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Title: Performance analysis of cooperative NOMA systems with adaptive mode selection and subchannel allocation
Authors: Cheng, Yanyu
Li, Kwok Hung
Teh, Kah Chan
Luo, Sheng
Wang, Wei
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Cheng, Y., Li, K. H., Teh, K. C., Luo, S. & Wang, W. (2019). Performance analysis of cooperative NOMA systems with adaptive mode selection and subchannel allocation. IEEE Transactions On Vehicular Technology, 68(11), 10981-10990.
Journal: IEEE Transactions on Vehicular Technology
Abstract: In this paper, we study the mode selection and subchannel allocation for the downlink of a multi-user multi-subchannel cooperative non-orthogonal multiple access (C-NOMA) system. Specifically, each non-orthogonal multiple access (NOMA) pair can work in two different modes, i.e., non-cooperative NOMA (NC-NOMA) and C-NOMA, where the mode selection is based on the users' channel conditions. We propose an adaptive mode selection, subchannel allocation and user pairing (AMS-SAUP) scheme and derive the achievable diversity order by analyzing the upper bound for the outage probability. Simulation results reveal that the AMS-SAUP scheme achieves the same diversity order as the exhaustive search scheme.
ISSN: 0018-9545
DOI: 10.1109/TVT.2019.2941512
Rights: © 2019 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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