Results 41 to 50 of about 13,512 (184)

Energy Efficiency and Sum Rate Tradeoffs for Massive MIMO Systems with Underlaid Device-to-Device Communications [PDF]

open access: yes, 2015
In this paper, we investigate the coexistence of two technologies that have been put forward for the fifth generation (5G) of cellular networks, namely, network-assisted device-to-device (D2D) communications and massive MIMO (multiple-input multiple ...
Björnson, Emil   +4 more
core   +2 more sources

Power Allocation for D2D Communications With SWIPT

open access: yesIEEE Transactions on Wireless Communications, 2020
Power allocation plays a vital role in coordinating interference between Device-to-Device (D2D) and cellular communications, and when power allocation meets simultaneous wireless information and power transfer (SWIPT), the energy efficiency of D2D communications can be significantly improved.
Jun Huang   +2 more
openaire   +3 more sources

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

An Overview of Device-to-Device Communications Technology Components in METIS

open access: yesIEEE 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

Performance Analysis of Network-Assisted Two-Hop D2D Communications

open access: yes, 2014
Network-assisted single-hop device-to-device (D2D) communication can increase the spectral and energy efficiency of cellular networks by taking advantage of the proximity, reuse, and hop gains when radio resources are properly managed between the ...
Fodor, Gabor   +2 more
core   +1 more source

Selective Update for Hardware‐Friendly On‐Chip Training in Distributed Analog In‐Memory Computing Systems

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 1, January 2026.
This study proposes a hardware‐efficient training methodology for crossbar arrays mapped with convolutional kernels in distributed computing systems. The approach is robust to variations in analog devices, minimizes disturbances during parallel writing operations, reduces stress on hardware, and accelerates the training process.
Jaehyeon Kang   +3 more
wiley   +1 more source

Resource Allocation for Energy Harvesting-Powered D2D Communications Underlaying NOMA-Based Networks

open access: yesIEEE Access, 2019
This paper investigates the resource allocation problem in device-to-device (D2D) communications underlaying a non-orthogonal multiple access (NOMA)-based cellular network with energy harvesting, where the energy harvesting-powered D2D communications ...
Bo Chen   +4 more
doaj   +1 more source

A Novel Device-to-Device Discovery Scheme for Underlay Cellular Networks

open access: yes, 2017
Tremendous growing demand for high data rate services such as video, gaming and social networking in wireless cellular systems, attracted researchers' attention to focus on developing proximity services.
Ghorashi, Seyed Ali   +2 more
core   +1 more source

Accurate Indoor Channel Modeling for mmWave Communication Systems in Smart Environments Using Ray Tracing and Measurement‐Based Validation

open access: yesInternational Journal of Intelligent Systems, Volume 2026, Issue 1, 2026.
The growing requests for extremely fast indoor wireless connectivity have introduced significant challenges in designing next‐generation communication systems to build Internet of things (IoT)–enabled fully connected smart environments, particularly at higher frequency bands such as millimeter wave (mmWave/MMW).
Ling Yao   +4 more
wiley   +1 more source

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

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