Blind detection with unique identification in two-way relay channels

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Authors
Li, Lun
Advisors
Ding, Yanwu
Issue Date
2011-12
Type
Thesis
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Abstract

This thesis considers a two-way relay system whereby two nodes exchange information via a relay node. Amplify-and-forward (AF) is applied as a relaying strategy.The channel information is not available at both receivers. The generalized likelihood ratio test (GLRT) and least squares error (LSE) detectors are derived in order to achieve blind unique recovery of the transmitted symbol. It is also proven that full diversity can be achieved. A constellation selection algorithm is designed to optimize the symbol error rate (SER) performance. This thesis also analyzes both theoretical procedures and simulation results of an existing differential detection scheme for two-way relay channels. Monte Carlo simulations demonstrate the performance of the proposed algorithm.

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Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science.
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Wichita State University
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