2021
DOI: 10.48550/arxiv.2103.11873
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Rate-Diverse Gaussian Multiple Access: Efficient Encoder and Decoder Designs

Pingping Chen,
Long Shi,
Yi Fang
et al.

Abstract: In this work, we develop a pair of rate-diverse encoder and decoder for a two-user Gaussian multiple access channel (GMAC). The proposed scheme enables the users to transmit with the same codeword length but different coding rates under diverse user channel conditions. First, we propose the row-combining (RC) method and row-extending (RE) method to design practical low-density parity-check (LDPC) channel codes for rate-diverse GMAC. Second, we develop an iterative rate-diverse joint user messages decoding (RDJ… Show more

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References 33 publications
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