Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142719
Title: Joint user pairing and subchannel allocation for multisubchannel multiuser nonorthogonal multiple access systems
Authors: Cheng, Yanyu
Li, Kwok Hung
Teh, Kah Chan
Luo, Sheng
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Cheng, Y., Li, K. H., Teh, K. C., & Luo, S. (2018). Joint user pairing and subchannel allocation for multisubchannel multiuser nonorthogonal multiple access systems. IEEE Transactions on Vehicular Technology, 67(9), 8238 - 8248. doi:10.1109/TVT.2018.2840680
Journal: IEEE Transactions on Vehicular Technology
Abstract: In this paper, we investigate the issues of joint user pairing and subchannel allocation (JUP-SA) in a multisubchannel multiuser nonorthogonal multiple access (NOMA) system. We first investigate the uplink and propose a JUP-SA scheme so that the minimum achievable diversity order of users is maximized. By deriving the upper and lower bounds of the outage probability of the worst-performance user, the achievable diversity order of the scheme is obtained. Following this, the downlink of the system is considered and a JUP-SA scheme that maximizes the minimum diversity order is presented. The closed-form expression of the worst-case outage probability is then derived and validated by simulation results. Numerical results show that both schemes in uplink and downlink NOMA systems can achieve the same diversity order as that of exhaustive search.
URI: https://hdl.handle.net/10356/142719
ISSN: 0018-9545
DOI: 10.1109/TVT.2018.2840680
Rights: © 2018 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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