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Title: Average symbol error rate analysis of reconfigurable intelligent surfaces-assisted free-space optical link over log-normal turbulence channels
Authors: Duong, Huu Ai
Vuong, Cong Dat
Dang, Dai Tho
Keywords: Average symbol error rate
free-space optical communications
log-normal turbulence channels
quadrature amplitude modulation
reconfigurable intelligent surfaces
Issue Date: Feb-2023
Publisher: International Journal of Electrical and Computer Engineering (IJECE)
Abstract: Optical wireless communication (OWC) has attracted significant interest recently in academia and industry. Free-space optical (FSO) communication systems are where free space acts as a communication channel between transceivers that are line of sight (LOS) for the successful transmission of optical signals. The FSO transmissions through the atmosphere, nevertheless, bring significant challenges, besides the uncertainty of atmospheric channels, especially the signal fading due to the atmospheric turbulence, attenuation and pointing errors caused by the random beam misalignments between transceivers, signal obstruction due to buildings or trees can pre-vent the transmitted message to reach the destination. This study theoretically investigates the average symbol error rate (ASER) of reconfigurable intelligent surfaces (RIS) assisted FSO link over log-normal turbulence channels. The RIS effect is examined by considering the influence of link distance, transmitted optical power, and quadrature amplitude modulation (QAM) scheme on the ASER.
Description: International Journal of Electrical and Computer Engineering (IJECE); Vol. 13, No. 1; pp. 571~578
URI: http://10.11591/ijece.v13i1.pp571-578
ISSN: 2088-8708
Appears in Collections:NĂM 2023

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