A promising set of spreading sequences to mitigate MAI effects in MIMO STS systems

Anh Tuyen Le, Le Chung Tran, Prashan Premaratne, David Stirling, Beata Wysocki, Tad Wysocki, Peter James Vial

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

Abstract

Multiple input, Multiple output space time spreading (MIMO STS) system is a scheme which can provide full diversity gain without extra resource requirements. However, its performance degrades significantly when multiple access interference (MAI) occurs. In order to mitigate MAI effects, we propose a criterion to build a promising set of combination of spreading sequences for users. Simulation results show that the average BER performance of users using this promising set is about thirty percent lower than that of users using another set in case of 64 chip length Walsh-Hadamard code.

Original languageEnglish (US)
Title of host publication2015, 9th International Conference on Signal Processing and Communication Systems, ICSPCS 2015 - Proceedings
EditorsBeata J. Wysocki, Tadeusz A. Wysocki
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467381185
DOIs
StatePublished - 2015
Event9th International Conference on Signal Processing and Communication Systems, ICSPCS 2015 - Cairns, Australia
Duration: Dec 14 2015Dec 16 2015

Publication series

Name2015, 9th International Conference on Signal Processing and Communication Systems, ICSPCS 2015 - Proceedings

Other

Other9th International Conference on Signal Processing and Communication Systems, ICSPCS 2015
Country/TerritoryAustralia
CityCairns
Period12/14/1512/16/15

Keywords

  • MAI-mitigation
  • MIMO
  • STS
  • spreading

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing

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