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Bit and Power Loading Algorithms for Nonlinear Optical Wireless Communication Channels
  • Jakub Kasjanowicz,
  • Juliusz Bojarczuk ,
  • Grzegorz Stepniak
Jakub Kasjanowicz
Juliusz Bojarczuk

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Grzegorz Stepniak
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Bit and power loading (BPL) algorithms played a pivotal role in the success of orthogonal frequency division multiplexing (OFDM) in digital transmission, including lightemitting diode (LED) based wireless optical communications. Nevertheless, the conventional BPL algorithms do not distinguish the nonlinear distortion generated in LED transmitters from an additive noise, which leaves room for improvement. This letter presents a novel power loading and two BPL algorithms that maximize the transmission capacity while minimizing the nonlinear distortion generated in LED. The effectiveness of the proposed algorithms is evaluated through simulations and transmission experiments, revealing a throughput increase of up to 10% in comparison to what can be achieved employing classical algorithms.
08 Jan 2024Submitted to TechRxiv
22 Jan 2024Published in TechRxiv
Dec 2023Published in IEEE Communications Letters volume 27 issue 12 on pages 3270-3274. 10.1109/LCOMM.2023.3332108