause 6.2.1;
- else if the GANC selection process indicates new PLMN/GANC selection:
- initiate registration procedure towards the GANC associated with the selected PLMN as defined in sub-clause 6.2.
- else if the MS attempted the registration towards the Default GANC
- delete the stored information about the Default GANC,
- delete the contents of the stored Serving GANC table
- Increment Redirection Counter
- initiate Discovery Procedure as defined in sub-clause 5.3
- else if the MS attempted the registration towards current GANC is a Serving GANC
- Update the stored Serving GANC table as defined in the end of sub-clause 6.2.3.3 (i.e. delete information about this Serving GANC in the table) and
- Increment Redirection Counter
- initiate Registration Procedure towards the Default GANC as defined in sub-clause 6.2.1
Reference(s)
3GPP TS 44.318 sub-clause 6.2.3.3 and 6.2.4.5 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.6.2 Test purpose | To verify for serving and default GANC that the MS does not try to register again to the same GANC after receiving Registration reject due to invalid GANC. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.6.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of any GANC’s FQDN
- DNS inside of the serving SEGW associated with the serving GANC
- DNS inside of the default SEGW associated with the default GANC
- DNS inside of the provisioning SEGW associated with the provisioning GANC
Mobile Station:
- MS has stored the FQDN or IP address to the serving GANC associated with the AP-ID
- MS has stored the FQDN or IP address to the default GANC
- MS in state GA-RC DEREGISTERED
Foreseen final state of the MS
The MS will stay in state to GA-RC DEREGISTERED as the registration fails.
Test procedure
Make the MS join the AP so that the Registration procedure is kicked off.
The SS is supposed to answer the Registration Request message with Registration Rejected due invalid GANC before timer TU3904 expires.
Check that the MS kicks off the Registration procedure towards the Default GANC. Check the Register Reject Cause IE and Redirection Counter IE in the Discovery Request message.
The SS is supposed to answer the Registration Request message with Registration Rejected due invalid GANC before timer TU3904 expires.
Check that the MS kicks off the Discovery procedure towards the Provisioning GANC. Check the Register Reject Cause IE and Redirection Counter IE in the Discovery Request message.
Specific Test Parameters
-
Maximum duration of test
2 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is joining the first AP
2
MS
MS sets up secure connection to the serving SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
3
GA-RC REGISTER REQUEST
To serving GANC
4
GA-RC REGISTER REJECT.
Cause: Invalid GANC
5
Release the TCP connection to the serving GANC and the secure connection to the serving SEGW
6
MS sets up secure connection to the default SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
7
GA-RC REGISTER REQUEST
To default GANC
8
GA-RC REGISTER REJECT.
Cause: Invalid GANC
9
Release the TCP connection to the default GANC and the secure connection to the default SEGW
10
MS sets up secure connection to the provisioning SEGW and establishes a TCP connection to the provisioning GANC using either IP address or FQDN
11
GA-RC DISCOVERY REQUEST
To provisioning GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.7 Registration Procedure, Registration rejected, Geo location not known | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.7.1 Conformance requirement | When the MS receives GA-RC REGISTER REJECT message it shall:
- stop the timer TU3904,
- if the MS is in the process of GANC selection;
- ignore the received Register Reject Cause Information Element; and;
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Register Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Geo Location not known'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5
- not retry registration from this AP until the location is provided or until the next power-on.
Reference(s)
3GPP TS 44.318 sub-clause 6.2.3.3 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.7.2 Test purpose | To verify that the MS does not try to register again after receiving Registration Reject due to 'Geo location not known' until the MS is power cycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.3.7.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the serving SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN or the IP address to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC DEREGISTERED
Foreseen final state of the MS
The MS will stay in state to GA-RC DEREGISTERED as the registration fails.
Test procedure
Make the MS join the AP so that the Registration procedure is kicked off.
The SS is supposed to answer the Registration Request message with Registration Rejected due to Geo location not known before timer TU3904 expires.
Wait for 2 minutes to confirm that the MS does not try to register again.
Switch off the MS and switch it back on again. The MS is supposed to try to register again.
Specific Test Parameters
-
Maximum duration of test
3 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is joining the first AP
2
MS
MS sets up secure connection to the serving SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
3
GA-RC REGISTER REQUEST
To serving GANC
4
GA-RC REGISTER REJECT
Cause: Geo location not known
5
Release the TCP connection to the GANC and the secure connection to the SEGW
6
MS
Wait for 2 minutes. Make sure that the MS doesn’t try to register again.
