计算机与现代化Issue(2)：6-11,6.DOI:10.3969/j.issn.1006-2475.2018.02.002
传输损耗条件下基于循环平稳检测的空时分组码盲识别方法
Blind Recognition for STBC with Transmission Impairments Based on Cyclostationarity Test
摘要
Abstract
An algorithm is proposed based on fourth-order cyclostationarity to classify Spatial Multiplexing (SM) and Alamouti space-time block code (STBC) with transmission impairments when a single antenna is employed at the receiver.Firstly,we prove the feature that Alamouti STBC signals hare cyclic frequency.Secondly,the fourth-order cyclic cumulants of the received samples are calculated to observe the cyclic frequency.Thirdly,we exploit the discriminating features provided by cyclic frequency of different STBCs,and construct cyclostationarity test to detect the cyclic frequency to achieve the classification.The algorithm can work in single received antenna scenarios.Monte Carlo simulation shows that the algorithm does not require the channel state information,modulation of the transmitted signal,carrier phase and time offset.It does not need to accurately know the carrier frequency offset and performs well.关键词
空时分组码/循环平稳检测/信号分类/传输损耗/单接收天线Key words
space-time block code (STBC)/cyclostationarity test/signal classification/transmission impairments/single receive antenna分类
信息技术与安全科学引用本文复制引用
方伟,闫文君,凌青,张立民..传输损耗条件下基于循环平稳检测的空时分组码盲识别方法[J].计算机与现代化,2018,(2):6-11,6.基金项目
国家自然科学基金重大研究计划项目(91538201) （91538201）
泰山学者工程专项经费资助项目(ts201511020) （ts201511020）
