Joint overlap ratios and power allocation with user fairness in partial non-orthogonal multiple access (P-NOMA)

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dc.authorid0000-0002-9193-1374
dc.authorid0000-0002-9054-0005
dc.contributor.authorThet, Nann Win Moe
dc.contributor.authorÖzdemir, Mehmet Kemal
dc.date.accessioned2021-02-12T07:40:40Z
dc.date.available2021-02-12T07:40:40Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractIn power-domain non-orthogonal multiple access (NOMA), since many users are able to utilize a single frequency subcarrier with different power levels, user interference occurs if successive interference cancellation (SIC) at the receiver is not performed perfectly. To reduce the amount of interference among all the users, recently an alternative approach called partial-NOMA (P-NOMA) was proposed. In this approach, the system allows partially overlapped bandwidth of the users and enables them to use NOMA in the overlapped region while the users in the non-overlapped bandwidth are arranged to utilize orthogonal multiple access (OMA). What should be the amount of overlap ratios (OR)s and the corresponding power levels still needs further research. In this paper, we propose an algorithm for joint allocation of ORs and power in P-NOMA system, which is based on gradient search, with the maximum sum-rate objective and user fairness constraint. Simulation results show that the proposed algorithm, which has lesser complexity than exhaustive search, obtains the optimum ORs and power allocation (PA) coefficient such that the maximum sum-rate of the P-NOMA is higher than that of the conventional NOMA while the target user fairness based on Jain's index is achieved.
dc.identifier.citationThet, N. W. M. ve Özdemir, M. K. (2020). Joint overlap ratios and power allocation with user fairness in partial non-orthogonal multiple access (P-NOMA). 28th Signal Processing and Communications Applications Conference (SIU). Gaziantep, Turkey, 5-7 October 2020. https://dx.doi.org/10.1109/SIU49456.2020.9302255
dc.identifier.doi10.1109/SIU49456.2020.9302255
dc.identifier.isbn9781728172064
dc.identifier.issn2165-0608
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://dx.doi.org/10.1109/SIU49456.2020.9302255
dc.identifier.urihttps://hdl.handle.net/20.500.12511/6557
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartof28th Signal Processing and Communications Applications Conference (SIU)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectNon-Orthogonal Multiple Access (NOMA)
dc.subjectPartialNOMA (P-NOMA)
dc.subjectPower Allocation
dc.subjectOverlap Ratio
dc.subjectUser Fairness
dc.titleJoint overlap ratios and power allocation with user fairness in partial non-orthogonal multiple access (P-NOMA)
dc.typeConference Object

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