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Error Probability of DF Relaying with Pilot-Assisted Channel Estimation over Time-Varying Fading Channels

Lookup NU author(s): Dr Salama Ikki


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In this paper, we investigate the error rate performance of a cooperative network with adaptive decode-and-forward (DF) relaying over time-selective frequency-flat Rayleigh-fading channels. We assume pilot-symbol-assisted modulation (PSAM) for the estimation of time-varying fading channel coefficients. For the system under consideration, we derive an exact closed-form expression for the average bit/symbol error rate, which is further validated through Monte Carlo simulations. Such closed-form solutions are highly desirable because they allow for rapid and efficient performance evaluation. Through the derived expression, we also demonstrate the effect of various system parameters such as the number of relays, Doppler values, and filter length on system performance.

Publication metadata

Author(s): Ikki S, Al-Dharrab S, Uysal M

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Vehicular Technology

Year: 2012

Volume: 61

Issue: 1

Pages: 393-397

Print publication date: 04/08/2011

ISSN (print): 0018-9545

ISSN (electronic): 1939-9359

Publisher: IEEE


DOI: 10.1109/TVT.2011.2163536


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