An adaptive modulation scheme with switched diversity for Rayleigh fading channels

被引：0
|
作者：
Park, Jinkyu [1 ]
Lim, Chang Heon [1 ]
机构：
[1] Pukyong Natl Univ, Dept Elect Engn, 599-1 Daeyeon-Dong, Pusan 608737, South Korea
来源：
2006 ASIA-PACIFIC CONFERENCE ON COMMUNICATION, VOLS 1 AND 2 | 2006年
关键词：
D O I：
暂无
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：
We present an application of a switched antenna diversity to a conventional adaptive modulation system, derive its optimal antenna switching threshold for maximizing the average transmission bit rate and analyze its performance in terms of the spectral efficiency and outage probability. The performance analysis shows that the proposed scheme with two receiver antennas achieves an SNR gain of about 2 dB over the adaptive modulation scheme with a single antenna and suffers from a small SNR loss of 0.5 dB compared with the selection diversity based adaptive modulation system when the average number of bits per symbol is targeted to be 2.
引用
收藏
页码：733 / +
页数：3
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