Two-way Relay Channel Estimation Based on Compressive Sensing

摘要：

A method of two-way relay sparse channel estimation based on compressive sensing (CS) is designed. We specifically introduce the orthogonal matching pursuit (OMP) algorithm to reconstruct the channel impulse response of orthogonal frequency division multiplexing (OFDM) system. The introduced method can fully exploit the potential sparsity of two-way relay channels (TWRC). By contrast to traditional linear estimation methods, the introduced method needs much less training sequences under the same estimation performance, thus improving the utilization of communication resources such as spectrum and energy effectively. At the same time, the computational efficiency of the introduced method is always higher than traditional methods as its computational complexity mainly relies on the sparse degree of multipath channels. Simulation results confirm the introduced method.

关键词： compressive sensing (CS) two-way relay channel (TWRC) orthogonal matching pursuit (OMP) channel estimation training sequences

作者: Wenwen Yuan Baoyu Zheng Wenjing Yue Lei Wang

作者单位: Institute of Signal Processing and Transmission Nanjing University of Posts and Telecommunications N Institute of Signal Processing and Transmission Nanjing University of Posts and Telecommunications Institute of Signal Processing and Transmission Nanjing University of Posts and Telecommunications N

会议类型: 国际会议

会议名称: 2011年无线通信与信号处理国际会议(WCSP 2011)

会议地点: 南京

会议语种:英文

页码: 1-5

在线出版日期: 2011-11-09（万方平台首次上网日期，不代表论文的发表时间）