Results 91 to 100 of about 13,462 (229)

A dynamic graph optimization framework for multihop device-to-device communication underlaying cellular networks

open access: yes, 2014
With emerging demands for local area and popular content sharing services, multihop device-to-device communication is conceived as a vital component of next-generation cellular networks to improve spectral reuse, bring hop gains, and enhance system ...
Chen, Sheng   +3 more
core   +1 more source

Security in Device-to-Device communications (D2D): a survey

open access: yes, 2017
—Device-to-Device (D2D) communication is a promising technology for the next generation mobile communication networks (5G). Indeed, it is expected to allow high throughput, reduce communication delays and reduce energy consumption and traffic load. D2D technology will enhance the capacity and the performance of traditional cellular networks.
Nait Hamoud, Othmane   +2 more
openaire   +1 more source

Linear and Nonlinear Energy Harvesting in Concurrent Cellular and D2D Communication

open access: yesEngineering Reports, Volume 7, Issue 9, September 2025.
In this study, an interference‐aided dual‐hop cooperative communication scenario is considered, where both cellular and energy‐constrained device‐to‐device (D2D) users coexist and share the same radio resources. The performance of the proposed model is studied considering both linear and nonlinear EH models employing time‐switching and power‐splitting ...
Md. Fazlul Kader   +1 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

Optimized UAV‐Based Relay Algorithm for Enhanced Emergency Wireless Coverage in Disaster Areas

open access: yesEngineering Reports, Volume 7, Issue 8, August 2025.
An optimized UAV‐based relay algorithm is proposed to enhance emergency wireless coverage in disaster areas. By dynamically adjusting UAV positions and employing energy‐efficient routing, the approach minimizes path loss, improves Device‐to‐Device (D2D) communication, and ensures reliable connectivity for disaster response, enabling seamless ...
Deepika Rani Sona   +7 more
wiley   +1 more source

Enabling D2D Transmission Mode with Energy Harvesting and Information Transfer in Heterogeneous Networks

open access: yesAdvances in Electrical and Electronic Engineering, 2018
The concept of energy harvesting-assisted relay has been introduced to support the relaying transmission using Device-to-Device (D2D) communications for enhancing communication reliability. Motivated by the recent advance in Heterogeneous Network (HetNet)
Hong Nhu Nguyen   +6 more
doaj   +1 more source

Bias‐Independent True Random Number Generator Circuit using Memristor Noise Signals as Entropy Source

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 6, June 2025.
Random telegraph noise (RTN) characteristics of memristor depend on external environmental conditions. To avoid these bias‐dependent characteristics, a true random number generator circuit using the RTN current fluctuations of memristor is presented with an edge detection circuit and counter, and bias independence is experimentally demonstrated for ...
Jinwoo Park, Hyunjoong Kim, Hyungjin Kim
wiley   +1 more source

Reconfigurable Intelligent Surfaces (RIS) and Their Role in Next‐Generation Wireless Networks: An Overview

open access: yesTransactions on Emerging Telecommunications Technologies, Volume 36, Issue 6, June 2025.
This paper explicitly reviews the state‐of‐the‐art RIS‐assisted wireless networks, especially open challenges relating to the B5G and 6G networks. This work presents an intensive study of recent research on RIS to provide an in‐depth understanding of the underlying principles surrounding RIS operations, composition, and effect on EM waves.
Chukwuemeka Nwufo   +2 more
wiley   +1 more source

Cooperative Resource Allocation and Scheduling for 5G eV2X Services

open access: yesIEEE Access, 2019
In this paper, a cooperative solution for vehicle-to-everything (V2X) communications is proposed and presented, which can guarantee the reliability and latency requirements for the 5G enhanced V2X (eV2X) services.
Nestor Bonjorn   +3 more
doaj   +1 more source

A Game-Theoretic Approach to Energy-Efficient Resource Allocation in Device-to-Device Underlay Communications [PDF]

open access: yes, 2014
Despite the numerous benefits brought by Device-to-Device (D2D) communications, the introduction of D2D into cellular networks poses many new challenges in the resource allocation design due to the co-channel interference caused by spectrum reuse and ...
Dong, Mianxiong   +5 more
core  

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