Results 31 to 40 of about 38,659 (230)

Backscatter-Aided NOMA V2X Communication under Channel Estimation Errors [PDF]

open access: yes, 2022
Backscatter communications (BC) has emerged as a promising technology for providing low-powered transmissions in nextG (i.e., beyond 5G) wireless networks. The fundamental idea of BC is the possibility of communications among wireless devices by using
OTTERSTEN, Björn   +5 more
core   +1 more source

Threshold-Based Selective Cooperative-NOMA [PDF]

open access: yes, 2019
In this letter, we propose threshold-based selective cooperative-NOMA (TBS-C-NOMA) to increase the data reliability of conventional cooperative-NOMA (C-NOMA) networks.
Ferdi Kara, Hakan Kaya
core   +1 more source

Compatibility in NOMA [PDF]

open access: yes, 2019
In this chapter, the compatibility of NOMA will be introduced by discussing the applications of NOMA to various techniques, such as heterogeneous networks (HetNets), cognitive radio networks (CRNs), and multiple-input multiple-output (MIMO). Particularly,
Yuanwei Liu   +5 more
core   +1 more source

Science and religion: magisteria that do overlap

open access: yesRHS Revista Humanismo y Sociedad, 2016
This paper has a threefold purpose: first, to show why, contrary to widespread opinion, science and religion are in fact incompatible approaches to the investigation of reality, both in the methodology and worldviews they respectively entail.
Juan Diego Serrano
doaj   +1 more source

On the analytical investigation of hybrid transmission NOMA (H-NOMA) [PDF]

open access: yes, 2021
Non-orthogonal multiple access (NOMA) is shown to be the optimal channel access method and a strong candidate to be employed at the fifth generation (5G) and beyond networks. This paper studies direct transmission (DT) and cooperative transmission (CT) modes of operations in NOMA communications and proposes an investigation on evolving a cooperative ...
Hüseyin Haci, Joydev Ghosh
openaire   +1 more source

Noma and Noma-like disease in HIV/AIDS patients, a comorbid interaction: A systematic review [PDF]

open access: yes, 2018
Introduction: Noma is an opportunistic polymicrobial infection that cause necrosis of the mouth and face, with high morbidity and mortality, predominantly affecting malnourished children and persons with debilitating diseases.
Miguel García-de-la-Cruz   +6 more
core   +2 more sources

A Web of Science-Based Bibliometric Analysis of Global Noma Publications

open access: yesTropical Medicine and Infectious Disease, 2022
The World Health Organization recognizes noma as a global health problem and has suggested prioritizing research into this disease. A bibliographic search of original articles published in the Web of Science database up to 2022 was performed.
Diego Azañedo   +2 more
doaj   +1 more source

Overcoming the Phase Discontinuity Problem in RIS Optimization: A Robust and Scalable Phase‐Aware Deep Regression Framework via Hybrid CNN–LSTM Architecture

open access: yesAdvanced Intelligent Systems, EarlyView.
The phase discontinuity problem—where the cyclic nature of phase angles causes catastrophic errors near the ±π boundary—is a fundamental obstacle in learning‐based reconfigurable intelligent surface (RIS) optimization. A phase‐aware hybrid CNN–LSTM framework resolves this by decomposing phase predictions into sine–cosine components, mapping circular ...
Seda Savaşçı Şen   +3 more
wiley   +1 more source

Non-orthogonal Multiple Access (NOMA) with Asynchronous Interference Cancellation [PDF]

open access: yes, 2015
Non-orthogonal multiple access (NOMA) allows allocating one carrier to more than one user at the same time in one cell. It is a promising technology to provide high throughput due to carrier reuse within a cell.
Haci, Huseyin
core  

Rayleigh Sönümlemeli Kanalda NOMA Üstünlük Koşulunun Belirlenmesi [PDF]

open access: yes, 2021
msufbdNon-orthogonal Multiple Access (NOMA) is a new generation multiple access technique in which multiple users simultaneously share the same frequency band.
Bilge KARTAL CETIN   +3 more
core   +1 more source

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