Electronic Meeting Agenda: UE PC2 for NR Inter-Band CA and SUL Configurations

 
WF on UE PC2 for NR inter-band
CA and SUL configurations
 
China Telecom
 
R4-2011xxx
 
3GPP TSG-RAN WG4 Meeting # 96-e
Electronic Meeting, 17-28 Aug., 2020
Agenda: 10.16
 
Background
 
Contributions submitted to RAN4#96-e
:
-
R4-2011561, Email discussion summary for [96e][128] NR_SAR_PC2_interB_SUL_2BUL
-
R4-2010266, Revised WID: SAR schemes for UE power class 2 (PC2) for NR inter-band Carrier
Aggregation and supplemental uplink (SUL) configurations with 2 bands UL, China Telecom
-
R4-2010267, New basket WID: Band combination specific requirements for UE power class 2
(PC2) for NR inter-band Carrier Aggregation with 2 bands downlink and 2 bands uplink, China
Telecom
-
R4-2010268, Discussion on RAN procedure rules for UE power class 2 (PC2) WID, China
Telecom
-
R4-2010269, Work plan for SAR schemes for UE power class 2 NR inter-band CA and SUL with
2UL, China Telecom
-
R4-2010270, Discussion on SAR schemes for UE power class 2 NR inter-band CA with 2UL,
China Telecom
-
R4-2010634, Discussion on PC2 inter-band NR CA, ZTE
-
R4-2009796, Discussion on SAR solution for interband PC2 2UL CA, CATT
-
R4-2010546, Discussion on the SUL band combination PC2 SAR compliance, Huawei, HiSilicon
-
R4-2010773, Discussion on SUL HPUE SAR, OPPO
-
R4-2009797, Discussion on SAR solution for SUL PC2, CATT
 
 
Options for SAR schemes for PC2 NR inter-
band CA and SUL configurations
 
Duty cycle based solutions
-
Option 1: Report one total UL duty cycle capability
-
Option 2: Report the duty cycle capabilities per band
UE implementation based solution, i.e. P-MPR
-
If the UE does not support any of the duty cycle based solutions, then the UE-
based solution (P-MPR) is applied
Other options are not precluded
 
Identified Issues for further discussion
 
Whether and how to distinguish the power class 2 scenarios (23+23, 23+26,
etc….)
Whether and how to decide the reference carrier configurations for Duty
cycle based solution option 2
Whether and how to handle the uncertain interpretation for duty cycle
capability in both power and time domain for Duty cycle based solution
(see R4-2010349)
-
E.g. Is UE duty cycle capability applicable only for UE working in maximum power or
maximum duty cycle, or other none maximum cases? If applicable for all the cases,
then how to measure and evaluate the actual duty and power?
Release independency issue needs to be decided in next meeting
 
WI split
 
RAN4 has discussed the following WI split issues with no conclusion
-
Split the CA&SUL PC2 WI RP-201337 into two WIs as SAR WI and basket WI.
-
Example combos for CA that will be kept in the revised SAR WI
-
More PC2 power class cases (23+23, 23+26, 26+23, 26+26) for TDD+TDD CA
will be updated in the revised SAR WI
The discussion will continue in RAN plenary
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The document relates to the upcoming electronic meeting of 3GPP TSG-RAN WG4, focusing on UE power class 2 for NR inter-band Carrier Aggregation and supplemental uplink configurations. It includes background contributions, identified issues, and options for SAR schemes addressing duty cycle based solutions, distinct scenarios for power class 2, reference carrier configurations, and release independence concerns.

  • Electronic Meeting
  • 3GPP
  • TSG-RAN
  • Carrier Aggregation
  • SAR Schemes

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  1. R4-2011xxx 3GPP TSG-RAN WG4 Meeting # 96-e Electronic Meeting, 17-28 Aug., 2020 Agenda: 10.16 WF on UE PC2 for NR inter-band CA and SUL configurations China Telecom

  2. Background Contributions submitted to RAN4#96-e: - R4-2011561, Email discussion summary for [96e][128] NR_SAR_PC2_interB_SUL_2BUL - R4-2010266, Revised WID: SAR schemes for UE power class 2 (PC2) for NR inter-band Carrier Aggregation and supplemental uplink (SUL) configurations with 2 bands UL, China Telecom - R4-2010267, New basket WID: Band combination specific requirements for UE power class 2 (PC2) for NR inter-band Carrier Aggregation with 2 bands downlink and 2 bands uplink, China Telecom - R4-2010268, Discussion on RAN procedure rules for UE power class 2 (PC2) WID, China Telecom - R4-2010269, Work plan for SAR schemes for UE power class 2 NR inter-band CA and SUL with 2UL, China Telecom - R4-2010270, Discussion on SAR schemes for UE power class 2 NR inter-band CA with 2UL, China Telecom - R4-2010634, Discussion on PC2 inter-band NR CA, ZTE - R4-2009796, Discussion on SAR solution for interband PC2 2UL CA, CATT - R4-2010546, Discussion on the SUL band combination PC2 SAR compliance, Huawei, HiSilicon - R4-2010773, Discussion on SUL HPUE SAR, OPPO - R4-2009797, Discussion on SAR solution for SUL PC2, CATT

  3. Options for SAR schemes for PC2 NR inter- band CA and SUL configurations Duty cycle based solutions - Option 1: Report one total UL duty cycle capability - Option 2: Report the duty cycle capabilities per band UE implementation based solution, i.e. P-MPR - If the UE does not support any of the duty cycle based solutions, then the UE- based solution (P-MPR) is applied Other options are not precluded

  4. Identified Issues for further discussion Whether and how to distinguish the power class 2 scenarios (23+23, 23+26, etc .) Whether and how to decide the reference carrier configurations for Duty cycle based solution option 2 Whether and how to handle the uncertain interpretation for duty cycle capability in both power and time domain for Duty cycle based solution (see R4-2010349) - E.g. Is UE duty cycle capability applicable only for UE working in maximum power or maximum duty cycle, or other none maximum cases? If applicable for all the cases, then how to measure and evaluate the actual duty and power? Release independency issue needs to be decided in next meeting

  5. WI split RAN4 has discussed the following WI split issues with no conclusion - Split the CA&SUL PC2 WI RP-201337 into two WIs as SAR WI and basket WI. - Example combos for CA that will be kept in the revised SAR WI - More PC2 power class cases (23+23, 23+26, 26+23, 26+26) for TDD+TDD CA will be updated in the revised SAR WI The discussion will continue in RAN plenary

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