Performance Analysis and Optimization of Non-Data-Aided Carrier Frequency Estimator for APSK Signals

被引：1

作者：

Wu, Nan ^{[1
]}

Wang, Hua ^{[1
]}

Kuang, Jingming ^{[1
]}

Yan, Chaoxing ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Informat & Elect, Beijing, Peoples R China

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 06期

基金：

美国国家科学基金会;

关键词：

carrier frequency estimation; non-data-aided; amplitude and phase shift keying; Cramer-Rao bound; jitter variance; optimization; PHASE; PSK; AMPLITUDE; RECOVERY; SCHEMES; DESIGN; BOUNDS;

D O I：

10.1587/transcom.E95.B.2080

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：

This paper investigates the non-data-aided (NDA) carrier frequency estimation of amplitude and phase shift keying (APSK) signals. The true Cramer-Rao bound (CRB) for NDA frequency estimation of APSK signals are derived and evaluated numerically. Characteristic and jitter variance of NDA Luise and Reggiannini (L&R) frequency estimator are analyzed. Verified by Monte Carlo simulations, the analytical results are shown to be accurate for medium-to-high signal-to-noise ratio (SNR) values. Using the proposed closed-form expression, parameters of the algorithm are optimized efficiently to minimize the jitter variance.

引用

页码：2080 / 2086

页数：7

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