A downlink group pre-coding scheme for MBMS in Distributed MIMO system

被引：0
|
作者：
Wang, Xiangyang [1 ]
Jiang, Tao [1 ]
Xu, Yin [1 ]
Wang, Dong [1 ]
机构：
[1] Southeast Univ, NCRL, Nanjing, Jiangsu, Peoples R China
来源：
2014 IEEE INTERNATIONAL SYMPOSIUM ON BROADBAND MULTIMEDIA SYSTEMS AND BROADCASTING (BMSB) | 2014年
关键词：
Distributed MIMO system; group pre-coding; downlink; antenna selection;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a group pre-coding scheme is proposed for multimedia broadcast multicast service (MBMS) downlink transmission in distributed multiple input multiple output (D-MIMO) antenna system. The ideal channel state information (CSI) is assumed to know at both transmitters and receivers. In order to evaluate the performance of the group pre-coding, the average symbol error rate (SER) of the Block Diagonalization Minimum Mean Square Error (BD-MMSE) and Block Diagonalization - Zero forcing (BD-ZF) algorithms with group pre-coding in both D-MIMO and centralized MIMO (C-MIMO) system are investigated through Monte Carlo simulation. The SER performance of conventional pre-coding schemes with BD-MMSE is also given for comparison. The simulation results show that the degradation in SER performance of group pre-coding proposed is slightly comparing with that of the conventional pre-coding scheme, but the computational complexity of group pre-coding scheme is reduced significantly.
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页数：4
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