A low complexity SCMA detector based on stochastic computation

Kaining Han, Jianhao Hu, Jienan Chen, Gerald E. Sobelman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

Sparse Code Multiple Access (SCMA) is a promising multiple access technology candidate for 5G wireless communication systems. The high detection complexity is its bottleneck. Stochastic computation is an ultra-low complexity digital signal processing technique in which probabilities are represented and processed with streams of random bits. In this paper, we propose a novel low complexity stochastic iterative detection approach for SCMA detection based on stochastic computation. We refer it as stochastic SCMA detector. Analysis and simulation results show that the proposed stochastic SCMA detector has only 36% hardware complexity compared to previous state-of-the-art soft input soft output (SISO) SCMA detector with satisfied BER performance.

Original languageEnglish (US)
Title of host publication2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages783-786
Number of pages4
ISBN (Electronic)9781509063895
DOIs
StatePublished - Sep 27 2017
Event60th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2017 - Boston, United States
Duration: Aug 6 2017Aug 9 2017

Publication series

NameMidwest Symposium on Circuits and Systems
Volume2017-August
ISSN (Print)1548-3746

Other

Other60th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2017
CountryUnited States
CityBoston
Period8/6/178/9/17

Keywords

  • 5G
  • Sparse Code Multiple Access
  • Stochastic Computation

Fingerprint Dive into the research topics of 'A low complexity SCMA detector based on stochastic computation'. Together they form a unique fingerprint.

  • Cite this

    Han, K., Hu, J., Chen, J., & Sobelman, G. E. (2017). A low complexity SCMA detector based on stochastic computation. In 2017 IEEE 60th International Midwest Symposium on Circuits and Systems, MWSCAS 2017 (pp. 783-786). [8053040] (Midwest Symposium on Circuits and Systems; Vol. 2017-August). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MWSCAS.2017.8053040