Optimal bit allocation adaptive modulation algorithm for MIMO system

被引：0
|
作者：
Fan, Lingyan [1 ]
He, Chen [1 ]
Feng, Guorui [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200030, Peoples R China
来源：
JOURNAL OF COMMUNICATIONS AND NETWORKS | 2007年 / 9卷 / 02期
关键词：
adaptive bit allocation; multiple-input multiple-output (MIMO);
D O I：
10.1109/JCN.2007.6182832
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an adaptive minimum transmit power modulation scheme under constant data rate and fixed bit error rate (BER) for the multiple-input multiple-output (MIMO) system is proposed. It adjusts the modulation order and allocates the transmit power to each spatial sub-channel when meeting the user's requirements at the cost of minimum transmission power. Compared to the other algorithm, it can obtain good performance with lower computational complexity and can be applied to the wireless communication system. Computer simulation results present the efficiency of the proposed scheme. And its performance under different channel condition has been compared with the other algorithm.
引用
收藏
页码：136 / 140
页数：5
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