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Performance Analysis of Optimum Combining Technique in OFDM Based Full Duplex Multiantenna DF Relay Network with Narrowband Interference

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Abstract

In this paper, optimum combining technique is applied to minimize the effect of Narrowband Interference (NBI) in Orthogonal Frequency Division Multiplexing based full duplex relay network. The NBI signal is assumed to be quasi-static over the duration of a transmitted signal. Multiple antennas are employed at Decode and Forward relay and destination nodes. The Probability Density Function of Signal to Interference Ratio at relay and destination nodes is derived using Hotelling’s T 2 distribution. Analytical expression for the end-to-end outage probability of the proposed network is derived using the hypergeometric functions. As the weight vector of the optimal combiner is determined using the statistics of the interference channels, the performance of the proposed network becomes better than the network with maximal ratio combining.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Nalla Malla Reddy Engineering College, Hyderabad, 500088, India

    Samikkannu Rajkumar

  2. Department of Electronics and Communication Engineering, Thiagarajar College of Engineering, Madurai, 625 015, India

    S. J. Thiruvengadam

Authors
  1. Samikkannu Rajkumar
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  2. S. J. Thiruvengadam
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Correspondence to Samikkannu Rajkumar.

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Rajkumar, S., Thiruvengadam, S.J. Performance Analysis of Optimum Combining Technique in OFDM Based Full Duplex Multiantenna DF Relay Network with Narrowband Interference. Wireless Pers Commun 92, 547–563 (2017). https://doi.org/10.1007/s11277-016-3556-6

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  • DOI: https://doi.org/10.1007/s11277-016-3556-6

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