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Volume 31 Issue 3
Dec.  2010
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Xu Xin, Cai Yue-ming, Song Zhi-qun. A Subcarrier Grouping Approach and Detection for MIMO-OFDM Systems with GFDFR Space-Frequency Coding[J]. Journal of Electronics & Information Technology, 2009, 31(3): 684-688. doi: 10.3724/SP.J.1146.2007.00201
Citation: Xu Xin, Cai Yue-ming, Song Zhi-qun. A Subcarrier Grouping Approach and Detection for MIMO-OFDM Systems with GFDFR Space-Frequency Coding[J]. Journal of Electronics & Information Technology, 2009, 31(3): 684-688. doi: 10.3724/SP.J.1146.2007.00201

A Subcarrier Grouping Approach and Detection for MIMO-OFDM Systems with GFDFR Space-Frequency Coding

doi: 10.3724/SP.J.1146.2007.00201 cstr: 32379.14.SP.J.1146.2007.00201
  • Received Date: 2007-02-01
  • Rev Recd Date: 2008-12-22
  • Publish Date: 2009-03-19
  • In this paper, a subcarrier grouping approach for Group-wise Full-Diversity Full-Rate (GFDFR) coded MIMO-OFDM systems with virtual and DC subcarriers is proposed. A PDA-SD hard detection algorithm and a neighbor searching soft detection algorithm, which all have low complexities, are presented to decode the GFDFR code. A one-dimensional neighbor searching detection algorithm, which is based on the hard detection algorithm and can effectively reduces the detection complexity, is proposed. Simulation results show that the subcarrier grouping approach is robust and insensitive to the numbers of virtual and DC subcarriers and all the detection algorithms have better bit-error rate performance.
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  • Hassibi B and Hochwald B M. High-rate codes that are linearin space and time[J].IEEE Trans. on Information Theory.2002,48(6):1804-1824[2]Ma Xiaoli and Giannakis G B. Full-diversity full-ratecomplex-field space-time coding[J].IEEE Trans. on SignalProcessing.2003, 51(11):2917-2930[3]Suthaharan S and Nallanathan A, et al.. Space-time codedMIMO-OFDM for high capacity and high data-rate wirelesscommunication over frequency selective fading channels.Mobile and Wireless Communications Network, 4thInternational Workshop, 9-11 Sept. 2002: 424-428.[4]米楠, 罗汉文, 张红伟, 朱玲燕. MIMO 系统中的分组全分集全码率空时编码. 信息技术, 2006, (1): 5-9.[5]Butler Michael R G and Collings Iain B. A zero-forcingapproximate log-likelihood receiver for MIMO bit-interleavedcoded modulation[J].IEEE Communications Letters.2004, 8(2):105-107[6]Latsoudas G and Sidiropoulos N D. A hybrid probabilisticdata association-sphere decoding detector for Multiple-InputMultiple-Output systems[J].IEEE Signal Processing Letters.2005, 12(4):309-312[7]Wang Renqiu and Giannakis G B. Approaching MIMOchannel capacity with soft detection based on hard spheredecoding[J].IEEE Trans. on Communications.2006, 54(4):587-590[8]Ma Xiaoli and Giannakis G B. Complex field coded MIMOsystems: performance, rate, and tradeoffs. WirelessCommunications on Mobile Computing, 2002, (11): 693-717.
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