DBU-OFDM uses recursive Householder reflections to parameterize a block-unitary transform on data subcarriers, yielding lower PAPR, better frequency-selective fading performance, and improved range-velocity estimation in integrated sensing and communication while retaining comb pilots and hardware-1
Waveform design for MIMO-OFDM integrated sensing and communication system: An information theoretical approach,
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DBU-OFDM: A Trainable Deep Block-Unitary OFDM Waveform for Integrated Sensing and Communication
DBU-OFDM uses recursive Householder reflections to parameterize a block-unitary transform on data subcarriers, yielding lower PAPR, better frequency-selective fading performance, and improved range-velocity estimation in integrated sensing and communication while retaining comb pilots and hardware-1