Maximum likelihood SNR estimators for digital receivers

被引：0
|
作者：
Chen, YF [1 ]
Beaulieu, NC [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada
来源：
2005 IEEE PACIFIC RIM CONFERENCE ON COMMUNICATIONS, COMPUTERS AND SIGNAL PROCESSING (PACRIM) | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The problem of estimating signal-to-noise ratio (SNR) is investicated, both for static and slowly fading channels without memory. Maximum likelihood SNR estimators are derived for sampled signal processing receivers as well as continuous time signal processing receivers. It is shown that a maximum likelihood SNR estimator operating with digitally modulated signals is a decision-based structure that necessarily incorporates a digital data receiver. Based on this observation, structures of the estimators for two measures of SNR are presented.
引用
收藏
页码：637 / 640
页数：4
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