7
MS
Power cycle the MS
8
MS
MS sets up secure connection to the serving SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
9
GA-RC REGISTER REQUEST
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4 Registration Procedure, Abnormal Cases | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.1 Registration Procedure, TU3904/TU3905 expiry, Serving GANC | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.1.1 Conformance requirement | If timer TU3904 expires in the MS, the MS shall:
- release the TCP connection towards the GANC,
- release the secure connection towards SEGW of the GANC as defined in sub-clause 4.5,
- If GAN registration is unsuccessful after a number of attempts defined by the MS parameter "Up Register Max Retries" (defined in sub-clause 12.2.3), the MS shall act as defined in sub-clause 6.2.4.5.
- Otherwise, if GAN Registration can be re-attempted according to the MS parameter "Up Register Max Retries", start timer TU3905 and wait for it to expire.
If timer TU3905 has expired in the MS, the MS shall restart the Registration procedure as defined in sub-clause 6.2.1.
Reference(s)
3GPP TS 44.318 sub-clause 6.2.4.1 and 6.2.4.3 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.1.2 Test purpose | To verify that the MS retries to register correct number of times before it tries to register at another GANC when it does not get any reply on the Registration Request message. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.1.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC DEREGISTERED
Foreseen final state of the MS
The MS will stay in state to GA-RC DEREGISTERED as the registration fails.
Test procedure
Make the MS join the AP so that the Registration procedure is kicked off.
The SS is not supposed to answer the Registration Request message at all.
The MS will wait for TU3904 and TU3905 to expire and retry to register again the number of times that is set in the MS parameter ‘Up Register Max Retries’. After that it will try to register at the default GANC
Specific Test Parameters
‘Up Register Max Retries’ (3 times)
Maximum duration of test
3 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is joining the first AP
2
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
3
GA-RC REGISTER REQUEST
1st time to serving GANC, MS starts TU3904
4
MS
Wait for 30 seconds so that TU3904 expires. TU3905 is set
5
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
6
MS
Wait for 10 seconds so that TU3905 expires
7
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
8
GA-RC REGISTER REQUEST
2nd time to serving GANC, MS starts TU3904. 1st reattempt
9
MS
Wait for 30 seconds so that TU3904 expires. TU3905 is set
10
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
11
MS
Wait for 10 seconds so that TU3905 expires
12
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
13
GA-RC REGISTER REQUEST
3rd time to serving GANC, MS starts TU3904. 2nd reattempt
14
MS
Wait for 30 seconds so that TU3904 expires.
15
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
16
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
17
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.2 Registration Procedure, Registration Rejected, Network Congestion, Persistent Fault | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.2.1 Conformance requirement | When the MS receives GA-RC REGISTER REJECT message it shall:
- stop the timer TU3904,
- if the MS is in the process of GANC selection;
- ignore the received Register Reject Cause Information Element; and;
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Register Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Network Congestion'
- create a random value between zero and the received value in IE 'TU3907 Timer' and
- add this value to the received value in IE 'TU3907 Timer', and use this as the new value for TU3907
- start timer TU3907 according to the new calculated value and wait for it to expire.
If timer TU3907 expires in the MS, the MS shall:
- If GAN registration is unsuccessful after a number of attempts defined by the MS parameter "Up Register Max Retries" (defined in sub-clause 12.2.3), the MS shall act as if a "Lower layer failure in the MS" has occurred as defined in sub-clause 6.2.4.2
- else, if the TCP connection to the GANC is still established,
- send a GA-RC REGISTER REQUEST that includes information elements as described in sub-clause 6.2.1 and
- start timer TU3904
- else, restart the GAN Registration procedure towards the GANC as defined in sub-clause 6.2.1
Reference(s)
3GPP TS 44.318 sub-clause 6.2.3.3 and 6.2.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.2.2 Test purpose | To verify that the MS retries to register to the same GANC the correct number of times when it gets rejected due to network congestion several times. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.2.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC DEREGISTERED
Foreseen final state of the MS
The MS will stay in state to GA-RC DEREGISTERED as the registration fails.
Test procedure
Make the MS join the AP so that the Registration procedure is kicked off.
