A NEW PILOT DESIGN CRITERION OF CHANNEL ESTIMATION BASED ON COMPRESSIVE SENSING

被引：0
|
作者：
Hu, Jian-Sheng [1 ]
Song, Zun-Xun [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710072, Shaanxi, Peoples R China
来源：
2016 13TH INTERNATIONAL COMPUTER CONFERENCE ON WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING (ICCWAMTIP) | 2016年
关键词：
OFDM; sparse channel estimation; dilot design; mutual coherence; OFDM SYSTEMS;
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 improve the channel estimation performance of OFDM based on compressive sensing, the pilot design criterion is studied. The Euclidean distance between the measurement matrix and the identity matrix is used as the definition of mutual coherence of measurement matrix. Then a new pilot design criterion based on the definition above is gotten. Simulation results demonstrate that compared to the traditional criterion and modified criterion based threshold in reference, the new design criterion can save 7dB and 3 dB of SNR at same 0.02 of BER.
引用
收藏
页码：119 / 122
页数：4
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