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Now showing items 311-320 of 347
FSO link attenuation measurement in extreme winter conditions for secure 5G applications
(SPIE, 2023)
The functionality of Free Space Optical (FSO) communication links is highly influenced by meteorological conditions such as precipitation, snowfall, and fog. In this study, we establish an FSO link and conduct experimental ...
FPGA-based implementation of an underwater quantum key distribution system with BB84 protocol
(IEEE, 2023-08)
As threats in the maritime domain diversify, securing data transmission becomes critical for underwater wireless networks designed for the surveillance of critical infrastructure and maritime border protection. This has ...
Comparative characterization of indoor VLC and MMW communications via ray tracing simulations
(IEEE, 2023)
The demand for ultra-high-speed indoor wireless connectivity is ever-increasing, which poses unique challenges for the next generation wireless communication system design. This has prompted the exploration of higher ...
Joint lifetime-outage optimization in relay-enabled IoT networks—A deep reinforcement learning approach
(IEEE, 2023-01)
Network lifetime maximization in Internet of things (IoT) is of paramount importance to ensure uninterrupted data transmission and reduce the frequency of battery replacement. This letter deals with the joint lifetime-outage ...
Characterization of orbital angular momentum-multiplexed FSO channel in the presence of pointing errors
(IEEE, 2023)
Free space optical communication (FSO) uses laser transmitters at near-infrared wavelengths for line-of-sight wireless communication. Through the use of advanced laser beams instead of the conventional Gaussian-shaped beam, ...
Pilot-aided channel estimation for RIS-assisted wireless systems over time-varying fading channels
(IEEE, 2023)
Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology for improving wireless communication system performance. RISs can adjust signals' phase and amplitude, resulting in improved signal strength. ...
FSO-based backhauling for airborne THz base stations
(IEEE, 2023)
Airborne nodes in the form of high-altitude platform stations (HAPSs) or unmanned aerial vehicles (UAVs) can be used for backhauling and wireless access. In this paper, we investigate the cascaded free space optical ...
Experimental demonstration of an FPGA-based outdoor VLC broadcasting system
(IEEE, 2023)
Visible light communication (VLC) uses light-emitting diodes (LEDs) to transmit data by turning them on and off at very high speeds, too fast for the human eye to perceive. In outdoor environments, LED-based streetlights ...
Soft actor-critic-based computation offloading in multiuser MEC-enabled IoT-A lifetime maximization perspective
(IEEE, 2023-10-15)
This article studies the network lifetime optimization problem in a multiuser mobile-edge computing (MEC)-enabled Internet of Things (IoT) system comprising an access point (AP), a MEC server, and a set of K mobile devices ...
Vehicular visible light communication with low beam transmitters in the presence of vertical oscillation
(IEEE, 2023-08)
The availability of light-emitting diodes (LEDs) in vehicle exteriors makes possible the use of visible light communication (VLC) as a vehicle-to-vehicle (V2V) wireless connectivity solution. While there has been a growing ...
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