Utilizing partial channel information in the design of space-time block codes

被引：0
|
作者：
Jöngren, G [1 ]
Skoglund, M [1 ]
Ottersten, B [1 ]
机构：
[1] Royal Inst Technol, Dept Signals Sensors & Syst, SE-10044 Stockholm, Sweden
来源：
5TH INTERNATIONAL SYMPOSIUM ON WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS, VOLS 1-3, PROCEEDINGS | 2002年
关键词：
beamforming; feedback; quantization; space-time codes;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The assumption of no channel knowledge at the transmitter is inherent in the design of classical space-time codes for wireless communication. This work, on the other hand, assumes that non-perfect quantized channel information obtained from a feedback link is available at the transmitter and investigates how such channel knowledge can be incorporated into the design of space-time block codes. Efficient codes are found by means of a gradient search over a continuous alphabet. Simulation results for a Rayleigh fading scenario a system using two transmit antennas and one receive antenna show that significant gains are possible.
引用
收藏
页码：681 / 685
页数：5
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