Linear Dispersion Codes Design Based on Grassmannian Subspace Packing

被引：0
|
作者：
Deng, Dan [1 ]
Zhao, Ming [2 ]
机构：
[1] Guangzhou Panyu Polytech, Sch Informat Engn, Guangzhou, Guangdong, Peoples R China
[2] Univ Sci & Technol China, Sch Informat Sci & Technol, Hefei, Peoples R China
来源：
2014 9TH INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM) | 2014年
关键词：
Linear Dispersion Codes; limited feedback; Grassmannian Subspace packing; MIMO; LIMITED FEEDBACK; SYSTEMS; SPACE; TIME;
D O I：
暂无
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：
A new method to design codebook is proposed for Linear Dispersion Code (LDC) systems with limited feedback. The extended codebook design method is introduced based on Grassmannian subspace packing and a mapping function, which is derived from the relationship between SVDs of the classical multiplexing systems and the LDC systems. Our proposed codebook can guarantee the maximum min-distance of the finite set. Simulation results show that, for 2x2 MIMO systems, if the feedback bit number is 4, the proposed codebook shows the similar performance to the optimal precoding codebook and has substantial performance advantage against the random search codebook.
引用
收藏
页码：262 / 265
页数：4
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