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Relay Selection Protocols for Relay-Assisted Free-Space Optical Systems
2012
Journal of Optical Communications and Networking
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We investigate transmission protocols for relayassisted free-space optical (FSO) systems, when multiple parallel relays are employed and there is no direct link between the source and the destination. ...
Numerical results for equal and non-equal length FSO links illustrate the merits of the proposed relay selection protocols compared to the all-active scheme and demonstrate the significant power savings ...
Fig. 2 . 2 Comparison of the relaying protocols for a relay-assisted FSO system with d SR i = d R i D = 2 km, i ∈ {1, . . . , N}. ...
doi:10.1364/jocn.5.000092
fatcat:4ltafq3i5jgczjcbzugpac4bvu
Relay Selection in Relay-Assisted Free Space Optical Systems
2011
2011 IEEE Global Telecommunications Conference - GLOBECOM 2011
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We investigate transmission protocols for relayassisted free-space optical (FSO) systems, when multiple parallel relays are employed and there is no direct link between the source and the destination. ...
For both relay selection and all-active relaying, novel analytical closed-form expressions for their outage performance are derived, assuming the Gamma-Gamma channel model. ...
INTRODUCTION The constant need for higher data rates in support of highspeed applications has led to the development of the Free Space Optical (FSO) communication technology. ...
doi:10.1109/glocom.2011.6134064
dblp:conf/globecom/ChatzidiamantisMKKS11
fatcat:geeqb3f7gfgyfmwyhi6lntw4ca
Rate-adaptive selective relaying using time diversity for relay-assisted FSO communications
2015
2015 IEEE Global Conference on Signal and Information Processing (GlobalSIP)
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Rubén Boluda-Ruiz Free-space optics (FSO) Global SIP 2015 5 / 22 Error-rate performance analysis for a 3-way cooperative FSO system J The motivation is to analyze the error-rate performance for a 3-way ...
Rubén Boluda-Ruiz Free-space optics (FSO) Global SIP 2015 16 / 22 ...
Rubén Boluda-RuizFree-space optics (FSO) Global SIP 2015 ...
doi:10.1109/globalsip.2015.7418416
dblp:conf/globalsip/Boluda-RuizGCC15
fatcat:hjp3nbrmx5h6dilbxe3zbfaduu
Performance Improvement of Free Space Optical Communication (FSO) Using the Innovative Relay Selection and Optimal Power Allocation Technique
2021
International Journal of Computing and Digital Systems
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The proposed selective active relay protocol overcomes these effects by improving the performance of the link using compact data sharing through optical wireless channels. ...
Keeping in view the exponential growth in the telecommunication industry supported with large bandwidth technologies, the free space optical communication (FSO) seems a promising alternative solution. ...
ACKNOWLEDGMENT We express our sincere thanks to the DRC committee for timely valuable suggestions. ...
doi:10.12785/ijcds/1001108
fatcat:xiqxju453nh7rjbjdz32ajq3au
Protocols for Relay-Assisted Free-Space Optical Systems
[article]
2011
arXiv
pre-print
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We investigate transmission protocols for relay-assisted free-space optical (FSO) systems, when multiple parallel relays are employed and there is no direct link between the source and the destination. ...
For both relay selection and all-active relaying, novel closed-form expressions for their outage performance are derived, assuming the versatile Gamma-Gamma channel model. ...
INTRODUCTION The constant need for higher data rates in support of high-speed applications has led to the development of the Free Space Optical (FSO) communication technology. ...
arXiv:1105.3835v1
fatcat:u57o3sepurcgjjayf2p4dpow6q
Performance Comparison of two novel Relay-Assisted Hybrid FSO / RF Communication Systems
[article]
2018
arXiv
pre-print
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In this manuscript, two novel multi-hop relay-assisted hybrid Free Space Optical / Radio Frequency (FSO / RF) communication systems are presented and compared. ...
This is the first time that in a multihop hybrid FSO / RF structure, Detect and Forward protocol is used. ...
, Iran
E-mail: m_amirabadi@elec.iust.ac.ir
Abstract: In this manuscript, two novel multi-hop relay-assisted hybrid Free Space Optical / Radio Frequency (FSO / RF)
communication systems are presented ...
arXiv:1802.07335v2
fatcat:bydwnbl4yra5za7ejuv7e4ghte
Relay-Assisted Technology in Optical Wireless Communications: A Survey
2020
IEEE Access
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RELAY SELECTION IN OPTICAL WIRELESS COMMUNICATIONS There are two methods about relay-assisted technology: one-way relay system and two-way relay system. ...
RELAY FORMS IN OUTDOOR OPTICAL WIRELESS COMMUNICATIONS OOWC is that modulated laser beams transmit optical signals through free space in wireless way [41] . ...
doi:10.1109/access.2020.3031288
fatcat:btvricldhncjfitqtyls4c5by4
Centralized Relay Selection and Optical Filtering Based System Design for Reliable Free Space Optical Communication over Atmospheric Turbulence
2020
International Journal of Computer Network and Information Security
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They also reduce the cost of 30 Centralized Relay Selection and Optical Filtering Based System Design for Reliable Free Space Optical Communication over Atmospheric Turbulence ...
