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QoE based Joint Adaptive User Grouping and Power Allocation in Indoor VLC-NOMA Network

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Titel: QoE based Joint Adaptive User Grouping and Power Allocation in Indoor VLC-NOMA Network
Autoren: Huanlin Liu, Wencai Wang, Haonan Chen, Yong Chen, Yangyang Hou, Shiqi Yi
Verlagsinformationen: Springer Science and Business Media LLC, 2025.
Publikationsjahr: 2025
Beschreibung: The growing demand for high data rate and the increasing scarcity of spectrum resources have attracted non-orthogonal multiple access (NOMA) into visible light communication (VLC) network. For improving user’s quality of experience (QoE) in VLC-NOMA network, a joint optimization problem of user grouping and power allocation is formulated to maximize the sum mean opinion scores (MOS) of users in the VLC-NOMA network. Then, we decompose it into an inner power allocation and an outer user grouping subproblems. For the inner power allocation subproblem, we propose a power adjustment-based power allocation (PAPA) algorithm to guaranteeing the QoE and successive interference cancellation (SIC). For the outer user grouping subproblem, a hierarchical agglomerative clustering-based (HAC) user grouping algorithm is proposed that users can adaptively select NOMA groups and transmission modes. Then, we propose a joint adaptive user grouping and power allocation (JAUGPA) algorithm to solve user grouping and power allocation iteratively. The simulation results show that the proposed algorithm can increase the sum MOS and guarantee the fairness of users in the VLC-NOMA network.
Publikationsart: Article
DOI: 10.21203/rs.3.rs-7332921/v1
Rights: CC BY
Dokumentencode: edsair.doi...........17a5ffbf019f038345f272c1003cd2e5
Datenbank: OpenAIRE
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  Label: Title
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  Data: QoE based Joint Adaptive User Grouping and Power Allocation in Indoor VLC-NOMA Network
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  Data: <searchLink fieldCode="AR" term="%22Huanlin+Liu%22">Huanlin Liu</searchLink><br /><searchLink fieldCode="AR" term="%22Wencai+Wang%22">Wencai Wang</searchLink><br /><searchLink fieldCode="AR" term="%22Haonan+Chen%22">Haonan Chen</searchLink><br /><searchLink fieldCode="AR" term="%22Yong+Chen%22">Yong Chen</searchLink><br /><searchLink fieldCode="AR" term="%22Yangyang+Hou%22">Yangyang Hou</searchLink><br /><searchLink fieldCode="AR" term="%22Shiqi+Yi%22">Shiqi Yi</searchLink>
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  Data: Springer Science and Business Media LLC, 2025.
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  Data: 2025
– Name: Abstract
  Label: Description
  Group: Ab
  Data: The growing demand for high data rate and the increasing scarcity of spectrum resources have attracted non-orthogonal multiple access (NOMA) into visible light communication (VLC) network. For improving user’s quality of experience (QoE) in VLC-NOMA network, a joint optimization problem of user grouping and power allocation is formulated to maximize the sum mean opinion scores (MOS) of users in the VLC-NOMA network. Then, we decompose it into an inner power allocation and an outer user grouping subproblems. For the inner power allocation subproblem, we propose a power adjustment-based power allocation (PAPA) algorithm to guaranteeing the QoE and successive interference cancellation (SIC). For the outer user grouping subproblem, a hierarchical agglomerative clustering-based (HAC) user grouping algorithm is proposed that users can adaptively select NOMA groups and transmission modes. Then, we propose a joint adaptive user grouping and power allocation (JAUGPA) algorithm to solve user grouping and power allocation iteratively. The simulation results show that the proposed algorithm can increase the sum MOS and guarantee the fairness of users in the VLC-NOMA network.
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  Data: 10.21203/rs.3.rs-7332921/v1
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      – TitleFull: QoE based Joint Adaptive User Grouping and Power Allocation in Indoor VLC-NOMA Network
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