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On Gaussian Approximation Algorithms for SCMA | IEEE Conference Publication | IEEE Xplore

On Gaussian Approximation Algorithms for SCMA


Abstract:

Sparse code multiple access (SCMA) is a promising technique in future fifth generation (5G) wireless networks. Since message passing algorithm (MPA) as a widely-used SCMA...Show More

Abstract:

Sparse code multiple access (SCMA) is a promising technique in future fifth generation (5G) wireless networks. Since message passing algorithm (MPA) as a widely-used SCMA detection algorithm has exponential complexity with codebook size, researching lower complexity algorithms is of significant importance. In this paper, we propose a first-order approximated algorithm based on Gaussian approximation (FO-GAA). Simulation results demonstrate that FO-GAA is an excellent alternative algorithm among simplified detection algorithms with high convergence rate, lowest complexity and good BER performance.
Date of Conference: 27-30 August 2019
Date Added to IEEE Xplore: 21 October 2019
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Conference Location: Oulu, Finland

References

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