Semi-Analytical Method for Performance Analysis of Code-Aided Soft-Information Based Iterative Carrier Phase Recovery
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概要
- 論文の詳細を見る
This paper studies the performance of code-aided (CA) soft-information based carrier phase recovery, which iteratively exploits the extrinsic information from channel decoder to improve the accuracy of phase synchronization. To tackle the problem of strong coupling between phase recovery and decoding, a semi-analytical model is proposed to express the distribution of extrinsic information as a function of phase offset. Piecewise approximation of the hyperbolic tangent function is employed to linearize the expression of soft symbol decision. Building on this model, open-loop characteristic and closed-loop performance of CA iterative soft decision-directed (ISDD) carrier phase synchronizer are derived in closed-form. Monte Carlo simulation results corroborate that the proposed expressions are able to characterize the performance of CA ISDD carrier phase recovery for systems with different channel codes.
- The Institute of Electronics, Information and Communication Engineersの論文
著者
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Wang Hua
School Of Geodesy And Geomatics Wuhan University
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WU Nan
School of Computer, National University of Defense Technology
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WU Nan
School of Information and Electronics, Beijing Institute of Technology
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WANG Hua
School of Information and Electronics, Beijing Institute of Technology
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ZHAO Hongjie
School of Information and Electronics, Beijing Institute of Technology
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KUANG Jingming
School of Information and Electronics, Beijing Institute of Technology
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