Optimal Relay Placement and Diversity Analysis of Relay-Assisted Free-Space Optical Communication Systems

Mohammadreza A. Kashani; Majid Safari; Murat Uysal

doi:10.1364/JOCN.5.000037

Optimal Relay Placement and Diversity Analysis of Relay-Assisted Free-Space Optical Communication Systems

Mohammadreza A. Kashani^*, Majid Safari, Murat Uysal

^*Corresponding author for this work

School of Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Relay-assisted free-space optical (FSO) transmission exploits the fact that atmospheric turbulence fading variance is distance dependent and yields significant performance gains by taking advantage of the resulting shorter hops. In this paper, we investigate how to determine optimal relay locations in serial and parallel FSO relaying so as to minimize the outage probability and quantify performance improvements obtained through optimal relay placement. We further present a diversity gain analysis for serial and parallel FSO relaying schemes and quantify their diversity advantages in terms of the number of relays and channel parameters.

Original language	English
Pages (from-to)	37-47
Number of pages	11
Journal	IEEE/OSA Journal of Optical Communications and Networking
Volume	5
Issue number	1
DOIs	https://doi.org/10.1364/JOCN.5.000037
Publication status	Published - Jan 2013

Keywords

Cooperative transmission
Diversity order
Fading channels
Free-space optical systems
Relaying
PERFORMANCE ANALYSIS
TURBULENCE CHANNELS
FADING CHANNELS
LINKS
OPTIMIZATION

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title = "Optimal Relay Placement and Diversity Analysis of Relay-Assisted Free-Space Optical Communication Systems",

abstract = "Relay-assisted free-space optical (FSO) transmission exploits the fact that atmospheric turbulence fading variance is distance dependent and yields significant performance gains by taking advantage of the resulting shorter hops. In this paper, we investigate how to determine optimal relay locations in serial and parallel FSO relaying so as to minimize the outage probability and quantify performance improvements obtained through optimal relay placement. We further present a diversity gain analysis for serial and parallel FSO relaying schemes and quantify their diversity advantages in terms of the number of relays and channel parameters.",

keywords = "Cooperative transmission, Diversity order, Fading channels, Free-space optical systems, Relaying, PERFORMANCE ANALYSIS, TURBULENCE CHANNELS, FADING CHANNELS, LINKS, OPTIMIZATION",

author = "Kashani, {Mohammadreza A.} and Majid Safari and Murat Uysal",

year = "2013",

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doi = "10.1364/JOCN.5.000037",

language = "English",

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pages = "37--47",

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T1 - Optimal Relay Placement and Diversity Analysis of Relay-Assisted Free-Space Optical Communication Systems

AU - Kashani, Mohammadreza A.

AU - Safari, Majid

AU - Uysal, Murat

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Y1 - 2013/1

N2 - Relay-assisted free-space optical (FSO) transmission exploits the fact that atmospheric turbulence fading variance is distance dependent and yields significant performance gains by taking advantage of the resulting shorter hops. In this paper, we investigate how to determine optimal relay locations in serial and parallel FSO relaying so as to minimize the outage probability and quantify performance improvements obtained through optimal relay placement. We further present a diversity gain analysis for serial and parallel FSO relaying schemes and quantify their diversity advantages in terms of the number of relays and channel parameters.

AB - Relay-assisted free-space optical (FSO) transmission exploits the fact that atmospheric turbulence fading variance is distance dependent and yields significant performance gains by taking advantage of the resulting shorter hops. In this paper, we investigate how to determine optimal relay locations in serial and parallel FSO relaying so as to minimize the outage probability and quantify performance improvements obtained through optimal relay placement. We further present a diversity gain analysis for serial and parallel FSO relaying schemes and quantify their diversity advantages in terms of the number of relays and channel parameters.

KW - Cooperative transmission

KW - Diversity order

KW - Fading channels

KW - Free-space optical systems

KW - Relaying

KW - PERFORMANCE ANALYSIS

KW - TURBULENCE CHANNELS

KW - FADING CHANNELS

KW - LINKS

KW - OPTIMIZATION

U2 - 10.1364/JOCN.5.000037

DO - 10.1364/JOCN.5.000037

M3 - Article

VL - 5

SP - 37

EP - 47

JO - IEEE/OSA Journal of Optical Communications and Networking

JF - IEEE/OSA Journal of Optical Communications and Networking

SN - 1943-0620

IS - 1

ER -

Optimal Relay Placement and Diversity Analysis of Relay-Assisted Free-Space Optical Communication Systems

Abstract

Keywords

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