Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels

Praveen K. Singya; Nagendra Kumar; Vimal Bhatia; Faheem A. Khan

doi:10.1016/j.aeue.2018.06.026

Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels

Praveen K. Singya, Nagendra Kumar, Vimal Bhatia, Faheem A. Khan

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

16 Citations (Scopus)

Abstract

In this paper, performance of an orthogonal frequency division multiplexing (OFDM) based 3-hop variable-gain amplify and forward (AF) relaying network is analyzed over independent and non-identically distributed (i.n.i.d.) mixed Rician/Rayleigh fading environment. Analytical expression of outage probability is derived and diversity order of the considered system is found. Further, average symbol error rate (ASER) expressions of general order hexagonal quadrature amplitude modulation (HQAM), general order rectangular QAM (RQAM) and 32-XQAM are derived. A comparative analysis of ASER for different QAM schemes with different constellations is also presented. Ergodic capacity with optimum rate adaptation is also derived for the considered system model. Further, the impact of Rician K-factor on the performance of the considered system is highlighted. Finally, the derived analytical results are verified through Monte-Carlo simulations for different signal-to-noise ratio (SNR) levels.

Original language	English
Pages (from-to)	337-347
Number of pages	11
Journal	AEU - International Journal of Electronics and Communications
Volume	93
Early online date	22 Jun 2018
DOIs	https://doi.org/10.1016/j.aeue.2018.06.026
Publication status	Published - 1 Sep 2018

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Performance Analysis of OFDM Based 3-hop AF Relaying Network over Mixed RicianRayleigh Fading ChannelsAccepted author manuscript, 427 KBLicence: CC BY-NC-ND

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@article{27523162081345d8a05eadaf7703c515,

title = "Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels",

abstract = "In this paper, performance of an orthogonal frequency division multiplexing (OFDM) based 3-hop variable-gain amplify and forward (AF) relaying network is analyzed over independent and non-identically distributed (i.n.i.d.) mixed Rician/Rayleigh fading environment. Analytical expression of outage probability is derived and diversity order of the considered system is found. Further, average symbol error rate (ASER) expressions of general order hexagonal quadrature amplitude modulation (HQAM), general order rectangular QAM (RQAM) and 32-XQAM are derived. A comparative analysis of ASER for different QAM schemes with different constellations is also presented. Ergodic capacity with optimum rate adaptation is also derived for the considered system model. Further, the impact of Rician K-factor on the performance of the considered system is highlighted. Finally, the derived analytical results are verified through Monte-Carlo simulations for different signal-to-noise ratio (SNR) levels.",

keywords = "OFDM, Rician fading, ASER, hexagonal QAM (HQAM), Rectangular QAM (RQAM), Cross QAM (XQAM), Ergodic capacity",

author = "Singya, {Praveen K.} and Nagendra Kumar and Vimal Bhatia and Khan, {Faheem A.}",

year = "2018",

month = sep,

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doi = "10.1016/j.aeue.2018.06.026",

language = "English",

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journal = "AEU - International Journal of Electronics and Communications",

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TY - JOUR

T1 - Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels

AU - Singya, Praveen K.

AU - Kumar, Nagendra

AU - Bhatia, Vimal

AU - Khan, Faheem A.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - In this paper, performance of an orthogonal frequency division multiplexing (OFDM) based 3-hop variable-gain amplify and forward (AF) relaying network is analyzed over independent and non-identically distributed (i.n.i.d.) mixed Rician/Rayleigh fading environment. Analytical expression of outage probability is derived and diversity order of the considered system is found. Further, average symbol error rate (ASER) expressions of general order hexagonal quadrature amplitude modulation (HQAM), general order rectangular QAM (RQAM) and 32-XQAM are derived. A comparative analysis of ASER for different QAM schemes with different constellations is also presented. Ergodic capacity with optimum rate adaptation is also derived for the considered system model. Further, the impact of Rician K-factor on the performance of the considered system is highlighted. Finally, the derived analytical results are verified through Monte-Carlo simulations for different signal-to-noise ratio (SNR) levels.

AB - In this paper, performance of an orthogonal frequency division multiplexing (OFDM) based 3-hop variable-gain amplify and forward (AF) relaying network is analyzed over independent and non-identically distributed (i.n.i.d.) mixed Rician/Rayleigh fading environment. Analytical expression of outage probability is derived and diversity order of the considered system is found. Further, average symbol error rate (ASER) expressions of general order hexagonal quadrature amplitude modulation (HQAM), general order rectangular QAM (RQAM) and 32-XQAM are derived. A comparative analysis of ASER for different QAM schemes with different constellations is also presented. Ergodic capacity with optimum rate adaptation is also derived for the considered system model. Further, the impact of Rician K-factor on the performance of the considered system is highlighted. Finally, the derived analytical results are verified through Monte-Carlo simulations for different signal-to-noise ratio (SNR) levels.

KW - OFDM

KW - Rician fading

KW - ASER

KW - hexagonal QAM (HQAM)

KW - Rectangular QAM (RQAM)

KW - Cross QAM (XQAM)

KW - Ergodic capacity

U2 - 10.1016/j.aeue.2018.06.026

DO - 10.1016/j.aeue.2018.06.026

M3 - Article

VL - 93

SP - 337

EP - 347

JO - AEU - International Journal of Electronics and Communications

JF - AEU - International Journal of Electronics and Communications

SN - 1434-8411

ER -

Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels

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