Superimposed channel training algorithm for time-varying MIMO relay systems

Chiong, Choo W. R., Rong, Yue and Xiang, Yong 2015, Superimposed channel training algorithm for time-varying MIMO relay systems, in WOCC 2015: Proceedings of the Wireless and Optical Communication 2015 Conference, IEEE, Piscataway, N.J., pp. 24-28, doi: 10.1109/WOCC.2015.7346109.

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Title Superimposed channel training algorithm for time-varying MIMO relay systems
Author(s) Chiong, Choo W. R.
Rong, Yue
Xiang, YongORCID iD for Xiang, Yong
Conference name Wireless and Optical Communication. Conference (24th : 2015 : Taipei, Taiwan)
Conference location Taipei, Taiwan
Conference dates 23-24 Oct. 2015
Title of proceedings WOCC 2015: Proceedings of the Wireless and Optical Communication 2015 Conference
Editor(s) [Unknown]
Publication date 2015
Conference series Wireless and Optical Communication Conference
Start page 24
End page 28
Total pages 5
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) channel estimation
superimposed training
MIMO relay
two-way relay
Science & Technology
Physical Sciences
Computer Science, Hardware & Architecture
Computer Science
time-varying channel
Summary Two-way relaying systems are known to be capable of providing higher spectral efficiency compared with one-way relaying systems. However, the channel estimation problem for two-way relaying systems becomes more complicated. In this paper, we propose a superimposed channel training scheme for two-way MIMO relay communication systems, where the individ-ual channel information for users-relay and relay-users links are estimated. The optimal structure of the source and relay training sequences are derived when the mean-squared error (MSE) of channel estimation is minimized. We also optimize the power allocation between the source and relay training sequences to improve the performance of the algorithm. Numerical examples are shown to demonstrate the performance of the proposed channel training algorithm.
ISBN 9781479988495
Language eng
DOI 10.1109/WOCC.2015.7346109
Field of Research 090609 Signal Processing
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, IEEE
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Document type: Conference Paper
Collection: School of Information Technology
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