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On remaining aspects of waveform for 6GR
Nokia's R1-2600027 presents 18 proposals and 15 observations on 6G waveform, arguing for 5G NR CP-OFDM/DFT-s-OFDM as baseline with targeted enhancements while strongly deprioritizing DL DFT-s-OFDM and Zak-OTFS studies due to technical limitations and complexity concerns.
Nokia proposes CP-OFDM and DFT-s-OFDM as defined in 5G NR as the supported baseline communication waveforms for 6G downlink and uplink respectively, with CP-OFDM for all layers and DFT-s-OFDM restricted to single-layer UL. They present a…
Waveform for 6GR air interface
This contribution from Huawei proposes and evaluates several waveform and modulation enhancements for 6G, including I/Q-offset DFT-s-OFDM, Pruning QAM, UL multi-layer DFT-s-OFDM, and DL DFT-s-OFDM for signals in BS LP-mode. The document contains 20 Observations and 12 Proposals.
Huawei proposes I/Q-offset DFT-s-OFDM as a generalization of prior low PAPR proposals (including Pi/2 BPSK Truncation and O-QAM modulated DFT-s-OFDM) and supports it as a lower PAPR waveform candidate for RAN4 evaluation. They request RAN1…