Performance analysis of a correlator based maximum likelihood frequency estimator

被引：2
作者：
Kandeepan, S
Reisenfeld, S
机构：
来源：
2004 INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING & COMMUNICATIONS (SPCOM) | 2004年
关键词：
D O I：
10.1109/SPCOM.2004.1458379
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we discuss the performance of a correlator based frequency estimator (CE). The estimator is statistically analysed for single-tone frequency estimation for an additive white Gaussian noise (AWGN) channel. The CE is a maximum likelihood estimator (ML) [7] which theoretically achieves the Cratner-Rao lower bound (CRB) [7] if properly implemented. Frequency estimates on the received single-tone signal are made by correlating the received signal with a locally generated signal by varying the frequency, and maximizing the energy at the output of the correlator. The statistical distribution of the frequency estimates, made by the CE is Studied; we consider four different cases as discussed in the paper for the distribution, whilst providing simulation results to verify the analysis.
引用
收藏
页码：169 / 173
页数：5
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