Techniques for Improving the Finite Length Performance of Sparse Superposition Codes
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DOI: 10.1109/tcomm.2017.2776937
Abstract: Sparse superposition codes are a recent class of codes introduced by Barron and Joseph for efficient communication over the AWGN channel. With an appropriate power allocation, these codes have been shown to be asymptotically capacity-achieving… read more here.
Keywords: sparse superposition; superposition codes; finite length; performance ... See more keywords
Capacity-Achieving Spatially Coupled Sparse Superposition Codes With AMP Decoding
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DOI: 10.1109/tit.2021.3083733
Abstract: Sparse superposition codes, also referred to as sparse regression codes (SPARCs), are a class of codes for efficient communication over the AWGN channel at rates approaching the channel capacity. In a standard SPARC, codewords are… read more here.
Keywords: amp decoding; spatially coupled; sparse superposition; error ... See more keywords