TWO-WAY QUANTIZE-AND-FORWARD RELAYING WITH STBC

被引:0
|
作者
Legnain, Rajab M. [1 ]
Hafez, Roshdy H. M. [1 ]
Marsland, Ian D. [1 ]
Legnain, Abdelgader M. [2 ]
机构
[1] Carleton Univ, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada
[2] Univ Garyounis, Dept Elect & Elect Engn, Benghazi, Libya
来源
2012 25TH IEEE CANADIAN CONFERENCE ON ELECTRICAL & COMPUTER ENGINEERING (CCECE) | 2012年
关键词
Two-way relay; quantize-and-forward; STBC; MMSE;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
In this paper we propose a new two-way relaying scheme using a quantize-and-forward strategy with space-time block coding (STBC). In this scheme two nodes use STBC to simultaneously transmit their signals to the relay. At the relay these signals are estimated by using minimum mean square error ordered successive interference cancellation and then are quantized to the nearest signal constellation point. The relay linearly combines the quantized signals and broadcasts the combined signal to both nodes using a STBC. The performance of the proposed scheme is evaluated numerically in an uncorrelated flat fading channel and compared to a space division duplex reference scheme. We also investigate the effect of power-splitting on the performance of the scheme.
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页数:5
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