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Uplink Power-Domain Non-Orthogonal Multiple Access (NOMA)

International Journal of Interdisciplinary Telecommunications and Networking, 2020
Non-orthogonal multiple access (NOMA) has been proposed as a promising multiple access (MA) technique in order to meet the requirements for fifth generation (5G) communications and to enhance the performance in internet of things (IoT) networks by enabling massive connectivity, high throughput, and low latency.
Faeik T. Al Rabee, Richard D. Gitlin
openaire   +1 more source

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

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
openaire   +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
Al-Abbasi, Ziad, So, Daniel K C
openaire   +2 more sources

Downlink Non-Orthogonal Multiple Access (NOMA) Constellation Rotation

2016 IEEE 84th Vehicular Technology Conference (VTC-Fall), 2016
The non-orthogonal multiple access (NOMA) technique or more generally the non-orthogonal principle is a crucial component for the next generation cellular system. For two-user downlink NOMA, the constellations of near and far users are superposed for transmission, and maximum likelihood (ML) or successive interference cancellation (SIC) receiver is ...
Jian Zhang   +3 more
openaire   +1 more source

Non-Orthogonal Multiple Access (NOMA) for Cellular Future Radio Access

2013 IEEE 77th Vehicular Technology Conference (VTC Spring), 2013
This paper presents a non-orthogonal multiple access (NOMA) concept for cellular future radio access (FRA) towards the 2020s information society. Different from the current LTE radio access scheme (until Release 11), NOMA superposes multiple users in the power domain although its basic signal waveform could be based on the orthogonal frequency division
Yuya Saito   +5 more
openaire   +1 more source

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