Carrier Frequency Estimation in Automatic Modulation Recognition Environment

摘要：

Carrier frequency estimation is important in both cooperative and non-cooperative communications. This paper addresses the estimation of the carrier frequency of a single-tone digitally modulated signal in the automatic modulation recognition (AMR) environment, where the AMR receiver does not have priori knowledge of the transmitted signal such as modulation type, shaping pulse, symbol constellation and symbol rate. Based on the analysis of phase information in autocorrelation functions of the received signal, two carrier frequency estimation algorithms are proposed in this paper. Performance of the proposed algorithms is compared with that of cyclic estimators via simulations, and the results show that the proposed algorithms perform better in AMR environment.

关键词： Digital communications blind carrier frequency estimation autocorrelation functions

作者: Zaihe Yu Jianyu Bai

作者单位: School of Information Science and EngineeringNingbo Institute of Technology,Zhejiang University Ning School of Information Science and Engineering Ningbo Institute of Technology,Zhejiang University Nin

会议类型: 国际会议

会议名称: 2010 IEEE信息与自动化国际会议(ICIA 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 1-6

在线出版日期: 2010-06-20（万方平台首次上网日期，不代表论文的发表时间）