Results 121 to 130 of about 8,972 (224)

Joint Adaptive Modulation and Combining for Hybrid FSO/RF Systems

open access: yes, 2015
In this paper, we present and analyze a new transmission scheme for hybrid FSO/RF communication system based on joint adaptive modulation and adaptive combining.
Gebali, Fayez   +3 more
core   +1 more source

Optical spatial diversity for FSO communications

open access: yes, 2019
The performance of the terrestrial free-space optical (FSO) communication is adversely affected by atmospheric conditions such as fog, rain, dust particles, and smoke.
Ahmad, Zahir   +3 more
core   +1 more source

Outage Probability Analysis of Triple-Hybrid Rf/Fso Communication System

open access: yes
Terahertz (THz) and free space optical (FSO) transmission techniques are considered as alternatives for radio frequency (RF) transmission to meet the requirements for the sixth generation and beyond wireless communication systems.
Ahrazoglu, Evla Safahan   +3 more
core   +1 more source

Subcarrier intensity modulated free-space optical communication systems

open access: yes
This thesis investigates and analyses the performance of terrestrial free-space optical communication (FSO) system based on the phase shift keying pre-modulated subcarrier intensity modulation (SIM).
Popoola, Wasiu Oyewole
core  

The New Statistical Model for FSO Systems

open access: yes, 2014
- FSO technology is a progressive implementation of smart network solutions these days. The link speed, low cost, a fast implementation are just a few advantages of many other. Despite all those strengths there is at least one limitation.
Ján Turán   +2 more
core  

Chalmers Publication Library Performance analysis of RF-FSO multi-hop networks Performance analysis of RF-FSO multi-hop networks

open access: yes, 2020
-We study the performance of multi-hop networks composed of millimeter wave (MMW)-based radio frequency (RF) and free-space optical (FSO) links. The results are obtained in the cases with and without hybrid automatic repeat request (HARQ). Taking the MMW
Tommy Svensson   +3 more
core  

Performance analysis of switching based hybrid FSO/RF transmission

open access: yes, 2014
Hybrid free space optical (FSO)/ radio frequency (RF) systems have emerged as a promising solution for high data rate wireless back haul.We present and analyze a switching based transmission scheme for hybrid FSO/RF system. Specifically, either FSO or RF
Usman, Muneer   +5 more
core   +1 more source

Performance Analysis of Hybrid FSO/RF Communication System

open access: yes, 2017
Free space optical and RF can be combined using millimeter wavelength to form a hybrid FSO/RF which can improve the performance of the communication system. This is due to the fact that both FSO and RF links experience di fferent e ffects when it comes
Lashari, Noman
core  

Feasibility of QKD over FSO Link

open access: yes, 2012
Due to the advancements in the field of quantum computing and possible compromise of existing key-exchange algorithms, it is essential to explore performance and efficiency of new key-exchange techniques, such as Quantum Key Distribution (QKD).
Husagić-Selman, Alma   +2 more
core  

Switching-based hybrid FSO/RF transmission for cooperative communication system

open access: yes, 2017
Recent advancements in free-space optical(FSO) communications have allowed it to emerge as a viable alternative to today's wireless connections. FSO has been proposed to be a mean of signi cantly increasing bandwidth and reliability in wireless ...
Chau, Jing Sheng
core  

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