The SS is supposed to answer the Registration Request message with Registration Rejected due to network congestion before timer TU3904 expires. TU3907 Timer IE is set to 60 (1 minutes).
The MS will wait for TU3904 and TU3907 to expire and retry to register again the number of times that is set in the MS parameter ‘Up Register Max Retries’.
At the first reject the SS releases the TCP connection and the Ipsec tunnel, so that the MS has to establish the connection again. The rest of the rejects can keep the connection as that is the most likely scenario.
Specific Test Parameters
Up Register Max Retries’ is set to 3 times
Maximum duration of test
7 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is joining the AP
2
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
3
GA-RC REGISTER REQUEST
1st time to serving GANC, MS starts TU3904
4
GA-RC REGISTER REJECT
Cause: network congested. TU3907 Timer IE is set to 60 seconds
5
MS
The MS sets TU3907 randomly between 60 and 120, i.e. 1 – 2 minutes. Wait until TU3907 expires
6
GA-RC REGISTER REQUEST
2nd time to serving GANC, MS starts TU3904. 1st reattempt
7
GA-RC REGISTER REJECT
Cause: network congested. TU3907 Timer IE is set to 60 seconds
8
MS
The MS sets TU3907 randomly between 60 and 120, i.e. 1 – 2 minutes. Wait until TU3907 expires
9
GA-RC REGISTER REQUEST
3rd time to serving GANC, MS starts TU3904. 2nd reattempt
10
GA-RC REGISTER REJECT
Cause: network congested. TU3907 Timer IE is set to 60 seconds
11 (optional)
MS
The MS sets TU3907 randomly between 60 and 120, i.e. 1 – 2 minutes. Wait until TU3907 expires
12
MS
Release the TCP connection to the GANC and the secure connection to the SEGW |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.3 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.4 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.5 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.6 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.4.7 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5 Registration Procedure, Register Update | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.1 Registration Procedure, Register Update, Rejected | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.1.1 Conformance requirement | If the network rejects the Registration Update, it shall send the GA-RC DEREGISTER message to the MS. This message shall contain the Register Reject Cause information element.
When the MS receives the GA-RC DEREGISTER message, it shall behave as defined in sub-clause 6.4.4 "Reception of GA-RC DEREGISTER by MS".
When the MS receives the GA-RC DEREGISTER message, it shall:
- 'AP not allowed'
- release the TCP connection established to the GANC, if still established,
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5,
- store the AP-ID in the AP Black List of and not initiate a new Register Request from this AP, until the AP-ID is removed from the AP black list i.e. as a result of power-cycle.
Reference(s)
3GPP TS 44.318 sub-clause 6.3.2.2, 6.3.3.1 and 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.1.2 Test purpose | To verify that the MS acts according to the Register Update Reject Cause contained in the GA-RC DEREGISTER from the network. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.1.3 Method of test | Initial conditions
System Simulator:
- 2 GAN cells, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED
Test procedure
Make the MS join a second AP so that the Registration Update procedure is kicked off.
The SS is supposed to reply with GA-RC DEREGISTER.
The MS will then check the Register Reject Cause IE contained in GA-RC DEREGISTER message and act as specified in GANC 44.318 section 6.4.4.
Specific Test Parameters
-
Maximum duration of test
2 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS is changing APs
2
GA-RC REGISTER UPDATE UPLINK
To serving GANC
3
GA-RC DEREGISTER
To MS
Cause: AP not allowed
4
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
5
MS
Wait for 5 minutes. Make sure that the MS doesn’t try to register again. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.2 Registration Procedure, Register Update, Redirection | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.2.1 Conformance requirement | If the network decides to redirect the MS to another GANC, it shall send the GA-RC REGISTER REDIRECT message to the MS. This message shall contain valid information about another GANC, so that the MS is able to initiate the Registration procedure towards that GANC.
Reference(s)
3GPP TS 44.318 sub-clause 6.3.2.3 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.2.2 Test purpose | To verify that the MS can register to another GANC if it gets redirected as a result of the Registration Update procedure. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.5.2.3 Method of test | Initial conditions
System Simulator:
- 1GAN cell, default parameter
- 1 GSM cell, initially switched off
Mobile Station:
- MS in state GA-RC REGISTERED under no GSM coverage
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED as the Registration procedure to the new GANC is interrupted.
