On the error exponent for memoryless flat fading channels with channel-state-information feedback

被引：10
|
作者：
Ahmed, WKM [1 ]
McLane, PJ [1 ]
机构：
[1] Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada
来源：
IEEE COMMUNICATIONS LETTERS | 1999年 / 3卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1109/4234.749359
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this letter, we derive the random coding error exponent for the time-independent flat fading channel with perfect knowledge of the channel state information (CSI) at both the receiver and the transmitter. That is, the CSI is feedback from the receiver to the transmitter. In such a situation, the transmitter is capable of optimizing the power allocation of the transmitted signal according to the fading state in order to obtain, for our case, the best error exponent, The power scheme obtained here is different from the water-pouring one, which is known to maximize the channel capacity.
引用
收藏
页码：49 / 51
页数：3
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