Results 111 to 120 of about 91,357 (154)

Parametric assessment of rainfall-related slope stability through SRM modeling and orthogonal experimental design: insights from the Zhuquedong slope, China. [PDF]

Sci Rep
Liu F, Dong Z, Khayatnezhad M.
europepmc   +1 more source

Proteomic Analysis of Cervicovaginal Fluid for Diagnostic Endometriosis Biomarker Discovery. [PDF]

Proteomics Clin Appl
Paterson ESJ, Scheck S, Kleffmann T, Gill R, Bedford N, McDowell S, Girling JE, Henry CE.   +7 more
europepmc   +1 more source

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Covert Non-Orthogonal Multiple Access

2020 IEEE Wireless Communications and Networking Conference (WCNC), 2020
We consider hiding a covert (private) message in non-orthogonal multiple access (NOMA) systems by superimposing (embedding) it under non-covert (public) messages. We determine the total detection error probability (sum of false alarm and missed detection probability), the adversary’s optimum detection strategy that minimizes the total detection error ...
Hien Ta, Sang Wu Kim
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Multiple Codebook-Based Non-Orthogonal Multiple Access

IEEE Wireless Communications Letters, 2020
Observing that employing a single codebook (CB) per user transmission block in the conventional CB-based non-orthogonal multiple access (NOMA) schemes doesn’t exploit code and interference diversity and has limitations in some unfavorable channel conditions, this letter presents multiple CB-based NOMA (MC-NOMA) in which multiple CBs are employed by a ...
Ameha T. Abebe, Chung G. Kang
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Non-Orthogonal Multiple Access for Terahertz Communication Networks

2020 11th IEEE Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON), 2020
Terahertz communications is one of the promising technologies for the future mobile communication networks. Due to the ever increasing need for high-speed data transfer, higher bandwidths are required. As a solution, higher frequencies in the spectrum may be considered for future networks.
Ülgen, Oğuz, Erküçük, Serhat, Baykaş, Tunçer   +2 more
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Non-Orthogonal Multiple Access

Advanced Computing and Communications, 2019
Non-orthogonal multiple access (NOMA) has been recently proposed as a technique to increase the network throughput and to support massive connectivity, which are major requirements in the fifth generation (5G) communication systems. The NOMA can be realized through two different approaches, namely, in (a) power-domain, and (b) code-domain. In the power-
openaire   +1 more source

Full-Duplex Non-Orthogonal Multiple Access Networks

2018
Full-duplex (FD) has the potential to double the resource utilization of cellular networks by enabling simultaneous transmissions in the uplink (UL) and downlink (DL) directions using the same time and frequency resource. Several challenges arise from integrating FD with non-orthogonal multiple access (NOMA) networks.
Mohammed S. Elbamby, Mehdi Bennis, Walid Saad, Mérouane Debbah, Matti Latva-aho   +4 more
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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
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5G‐oriented non‐orthogonal multiple access technology

International Journal of Communication Systems, 2020
SummaryWith the changes of the times and the rapid development of the mobile Internet and the Internet of Things, network communications are facing increasingly severe challenges. Due to the user exclusivity of the orthogonal resources of the existing orthogonal multiple access technology, it is difficult for the number of accessible users and the ...
Yifeng He, Rui Zhang, Nan Ye
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Bidirectional relaying using non-orthogonal multiple access

Physical Communication, 2019
Abstract A half-duplex bidirectional relaying (BR) technique using non-orthogonal multiple access (NOMA) (termed as BR-NOMA) is proposed and investigated in this paper. In BR-NOMA, multiple users in one NOMA group can exchange information simultaneously with multiple users in another NOMA group through a common relay.
Md. Fazlul Kader, Mohammed Belal Uddin, Md. Abdul Latif Sarker, Soo Young Shin   +3 more
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