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An improved RoFSO network based on MBMD scheme under hazy weather conditions

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Abstract

In order to fulfill the spectrum demand, researchers are progressively exploring the alternatives of Radio communication for last mile connectivity. RoFSO (radio over free space optics) has successfully proven itself as an assuring technique for secure data transmission with significant data rate till last mile. However, it suffers from many atmospheric disturbances and signal impairments with limited reach. The proposed scheme is based on multiple beams multiple detectors (MBMD) configuration which accommodates transmission of multiple optical beams in the channel along with an array of photodetector at the receiver. The scheme delivers an improvement of 5 dB and 12 dB in Q factor against multi-beam and single beam transmission over a distance of 20 km. Further, the count of photodetectors at the receiver is varied to ascertain the impact of array size in presence of multiple beams on the transmission quality. It is revealed that increasing the array size from 4 to 8 APDs enhances the signal quality by 2 dB over a transmission of 20 km.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, GJUS&T, Hisar, India

    Kamaldeep Kaur & Abhimanyu Nain

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  1. Kamaldeep Kaur
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  2. Abhimanyu Nain
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Correspondence to Abhimanyu Nain.

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Kaur, K., Nain, A. An improved RoFSO network based on MBMD scheme under hazy weather conditions. J Opt 52, 1577–1583 (2023). https://doi.org/10.1007/s12596-022-00979-w

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