Results 41 to 50 of about 3,827 (187)

Power Control and Channel Allocation Algorithm for Energy Harvesting D2D Communications

open access: yesAlgorithms, 2019
This paper assumes that multiple device-to-device (D2D) users can reuse the same uplink channel and base station (BS) supplies power to D2D transmitters by means of wireless energy transmission; the optimization problem aims at maximizing the total ...
Na Su, Qi Zhu
doaj   +1 more source

MoS2 Memristors Made by Liquid–Liquid Interface Assembly and Ultraprecise Metal Printing

open access: yesAdvanced Electronic Materials, EarlyView.
A cleanroom‐free, fully additive fabrication route combines ultraprecise printed silver electrodes with Langmuir–Schaefer‐deposited bilayer MoS2 to realize ultralow‐power resistive switching devices. The resulting microscale memories exhibit low operating voltages, a large memory window, stable retention and endurance, demonstrating a scalable and cost‐
Miguel Franco   +13 more
wiley   +1 more source

Multifunctional Matrix‐Activated Electrodes Enabling Efficient Proton Transport and Durable Low‐Pt Operation for High‐Temperature Proton Exchange Membrane Fuel Cells

open access: yesAdvanced Energy Materials, EarlyView.
This work introduces a CeHP‐enabled multifunctional matrix‐activated electrode (MME) for high‐temperature PEM fuel cells, forming an electrochemically and mechanically functional matrix within the catalyst layer. The design increases peak power density by 38% and reduces voltage decay by 62% at 240 °C, while using only 40% of the Pt loading of a ...
Gyeongseok Gwak   +12 more
wiley   +1 more source

The Reliability Research of DF-D2D Underlaying Cellular Networks

open access: yesAdvances in Electrical and Computer Engineering, 2014
In this paper, we propose a novel Device-to-Device (D2D) communication model, i.e., DF-D2D where the D2D communication is aided by a relay using the decode-and-forward (DF) strategy.
HUAN, C., LIU, C.
doaj   +1 more source

Resource Allocation for D2D Cellular Networks With QoS Constraints: A DC Programming- Based Approach

open access: yesIEEE Access, 2022
Device-to-device (D2D) communications provide efficient ways to increase spectrum utilization ratio with reduced power consumption for proximity wireless applications.
Hao-Hsuan Chang   +8 more
doaj   +1 more source

Compact Modeling of Volatile‐Switching Electrochemical Metallization Memory Cells by Means of the Electromotive Force

open access: yesAdvanced Intelligent Systems, EarlyView.
A volatile‐switching compact model of electrochemical metallization memory cells for neuromorphic architecture is developed and validated by reliable reproduction of device characterization measurements: I−V sweeps, SET kinetics, relaxation dynamics.
Rana Walied Ahmad   +4 more
wiley   +1 more source

Research on D2D Communication [PDF]

open access: yesAdvances in Computer Science Research, 2015
The significant development in mobile internet greatly enrich our daily life, meanwhile it challenges the capacity of the current cellular networks. The limited frequency resources are the main bottleneck of the development of cellular networks. Device-to-device(D2D) communication is a new technology that allows mobile terminals to directly communicate
Zhongpeng Wang, Fangni Chen
openaire   +1 more source

Enhancing the Throughput of Device-to-Device Communication in Cellular Systems Using Non-Orthogonal Transmission

open access: yesIEEE Access
Device-to-Device (D2D) communications facilitate direct data exchange between two devices, bypassing the necessity of routing through a central base station.
Chu-Tung Liu   +6 more
doaj   +1 more source

Rate and Outage Trade-Offs for OFDMA Based Device to Device Communication Frameworks

open access: yesIEEE Access, 2017
This paper presents the rate and outage tradeoffs for orthogonal frequency division multiple access-based device-to-device (D2D) communication frameworks, wherein multiple D2D users coexist with the cellular users in the same cell. Analytical expressions
Naveen Gupta, Vivek Ashok Bohara
doaj   +1 more source

Exploiting Ferroelectric and Spintronic Dynamics for Neural Network Computation

open access: yesAdvanced Intelligent Systems, EarlyView.
Ferroelectric and spintronic devices, relying on the control of polarization and magnetization, offer intrinsically fast, durable, energy‐efficient, and low‐latency building blocks for analog in‐memory computing. The hysteretic dynamics of an order parameter are leveraged to provide nonvolatile, multistate memory and nonlinear switching. Brain‐inspired
Dashiell Harrison   +4 more
wiley   +1 more source

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