Test procedure
GSM cell is activated, MS is changing location area by going into GSM coverage area and Registration Update procedure is kicked off.
The SS is supposed to reply with .GA-RC REGISTER REDIRECT
The MS will then send GA-RC REGISTER REQUEST to the suggested GANC.
Specific Test Parameters
-
Maximum duration of test
2 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
SS
The GSM cell is activated.
2
GA-RC REGISTER UPDATE UPLINK
To serving GANC
3
GA-RC REGISTER REDIRECT
Suggest a different GANC
4
GA-RC REGISTER REQUEST
To the suggested GANC. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6 Registration Procedure, Deregister | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.1 Registration Procedure, Deregister, Network Congestion, MS in State GA-CSR DEDICATED | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.1.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Network Congestion'
- release all local GAN resources (e.g. MS is in active call over GAN)
- release the TCP connection towards the current GANC and
- release the secure connection towards the GANC-SEGW, as defined in sub-clause 4.5
- create a random value between zero and the received value in IE ‘TU3907 Timer’ and
- add this value to the received value in IE ‘TU3907 Timer’, and use this as the new value for TU3907
- start timer TU3907 according to the new calculated value
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.1.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and starts to try to register again after receiving GA-RC DEREGISTER with cause ‘Network Congestion’. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.1.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RRC CONNECTED (CS sublayer entity or CS sublayer entity or both CS and PS CS sublayer entities)
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Network Congestion’.
The MS is supposed to start the Registration procedure when TU3907 has expired.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, cause: network congested. TU3907 is set to 10 sec.
2
MS
Release the active call
3
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
4
MS
The SS checks that the following step is initiated by the MS within min 10 and 20 sec
5
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.2 Registration Procedure, Deregister, AP Not Allowed, MS in State GA-RC REGISTERED | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.2.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'AP not allowed'
- release the TCP connection established to the GANC, if still established,
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5,
- store the AP-ID in the AP Black List of and not initiate a new Register Request from this AP, until the AP-ID is removed from the AP black list i.e. as a result of power-cycle.
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.2.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and does not start to try to register again after receiving GA-RC DEREGISTER with cause ‘AP not allowed’ until it is powercycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.2.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘AP not allowed’.
The MS are not allowed to try to register again from the same AP. Therefore, wait for 5 minutes and then powercycle the MS so that the AP disappears from the AP black list and the MS can register again from that AP.
Specific Test Parameters
-
Maximum duration of test
6 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, cause: AP not allowed.
2
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
3
MS
Wait for 5 minutes
4
MS
Powercycle the MS
5
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.3 Registration Procedure, Deregister, Location Not Allowed, MS in State GA-CSR IDLE | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.3.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Location not allowed'
- release the TCP connection established to the GANC, if still established,
- release the secure connection towards the SEGW associated with the GANC, as defined in sub-clause 4.5,
- update the Location Black List according to the received information elements Location Black List indicator and Location Area Identification and not initiate a new Register Request from that Location, until the Location is removed from the Location Black List i.e. as a result of power-cycle.
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.3.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and does not start to try to register again after receiving GA-RC DEREGISTER with cause ‘Location not allowed’ until it is powercycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.3.3 Method of test | Initial conditions
System Simulator:
- 1 GSM cell, default parameters
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the GSM cell (CGI)
- MS in state GA-CSR IDLE
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Location not allowed’.
The MS are not allowed to try to register again from the same Location area. Therefore, wait for 5 minutes and then powercycle the MS so that the LAI disappears from the Location black list and the MS can register again from that Location area.
Specific Test Parameters
-
Maximum duration of test
6 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, cause: Location not allowed.
2
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
3
MS
Wait for 5 minutes
4
MS
Powercycle the MS
5
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.4 Registration Procedure, Deregister, IMSI Not Allowed | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.4.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'IMSI not allowed'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC as defined in sub-clause 4.5,
- not initiate a new Registration procedure until the next power-on.
The MS shall also,
- Update the stored Serving GANC table as following if the received Reject cause was not 'Network Congestion' or 'Geo Location not known'
- If the MS is not in GERAN/UTRAN coverage
- Remove information related to the AP-ID, if exists in the table.
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.4.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and does not start to try to register again after receiving GA-RC DEREGISTER with cause ‘IMSI not allowed’ until it is powercycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.4.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the default GANC’s FQDN
- DNS inside of the SEGW associated with the default GANC
Mobile Station:
- MS has stored the FQDN to the default GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘IMSI not allowed’.
