Multiuser detection algorithm for CDMA based on the belief propagation algorithm

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Optimum detection for the multiuser code-division multiple-access channel is prohibitively complex. This paper considers new iterative multiuser detection algorithm based on the belief propagation algorithm. Previously, the idea to apply the belief propagation algorithm to multiuser detection problem was suggested , however, it was believed that to apply the belief propagation algorithm to the detection problem is impossible because it requires an exponentially large amount of computation. It was the only fact that the parallel interference canceller is derived as an approximation of the belief propagation. In this paper, we show that the belief propagation algorithm can be applied to the detection problem by converting the factor graph structure. Performance of the detector based on the belief propagation algorithm is better than that of the parallel interference canceller.

本文言語English
ホスト出版物のタイトル2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications - Proceedings, ISSSTA2008
ページ194-199
ページ数6
DOI
出版ステータスPublished - 2008 12 25
イベント2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2008 - Bologna, Italy
継続期間: 2008 8 252008 8 28

出版物シリーズ

名前IEEE International Symposium on Spread Spectrum Techniques and Applications

Conference

Conference2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2008
国/地域Italy
CityBologna
Period08/8/2508/8/28

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 応用数学

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