Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems
Name:
Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems (IEEE JSAC).pdf
Size:
2.379Mb
Format:
PDF
Description:
Post-Print version
Type
ArticleKAUST Department
Communication Theory LabComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Physical Science and Engineering (PSE) Division
Date
2012-08-23Preprint Posting Date
2011-09-05Online Publication Date
2012-08-23Print Publication Date
2012-09Permanent link to this record
http://hdl.handle.net/10754/251676
Metadata
Show full item recordAbstract
In this paper, robust transceiver design with Tomlinson-Harashima precoding (THP) for multi-hop amplifyand-forward (AF) multiple-input multiple-output (MIMO) relaying systems is investigated. At source node, THP is adopted to mitigate the spatial intersymbol interference. However, due to its nonlinear nature, THP is very sensitive to channel estimationerrors. In order to reduce the effects of channel estimation errors, a joint Bayesian robust design of THP at source, linear forwarding matrices at relays and linear equalizer at destination is proposed. With novel applications of elegant characteristics of multiplicative convexity and matrix-monotone functions, the optimal structure of the nonlinear transceiver is first derived. Based on the derived structure, the transceiver design problem reduces to a much simpler one with only scalar variables which can be efficiently solved. Finally, the performance advantage of the proposed robust design over non-robust design is demonstrated by simulation results.Citation
Xing C, Xia M, Gao F, Wu Y-C (2012) Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems. IEEE Journal on Selected Areas in Communications 30: 1370-1382. doi:10.1109/JSAC.2012.120907.arXiv
1109.0847Additional Links
http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6280244http://arxiv.org/abs/1109.0847
ae974a485f413a2113503eed53cd6c53
10.1109/JSAC.2012.120907