Discussion on MPR/A-MPR Requirements for PSSCH/PSCCH Transmission in NR V2X UE
"Explore the meeting discussions regarding MPR and A-MPR requirements for PSSCH and PSCCH transmission in NR V2X UE, covering options for modulation techniques and channel bandwidth considerations. Delve into specifications for power reduction, resource block allocations, and carrier frequency regulations in ETSI and FCC guidelines."
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Presentation Transcript
3GPP TSG-RAN WG4#94-e-Bis Meeting R4-2005223 Electronic Meeting, 20 30 April, 2020 WF on MPR/A-MPR requirements for PSSCH/PSCCH transmission LG Electronics, ...
Background In this meeting, RAN4 discuss the MPR/A-MPR requirements for PSSCH/PSCCH for NR V2X UE as follow. Issue 1-1-1: MPR for PSSCH/PSCCH transmission Candidate options Option 1: Define MPR requirements to reuse inner\outer method according to modulation order Option 2: Define MPR requirements to reuse inner\outer method according to CBW & SCS Recommended WF RAN4 need further discuss based on the WF on MPR/A-MPR requirements for PSSCH/PSCCH transmission at 2nd round.
WF1 on MPR for PC3 NR V2X UE at n47 Option1. Maximum power reduction (MPR) for power class 3 NR V2X UE MPR (dB) Outer RB allocations [ 4.5] [ 4.5] Inner RB allocations [ 2.0] [ 2.0] Modulation QPSK 16 QAM 64 QAM 256 QAM CP-OFDM [ 4.5] [ 7.0] Option2. Maximum power reduction (MPR) for power class 3 NR V2X UE MPR (dB) SCS = 15 kHz Inner MPR (dB) SCS = 30 kHz Inner MPR (dB) SCS = 60 kHz Inner Channel BW (MHz) 10 20 30, 40 Note 1: MPR is the maximum of the value in this table and the values in Table 6.2.2- 1 Outer Outer Outer 1.5 2 2.5 na 1.5 2 na na 1.5 4.8 4.8 4.8 Conclusion: MPR of option1 will be covered the option2 MPR requirements. So Option1 will be specified for MPR requirements for PSSCH/PSCCH of NR V2X
WF2-1 on A-MPR for PC3 NR V2X UE at n47 For ETSI regulation at 10MHz with NS_33 At Fc=5860 Carrier frequency(MHz) A-MPR (dB) Start Resource Block Resources Blocks (NRB) QPSK/16QA M 64QAM 256QAM FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS FFS 5860 FFS FFS FFS FFS FFS FFS FFS 5860 FFS FFS FFS 5860
WF2-2 on A-MPR for PC3 NR V2X UE at n47 For ETSI regulation at 10MHz with NS_33 At Fc=5870, 5880, 5890, 5900, 5910,5920 Carrier RB QPSK 16QAM 64QAM 256QAM frequency(MHz) allocations Inner FFS 5870, 5880, 5890, 5900, 5910, 5920 FFS FFS Outer FFS
WF2-3 on A-MPR for PC3 NR V2X UE at n47 For FCC regulation at 40MHz with NS_48 RAN4 need further discussion how to specify the A-MPR requirements at 40MHz to comply FCC regulations based on the merged A-MPR requirements from interested companies
WF2-4 on NS_signaling according to diff. power class In LTE, RAN4 specified the A-MPR requirements for NS_33 and NS_34 according to PC3 and PC2 respectively. But, there was no cases with different NS signaling in specification based on UE the Power class. This issue will be addressed when RAN4 study the A-MPR requirements for PC2 NR V2X UE at n47
References TDoc Title Source Type Agenda item # R4-2003239TP on NR V2X A-MPR (NS_33) and updated simulation results MPR for NR V2X PSSCH PSCCH transmission all channel bandwidths TP LG Electronics Inc. pCR 6.4.4.1 1 Qualcomm Incorporated pCR 6.4.4.1 2 R4-2003433 R4-2003436A-MPR for 40MHz V2X PSSCH PSCCH transmission TP R4-2003438A-MPR for 10MHz V2X PSSCH PSCCH transmission TP Updated CR on introducing RF requirements for 5G V2X service in TS38.101-1 in rel-16 Qualcomm Incorporated pCR 6.4.4.1 3 Qualcomm Incorporated pCR 6.4.4.1 4 LG Electronics France draftCR 6.4.4 5 R4-2003840 MPR simulation results and discussion for PC3 PSSCH\PSCCH NR V2X in band n47 Huawei, HiSilicon other 6.4.4.1 6 R4-2004198 AMPR simulation results and discussion for PC3 PSSCH\PSCCH NR V2X in band n47 Huawei, HiSilicon other 6.4.4.1 7 R4-2004199 TP for TR38.886 to update MPR\AMPR requirements for both PC3 and PC2 NR V2X in band n47 Huawei, HiSilicon pCR 6.4.4.1 8 R4-2004205 DraftCR for 38.101-1 to specify MPR\AMPR requirements for PC3 NR V2X in band n47 Huawei, HiSilicon draftCR 6.4.4.1 9 R4-2004206
