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Tradeoff of channel coding and repetition-code spreading in IDMA systems

  • Yang Yan*
  • , Shidong Zhou
  • , Limin Xiao
  • , Xin Su
  • , Jing Wang
  • , Xibin Xu
  • *此作品的通讯作者
  • Tsinghua University

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

This paper presents a novel tradeoff of channel coding and repetition-code spreading in IDMA systems which is generalized from traditional DS-CDMA systems. With the help of separation result of coding and spreading given by Veeravalli, we solve the coding-spreading tradeoff problem in the way of concatenating channel coding followed by spreading. In particular, we take two kinds of channel coding, i.e. feed-forward convolutional code and turbo code into consideration in this tradeoff problem. A low-complexity soft rake serial interference cancellation-aided turbo-type multiuser detection is utilized over AWGN channels. Theoretical analysis and Monte Carlo simulations both reveal that under a preset bandwidth expansion, the tradeoff problem favours channel coding over repetition-code spreading in enhancing the system spectral efficiency.

源语言英语
主期刊名IET International Communication Conference on Wireless Mobile and Computing, CCWMC 2009
页496-499
页数4
版本562 CP
DOI
出版状态已出版 - 2009
已对外发布是
活动IET International Communication Conference on Wireless Mobile and Computing, CCWMC 2009 - Shanghai, 中国
期限: 7 12月 2009 → 9 12月 2009

丛书

姓名IET Conference Publications
编号562 CP
卷2009

会议

会议IET International Communication Conference on Wireless Mobile and Computing, CCWMC 2009
国家/地区中国
市Shanghai
时期7/12/09 → 9/12/09

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