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On the BER performance of QoS-aware multi-user OWC uplink using mCAP-NOMA

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Abstract

In this paper, we propose and investigate a hybrid multi-band carrierless amplitude and phase modulation and non-orthogonal multiple access (mCAP-NOMA) scheme for quality-of-service (QoS)-aware uplink multi-user optical wireless communication (OWC) systems. Considering the users’ distinctive channel conditions and QoS requirements, we further design three user pairing approaches for the mCAP-NOMA-based uplink OWC system, including channel gain-based user pairing, modulation order-based user pairing and adaptive user pairing. More specifically, the adaptive user pairing approach can dynamically select from the individual channel gain-based or modulation order-based user pairing approaches aiming to obtain a lower average bit error rate (BER) of the uplink OWC system. Simulation results verify the feasibility and superiority of the mCAP-NOMA scheme with adaptive user pairing in an uplink four-user OWC system.

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Funding

This work was supported by the Project funded by Zhejiang Provincial Energy Group Company Ltd. (Grant No. ZNKJ-2020-142).

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Authors and Affiliations

  1. Zhejiang Zheneng Lanxi Electric Power Generation Company, Ltd., Jinhua, 321100, China

    Xuhui Xu, Ming Shen & Yu Qiu

  2. Zhejiang Energy Digital Technology Company, Ltd., Hangzhou, 310012, China

    Yuwei Meng, Jiemin Chen & Zhan Wang

  3. Shenzhen Hua Chuang Chip Lighting Company, Ltd., Shenzhen, 518027, China

    Binbin Zhu

Authors
  1. Xuhui Xu
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  2. Ming Shen
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  3. Yu Qiu
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  4. Yuwei Meng
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  5. Jiemin Chen
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  6. Binbin Zhu
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  7. Zhan Wang
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Correspondence to Zhan Wang.

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Xu, X., Shen, M., Qiu, Y. et al. On the BER performance of QoS-aware multi-user OWC uplink using mCAP-NOMA. Opt Rev 30, 150–157 (2023). https://doi.org/10.1007/s10043-023-00789-w

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  • DOI: https://doi.org/10.1007/s10043-023-00789-w

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