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- W4386825245 abstract "This letter aims to detect abrupt changes in the base station to intelligent reflecting surface (BS-IRS) channel for IRS-assisted communications. Specifically, we first propose a centralized channel change detector, where the BS enables a fusion change detection based on the log-likelihood ratios (LLRs) obtained from all the user equipments. Next, to curtail the feedback overhead, we propose a decentralized channel change detector, where each UE independently detects channel changes and conveys a 1-bit outcome signal to the BS enabling a change detection. Numerical results validate that the proposed change detectors can promptly detect the change with low false alarm rate." @default.
- W4386825245 created "2023-09-19" @default.
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- W4386825245 date "2023-01-01" @default.
- W4386825245 modified "2023-10-15" @default.
- W4386825245 title "Detecting Abrupt Channel Changes for IRS-Assisted MIMO Communication" @default.
- W4386825245 doi "https://doi.org/10.1109/lwc.2023.3316700" @default.
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