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Cloud-induced fading is occasional but one of the main impairments affecting freespace optics (FSO). In this paper, the bit error rate of intensity modulated FSO with direct detection (IM/DD) in single-input single-output (SISO) over Ray Leigh fading channels has been represented. It has been assumed that a single information-bearing signal is transmitted over fading channels. Only the effects of amplitude fluctuation have been considered. The expression for BER by finding the conditional probability of Bit Error has been expressed, for given amplitude fading and then averaging the conditional probability. The analytical derivations are built upon by considering that perfect inter symbol interference (ISI) due to broadening of the optical pulses arriving at the receiver. The performance of the FSO link by quantifying BER for different carrier wavelengths and for various transmission bit rate of the communication over cloud-induced fading channel has been investigated.
Abu Jahid. 2015. \u201cBit Error Rate (BER) Performance of a Free Space Optical (FSO) Link Considering the Effect of Cloud-Induced Fading\u201d. Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 15 (GJRE Volume 15 Issue F6): .
Crossref Journal DOI 10.17406/gjre
Print ISSN 0975-5861
e-ISSN 2249-4596
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Total Score: 102
Country: Bangladesh
Subject: Global Journal of Research in Engineering - F: Electrical & Electronic
Authors: Abu Jahid, Md. Mehedi Hasan (PhD/Dr. count: 0)
View Count (all-time): 264
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Publish Date: 2015 08, Thu
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Cloud-induced fading is occasional but one of the main impairments affecting freespace optics (FSO). In this paper, the bit error rate of intensity modulated FSO with direct detection (IM/DD) in single-input single-output (SISO) over Ray Leigh fading channels has been represented. It has been assumed that a single information-bearing signal is transmitted over fading channels. Only the effects of amplitude fluctuation have been considered. The expression for BER by finding the conditional probability of Bit Error has been expressed, for given amplitude fading and then averaging the conditional probability. The analytical derivations are built upon by considering that perfect inter symbol interference (ISI) due to broadening of the optical pulses arriving at the receiver. The performance of the FSO link by quantifying BER for different carrier wavelengths and for various transmission bit rate of the communication over cloud-induced fading channel has been investigated.
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