Results 171 to 180 of about 3,544 (212)

Security in D2D Communications: A Review

2015 IEEE Trustcom/BigDataSE/ISPA, 2015
Device-to-Device (D2D) communications have emerged as a promising technology for the next generation mobile communication networks and wireless systems (5G). As an underlay network of a conventional cellular network (LTE or LTE-Advanced), D2D communications have shown great potential in improving communication capability, reducing communication delay ...
Wang, Mingjun, Yan, Zheng
openaire   +3 more sources

Impact of Shadowing in D2D Communication

2017 IEEE Wireless Communications and Networking Conference (WCNC), 2017
Device-to-device (D2D) communication is expected to increase the coverage probability by coexisting along with the conventional cellular systems in 5G technology. As the user equipments are often held closer to the human body, D2D links experience shadowing modelled by the amp;#954;-amp;#956; shadowed fading model.
Sudharsan Parthasarathy, Radha Krishna Ganti   +1 more
openaire   +1 more source

D2D group communications security

2015 International Conference on Protocol Engineering (ICPE) and International Conference on New Technologies of Distributed Systems (NTDS), 2015
Proximity Services (ProSe) discovery or communications using LTE-based Device-to-Device (D2D) communications have been recently in the heart of the discussions about the advent of 5G networks. Meanwhile, their related security aspects are of a major concern especially when dealing with direct radio communications and large-scale deployment of D2D ...
Emad Abd-Elrahman, Hatem Ibn-Khedher, Hossam Afifi   +2 more
openaire   +1 more source

A Design of D2D-Clustering Algorithm for Group D2D Communication

2020
Due to the characteristics of low latency and proximity discovery, D2D communication is considered to have an inherent advantage in supporting Internet-of-Vehicles (IoV) service. In this paper, considering that vehicular users can detect neighbor nodes in adjacent areas which are able to maintain high reliable communication with themselves, a novel ...
Ruoqi Shi, Bicheng Wang, Fanwei Shi, Dongming Piao, Jianling Hu   +4 more
openaire   +1 more source

Feasible D2D communication distance in D2D-enabled cellular networks

2014 IEEE International Conference on Communication Systems, 2014
In D2D-enabled cellular networks, data communications between user equipments (UEs) can be completed by two modes: the cellular mode and the D2D mode where UEs bypass the base station and directly communicate with each other. Usually the transmission mode is selected based on the distance between the UEs.
Haichuan Ding, Shaodan Ma, Chengwen Xing
openaire   +1 more source

Secure communications with D2D cooperation

2015 International Conference on Communications, Signal Processing, and their Applications (ICCSPA'15), 2015
Device to Device (D2D) communications provides a promising technique for 5G wireless networks, supporting higher data rates. Security of data transmission over wireless clouds could put constraints on devices; whether to cooperate or not. Therefore, our aim is to provide analytical framework for the security at the physical layer and to define the ...
Samah A. M. Ghanem, Munnujahan Ara
openaire   +1 more source

Enabling D2D communications in LTE networks

2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), 2013
Device-to-Device (D2D) communications provide the means to users of cellular networks for spatially reusing licensed spectrum by establishing direct connections. Considering the benefits for operators and consumers, a plethora of resource and interference management approaches in the literature deal with parallel cellular and D2D transmissions. However,
Dimitris Tsolkas, Eirini Liotou, Nikos I. Passas, Lazaros F. Merakos   +3 more
openaire   +1 more source

Operational region of overlay D2D communications

2015 IEEE International Conference on Communications (ICC), 2015
An important enabler towards the successful introduction of any new element/feature to the cellular network, such as the ability to allow for direct, device-to-device (D2D) communications, is the investigation and characterization of the operational conditions, e.g., density of users, where its deployment will enhance performance.
Stelios Stefanatos, Antonis G. Gotsis, Angeliki Alexiou   +2 more
openaire   +1 more source

D2D CSI feedback for D2D aided massive MIMO communications

2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), 2016
We consider fast fading massive MIMO systems in Frequency Division Duplex (FDD) mode and propose a communication scheme based on Device-to-Device (D2D) cooperation and statistical channel state information (CSI) feedback. User terminals (UT) are conveniently clustered and cooperate within a cluster to create a virtual MIMO at a target UT via D2D ...
openaire   +1 more source

The Role of Video Coding in D2D Communications

2017 IEEE Globecom Workshops (GC Wkshps), 2017
The development of Device-to-Device (D2D) communication provides potential for distributing data in mobile devices, offloading large amount of data traffic from the base station to mobile devices. It greatly enhances the system capacity, and makes the mass of high-quality video services possible.
Xuguang Zhang, Jianxin Chen, Feng Tian, Zhe Yuan   +3 more
openaire   +1 more source