Results 51 to 60 of about 3,544 (212)

Full-duplex device-to-device communications:key technologies and prospects

open access: yesDianxin kexue, 2018
Due to the physical proximity,D2D communications can bring proximity gain,reusing gain and hop gain,and thus can potentially increase system spectral-efficiency and energy-efficiency.Full-duplex D2D communications,which enable the transceiver to ...
Jiaxin DING   +3 more
doaj   +2 more sources

Overlapping Coalition Formation Games for Joint Interference Management and Resource Allocation in D2D Communications

open access: yesIEEE Access, 2018
In this paper, an overlapping coalition formation game is proposed to conduct joint interference management and resource allocation in device-to-device (D2D) communications.
Jinming Hu   +5 more
doaj   +1 more source

Direct Photocurrent Detection of Optical Vortex Based on the Orbital Photo Galvanic Effect: Progress, Challenge, and Perspective

open access: yesAdvanced Science, Volume 13, Issue 27, 13 May 2026.
Direct orbital angular momentum (OAM) detection through the orbital photogalvanic effect offers a scalable route for integrated optoelectronics. This perspective evaluates symmetry‐driven material selection and demonstrates how electrode matrices enable the resolution of complex, mixed OAM modes.
Jinluo Cheng   +5 more
wiley   +1 more source

Energy efficient D2D communications in dynamic TDD systems

open access: yes, 2017
Device-to-Device (D2D) communication is a promising technology for improving the performance of proximity-based services. This paper demonstrates how the integration of D2D communication in cellular systems operating under dynamic Time Division Duplex ...
Della Penda, Demia,   +5 more
core   +1 more source

Sec-D2D: A Secure and Lightweight D2D Communication System With Multiple Sensors [PDF]

open access: yesIEEE Access, 2019
Device-to-Device (D2D) communication is a promising method for the emerging Internet of Things. Secure information exchange plays a key role in the application of D2D communication. Considering that the wireless devices are powered by batteries, in this paper, a lightweight secure D2D system is designed by using multiple sensors on mobile devices ...
Mingsheng Cao   +7 more
openaire   +3 more sources

Tunable Switching Mechanisms in HfZrO2‐Based Tunnel Junctions for High‐Performance Synaptic Arrays

open access: yesAdvanced Science, Volume 13, Issue 18, 27 March 2026.
This work demonstrates hybrid switching in engineered HZO‐based FTJs, enabled by controlled interlayer design and oxygen scavenging dynamics. The combined switching mechanism produces robust multilevel conductance states in large crossbar arrays, offering a materials‐driven pathway toward scalable in‐memory computing with enhanced tunability and ...
Jiwon You   +8 more
wiley   +1 more source

Dynamic Social-Aware Peer Selection for Cooperative Relay Management With D2D Communications

open access: yes, 2019
In this paper, we investigate the optimal dynamic social-aware peer selection with spectrum-power trading to maximize the average sum energy efficiency (EE) of cellular users (CUs) for uplink transmission for an orthogonal frequency division multiple ...
Yue Xiao   +9 more
core   +1 more source

Energy Efficient Resource Allocation for Underlaying Multi-D2d Enabled Multiple-Antennas Communications

open access: yes, 2020
Energy efficiency has a significant importance to optimize the wireless communications systems by providing high data rates. In order to develop energy efficient systems, one of the promising methods is to use multiple device-to-device (D2D) underlaying ...
Le Ruyet, Didier   +3 more
core   +1 more source

Framework for Task Offloading in O‐RAN Architecture for Heterogeneous Computing Applications

open access: yesTransactions on Emerging Telecommunications Technologies, Volume 37, Issue 2, February 2026.
This work proposes a task offloading framework in ORAN architecture, optimizing computational assignment across user devices, edge cloud, and regional cloud. By efficiently selecting processing nodes and allocating computational and radio resources, it minimizes delay while accommodating diverse latency requirements for gold, silver, and bronze‐tier ...
Samira Taheri   +3 more
wiley   +1 more source

Caching based socially-aware D2D communications in wireless content delivery networks: a hypergraph framework

open access: yes, 2016
The emergence of the D2D communications paradigm has transformed the way in which cellular networks are operated. Previous work in D2D communications, however, mainly focused on interference management and capacity maximization of both D2D links and ...
Svensson, Tommy   +10 more
core   +1 more source

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