NR-U PUCCH Demodulation Requirements and Test Configurations Overview
Explore the detailed agenda and document for approval regarding NR-U PUCCH demodulation requirements, including test configurations and performance metrics. Ericsson's contributions and the discussion on Way Forward are highlighted in the meeting. Detailed parameters for PUCCH formats 0 and 1 are also outlined, providing insights into the antenna configurations, bandwidth requirements, and propagation conditions.
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Presentation Transcript
3GPP TSG-RAN WG4 Meeting #98-e Electronic Meeting, Jan. 25th Feb. 5th, 2021 Agenda: 7.1.7.4.3 R4-2103807 Document for: Approval Way Forward on NR-U PUCCH demodulation requirements Ericsson
Background R4-2012542, Email discussion summary for [96e][328] NR_unlic_Demod R4-2012611, Way Forward on NR-U BS demodulation requirements, Ericsson R4-2017467, Way Forward on NR-U PUCCH demodulation requirements, Ericsson
General test configurations PUCCH formats Define the performance requirements for Rel-16 PF 0/1/2/3 with interlace resource allocation Number of interlaces 1 interlace for PF 0/1/2/3 Antenna configuration 1Tx2Rx Bandwidth Define the NR-U PUCCH requirements with 20MHz bandwidth Frequency hopping Not configure frequency hopping SCS 15 kHz and 30 kHz Propagation conditions Option 1: TDLA30-10 Option 2: TDLC300-100
PUCCH format 0 Parameter Test 1 1 N/A neither 0 0 13 1T2R 20MHz Number of symbols Only test 1 OFDM symbol for PF0 Test metric only Rel-15 test metric SNR@Prob(ACK missed) 10-2 SNR@Prob(DTX- >ACK) 10-2 Number of UCI information bits Number of symbol Intra-slot frequency hopping Group and sequence hopping Hopping ID Initial cyclic shift First symbol Antenna configuration Channel bandwidth SCS Number of interlaces Interlace index 15kHz and 30kHz 1 0 Note1 Option 1: TDLC300-100 low Option 2: TDLA30-10 Propagation conditions SNR@Prob(ACK missed) 10-2 SNR@Prob(DTX->ACK) 10-2 Test metric Note 1: RBs 0, 10, 20, ,100 are allocated for 15kHz if agreed and RBs 0,5,10, ,50 are allocated for 30kHz.
PUCCH format 1 Parameter Test 2 14 N/A neither 0 0 0 Number of information bits Number of symbols Intra-slot frequency hopping Group and sequence hopping Hopping ID Initial cyclic shift First symbol Index of orthogonal cover code (timeDomainOCC) Antenna configuration Channel bandwidth SCS Number of interlaces Interlace index Test metric only Rel-15 test metric SNR@Prob(ACK miss) 10^( 2) SNR @Prob(PUCCH DTX Ack bits) 10^( 2) SNR@Prob(NACK ACK) 10^( 3) 0 1T2R 20MHz 15kHz and 30kHz 1 0Note1 Option 1: TDLC300-100 low Option 2: TDLA30-10 SNR@Prob(ACK miss) 10^( 2) SNR @Prob(PUCCH DTX Ackbits) 10^( 2) SNR@Prob(NACK ACK) 10^( 3) Propagation conditions Test metric Note 1: RBs 0, 10, 20, ,100 are allocated for 15kHz if agreed and RBs 0,5,10, ,50 are allocated for 30kHz.
PUCCH format 2 Parameter Modulation order Intra-slot frequency hopping Number of symbols Value QSPK N/A 1 22 bits Number of interlaces One interlace Number of OFDM symbols One OFDM symbol Information bits 22 bits OCC configuration Option 1: Not configure Option 2: OCC length n2 The number of UCI information bits 13 First symbol NID0=0 1T2R 20MHz DM-RS sequence generation Antenna configuration Channel bandwidth SCS Number of interlaces Interlace index 15kHz and 30kHz 1 0Note 1 Option 1: TDLC300-100 low Option 2: TDLA30-10 Option 1: Not configured Option 2: n2 SNR @ Prob UCI block BLER = 10 2 Propagation conditions OCC-Length-r16 Test metric Note 1: RBs 0, 10, 20, ,100 are allocated for 15kHz and RBs 0,5,10, ,50 are allocated for 30kHz.
Parameter Modulation order Intra-slot frequency hopping Group and sequence hopping Hopping ID Additional DM-RS configuration Test 1 QPSK N/A neither 0 PUCCH format 3 Number of interlaces One interlace information bits Option 1: 4 bits and 16 bits Option 2: 16 bits Option 3: 42 bits Option 4: 4bits Number of OFDM symbols Option 1: 4 Option 2: 4 and 14 (4 information bits with 14 OFDM symbols, 16 information bits with 4 and 14OFDM symbols) OCC length Option 1: OCC length n2 and OCC index n0 Option 2: Not configure No additional DM-RS Option 1: 4 Option 2: 4 and 14 (4 information bits with 14 OFDM symbols, 16 information bits with 4 and 14OFDM symbols) Option 1: 4 bits and 16 bits Option 2: 16 bits Option 3: 42 bits Option 4: 4bits 20MHz 15kHz and 30kHz 1T2R 1 0Note 1 Option 1: TDLC300-100 low Option 2: TDLA30-10 N0 or Not configure Option 1: n2 Option 2: Not configure 0 SNR @ UCI block BLER = 10 2 Number of symbols The number of UCI information bits Channel bandwidth SCS Antenna configuration Number of interlaces Interlace index Propagation conditions Index of OCC Length of OCC Cyclic shift index for DMRS Test metric Note 1: RBs 0, 10, 20, ,90 are allocated for 15kHz and RBs 0,5,10, ,45 are allocated for 30kHz. Note 2: The UCI information does not contain CSI part 2.
