Differential Signalling in Free-Space Optical Communication Systems [PDF]
Applied Sciences, 2018 In this paper, we review the differential signalling techniques and investigate its implementation of in free-space optical (FSO) communication systems.
Mojtaba Mansour Abadi +5 more
doaj +8 more sources
HARQ Performance Limits for Free-Space Optical Communication Systems [PDF]
EntropyFree-space optical (FSO) communications represent an attractive technology for future high-capacity wireless and satellite networks, offering multi-Gbps data rates, unlicensed spectrum, and built-in physical-layer security.
Giorgio Taricco
doaj +2 more sources
Free Space Optical Communication in Long-Reach Unidirectional Ring-Architecture Fiber Network [PDF]
IEEE Access, 2020 In the work, a ring-constructed wavelength-division-multiplexing (WDM) access system for delivering multiple free space optical (FSO) wireless signals is investigated.
Chien-Hung Yeh +4 more
doaj +2 more sources
INVESTIGATION ON HYBRID WDM (DWDM+CWDM) FREE SPACE OPTICAL COMMUNICATION SYSTEM [PDF]
ICTACT Journal on Communication Technology, 2015 Free Space Optical (FSO) communication is being realized as an effective solution for future accessing networks, offering light passed through air. The performance of FSO can be primarily degraded by various atmospheric attenuation namely, rain, fog ...
S. Robinson, S. Jasmine, R. Pavithra
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RZ-DPSK Optical Modulation For free Space Optical Communication Satellites [PDF]
, 2017 We demonstrate up to 4 dB improvement in optical receiver sensitivity using Return-to-Zero Differential Phase Shift Keying (RZ-DPSK) modulation compared with Non-Return-to-Zero On Off Keying (NRZ-OOK) in free space optical communication from satellite to
Elayoubi, Karim +5 more
core +2 more sources
Compensation-free high-dimensional free-space optical communication using turbulence-resilient vector beams [PDF]
Nature Communications, 2021 Resistance to turbulence is an ongoing challenge for point-to-point freespace communications. Here the authors present a protocol for encoding a large amount of information in vector beams that are transmittable through a moderately strong turbulent ...
Ziyi Zhu +9 more
doaj +2 more sources
Beyond Fiber: Toward Terahertz Bandwidth in Free-Space Optical Communication [PDF]
SensorsThe rapid advancement of terahertz (THz) communication systems has positioned this technology as a key enabler for next-generation telecommunication networks, including 6G, secure communications, and hybrid wireless-optical systems.
Rahat Ullah +8 more
doaj +2 more sources
Communication theory for the free space optical channel Interim technical report [PDF]
, 1970 Quantum detectors, noise mechanisms, and application to optical communication ...
Gagliardi, R., Karp, S., Oneill, E.
core +2 more sources
From Mirrors to Free-Space Optical Communication—Historical Aspects in Data Transmission [PDF]
Future Internet, 2020 Fast communication is of high importance. Recently, increased data demand and crowded radio frequency spectrum have become crucial issues. Free-Space Optical Communication (FSOC) has diametrically changed the way people exchange information.
Magdalena Garlinska +3 more
doaj +2 more sources
High-performance 100 Gbps free-space optical communication via optical pin beam receiver [PDF]
Communications EngineeringFree-space optical communication with high transmission bandwidth and small antenna size has been progressively deployed for ground-air-space communications in recent years.
Meiling Guan +15 more
doaj +2 more sources