The MS are not allowed to try to register again. Therefore, wait for 5 minutes and then powercycle the MS so that the MS can register again.
Specific Test Parameters
-
Maximum duration of test
6 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, cause: IMSI not allowed.
2
Release the TCP connection to the GANC and the secure connection to the SEGW
3
MS
Wait for 5 minutes
4
MS
Powercycle the MS
5
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using FQDN
6
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.5 Registration Procedure, Deregister, Unspecified | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.5.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Unspecified'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC as defined in sub-clause 4.5,
- act as if a "Lower layer failure in the MS" has occurred as defined in sub-clause 6.2.4.2
The MS shall also,
- Update the stored Serving GANC table as following if the received Reject cause was not 'Network Congestion' or 'Geo Location not known'
- If the MS is not in GERAN/UTRAN coverage
- Remove information related to the AP-ID, if exists in the table.
Lower layer failure in the MS can be for example related to DNS, IPsec or TCP. If any lower layer failure happens in the MS, the MS shall:
- release the TCP connection towards the current GANC, if established,
- release the secure connection towards SEGW of the current GANC, if established, as defined in sub-clause 4.5 and
-
-
If registration is still unsuccessful after a number of attempts defined by the MS parameter "Up Connect Attempt Count" (defined in sub-clause 12.2.3), the MS shall act as defined in sub-clause 6.2.4.5.
- Otherwise, start timer TU3905 and wait for it to expire.
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 and 6.2.4.2 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.5.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and act as if it has discovered a lower layer fault when it receives the GA-RC DEREGISTER message with message code ‘Unspecified’ and the number of failed attempts doesn’t exceed the Up Connection Attempt Count. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.5.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the default GANC’s FQDN
- DNS inside of the SEGW associated with the default GANC
Mobile Station:
- MS has stored the FQDN to the default GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Unspecified’.
The MS will try to register again to the default GANC.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, with reject cause: Unspecified.
2
MS
Release the TCP connection to the GANC and the secure connection to the SEGW and TU3905 is started
3
MS
TU3905 expires
4
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using FQDN
5
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.6 Registration Procedure, Deregister, Unspecified, Persistent Fault, Default GANC | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.6.1 Conformance requirement | 3GPP TS 44.318, section 6.4.4:
When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Unspecified'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC as defined in sub-clause 4.5,
- act as if a "Lower layer failure in the MS" has occurred as defined in sub-clause 6.2.4.2
The MS shall also,
- Update the stored Serving GANC table as following if the received Reject cause was not 'Network Congestion' or 'Geo Location not known'
- If the MS is not in GERAN/UTRAN coverage
- Remove information related to the AP-ID, if exists in the table.
3GPP TS 44.318, section 6.2.4.2:
Lower layer failure in the MS can be for example related to DNS, IPsec or TCP. If any lower layer failure happens in the MS, the MS shall:
- release the TCP connection towards the current GANC, if established,
- release the secure connection towards SEGW of the current GANC, if established, as defined in sub-clause 4.5 and
- If registration is still unsuccessful after a number of attempts defined by the MS parameter "Up Connect Attempt Count" (defined in sub-clause 12.2.3), the MS shall act as defined in sub-clause 6.2.4.5.
- Otherwise, start timer TU3905 and wait for it to expire.
3GPP TS 44.318, section 6.2.4.5:
else if the MS attempted the registration towards the Default GANC
- delete the stored information about the Default GANC,
- delete the contents of the stored Serving GANC table
- Increment Redirection Counter
- initiate Discovery Procedure as defined in sub-clause 5.3
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 and 6.2.4.2, 6.2.4.5 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.6.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and will act as after a Registration Failure when it receives the GA-RC DEREGISTER message with message code ‘Unspecified’ and the number of failed attempts exceeds the Up Connection Attempt Count.. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.6.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS has stored the FQDN to the default GANC and its SEGW
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Unspecified’. The MS treat this as a lower layer fault and starts to try to set up the connection to the GANC again. The SS simulates a persistent lower layer fault and after three attempts the number of failed attempts has reached the ‘Up Connect Attempt Count’ parameter and the fault will be treated as a registration fault. The MS will perform a Discovery procedure towards the Provisioning GANC.
