Advanced Search Results For "DIFFERENTIAL phase shift keying"
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Errorless Underwater Channel Selection Scheme Using Forward Error Rectification and Modulation.
Publication Type: Academic Journal
Source(s): Intelligent Automation & Soft Computing. 2022, Vol. 34 Issue 2, p753-768. 16p.
Abstract: Acoustic and optical communication are the best options for data transmission in underwater communication. This paper presents the simulation model of an underwater wireless optical communication channel using the Errorless Channel Selection Using Forw...
Design and Implementation of Hybrid Medium DP-DQPSK DWDM ROF Transmission System for Different Weather Conditions.
Publication Type: Academic Journal
Source(s): International Journal of Interactive Mobile Technologies. 2022, Vol. 16 Issue 10, p223-243. 21p.
Abstract: This document Designing system with Free-space optical (FSO) communication can supply high-speed digital data linkages to rural regions where geography, setup costs, and groundwork safety are major obstacles. Transmission impairments and space loss cou...
Design and Evaluation Study of Performance of Optical Wireless Sensors Network for Achieving High Data Rate and Power Saving.
Publication Type: Academic Journal
Source(s): International Journal of Interactive Mobile Technologies. 2021, Vol. 15 Issue 14, p38-54. 17p.
Abstract: This research study, examines the design and evaluates the performance of the Underwater channel of Optical Wireless Communication systems (UOWC). These systems are implemented through medium communication link ranges for the purpose to overcome absorp...
A New Reconfigurable Intelligent-Surface-Assisted LoRa System.
Publication Type: Academic Journal
Source(s): IEEE Transactions on Vehicular Technology. Aug2022, Vol. 71 Issue 8, p9055-9060. 6p.
Abstract: Although LoRa modulation can achieve low-power and long-range transmission, its performance is significantly affected by fading channels. On the other hand, its low data rate limits the capacity. To mitigate these disadvantages, a new reconfigurable in...
A Novel 60 Gbps Bidirectional Free Space Optical Link Based on a Single Laser Source.
Publication Type: Academic Journal
Source(s): Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ). Nov2022, Vol. 47 Issue 11, p14721-14729. 9p.
Abstract: We propose a single laser source-based free space optical link for transmission of bidirectional data of three different channels between modular data centers, where each channel has a data rate of 20 Gbps. The downlink channels are transmitted using a...
Performance investigation of DQPSK modulated ultra dense WDM system for different pulse shapes under the effect of various transmission impairments.
Publication Type: Academic Journal
Source(s): Optical & Quantum Electronics. Oct2022, Vol. 54 Issue 10, p1-25. 25p.
Abstract: In this paper, we have designed an ultra-dense wavelength division multiplexing system for 450 channels with a bit rate of 160 Gb/s per channel based on the high spectral efficient differential quadrature phase shift keying (DQPSK) modulation technique...
Impact of misalignment parameter on performance of free-space optical communication system.
Publication Type: Academic Journal
Source(s): Optical & Quantum Electronics; Feb2023, Vol. 55 Issue 2, p1-9, 9p
Abstract: Copyright of Optical & Quantum Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, do...
A cascaded FBG scheme based OQPSK/DPSK modulation for chromatic dispersion compensation.
Publication Type: Academic Journal
Source(s): Optical & Quantum Electronics. Jul2022, Vol. 54 Issue 7, p1-15. 15p.
Abstract: The aim of this study is to present a proposed chromatic dispersion compensation model for single mode optical fiber. The proposed model consists of 4-stages of cascaded identical linear chirped fiber Bragg grating (CFBG) in post-compensation connectio...
BER performance analysis of a non-Hermitian coherent optical OFDM FSO system with polarization diversity using various atmospheric turbulent channel models.
Publication Type: Academic Journal
Source(s): Optical & Quantum Electronics. May2022, Vol. 54 Issue 5, p1-14. 14p.
Abstract: In this research article, we investigate the impact of different atmospheric turbulence along with polarization crosstalk on the bit error rate (BER) performance of a non-Hermitian orthogonal frequency division modulated (OFDM) free-space optical (FSO)...
All-optical wavelength conversion of 80 gbps CSRZ-DPSK data signal using cross polarization modulation in single wideband SOA with sub-mw pump power.
Publication Type: Academic Journal
Source(s): Optical & Quantum Electronics. May2022, Vol. 54 Issue 5, p1-17. 17p.
Abstract: Multiplexing concepts like WDM and DWDM are being employed for effective utilization of fiber bandwidth. Wavelength conversion at key network nodes can allow the deployment of these technologies in addition to wavelength routing, contention resolution ...