Results 21 to 30 of about 2,932,043 (287)

Green Communication via Power-optimized HARQ Protocols [PDF]

open access: yes, 2013
Recently, efficient use of energy has become an essential research topic for green communication. This paper studies the effect of optimal power controllers on the performance of delay-sensitive communication setups utilizing hybrid automatic repeat ...
Amat, Alexandre Graell i   +2 more
core   +2 more sources

Optically Powered Communication System With Distributed Amplifiers [PDF]

open access: yesJournal of Lightwave Technology, 2010
An optically powered communication system with distributed amplification is demonstrated using either distributed parametric amplification (DPA) or distributed Raman amplification (DRA) within the dispersion-shifted fiber (DSF) and single-mode fiber (SMF).
Yuk, TI   +4 more
openaire   +3 more sources

Expanding cellular coverage via cell-edge deployment in heterogeneous networks: spectral efficiency and backhaul power consumption perspectives [PDF]

open access: yes, 2014
Heterogeneous small-cell networks (HetNets) are considered to be a standard part of future mobile networks where operator/consumer deployed small-cells, such as femtocells, relays, and distributed antennas (DAs), complement the existing macrocell ...
Imran, Muhammad   +4 more
core   +1 more source

Design and Implementation of Low Voltage Power Communication System Based on Single Frequency Communication

open access: yesZhongguo dianli, 2023
In order to improve the reliability of low voltage power line communication, a low voltage power line carrier single frequency communication system is proposed, which integrates the single frequency communication and low-voltage power line communication.
Peiling ZHANG, Keke ZHAO
doaj   +1 more source

Analysis of Electromagnetic–Mechanical Characteristics according to Shaft Materials of Permanent Magnet Synchronous Motor

open access: yesEnergies, 2022
In this paper, an analysis of electromagnetic–mechanical characteristics according to the shaft materials of a permanent magnet synchronous motor was performed.
Jeong-In Lee   +3 more
doaj   +1 more source

A New Coupling Solution for G3-PLC Employment in MV Smart Grids

open access: yesEnergies, 2019
This paper proposes a new coupling solution for transmitting narrowband multicarrier power line communication (PLC) signals over medium voltage (MV) power lines.
Giovanni Artale   +7 more
doaj   +1 more source

Narrow Linewidth Half-Open-Cavity Random Laser Assisted by a Three-Grating Ring Resonator for Strain Detection

open access: yesSensors, 2022
A stabilized narrow-linewidth random fiber laser for strain detection, based on a three-grating ring (TGR) resonator and half-open-cavity structure, is proposed and investigated experimentally.
Bing Lv   +4 more
doaj   +1 more source

Energy efficiency contours for single-carrier downlink channels [PDF]

open access: yes, 2011
Energy efficiency has become an important aspect of wireless communication, both economically and environmentally. This letter investigates the energy efficiency of downlink AWGN channels by employing multiple decoding policies.
Akbari, Amir   +3 more
core   +1 more source

POWER LINE COMMUNICATION SYSTEM

open access: yesINTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT
Power Line Communication System (PLCS) is an emerging technology that utilizes existing electrical power infrastructure for data transmission. Devices can exchange data and access communication via the power grid thanks to its ability to provide communication across power lines.
null Akshay Charpe   +2 more
openaire   +1 more source

A direct-sequence spread-spectrum communication system for integrated sensor microsystems [PDF]

open access: yes, 2005
Some of the most important challenges in health-care technologies have been identified to be development of noninvasive systems and miniaturization.
Arslan, T., Aydin, N., Cumming, D.R.S.
core   +1 more source

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