A systematic space-time code design and its maximum-likelihood decoding for combined channel estimation and error correction

Chia Lung Wu*, Mikael Skoglund, Po-Ning Chen, Yunghsiang S. Han

*Corresponding author for this work

研究成果: Conference contribution

摘要

Several previous works have confirmed that a joint design that combines channel estimation, channel coding and space-time transmission can improve the system performanceover that of a separate design. These conclusions are however in general based on unstructured solutions obtained using computer search. The coding gain of these joint designs is thereforelimited by both the computer-searchable "short" code length and the compromise between "suboptimal" performance and "high" complexity of their optimal decoding.At this background, we propose a systematic space-time code construction for joint channel estimation and error correction for a two-transmit-antenna and half-rate system. Also proposed is itsmaximum- likelihood decoder that follows a priority-first search principle. Our systematic code construction, together with a fairly low-complexity optimal decoder, then allows one to work withlonger codes with no sacrifice in performance. For codes of short block length, our simulations illustrate that the codes we propose have comparable performance to the best computer-searchedcodes. For codes of long block lengths that are almost beyond the searchable range of existing computer systems, our codes are still better than some reference designs based on separatechannel estimation and error correction components.

原文English
主出版物標題2009 IEEE International Symposium on Information Theory, ISIT 2009
頁面764-768
頁數5
DOIs
出版狀態Published - 19 十一月 2009
事件2009 IEEE International Symposium on Information Theory, ISIT 2009 - Seoul, Korea, Republic of
持續時間: 28 六月 20093 七月 2009

出版系列

名字IEEE International Symposium on Information Theory - Proceedings
ISSN(列印)2157-8102

Conference

Conference2009 IEEE International Symposium on Information Theory, ISIT 2009
國家Korea, Republic of
城市Seoul
期間28/06/093/07/09

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  • 引用此

    Wu, C. L., Skoglund, M., Chen, P-N., & Han, Y. S. (2009). A systematic space-time code design and its maximum-likelihood decoding for combined channel estimation and error correction. 於 2009 IEEE International Symposium on Information Theory, ISIT 2009 (頁 764-768). [5205641] (IEEE International Symposium on Information Theory - Proceedings). https://doi.org/10.1109/ISIT.2009.5205641