南京邮电大学学报（自然科学版）2011，Vol.31Issue(5)：7-11,17,6.
基于压缩感知的OFDM稀疏信道估计导频图案设计
Design of Pilot Pattern for Compressive Sensing Based Sparse Channel Estimation in OFDM Systems
摘要
Abstract
In orthogonal frequency division multiplexing (OFDM) systems,the frequency selective channel estimation problem is investigatedby using compressed sensing ( CS) theory. Based on minimizing mutual coherence of the measurement matrix in CS theory, a criterion of designing the pilot pattern for the CS-based channel estimation is proposed. Simulation results show that the pilot pattern designed according to the proposed criterion gives a much better performance than other pilot patterns in terms of the mean square error of the channel estimate as well as the bit error rate of the system.关键词
正交频分复用/压缩感知/信道估计/互相关/导频图案Key words
OFDM/compressive sensing/channel estimation/mutual coherence/pilot pattern分类
信息技术与安全科学引用本文复制引用
何雪云,宋荣方,周克琴..基于压缩感知的OFDM稀疏信道估计导频图案设计[J].南京邮电大学学报（自然科学版）,2011,31(5):7-11,17,6.基金项目
国家重点基础研究发展计划(973计划)(2007CB310607)、国家科技重大专项(2009ZX03003-006)、国家自然科学基金(60972041,60872104)、江苏省高校自然科学基础研究计划重大项H(08KJD510001)、教育部博士点基金(200802930004)、江苏省普通高校研究生科研创新计划(CXZZ11_0385)、东南大学移动通信国家重点实验室开放课题(N200809)资助项目 （973计划）
