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    Joint Effects of Residual Hardware Impairments and Channel Estimation Errors on SWIPT Assisted Cooperative NOMA Networks

    Li, X, Liu, M, Deng, C, Zhang, D, Gao, X, Rabie, Khaled ORCID logoORCID: https://orcid.org/0000-0002-9784-3703 and Kharel, R ORCID logoORCID: https://orcid.org/0000-0002-8632-7439 (2019) Joint Effects of Residual Hardware Impairments and Channel Estimation Errors on SWIPT Assisted Cooperative NOMA Networks. IEEE Access, 7. pp. 135499-135513. ISSN 2169-3536

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    Abstract

    In this paper, we investigate the effects of residual hardware impairments (RHIs), channels estimation errors (CEEs) and imperfect successive interference cancellation (ipSIC) on the cooperative nonorthogonal multiple access (NOMA) system over Nakagami-m channels, where the amplify-and-forward (AF) relay can harvest energy from the source. The exact expressions for outage probability and ergodic sum rate are derived in closed-form. In addition, the asymptotic outage analyses in the high signal-to-noise (SNR) regime are carried out. The results show that the outage probability exists an error floor due to the existence of CEEs and compared with RHIs, CEEs have a more serious impact on the system outage performance. The close simulation results of Monte Carlo verify the accuracy of our theoretical derivation. Finally, the performance of energy efficiency is examined with RHIs, CEEs and ipSIC.

    Item Type: Article
    Peer-reviewed: Yes
    Date Deposited: 24 Oct 2019 10:17
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Additional Information: "(c) 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works."
    Divisions: Faculties > Science and Engineering
    URI: https://e-space.mmu.ac.uk/id/eprint/624185
    DOI: https://doi.org/10.1109/ACCESS.2019.2942337
    ISSN 2169-3536

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