Specific Test Parameters
-
Maximum duration of test
2 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, with reject cause : Unspecified.
2
MS
Release the TCP connection to the serving GANC and the secure connection to the SEGW and TU3905 is started
3
MS
TU 3905 expires after 10 seconds
4
MS
MS tries to set up a secure connection to the default SEGW but fails. MS removes the secure connection. Number of Up Connect Attempts is increased to 1 and TU3905 is started
5
MS
TU 3905 expires after 10 seconds
6
MS
MS sets up a secure connection to the default SEGW and tries to set up a TCP connection to the default GANC but fails with the TCP connection. MS removes the TCP connection and the secure connection. Number of Up Connect Attempts is increased to 2 and TU3905 is started
7
MS
TU 3905 expires after 10 seconds
8
MS
MS sets up a secure connection to the default SEGW and tries to set up a TCP connection to the default GANC but fails with the TCP connection. MS removes the TCP connection and the secure connection. Number of Up Connect Attempts is increased to 3.
9
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the provisioning GANC
10
GA-RC DISCOVERY REQUEST
To provisioning GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.7 Registration Procedure, Deregister, Invalid GANC, Serving GANC | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.7.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Invalid GANC'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC as defined in sub-clause 4.5,
- act as defined in sub-clause 6.2.4.5 "Registration Failure"
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.7.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and does not start to try to register again to the same GANC after receiving GA-RC DEREGISTER with cause ‘Invalid GANC’. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.7.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Invalid GANC’.
The MS will try to register to default GANC.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, invalid GANC.
2
MS
Release the TCP connection to the GANC and the secure connection to the SEGW
3
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the default GANC using either IP address or FQDN
4
GA-RC REGISTER REQUEST
To default GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.8 Registration Procedure, Deregister, Geo Location Not Known | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.8.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
• else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Geo Location not known'
- release the TCP connection established to the GANC, if still established.
- release the secure connection towards the SEGW associated with the GANC as defined in sub-clause 4.5,
- not retry registration from this AP until the location is provided or until the next power-on.
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.8.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and does not start to try to register again after receiving GA-RC DEREGISTER with cause ‘Geo location not known’ until it is powercycled. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.8.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will change state to GA-RC DEREGISTERED.
Test procedure
The SS initiates the deregistration by sending GA-RC DEREGISTER with cause ‘Geo location not known’.
The MS are not allowed to try to register again. Therefore, wait for 5 minutes and then powercycle the MS so that the MS can register again.
Specific Test Parameters
-
Maximum duration of test
6 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
GA-RC DEREGISTER
From serving GANC, cause: Geo location not known’.
2
Release the TCP connection to the GANC and the secure connection to the SEGW
3
MS
Wait for 5 minutes
4
MS
Powercycle the MS
5
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.9 Registration Procedure, Deregister, MS Initiated | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.9.1 Conformance requirement | When the MS is leaving or about to leave the GAN coverage and the MS has successfully registered with a GANC, it should:
- send the GA-RC DEREGISTER -message using the currently established TCP-connection,
- release the TCP connection towards the GANC,
- release the secure connection towards the SEGW, as defined in sub-clause 4.5 and
- release all resources related to GAN
Reference(s)
3GPP TS 44.318 sub-clause 6.4.1 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.9.2 Test purpose | To verify that the MS sends GA-RC DEREGISTER when it is about to leave the AP e.g. when it is powered off. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.9.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
- Public DNS without knowledge of the serving GANC’s FQDN
- DNS inside of the SEGW associated with the serving GANC
Mobile Station:
- MS has stored the FQDN to the serving GANC and its SEGW associated with the AP-ID
- MS in state GA-RC REGISTERED
Foreseen final state of the MS
The MS will be switched off.
Test procedure
The MS sends the GA-RC DEREGISTER message as it is switched off.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
Switch off the MS
2
GA-RC DEREGISTER
To serving GANC
3
MS
Release the TCP connection to the GANC and the secure connection to the SEGW |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.10 Registration Procedure, Deregister, Network Congestion, MS in State GA-RRC CONNECTED | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.10.1 Conformance requirement | When the MS receives the GA-RC DEREGISTER message, it shall:
- if the MS is in the process of PLMN selection;
- ignore the received Register Reject Cause Information Element, and
- proceed as defined in sub-clause 6.2.4.5.
