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Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings

Research Article

Enhancing Performance of Asynchronous Cooperative Relay Network with Partial Feedback

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  • @INPROCEEDINGS{10.1007/978-3-319-74176-5_16,
        author={The-Nghiep Tran},
        title={Enhancing Performance of Asynchronous Cooperative Relay Network with Partial Feedback},
        proceedings={Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings},
        proceedings_a={INISCOM},
        year={2018},
        month={1},
        keywords={Partial feedback Near-optimum detection Inter-symbol interference Distributed space-time code Asynchronous cooperative network},
        doi={10.1007/978-3-319-74176-5_16}
    }
    
  • The-Nghiep Tran
    Year: 2018
    Enhancing Performance of Asynchronous Cooperative Relay Network with Partial Feedback
    INISCOM
    Springer
    DOI: 10.1007/978-3-319-74176-5_16
The-Nghiep Tran1,*
  • 1: Le Quy Don Technical University
*Contact email: nghiepsqtt@gmail.com

Abstract

Distributed close-loop extended orthogonal space-time block code (DCL EO-STBC) was demonstrated to achieve a significant improvement of performance for closed-loop cooperative relay network systems with limited feedback channel. This paper proposes a decode-and-forward (DF) cooperative strategy with using partial feedback in stead of DCL EO-STBC to obtain a distributed cooperative diversity gain. Based on the partial phase feedback technique, the new scheme has only previous inter-symbol interference (ISI) components in the received signals and obtains an enhancing system performance in term of signal-noise power ratio (SNR) at the destination node. Theoretical analysis and Monte-Carlo simulations confirm that the using near-optimum detection (NOD) at the destination can completely remove interference components before detection process. In comparison to previous DCL EO-STBC scheme, this work not only has simpler signal processing due to not using DCL EO-STBC endcoder and decoder, but also outperforms sytem performance without decrease transmission rate.

Keywords
Partial feedback Near-optimum detection Inter-symbol interference Distributed space-time code Asynchronous cooperative network
Published
2018-01-25
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-319-74176-5_16
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