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

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概要

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• 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) 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.

• 2012-06-01

著者

• WU Nan

  the School of Information and Electronics, Beijing Institute of Technology

• WANG Hua

  the School of Information and Electronics, Beijing Institute of Technology

• KUANG Jingming

  the School of Information and Electronics, Beijing Institute of Technology

• YAN Chaoxing

  the School of Information and Electronics, Beijing Institute of Technology

関連論文

• Performance Analysis and Optimization of Non-Data-Aided Carrier Frequency Estimator for APSK Signals
• Look-Up Table Based Low Complexity LLR Calculation for High-Order Amplitude Phase Shift Keying Signals

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