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Delay Minimization for NOMA-MEC Offloading

Author(s): Ding, Zhiguo; Ng, Derrick Wing Kwan; Schober, Robert; Poor, H Vincent

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Abstract: This letter considers the minimization of the offloading delay for nonorthogonal multiple access assisted mobile edge computing (NOMA-MEC). By transforming the delay minimization problem into a form of fractional programming, two iterative algorithms based on, respectively, Dinkelbach's method and Newton's method are proposed. The optimality of both methods is proved and their convergence is compared. Furthermore, criteria for choosing between three possible modes, namely orthogonal multiple access, pure NOMA, and hybrid NOMA, for MEC offloading are established.
Publication Date: 14-Oct-2018
Citation: Ding, Zhiguo, Ng, Derrick Wing Kwan, Schober, Robert, Poor, H Vincent. (2018). Delay Minimization for NOMA-MEC Offloading. IEEE Signal Processing Letters, 25 (12), 1875 - 1879. doi:10.1109/lsp.2018.2876019
DOI: doi:10.1109/lsp.2018.2876019
ISSN: 1070-9908
EISSN: 1558-2361
Pages: 1875 - 1879
Type of Material: Journal Article
Journal/Proceeding Title: IEEE Signal Processing Letters
Version: Author's manuscript

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