Research on Compressed Sensing of KL Domain with Limited Feedback in MIMO-OFDM System

被引：0
|
作者：
Fu Hongliang [1 ]
Li Chao [2 ]
机构：
[1] Henan Univ Technol, Key Lab Grain Informat Proc & Controlling, Zhengzhou, Peoples R China
[2] Henan Univ Technol, Coll Informat Sci & Engn, Zhengzhou, Peoples R China
来源：
PROCEEDINGS OF 2016 8TH IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION SOFTWARE AND NETWORKS (ICCSN 2016) | 2016年
关键词：
MIMO-OFDM; limited feedback in KL domain; channel state information feedback; orthogonal matching pursuit; PURSUIT;
D O I：
暂无
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 order to solve the problem of feedback link overhead in MIMO-OFDM system, and improve the transmission efficiency, a limited feedback method based on KL domain is proposed in this paper. In this method, the state information which is obtained from the channel estimation performed in KL domain sparse at the receiving end. Thereby a small amount of linear measurements are obtained which represents the total channel state information, Then these measurements are fed back to the transmitting end. In the transmitter, the channel state information is reconstructed through orthogonal matching pursuit algorithm. The simulation results show that the proposed limited feedback based on KL (Karhuner-Loeve) domain method can achieve full channel state feedback effect and decreases the overhead in the feedback link.
引用
收藏
页码：151 / 154
页数：4
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