Diversity Combining with Imperfect Channel Estimates in Correlated Fading

被引：3
|
作者：
Gifford, Wesley M. [1 ]
Win, Moe Z. [1 ]
Chiani, Marco [2 ]
机构：
[1] MIT, LIDS, Cambridge, MA 02139 USA
[2] Univ Bologna, WiLAB, DEIS, I-40136 Bologna, Italy
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2008年 / 44卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/TAES.2008.4655348
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In this paper, we present a framework for evaluating the bit error probability (BEP) of N-d-branch diversity combining with imperfect channel estimates in correlated fading environments. The estimator structure is based on the maximum likelihood estimate and arises naturally as the sample mean of N-p pilot symbols. Our results show that the diversity order of the system under consideration matches that of an ideal system operating in the same correlated fading environment, regardless of the number of pilot symbols.
引用
收藏
页码：852 / 860
页数：9
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