Results 21 to 30 of about 4,461,023 (266)

An Intelligent Distributed Channel Selection Framework with Hybrid Mode Selection for Interference Mitigation in D2D based 5G Networks [PDF]

Journal of Universal Computer Science
Device-to-device (D2D) communication is an essential part of the 5G system used in cellular networks, which enables devices to communicate with each other without passing the base station BS.
Abdullilah A. Alotaibi, Salman A. AlQahtani   +1 more
doaj   +3 more sources

Data upload system using D2D technology in the unlicensed frequency range as part of the 5G communication system

Технічна інженерія, 2020
With a constant increase in the number of users and the amount of data that they transmit among themselves, modern communication system networks cannot cope with the download.
А.V. Bulashenko
doaj   +1 more source

A new way of extending network coverage: Relay-assisted D2D communications in 3GPP

ICT Express, 2016
Wireless relaying in cellular networks has attracted considerable attention because of its capability of extending coverage and improving transmission reliability.
SungHoon Jung, Junsu Kim
doaj   +1 more source

Artificial Intelligence Assisted Enhanced Energy Efficient Model for Device-to-Device Communication in 5G Networks

Human-Centric Intelligent Systems, 2023
Device-to-device (D2D) communications promise spectral and energy efficiency, total system capacity, and excellent data rates. These improvements in network performance led to much D2D research, but it revealed significant difficulties before their full ...
Shailendra Mishra
doaj   +1 more source

Network-Assisted Device-to-Device (D2D) Direct Proximity Discovery with Underlay Communication [PDF]

, 2015
Device-to-Device communications are expected to play an important role in current and future cellular generations, by increasing the spatial reuse of spectrum resources and enabling lower latency communication links.
Popovski, Petar, Pratas, Nuno K.
core   +2 more sources

IBP Based Caching Strategy in D2D

Applied Sciences, 2019
Device to Device (D2D) communication is a key technology in 5th generation wireless systems to increase communication capacity and spectral efficiency. Applying caching into D2D communication networks, the device can retrieve content from other devices ...
Chun Shan, Xiao-ping Wu, Yan Liu, Jun Cai, Jian-zhen Luo   +4 more
doaj   +1 more source

Device-to-device meets LTE-unlicensed [PDF]

IEEE Communications Magazine, 2016
In this article, we look into how the LTE network\ud can efficiently evolve to cater for new data services by utilizing\ud direct communications between mobile devices and extending the\ud direct transmissions to the unlicensed bands, i.e., device-to-device\ud (D2D) communications in conjunction with LTE-Unlicensed.
Wu, Y., Guo, W., Yuan, H., Li, L., Wang, S., Chu, X., Zhang, J.   +6 more
openaire   +3 more sources

Energy-Efficient Device Discovery Mechanism for Device-to-Device Communications in 5G Networks

Energies, 2021
The conventional direct device discovery scheme which uses the random access protocol and encounters contentions or collisions is highly energy and time-consuming.
Mingfu Li, Hsin-Ling Tsai
doaj   +1 more source

Numerical investigation of graphene derivatives as HTL in PBDB-T:NCBDT bulk heterojunction organic solar cell

Results in Optics
The damaging effects of the most widely used PEDOT:PSS have led researchers to search for an alternative hole transport layer (HTL) in non-fullerene acceptor (NFA) based bulk heterojunction organic solar cells (BHJOSC’s).
Denet Davis, K.S. Sudheer
doaj   +1 more source

On ASER Analysis of Energy Efficient Modulation Schemes for a Device-to-Device MIMO Relay Network

IEEE Access, 2020
In this paper, we investigate the performance of a device-to-device (D2D) multiple-input and multiple-output (MIMO) communications using an amplify-and-forward relaying for various energy-efficient modulation schemes.
Shaik Parvez, Praveen Kumar Singya, Vimal Bhatia   +2 more
doaj   +1 more source