- else extract the Reject Cause information element and act as following depending on the value of the Reject Cause IE:
- 'Network Congestion'
- release all local GAN resources (e.g. MS is in active call over GAN)
- release the TCP connection towards the current GANC and
- release the secure connection towards the GANC-SEGW, as defined in sub-clause 4.5
- create a random value between zero and the received value in IE ‘TU3907 Timer’ and
- add this value to the received value in IE ‘TU3907 Timer’, and use this as the new value for TU3907
- start timer TU3907 according to the new calculated value
Reference(s)
3GPP TS 44.318 sub-clause 6.4.4 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.2.6.10.2 Test purpose | To verify that the MS changes state to GA-RC DEREGISTERED and starts to try to register again after receiving GA-RC DEREGISTER with cause ‘Network Congestion’. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3 Lower Layer Faults | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1 TCP Reset | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.1 TCP Reset, Successful Re-establishment, MS in State GA-CSR DEDICATED | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.1.1 Conformance requirement | When MS receives TCP RST after TCP connection failure, it shall attempt to re-establish TCP connection once. After successfully re-establishing TCP connection, the MS shall send GA-RC SYNCHRONIZATION INFORMATION to the GANC to synchronize the state information. If unsuccessful, the MS shall release the related local GA-CSR or GA-PSR resources, and continue as per section 9.5.
Reference(s)
3GPP TS 44.318 sub-clause 6.6.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.1.2 Test purpose | To verify that the MS ca re-establish the TCP connection after receiving a TCP Reset. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.1.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS in state GA-CSR DEDICATED
- The MS has the IP address or the FQDN for the serving GANC
Foreseen final state of the MS
The MS will stay in GA-CSR DEDICATED.
Test procedure
The MS starts in GA-CSR DEDICATED.
The SS sends a TCP RST and the MS re-establish the TCP connection and send the GA-RC SYNCHRONISATION INFORMATION message.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS starts in GA-CSR DEDICATED
2
SS
The SS sends TCP RST
3
MS
The MS re-establish the TCP connection
4
GA-RC SYNCHRONIZATION INFORMATION
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.2 TCP Reset, Unsuccessful Re-establishment, MS in State GA-CSR IDLE | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.2.1 Conformance requirement | When MS receives TCP RST after TCP connection failure, it shall attempt to re-establish TCP connection once. After successfully re-establishing TCP connection, the MS shall send GA-RC SYNCHRONIZATION INFORMATION to the GANC to synchronize the state information. If unsuccessful, the MS shall release the related local GA-RC or GA-PSR resources, and continue as per section 9.5.
Reference(s)
3GPP TS 44.318 sub-clause 6.6.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.2.2 Test purpose | To verify that the MS can re-establish the TCP connection after receiving a TCP Reset. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.2.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS in state GA-CSR IDLE
- The MS has the IP address or the FQDN for the serving GANC
Foreseen final state of the MS
The MS will change to GA-RC DEREGISTERED.
Test procedure
The MS starts in GA-CSR IDLE.
The SS sends a TCP RST and the MS tries to re-establish the TCP connection. When that fails it start timer TU3905 and tries to register again when the timer expires.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS starts in GA-CSR IDLE
2
SS
The SS sends TCP RST
3
MS
The MS tries to re-establish the TCP connection, the SS doesn’t reply. MS starts timer TU3905
4
MS
Wait for 10 seconds
5
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.3 TCP Reset, Successful Re-establishment, MS in State GA-RRC-CONNECTED (CS domain) | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.3.1 Conformance requirement | When MS receives TCP RST after TCP connection failure, it shall attempt to re-establish TCP connection once. After successfully re-establishing TCP connection, the MS shall send GA-RC SYNCHRONIZATION INFORMATION to the GANC to synchronize the state information. If unsuccessful, the MS shall release the related local GA-RRC resources, and continue as per section 9.5.
Reference(s)
3GPP TS 44.318 sub-clause 6.6.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.3.2 Test purpose | To verify that the MS can re-establish the TCP connection after receiving a TCP Reset. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.3.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS in state GA-RRC-CONNECTED (CS domain)
- The MS has the IP address or the FQDN for the serving GANC
Foreseen final state of the MS
The MS will stay in GA-RRC-CONNECTED (CS domain).
Test procedure
The MS starts in GA-RRC-CONNECTED (CS domain).
