Results 1 to 10 of about 2,701 (178)
On Power Minimization for Non-orthogonal Multiple Access (NOMA)
IEEE Communications Letters, 2016 We formulate a power optimization problem for non-orthogonal multiple access systems mathematically, and prove its NP-hardness. For tackling the problem, we first identify a convex problem by relaxation. Based on this convexity, we then propose an efficient “relax-then-adjust” algorithm and provide results of performance evaluation.
Di Yuan, Lei Lei
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Partial Non-Orthogonal Multiple Access (NOMA) in Downlink Poisson Networks [PDF]
IEEE Transactions on Wireless Communications, 2020 Non-orthogonal multiple access (NOMA) allows users sharing a resource-block to efficiently reuse spectrum and improve cell sum rate $\mathcal{R}_{\rm tot}$ at the expense of increased interference. Orthogonal multiple access (OMA), on the other hand, guarantees higher coverage.
Konpal Ali +2 more
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On Non-Orthogonal Multiple Access (NOMA) in 5G Systems
The Journal of Korean Institute of Communications and Information Sciences, 2015 The non-orthogonal multiple access (NOMA) is one of the fledging paradigms which next generation radio access technologies are sprouting toward. The NOMA with superposition coding (SC) in the transmitter and successive interference cancellation (SIC) at the receiver comes with many desirable features and benefits over orthogonal multiple access (OMA ...
Jae Moung Kim, Kyung S Kwak
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Partial-Beam Non-Orthogonal Multiple Access (PB-NOMA) With Fuzzy Clustering
IEEE Wireless Communications Letters, 2021 This letter proposes a partial-beam non-orthogonal multiple access (PB-NOMA) system for millimeter wave (mmWave) channels. In the proposed system, the user terminals (UT)s partially belong to different user groups and power-domain partial NOMA (P-NOMA) technique is exploited in their allocated spectrum.
Mehmet Kemal Özdemir, Nann Win Moe Thet
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IEICE Transactions on Communications, 2015 SUMMARY This paper presents our investigation of non-orthogonal multiple access (NOMA) as a novel and promising power-domain user multiplexing scheme for future radio access. Based on information theory, we can expect that NOMA with a successive interference canceller (SIC) applied to the receiver side will offer a better tradeoff between system ...
Anass Benjebbour
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Non-Orthogonal Multiple Access (NOMA) With Multiple Intelligent Reflecting Surfaces [PDF]
IEEE Transactions on Wireless Communications, 2021 Accepted for publication in the IEEE Transactions on Wireless ...
Yanyu Cheng +4 more
openaire +2 more sources
Evaluasi Coded Random Access untuk Visible Light Communication pada Model Kanal Non-Line Of Sight
Jurnal Elkomika, 2022 ABSTRAK Penggunaan Non-Orthogonal Multiple Access (NOMA) pada sistem komunikasi dapat memberi kebebasan bagi user untuk mengirimkan informasi secara bersamaan tanpa harus memperebutkan timeslot ataupun frekuensi.
BRIAN PAMUKTI +2 more
doaj +1 more source
Analysis of factors affecting the operation of the communication system with nonorthogonal multiple access [PDF]
ITM Web of Conferences, 2019 NOMA is a group of non-orthogonal multiple access methods [1]. In this article, we talk about the Power Domain (Division) NOMA method. It is a non-orthogonal multiple access method with channel separation by power [2].
Rogozhnikov Eugeniy +4 more
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Outage Probability and Ergodic Capacity Analysis of MIMO-NOMA Heterogeneous Network for 5G System
JISR on Computing, 2022 Based on the orthogonal multiple access (OMA) paradigm, multiple access techniques are now used in wireless networks. The capacity of OMA for orthogonal resources, which is already constrained, will be exceeded in the coming years by the demand for a ...
Sadiq ur Rehman
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Uplink power control scheme for spectral efficiency maximization in NOMA systems
Alexandria Engineering Journal, 2023 Non-orthogonal multiple access (NOMA) has recently gained much research attention as a possible multiple access solution for fifth-generation (5G) wireless communication. The NOMA can further enhance spectral performance compared with orthogonal multiple
Bilal Ur Rehman +7 more
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