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Effect of Channels Estimation Error on the System Performance of 2-MRC Receiver over Fluctuating Two-Ray (FTR) Fading Model for 5G mmWave Communication

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Abstract

In an advanced wireless communication system, a smart receiver trims down the fading effect. From a practical point of view, performance such receiver depends not only on the estimation of channels but also system accuracy. This paper derives the general expression of average bit error rate (BER) and outage probability for dual-branch Maximum Ratio Combining (2-MRC) over Fluctuating Two Ray (FTR) fading channels with Imperfect Channel Estimation. Communication channels encountered in Fifth-Generation Millimeter-Wave communication is represented accurately by the FTR fading channels. A 2-MRC receiver is considered because of its performance advantage and less complexity. The probability density function of the output signal-to-noise ratio is obtained for 2-MRC receiver with channel estimation error over the FTR fading model. The mathematical description of average BER for both non-coherent and binary coherent modulation is derived. The impact of the fading parameters and the error estimation on the system efficiency are assessed through numerical analysis of the generated equations.

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Authors and Affiliations

  1. Department of ECE, North Eastern Regional Institute of Science and Technology, Nirjuli, Arunachal Pradesh, 791109, India

    Laishram Mona Devi

  2. Department of ECE, National Institute of Technology, Manipur, Manipur, 795004, India

    Aheibam Dinamani Singh

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  1. Laishram Mona Devi
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  2. Aheibam Dinamani Singh
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Devi, L.M., Singh, A.D. Effect of Channels Estimation Error on the System Performance of 2-MRC Receiver over Fluctuating Two-Ray (FTR) Fading Model for 5G mmWave Communication. Wireless Pers Commun 134, 901–913 (2024). https://doi.org/10.1007/s11277-024-10936-4

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