The SS sends a TCP RST and the MS re-establish the TCP connection and send the GA-RC SYNCHRONISATION INFORMATION message.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS starts in GA-RRC-CONNECTED (CS domain)
2
SS
The SS sends TCP RST
3
MS
The MS re-establish the TCP connection
4
GA-RC SYNCHRONIZATION INFORMATION
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.4 TCP Reset, Successful Re-establishment, MS in State GA-RRC-CONNECTED (PS domain) | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.4.1 Conformance requirement | When MS receives TCP RST after TCP connection failure, it shall attempt to re-establish TCP connection once. After successfully re-establishing TCP connection, the MS shall send GA-RC SYNCHRONIZATION INFORMATION to the GANC to synchronize the state information. If unsuccessful, the MS shall release the related local GA-RRC resources, and continue as per section 9.5.
Reference(s)
3GPP TS 44.318 sub-clause 6.6.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.4.2 Test purpose | To verify that the MS can re-establish the TCP connection after receiving a TCP Reset. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.4.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS in state GA-RRC-CONNECTED (PS domain)
- The MS has the IP address or the FQDN for the serving GANC
Foreseen final state of the MS
The MS will stay in GA-RRC-CONNECTED (PS domain).
Test procedure
The MS starts in GA-RRC-CONNECTED (PS domain).
The SS sends a TCP RST and the MS re-establish the TCP connection and send the GA-RC SYNCHRONISATION INFORMATION message.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS starts in GA-RRC-CONNECTED (PS domain)
2
SS
The SS sends TCP RST
3
MS
The MS re-establish the TCP connection
4
GA-RC SYNCHRONIZATION INFORMATION
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.5 TCP Reset, Unsuccessful Re-establishment, MS in State GA-RRC-IDLE (CS and PS domains) | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.5.1 Conformance requirement | When MS receives TCP RST after TCP connection failure, it shall attempt to re-establish TCP connection once. After successfully re-establishing TCP connection, the MS shall send GA-RC SYNCHRONIZATION INFORMATION to the GANC to synchronize the state information. If unsuccessful, the MS shall release the related local GA-RC or GA-RRC resources, and continue as per section 9.5.
Reference(s)
3GPP TS 44.318 sub-clause 6.6.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.5.2 Test purpose | To verify that the MS can re-establish the TCP connection after receiving a TCP Reset. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.1.5.3 Method of test | Initial conditions
System Simulator:
- 1 GAN cell, default parameter
Mobile Station:
- MS in state GA-RRC-IDLE (CS and PS domains)
- The MS has the IP address or the FQDN for the serving GANC
Foreseen final state of the MS
The MS will change to GA-RC DEREGISTERED.
Test procedure
The MS starts in GA-RRC-IDLE (CS and PS domains).
The SS sends a TCP RST and the MS tries to re-establish the TCP connection. When that fails it start timer TU3905 and tries to register again when the timer expires.
Specific Test Parameters
-
Maximum duration of test
1 min.
Expected sequence
Step
Direction
Message
Comment
MS
SS
1
MS
MS starts in GA-RRC-IDLE (CS and PS domains)
2
SS
The SS sends TCP RST
3
MS
The MS tries to re-establish the TCP connection, the SS doesn’t reply. MS starts timer TU3905
4
MS
Wait for 10 seconds
5
MS
MS sets up secure connection to the SEGW and establishes a TCP connection to the serving GANC using either IP address or FQDN
6
GA-RC REGISTER REQUEST
To serving GANC |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.2 Lower Layer Faults, MS is Registered | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.2.1 IPSec Tunnel Failure, MS in State GA-CSR IDLE | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 81.3.2.1.1 Conformance requirement | The handling of lower layer failures in the MS while in the GA-RC-DEREGISTERED state is described in sub-clauses 5.6.2 and 6.2.4.2.
The handling of lower layer failures in the MS while not in the GA-RC-DEREGISTERED state is described below:
For all lower layer failures in the MS (for example related to DNS, IPsec or TCP failures other than RST) except the TCP connection failure specified in section 6.6, the MS shall:
- release the TCP connection towards the current GANC, if established,
- stop timer TU3906,
- release the secure connection towards SEGW of the current GANC, if established, as defined in sub-clause 4.5,
- start timer TU3905, and
- enter GA-RC-DEREGISTERED state.
Reference(s)
3GPP TS 44.318 sub-clause 9.5. |
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