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Article Dans Une Revue IEEE Wireless Communications Letters Année : 2022

Multi-Point Integrated Sensing and Communication: Fusion Model and Functionality Selection

Résumé

Integrated sensing and communication (ISAC) represents a paradigm shift, where previously competing wireless transmissions are jointly designed to operate in harmony via the shared use of the hardware platform for improving the spectral and energy efficiencies. However, due to adversarial factors such as fading and interference, ISAC may suffer from high sensing uncertainties. This letter presents a multi-point ISAC (MPISAC) system that fuses the outputs from multiple ISAC devices for achieving higher sensing performance by exploiting multi-view data redundancy. Furthermore, we propose to effectively explore the performance trade-off between sensing and communication via a functionality selection module that adaptively determines the working state (i.e., sensing or communication) of an ISAC device. The crux of our approach is to derive a fusion model that predicts the fusion accuracy via hypothesis testing and optimal voting analysis. Simulation results demonstrate the superiority of MPISAC over various benchmark schemes and show that the proposed approach can effectively span the trade-off region in ISAC systems.
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Dates et versions

hal-04262465 , version 1 (27-10-2023)

Identifiants

Citer

Guoliang Li, Shuai Wang, Kejiang Ye, Miaowen Wen, Derrick Wing Kwan Ng, et al.. Multi-Point Integrated Sensing and Communication: Fusion Model and Functionality Selection. IEEE Wireless Communications Letters, 2022, 11 (12), pp.2660-2664. ⟨10.1109/LWC.2022.3213883⟩. ⟨hal-04262465⟩
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