IRS-Assisted Cognitive UAV Networks: Joint Sensing Duration, Passive Beamforming and Three-Dimensional Location Optimization

Deng, Qian; Yu, Guangcheng; Liang, Xiaopeng; Shu, Feng; Wang, Jiangzhou

doi:10.1109/jiot.2023.3293801

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Cited by 5 publications

References 36 publications

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Opportunistic Scheduling in IRS-Aided UAV Multi-User Wireless Communication Systems: Modeling and Analysis

Choudhary,

Joshi,

Chaubey

2024

IEEE Access

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Opportunistic Scheduling in IRS-Aided UAV Multi-User Wireless Communication Systems: Modeling and Analysis

Choudhary,

Joshi,

Chaubey

2024

IEEE Access

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Rate Optimization Algorithm for IRS-Assisted UAV Communication Systems

Yongcun,

Yuanfa,

Ting

et al. 2024

2024 International Conference on Artificial Intelligence of Things and Systems (AIoTSys)

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Resource Optimization for Integrated Terrestrial Non-Terrestrial Networks Involving IRS

Khan,

Mahmood,

Lagunas

et al. 2023

2023 IEEE Globecom Workshops (GC Wkshps)

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Intelligent reconfigurable surfaces (RIS) have emerged as one of the most promising and cost-effective technologies due to their high energy efficiency, extended wireless coverage, enhanced signal strength, and interference mitigation capability. This paper provides a new framework of cognitive radio-based integrated terrestrial non-terrestrial networks (ITNTNs) involving IRS. The objective is to maximize the achievable sum rate of the secondary network by simultaneously optimizing the transmission power, user association, phase shift design of IRS and 2D placement of UAVs while controlling the co-channel interference temperature to the primary network. The problem is formulated as non-convex/non-linear due to interference and decision variables which makes it NP-hard and intractable. To reduce the complexity and make the problem tractable, we first decouple it into subproblems and iteratively obtain an efficient solution. Numerical results demonstrate that the proposed optimization scheme converges within a few iterations and achieves high sum rate than the benchmark suboptimal schemes.

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IRS-Assisted Cognitive UAV Networks: Joint Sensing Duration, Passive Beamforming and Three-Dimensional Location Optimization

Cited by 5 publications

References 36 publications

Opportunistic Scheduling in IRS-Aided UAV Multi-User Wireless Communication Systems: Modeling and Analysis

Opportunistic Scheduling in IRS-Aided UAV Multi-User Wireless Communication Systems: Modeling and Analysis

Rate Optimization Algorithm for IRS-Assisted UAV Communication Systems

Resource Optimization for Integrated Terrestrial Non-Terrestrial Networks Involving IRS

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