Optimal imaging receiver design for high-speed mobile optical wireless communications

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Soltani, Mohammad Dehghani and Kazemi, Hossein and Sarbazi, Elham and Haas, Harald and Safari, Majid; (2022) Optimal imaging receiver design for high-speed mobile optical wireless communications. In: 2022 IEEE International Conference on Communications Workshops, ICC Workshops 2022. IEEE, Piscataway, NJ, pp. 439-444. ISBN 9781665426718 (https://doi.org/10.1109/iccworkshops53468.2022.981...)

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Abstract

The optical receivers suitable for the next generation of optical wireless networks need to be ultra-high-speed while having a wide field of view (FOV) to accommodate user mobility. The design of such receivers is challenging due to two known trade-offs, namely, the area-bandwidth and the gain-FOV. In this study, we consider these trade-offs and formulate an optimisation problem to design imaging receivers that can achieve maximum high speed while satisfying a minimum FOV requirement. The design will be based on an array of arrays of photodetectors for which we present analytical derivations of signal-to-noise ratio (SNR) assuming maximum ratio combining (MRC). Practical considerations and non-idealities have been considered in our design and the reliability of the analytical model is verified by Optic Studio-based simulations. The optimization problem is solved assuming on-off keying (OOK) modulation. The results show a trade-off between achievable data rate and FOV. For example, it is demonstrated that a data rate of ~23 Gbps is achievable with a receiver of at most 2 cm x 2 cm dimensions with a FOV of 15°. However, a receiver with the same dimensions may only achieve ~8 Gbps if the FOV requirement increases to 20°.

ORCID iDs

Soltani, Mohammad Dehghani, Kazemi, Hossein, Sarbazi, Elham ORCID logoORCID: https://orcid.org/0000-0002-7506-2666, Haas, Harald and Safari, Majid;
  • Item type:Book Section
    ID code:81854
    Dates:
    Date
    Event
    11 July 2022
    Published
    21 March 2022
    Accepted
    Notes:© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:12 Aug 2022 10:03
    Last modified:21 Dec 2024 01:07
    URI:https://strathprints.strath.ac.uk/id/eprint/81854
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