High power User Equipment (UE) (power class 2) for NR inter-band Carrier Aggregation (CA) and Supplementary Uplink (SUL) configurations with x (x>2) bands DL and y (y=1, 2) bands UL
The present document is a technical report for high power UE (power class 2) for NR inter-band Carrier Aggregation or NR-NR DC with and without SUL with x (6≥x>2) bands downlink and y (y=1, 2) bands uplink under Rel-17 time frame. The purpose is to gather the relevant background information and studies in order to address power class 2 NR inter-band CA/DC with and without SUL for more than 2 bands DL and with up to 2 bands UL in Table 1-1.
Table 1-1 Rel-17 power class 2 NR xBDL/yBUL inter-band CA and SUL
NR CA
configuration
Uplink CA
configuration
Power class 2 cases
Release independent from
CA_nV1-nV2-…-nVx
- (Note 1)
CA_nV1-nV2-…-nVx
CA_nVi-nVj (Note 2)
CA_nV1-nV2-…-SUL_nVx-nVx+1
SUL_nVx-nVx+1
Note 1: The UL carrier supports power class 2.
Note 2: The integers i and j satisfy: 1 ≤ i ≤ x, 1 ≤ j ≤ x, i ≠ j.
The allowed maximum output power by each of carrier for power class 2 cases is listed in table 1-2.
Table 1-2 Maximum output power for power class 2 cases
Power class 2 cases for UL CA_nVi-nVj
CA power class
Carrier Vi power class
Carrier Vj power class
Case a
26dBm
23dBm
23dBm
Case b
26dBm
23dBm
26dBm
Case c
26dBm
26dBm
23dBm
Case d
26dBm
26dBm
26dBm
NOTE: The Carrier Vi and Vj are one-by-one corresponding to carriers in UL CA configuration of CA_nVi-nVj.