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Underpinnings of User-Channel Allocation in Non-orthogonal Multiple Access for 5G

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Abstract

Non-orthogonal multiple access (NOMA) is a part of 5th generation (5G) communication systems. This article presents the underpinnings and underlying structures of the problem of NOMA user-channel allocation. Unlike the heuristics for NOMA user-channel allocation, the presented results are guaranteed to converge to a solution. In addition, the solutions are stable. More specifically, the deployment of results to cellular vehicular communication systems is shown as a use case of 5G technology in smart transport. Generally, the results apply to any NOMA system. Unlike the orthogonal frequency division multiple access resource allocation problem, the core matching is not the solution to NOMA resource allocation. The conditions under which the fix-point NOMA resource allocation is guaranteed to be stable from the viewpoint of both the base station and the NOMA users are described. In addition, relationships of NOMA user-channel resource allocation to game models and subgame perfect Nash equilibria are elucidated.

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Acknowledgements

This work was supported in part by the State of California SB1 2017/2018 through the Trustees of the California State University (Agreement #ZSB12017-SJAUX) and the California State University Transportation Consortium and in part by the NSF Award ECCS-1642536.

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  1. California State University, Long Beach, CA, 90840, USA

    Shabnam Sodagari

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  1. Shabnam Sodagari
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Correspondence to Shabnam Sodagari.

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Sodagari, S. Underpinnings of User-Channel Allocation in Non-orthogonal Multiple Access for 5G. Int J Wireless Inf Networks 29, 365–372 (2022). https://doi.org/10.1007/s10776-022-00569-4

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  • DOI: https://doi.org/10.1007/s10776-022-00569-4

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