Results 41 to 50 of about 8,972 (224)
The effect of atmospheric turbulence on the performance of the free space optical communications [PDF]
, 2008 In free space optical (FSO) communication links, atmospheric turbulence has a significant impact on the quality of a laser beam propagating through the atmosphere.
Ghassemlooy, Zabih +7 more
core +1 more source
Effects of Atmospheric Turbulence on Optical Wireless Communication in NEOM Smart City
Photonics, 2022 The foundation of any smart city requires an innovative and robust communication infrastructure. Many research communities envision free-space optical communication (FSO) as a promising backbone technology for the services and applications provided by ...
Ayshah S. Alatawi +4 more
doaj +1 more source
Performances Study of PSK and ASK Modulation Technique under Atmospheric Turbulence in FSO Communication System [PDF]
Engineering and Technology JournalThe performance and reliability of a free-space optical (FSO) communication system can be greatly increased using various methods. The primary goal of each technique is to reduce the effect of disturbances that lead to intensity or phase fluctuations in ...
Esraa Al – Gazzi +2 more
doaj +1 more source
On secrecy analysis of wireless-powered relaying FSO-RF systems
, 2021 We investigate the physical-layer security performance for a wireless-powered relaying mixed free-space optical-radio frequency (FSO-RF) system. In this system, a source transmits optical information to a relay (R), which decodes the received signal with
Pan, Gaofeng +3 more
core +1 more source
Analysis and evaluation of optimum wavelengths for free-space optical transceivers [PDF]
, 2010 The objective of this paper is to analyse and present the latest results obtained for free-space optics (FSO) within the EU COST Action IC-0802 and within the European Space Agency (ESA) contract.
Z. Ghassemlooy +15 more
core +1 more source
Optimal Multiple FSO Transceiver Configuration for Using on High-Altitude Platforms
IEEE Access, 2023 Free-space optical (FSO) communication requires light of sight (LoS) between the transmitter and the receiver. For long-distance communication, many research projects have been conducted towards using a network composed of high-altitude platforms (HAPs ...
Dieu Linh Truong, The Ngoc Dang
doaj +1 more source
IEEE Photonics Journal, 2022 The scheme of combining relay and optical code division multiple access (OCDMA) is one of the effective methods to improve the reliability and security of free space optical (FSO) communication system.
Jianhua Ji +4 more
doaj +1 more source
Weather Effects on FSO Network Connectivity
Journal of Optical Communications and Networking, 2012 The use of relays is one of the most promising methods for mitigating impairments of the performance of free-space optical (FSO) systems and extending their limited transmission range. However, several factors contribute to significant link performance degradation.
Alexander Vavoulas +2 more
openaire +2 more sources
Advances in Electrical and Electronic Engineering, 2014 The use of LED for illumination and communication together is more and more interesting with the increasing deployment of LEDs to our homes and industrial buildings.
Stanislav Hejduk +5 more
doaj +1 more source
Adaptive-Combining-Based Hybrid FSO/RF Satellite Communication With and Without HAPS
IEEE Access, 2021 In recent years, a growing interest has been witnessed in the usage of free space optics (FSO) link for satellite communication (SATCOM) scenarios, as it offers much higher data rates up to gigabits per second (Gbps) compared to existing radio frequency (
Suyash Shah +4 more
doaj +1 more source