Journal
INTERNATIONAL JOURNAL OF WIRELESS INFORMATION NETWORKS
Volume 29, Issue 3, Pages 365-372Publisher
SPRINGER
DOI: 10.1007/s10776-022-00569-4
Keywords
Cellular V2X; NOMA; Non-orthogonal multiple access; Communication systems resource allocation; 5G; 6G
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Funding
- State of California through California State University [ZSB12017-SJAUX]
- California State University Transportation Consortium
- NSF [ECCS-1642536]
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This article presents the underlying structure and solutions to the NOMA user-channel allocation problem, guaranteeing convergence and stability. It also investigates the relationship between NOMA resource allocation and various models and equilibria.
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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