A Double K-best Viterbi-sphere Decoder for Trellis-coded Generalized Spatial Modulation with Multiple Code Rates

Zhe Yu Wang, Pei Yun Tsai, Yuan Hao Huang, I. Wei Lai

研究成果: 書貢獻/報告類型會議論文篇章

摘要

The trellis-coded generalized spatial modulation (TCGSM) system with multiple code rates is investigated so as to provide configurability and to enhance efficiency in different fading channels. Various high-radix stages are then adopted to support the optimal sequence detection for different configurations. A double K-best technique is then proposed to strike a good balance between performance and complexity of Viterbi-sphere decoding. From the analysis and simulation results, 29%-69% complexity can be saved with about 1dB performance degradation for the code rate of 4/5 in the spatial domain with QPSK and 16-QAM constellations. The first K-best selection for generating branch metrics from sphere decoding can reduce the detection complexity of the constellation while the second K- best selection can be considered if a high-radix trellis is used when the number of transmit antennas is large.

原文英語
主出版物標題2019 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1547-1551
頁數5
ISBN(電子)9781479981311
DOIs
出版狀態已發佈 - 2019 5月
事件44th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019 - Brighton, 英国
持續時間: 2019 5月 122019 5月 17

出版系列

名字ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
2019-May
ISSN(列印)1520-6149

會議

會議44th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019
國家/地區英国
城市Brighton
期間2019/05/122019/05/17

ASJC Scopus subject areas

  • 軟體
  • 訊號處理
  • 電氣與電子工程

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