Optimal power allocation for transmitter selection in MISO Rayleigh fading channels

被引：0
|
作者：
Kumar, V. V. M. Niranjan
Reddy, P. Harinath
Khan, M. Zafar Ali
Srinivas, M. B.
机构：
来源：
2007 IEEE SARNOFF SYMPOSIUM | 2007年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we derive optimal power allocation (PA) in space and time that minimizes BER for transmitter selection in multi-input-single-output (MISO) Rayliegh fading channels assuming perfect channel state informaton (CSI) is available at receiver and transmitter. This power allocation scheme achieves exponential diversity order with a single RF front end and requires feedback of the best channel only. The presented scheme results in 7.5 dB gain over optimal single-input-single-output (SISO) power allocation scheme for 4-QAM modulation at SER of 10(-4).
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页码：278 / 283
页数：6
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