- Saeed Iqbal1 na1,
- Aadil Raza2 na1,
- Mohammad Kaleem3 na1,
- Muhammad Iqbal4 na1,
- Muhammad Adeel5,6 na1 &
- …
- Salman Ghafoor7 na1
252Accesses
1Citation
Abstract
Free space optical (FSO) communication is a wireless alternative to fiber-based communication as it may provide a backbone emergency communication link in disaster-hit areas. This paper proposes a full duplex millimeter wave (mm-wave) enabled FSO system to provide a high data rate communication link for search and rescue operations. The proposed system consists of a central unit which is connected to multiple unmanned aerial vehicles (UAVs) through an optical-amplify and forward relay over an FSO channel represented by Log-Normal channel model. An optical comb is generated and Laguerre-Gaussian modes of each wavelength of the optical comb are exploited to carry 10 Gbps differential phase shift keying modulated signals. 60 GHz mm-wave signals are generated at the remote UAVs by employing optical heterodyne detection for downlink transmission towards the user equipment. For the uplink transmission, a dedicated wavelength is used to carry 10 Gbps on-off keying baseband data for live streaming of the disaster-hit area. Furthermore, a single hop scheme is employed to counter the non-line of sight issue of the FSO link. The performance of the proposed model is evaluated under different weather conditions and refractive index structure parameter values. A maximum distance of 3.3 km is achieved for clear sky under low turbulence conditions. Moreover, the effect of misalignment due to hovering of the UAVs on the system performance is also investigated and tolerance in the x (horizontal) and y (vertical) directions is observed at the forward error correction BER limit of\(10^{-9}\). The simulation results reveal that the proposed system has the potential to provide reliable and quick emergency communication services in disaster-struck areas.
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Data Availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author upon reasonable request.
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Author information
Saeed Iqbal, Aadil Raza, Mohammad Kaleem, Muhammad Iqbal, Muhammad Adeel and Salman Ghafoor have contributed equally to this work.
Authors and Affiliations
Barani Institute of Information Technology, Rawalpindi, Pakistan
Saeed Iqbal
Department of Physics, COMSATS University Islamabad (CUI), Islamabad, Pakistan
Aadil Raza
Department of Electrical and Computer Engineering, COMSATS University Islamabad (CUI), Islamabad, Pakistan
Mohammad Kaleem
Department of Computer Science, National University of Technology (NUTECH), Islamabad, Pakistan
Muhammad Iqbal
Centres of Excellence in Science and Applied Technologies (CESAT), Islamabad, Pakistan
Muhammad Adeel
The Hong Kong Polytechnic University, Hung Hom, Hong Kong
Muhammad Adeel
SEECS, National University of Sciences and Technology (NUST), Islamabad, Pakistan
Salman Ghafoor
- Saeed Iqbal
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- Aadil Raza
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- Mohammad Kaleem
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- Muhammad Iqbal
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- Muhammad Adeel
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- Salman Ghafoor
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All authors contributed equally to this work.
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Correspondence toSalman Ghafoor.
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Iqbal, S., Raza, A., Kaleem, M.et al. A full duplex LG modes enabled millimeter-wave based FSO communication system for disaster zone.Wireless Netw30, 961–971 (2024). https://doi.org/10.1007/s11276-023-03526-y
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