Results 171 to 180 of about 6,700 (214)

RNN-Bi-LSTM spectrum sensing algorithm for NOMA waveform with diverse channel conditions. [PDF]

Sci Rep
Kumar A, Nanthaamornphong A, Masud M.
europepmc   +1 more source

Polar Coding and Early SIC Decoding for Uplink Heterogeneous NOMA. [PDF]

Entropy (Basel)
Wu CJ, Lin CY, Huang YC.
europepmc   +1 more source

Enhancing short-packet communications: BLER performance in RIS-assisted ambient backscatter NOMA systems. [PDF]

PLoS One
Phu LS, Nguyen TN, Minh BV, Tin PT, Voznak M.   +4 more
europepmc   +1 more source

Deep Reinforcement Learning-Based Resource Allocation for UAV-GAP Downlink Cooperative NOMA in IIoT Systems. [PDF]

Entropy (Basel)
Huang Y, Su J, Lu X, Huang S, Zhu H, Zeng H.   +5 more
europepmc   +1 more source

User-Pairing Based Non-Orthogonal Multiple Access (NOMA) System

2016 IEEE 83rd Vehicular Technology Conference (VTC Spring), 2016
Non-orthogonal multiple access (NOMA) is a promising multiple access scheme for next generation wireless networks. This paper investigates the sum rate maximization problem for NOMA system over a frequency selective fading channel with its users being paired according to their channel powers. A hierarchical power allocation process is proposed, whereby
Ziad Qais Al-Abbasi, Daniel K. C. So
core   +5 more sources

Non-orthogonal multiple access (NOMA) for indoor visible light communications

2015 4th International Workshop on Optical Wireless Communications (IWOW), 2015
Providing multiple access support to visible light communication (VLC) systems requires new networking architecture. Non-orthogonal multiple access (NOMA) is a proposed multiple access technique for future cellular systems. In this work, based on a realistic indoor channel conditions, we apply NOMA to indoor VLC channels and demonstrate its superior ...
Refik Çaglar Kizilirmak, Corbett Ray Rowell, Murat Uysal   +2 more
openaire   +3 more sources

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Partial Non-Orthogonal Multiple Access (P-NOMA)

IEEE Wireless Communications Letters, 2019
In this letter, we propose a novel hybrid type of power-domain non-orthogonal multiple access (NOMA) in downlink environments, called partial NOMA (P-NOMA). In conventional NOMA, where the signals of user equipments (UEs) are fully overlapped, the utilization of the bandwidth can be maximized, but doing so also maximizes the interference from the other
Beomju Kim, Yosub Park, Daesik Hong
exaly   +2 more sources

Optimal User Pairing for Downlink Non-Orthogonal Multiple Access (NOMA)

IEEE Wireless Communications Letters, 2019
In this letter, we explore user pairing in a downlink non-orthogonal multiple access (NOMA) network. As power allocation inherently intertwines with user pairing, a joint user pairing and power allocation problem is considered to optimize the achievable sum rate (ASR) with minimum rate constraint for each user, which is a mixed integer programming ...
Lipeng Zhu, Zhenyu Xiao, Xianbin Cao
exaly   +2 more sources

Coordinated Non-Orthogonal Multiple Access (CO-NOMA)

2016 IEEE Global Communications Conference (GLOBECOM), 2016
We propose a Coordinated Non-Orthogonal Multiple Access (CO-NOMA) scheme for resource allocation in the context of mobile networks. NOMA refers to schemes where multiple users can access the wireless channel in the same frequency band simultaneously. In this study, we consider NOMA with power domain multiplexing, where the near- far property in space ...
Anthony Beylerian, Tomoaki Ohtsuki
openaire   +1 more source