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Maximum mutual information design for amplify-and-forward multi-hop MIMO relaying systems under channel uncertainties
Xing C.2; Fei Z.2; Ma S.3; Kuang J.2; Wu Y.-C.1
2012-08-01
Conference NameIEEE Wireless Communications and Networking Conference (WCNC)
Source PublicationIEEE Wireless Communications and Networking Conference, WCNC
Pages781-786
Conference DateAPR 01-04, 2012
Conference PlaceParis, FRANCE
Abstract

In this paper, we investigate maximum mutual information design for multi-hop amplify-and-forward (AF) multiple-input multiple-out (MIMO) relaying systems with imperfect channel state information, i.e., Gaussian distributed channel estimation errors. The robust design is formulated as a matrix-variate optimization problem. Exploiting the elegant properties of Majorization theory and matrix-variate functions, the optimal structures of the forwarding matrices at the relays and precoding matrix at the source are derived. Based on the derived structures, a water-filling solution is proposed to solve the remaining unknown variables. © 2012 IEEE.

DOI10.1109/WCNC.2012.6214477
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Telecommunications ; Engineering
WOS SubjectComputer Science, Hardware & Architecture ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000324580700146
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Citation statistics
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.The University of Hong Kong
2.Beijing Institute of Technology
3.Universidade de Macau
Recommended Citation
GB/T 7714
Xing C.,Fei Z.,Ma S.,et al. Maximum mutual information design for amplify-and-forward multi-hop MIMO relaying systems under channel uncertainties[C],2012:781-786.
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