Performance analysis of hybrid half and full duplex user relaying non orthogonal multiple access system with advanced successive interference cancellation

Qaiser Hussain Alvi ()
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Qaiser Hussain Alvi: UET Taxila

Telecommunication Systems: Modelling, Analysis, Design and Management, 2023, vol. 83, issue 1, No 6, 67-77

Abstract: Abstract This paper describes a hybrid half duplex (HD) and full duplex (FD) user relaying cooperative non orthogonal multiple access (NOMA) system, where a HD/FD user relaying node shares the information to far users from base station (BS). The system works under residual self-interference (RSI) due to imperfect self-interference cancellation. An advanced successive interference cancellation (ASIC) scheme is introduced in the system as an alternative of successive interference cancellation (SIC) technique. The implementation of ASIC scheme in the proposed system is done by mapping the received signal into number of subgroups. Then, the conventional SIC technique is applied to each of these subgroups for decoding information signals. The performance analysis of the proposed system is comprehensively conducted through the closed form expressions, which are derived in terms of outage probability, system throughput, achievable sum rate and energy efficiency. The effectiveness and correctness of the proposed system is verified by analytical results, which clearly boost the outage performance and system throughput than traditional system in moderate to high SNR region. The robustness of the proposed system is also provided with high achievable sum rate and energy efficiency than traditional system under RSI.

Keywords: Full duplex; Non orthogonal multiple access; Residual self-interference; Advanced successive interference cancellation (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11235-023-01010-8

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