IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508

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Accurate BER Approximation for SIM with BPSK and Multiple Transmit Apertures over Strong Atmospheric Turbulence
Jinkyu KANGSeongah JEONGHoojin LEE
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JOURNAL RESTRICTED ACCESS Advance online publication

Article ID: 2021EAL2017

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Abstract

In this letter, we derive a novel and accurate closed-form bit error rate (BER) approximation of the optical wireless communications (OWC) systems for the sub-carrier intensity modulation (SIM) employing binary phase-shift keying (BPSK) with multiple transmit and single receive apertures over strong atmospheric turbulence channels, which makes it possible to effectively investigate and predict the BER performance for various system configurations. Furthermore, we also derive a concise asymptotic BER formula to quantitatively evaluate the asymptotically achievable error performance (i.e., asymptotic diversity and combining gains) in the high signal-to-noise (SNR) regimes. Some numerical results are provided to corroborate the accuracy and effectiveness of our theoretical expressions.

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© 2021 The Institute of Electronics, Information and Communication Engineers
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