TIME-REVERSAL SPACE-TIME CODES IN ASYNCHRONOUS TWO-WAY DOUBLE-ANTENNA RELAY NETWORKS
Refereed conference paper presented and published in conference proceedings

香港中文大學研究人員

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摘要We consider an asynchronous two-way relay network, in which two double-antenna relays assist in the communication between two single-antenna terminals through analog network coding. The asynchronous transmission between relays and terminals causes symbol misalignments and results in diversity loss in space-time block code (STBC). We propose a zero-padded time-reversal quasi-orthogonal STBC that can achieve full diversity with low-complexity maximum likelihood (ML) decoding, given a bounded delay. With ML decoding, the proposed code is decomposed into several independent parts, which leads to single complex symbol decoding. Proof of full diversity is established, and the decoding complexity order is analyzed for the proposed design. Simulations confirm the full diversity gain. The bit error rate performance in asynchronous scenarios is almost the same as that in synchronous scenarios.
著者Liu Y, Zhang W, Ching PC
會議名稱40th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
會議開始日19.04.2014
會議完結日24.04.2014
會議地點Brisbane
會議國家/地區澳大利亞
詳細描述IEEE Signal Processing Society
出版年份2015
月份1
日期1
出版社IEEE
頁次3118 - 3122
電子國際標準書號978-1-4673-6997-8
國際標準期刊號1520-6149
語言英式英語
關鍵詞analog network coding; Asynchronous; full diversity; maximum likelihood decoding; space-time code; two-way relay network
Web of Science 學科類別Acoustics; Engineering; Engineering, Electrical & Electronic

上次更新時間 2020-24-10 於 01:27