Index assignment for quantized beamforming MIMO systems

被引：3
|
作者：
Zhu, Pengcheng [1 ]
Tang, Lan [1 ]
Wang, Yan [1 ]
You, Xiaohu [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Peoples R China
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2008年 / 7卷 / 08期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
beamforming; diversity methods; MIMO systems; finite-rate feedback; index assignment;
D O I：
10.1109/TWC.2008.070317
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：
Index assignment (IA) technique is introduced to quantized beamforming systems. The feedback channel in these systems is modeled as a discrete memoryless channel (DMC), and the diversity and array gains with feedback errors are derived. Based on the analytical results, IA scheme is designed to provide a redundancy-free protection against feedback errors. Simulation results show that good IA scheme improves the array gain and symbol error rate (SER).
引用
收藏
页码：2917 / 2922
页数：6
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