Results 31 to 40 of about 3,544 (212)
Energy-Aware D2D Communications
, 2020 Device‐to‐device (D2D) communications, which enable proximity users to communicate directly without passing through BS, have been considered as one of the key techniques in the future 5G networks.
Tang, Jianhua +11 more
core +1 more source
Reconfigurable Intelligent Surfaces Enhanced NOMA D2D Communications Underlaying UAV Networks
, 2023 This paper considers RIS enhanced D2D communications underlaying unmanned aerial vehicle (UAV) networks with non-orthogonal multiple access (NOMA). The objective is to maximize the sum rate of NOMA D2D communications by optimizing the power budget of D2D
Eva lagunas (15210969) +5 more
core +2 more sources
IEEE Access, 2019 With increasing demands of green wireless communications, energy-efficient device-to-device (D2D) communications have attracted increasing attention. However, with resource sharing in an underlying manner, the system performance may be greatly degraded ...
Rui Zhang +5 more
doaj +1 more source
IEEE Access, 2018 Device-to-device (D2D) communications, which can increase system throughput, allow two cellular devices to communicate directly with each other. Compared with half-duplex relay, full-duplex relay can significantly improve the spectrum efficiency if the ...
Ruirui Chen, Yanjing Sun, Tao Li
doaj +1 more source
Device Discovery in D2D Communication: A Survey
IEEE Access, 2019 La communication d'appareil à appareil (D2D) a d'abord été envisagée en hors bande pour gérer les problèmes d'énergie dans les réseaux de capteurs sans fil. L'objectif principal était de sécuriser les informations sur la topologie du système pour les communications successives.
Omar Hayat +5 more
openaire +3 more sources
IEEE Access, 2018 Device-to-device (D2D) communications is a promising approach for wireless communications in terms of energy and spectrum efficiency. However, such communications increase interferences in a cellular network.
Romain Chevillon +3 more
doaj +1 more source
Algorithms, 2015 In Long Term Evolution-Advanced (LTE-A) networks, Device-to-device (D2D) communications can be utilized to enhance the performance of multicast services by leveraging D2D relays to serve nodes with worse channel conditions within a cluster.
Yong Zhang, Fangmin Li
doaj +1 more source
Algorithms, 2021 Device-to-Device (D2D) communications, which enable direct communication between nearby user devices over the licensed spectrum, have been considered a key technique to improve spectral efficiency and system throughput in cellular networks (CNs). However,
Qiuqi Han, Guangyuan Zheng, Chen Xu
doaj +1 more source
An Overview of Device-to-Device Communications Technology Components in METIS
IEEE Access, 2016 As the standardization of network-assisted device-to-device (D2D) communications by the Third Generation Partnership Project progresses, the research community has started to explore the technology potential of new advanced features that will largely ...
Gabor Fodor +7 more
doaj +1 more source
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source