In the free space environment, the various techniques have been adopted for turbulence management over FSO systems. ...
Strong
(σ 2 >>1)
Centralized Relay Selection and Optical Filtering Based System Design for Reliable Free Space Optical Communication over Atmospheric Turbulence Copyright © 2020 MECS I.J. ...
doi:10.5815/ijcnis.2020.01.04
fatcat:3c637w3z7zagrlazjzfl6dblpy
Contents
2011
2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)
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939 zhaojun he, tian liu, youxi tang, qiang xu, wensheng pan A Novel Design of Cognitive Wireless Networks-Architecture and Testbed 944 All-optical VPN in optical OFDMA-based PON for integration of optical ...
wireless network selection algorithm based on non-720 cooperative game theory A New Improved MAC Scheme: RM-MAC 822 wenbin zhang, xiaozong yang, shaochuan wu The UESTC Reconfigurable Cognitive Radio Testbed ...
over LTE Based on Retrial Calling 771 Model Lin Ma, Shouming Wei, Wei Qiang Influence of Aberrations of Receiver Antenna on Heterodyne Efficiency in 776 Free-space Optical Communications Based on Heterodyne ...
doi:10.1109/chinacom.2011.6158106
fatcat:wwiuivqaejhcnpyglnodfcnqem
Recent advances in cooperative communications for wireless systems
2011
Physical Communication
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We would also like to thank all reviewers for their thorough and valuable evaluation of the papers within the short stipulated time. ...
Acknowledgments The guest editors of this Special Issue wish to thank all the contributing authors for submitting high quality papers to this special issue. ...
The protocol implements both on-demand relaying and a selection of the best relay terminal so only one terminal is relaying the source message when cooperation is needed. ...
doi:10.1016/j.phycom.2011.08.001
fatcat:wehtnkagkrawrhvgrqudvtyn3e
Partial Relay Selection For Hybrid RF/FSO Systems with Hardware Impairments
[article]
2019
arXiv
pre-print
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In this paper, we investigate the performance analysis of dual hop relaying system consisting of asymmetric Radio Frequency (RF)/Free Optical Space (FSO) links. ...
We also introduce impairments to our model and we suggest Partial Relay Selection (PRS) protocol with Amplify-and-Forward (AF) fixed gain relaying. ...
Also, mixed RF/FSO systems with multiple relays employ many relay selection protocols like best and opportunistic relay selection [10] , [11] , [12] , partial relay selection [10] , [11] , [13] ...
arXiv:1901.05097v1
fatcat:3ete75hfgrhzdkdl7uovll644q
Two-Way Relay Selection in Multiple Relayed FSO Networks
2015
IEEE Wireless Communications Letters
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In this letter, a parallel relayed free-space optical (FSO) network is considered. ...
with the maximum achievable-rate is selected for communication. ...
Hence, for TWR assisted systems, an achievable-rate based relay selection scheme is more suitable in comparison to SNR based selection. ...
doi:10.1109/lwc.2015.2442988
fatcat:x52uojumbncanah4eww5xyouhe
Multiuser Cooperative Diversity for Wireless Networks
2006
EURASIP Journal on Wireless Communications and Networking
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Multihop relaying technology is a promising solution for future cellular and ad hoc wireless communications systems in order to achieve broader coverage and to mitigate wireless channels impairment without ...
It is shown that by using decode-forward relay signaling, the transmission is interference-free, even when all communications share one common physical medium. ...
His major research interests include wireless communications theory, digital communications over fading channels, cooperative diversity systems, satellite communications, and free-space optical communications ...
doi:10.1155/wcn/2006/17202
fatcat:vp5jwibdtnd73agsi65itbe6pe
Simple-DF versus selective-DF relaying over Rayleigh turbulence-induced FSO fading channels
2013
2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)
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In this paper, we consider the problem of relayassisted free-space optical (FSO) transmissions. ...
We evaluate the diversity orders that can be achieved by simple-DF and selective-DF relaying protocols over quantum-limited FSO systems that are subject to Rayleigh fading. ...
INTRODUCTION There has been a growing interest in applying the cooperative techniques in the context of Free-Space Optical (FSO) communications [1] - [9] . ...
doi:10.1109/pimrc.2013.6666299
dblp:conf/pimrc/Abou-Rjeily13
fatcat:zfmopsghtzfc3dogvqs34iewzu
A Survey on Recent Work in Hybrid FSO/RF Communication Link
2019
International Journal of Electronics Communication & Instrumentation Engineering Research and Development
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With the worldwide demand for higher bandwidth and speed, Free Space Optics (FSO) has emerged as a promising field to meet the requirement. ...
However, simple FSO system faces a drawback of loss of data when transmitted through turbulent atmosphere. ...
INTRODUCTION Free space optics (FSO) are the communication system in which the information is sent from transmitter to receiver through the atmosphere as unguided medium. ...
doi:10.24247/ijecierdjun20194
fatcat:7dho3stlsjclfhqejqnkrdtyb4
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