Design Tradeoffs of Non-Imaging Angle Diversity Receivers for 6G Optical Wireless Access Networks

Elham Sarbazi, Hossein Kazemi, Mohammad Dehghani Soltani, Majid Safari, Harald Haas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract / Description of output

To achieve multi-Gb/s data rates in 6G optical wireless networks based on narrow infrared (IR) laser beams, a high-speed receiver with two key specifications is needed: a sufficiently large aperture to collect the required optical power and a wide field of view (FOV). This paper investigates the design tradeoffs for a non-imaging angle diversity receiver (ADR) coupled with photodiode (PD) arrays for laser-based optical wireless communication (OWC) with the aim to achieve data rates higher than 10 Gb/s and a half-angle FOV of 30∘ . The design tradeoffs include the gain-FOV tradeoff for each element of the receiver and the area-bandwidth tradeoff for each PD array. Taking both tradeoffs into account, the rate maximisation is formulated as a non-convex optimisation problem to find the optimal configuration of the receiver bandwidth and FOV under the minimum FOV constraint. A low-complexity optimal solution is proposed and the ADR performance is studied using computer simulations.
Original languageEnglish
Title of host publicationGLOBECOM 2022 - 2022 IEEE Global Communications Conference
PublisherIEEE Xplore
ISBN (Electronic)978-1-6654-3540-6
Publication statusE-pub ahead of print - 11 Jan 2023
Event2022 IEEE Global Communications Conference, GLOBECOM 2022 -
Duration: 4 Dec 2022 → …


Conference2022 IEEE Global Communications Conference, GLOBECOM 2022
Period4/12/22 → …

Keywords / Materials (for Non-textual outputs)

  • 6G
  • Optical wireless communication (OWC)
  • narrow laser beam
  • non-imaging angle diversity receiver (ADR)
  • rate maximisation
  • receiver field-of-view (FOV)


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