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The DFT spreading OFDM, referred to as DFT-s-OFDM, has been recognized as one of the promising multi-carrier transmission techniques for future wireless communication systems [1, 2]. By appending an extra DFT precoding module prior to the OFDM modulation, DFT-s-OFDM signaling attains a low PAPR [3]. To further increase the spectral efficiency for catering to the unprecedented proliferation of emerging services, a uNOW is proposed in [4], which performs spread and flexible spectral compression jointly.

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Variational Inference-Based Iterative Receiver for Unified Non-orthogonal Waveform (uNOW)

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  • 发表日期：

    2025年

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  • Nan Wu,
  • Yunsi Ma,
  • Rongkun Jiang

摘要

The DFT spreading OFDM, referred to as DFT-s-OFDM, has been recognized as one of the promising multi-carrier transmission techniques for future wireless communication systems [1, 2]. By appending an extra DFT precoding module prior to the OFDM modulation, DFT-s-OFDM signaling attains a low PAPR [3]. To further increase the spectral efficiency for catering to the unprecedented proliferation of emerging services, a uNOW is proposed in [4], which performs spread and flexible spectral compression jointly.