Results 41 to 50 of about 625,882 (290)

Nonlinear Fiber Loop Mirror Optimization to Enhance the Performance of Multiwavelength Brillouin/Erbium-Doped Fiber Laser

open access: yesIEEE Photonics Journal, 2014
The performance of multiwavelength BEFL based on nonlinear fiber loop mirror (NOLM) optimization has been experimentally investigated. The NOLM is optimized to act as highly reflective mirror, which results in reducing the threshold power and enhancing ...
A. W. Al-Alimi, M. H. Yaacob, A. F. Abas
doaj   +1 more source

Building Programmable Wireless Networks: An Architectural Survey

open access: yes, 2014
In recent times, there have been a lot of efforts for improving the ossified Internet architecture in a bid to sustain unstinted growth and innovation.
Ahad, Nauman   +2 more
core   +1 more source

General Model for Infrastructure Multi-channel Wireless LANs

open access: yes, 2010
In this paper we develop an integrated model for request mechanism and data transmission in multi-channel wireless local area networks. We calculated the performance parameters for single and multi-channel wireless networks when the channel is noisy. The
Amer, Abdelsalam, Gebali, Fayez
core   +1 more source

Security in Wireless Sensor Networks: Issues and Challenges [PDF]

open access: yes, 2006
Wireless Sensor Network (WSN) is an emerging technology that shows great promise for various futuristic applications both for mass public and military.
Delic, H, Ersoy, C, Onel, T, Onur, Ertan
core   +3 more sources

5G Centralized Multi-Cell Scheduling for URLLC: Algorithms and System-Level Performance

open access: yesIEEE Access, 2018
We study centralized radio access network (C-RAN) with multi-cell scheduling algorithms to overcome the challenges for supporting ultra-reliable low-latency communications (URLLC) in the fifth-generation new radio (5G NR) networks.
Ali Karimi   +4 more
doaj   +1 more source

Vehicle-to-Vehicle Based Autonomous Flight Coordination Control System for Safer Operation of Unmanned Aerial Vehicles

open access: yesDrones, 2023
The exponential growth of unmanned aerial vehicles (UAVs) or drones in recent years has raised concerns about their safe operation, especially in beyond-line-of-sight (BLOS) scenarios.
Lin Shan   +5 more
doaj   +1 more source

Mundakkai-Chooralmala landslide: assessment of initiation, progression, and impact

open access: yesScientific Reports
Globally, the emergence of multi-hazard scenarios and cascaded disasters is significantly rising . During the 2024 monsoon in Wayanad District, Kerala, India, torrential rainfall triggered landslides, erosion, and flash floods, resulting in over 400 ...
Maneesha Vinodini Ramesh   +7 more
doaj   +1 more source

Dynamic and Non-Centric Networking Approach Using Virtual Gateway Platforms for Low Power Wide Area Systems

open access: yesIEEE Access, 2019
To actively develop and promote Internet of Things related techniques, we propose a dynamic and non-centric networking approach using virtual gateway platforms, and evaluate it based on low-power wide-area networks that adopt the traditional star and ...
Ou Zhao   +3 more
doaj   +1 more source

Achieving High UAV Uplink Throughput by Using Beamforming on Board

open access: yesIEEE Access, 2020
High-throughput unmanned aerial vehicle (UAV) communication may unleash the true potential of novel applications for aerial vehicles but also represents a threat for cellular networks due to the high levels of generated interference.
Tomasz Izydorczyk   +5 more
doaj   +1 more source

Half-linear cavity multiwavelength Brillouin-erbium fiber laser [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2014
Multiwavelength half-linear cavity Brillouin erbium fiber laser (BEFL) has been demonstrated. The half-linear cavity BEFL is formed by utilizing only two circulators: one circulator acts as input and output ports and the other circulator is used to form ...
Al-Alimi A.W., Yaacob M. H., Abas A. F.
doaj   +1 more source

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