Extended joint channel estimation algorithms in cooperative Multi-cell OFDM systems

被引：0
|
作者：
Chen, Yixian [1 ]
Wang, Yuan [2 ]
Zeng, Shangchun [1 ]
机构：
[1] College of Electrical and Information Engineering, Southwest University for Nationalities
[2] National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China
来源：
Journal of Computational Information Systems | 2013年 / 9卷 / 11期
关键词：
Cramer-Rao low bound; Joint channel estimation; Multi-cell cooperation;
D O I：
10.12733/jcis6141
中图分类号：
学科分类号：
摘要：
Optimum multi-cell joint channel estimation (MC-JCE) is the basis for application of multi-cell cooperative processing. However, MC-JCE needs power delay profile (PDP) knowledge of all multiple cells remained the same and known by receiver. For this weakness, the paper presents multi-cell extended joint channel estimation (MC-eJCE) algorithm and multi-cell modified joint channel estimation (MC-mJCE) algorithm on conditions that PDPs of multiple cells is known or unknown by receiver, and then derives the corresponding Cramer-Rao Low bound (CRLB). Simulation results illustrate the both proposed algorithms have good mean square error (MSE) performance, and corresponding space frequency block coded (SFBC) cooperative multi-cell transmission system has the good bit error rate (BER) performance. © 2013 by Binary Information Press.
引用
收藏
页码：4407 / 4414
页数：7
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