CPC H04L 5/0005 (2013.01) [H04J 99/00 (2022.08)] | 21 Claims |
1. A method for wireless communication, comprising:
receiving a multi-layer non-orthogonal multiple access (NOMA) communication, each layer in the multi-layer NOMA communication comprising a circular-shifted pulse waveform modulated with the each layer's direct-sequence code,
wherein the each layer's direct-sequence code filters spectral content of the circular-shifted pulse waveform to produce a NOMA sparsity pattern characterized by a set of active subcarriers that is unique to the each layer;
transforming the multi-layer NOMA communication into a plurality of subcarrier-frequency values; and
performing joint detection of data encoded in the plurality of subcarrier-frequency values, comprising identifying, in the plurality of subcarrier-frequency values, the each layer's NOMA sparsity pattern produced by the each layer's direct-sequence code.
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