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- W4385800963 abstract "The recently standardized ETSI DECT-2020 New Radio (NR) technology promises to enable operator-independent Internet-of-Things (IoT) services. One of the supported operating bands is the 1880 − 1900 MHz band where IoT devices use one or more 1.728 MHz wide channels for multi-hop communications. It has been shown that such systems scale well to satisfy the requirements of 5G massive machine-type communications (mMTC). During the standardization process, the coexistence with classic DECT technology was addressed but the benefits of different options have not been deeply explored. In this paper, by utilizing system-level simulation techniques we evaluate several coexistence solutions for DECT-2020 and classic DECT systems including conventional listen-before-talk access (LBT), last-minute scan, and scheduling-based mechanisms. Our numerical results illustrate that the standard LBT operation ensures excellent performance with no more than 2% of packet drops for classic DECT, and still results in satisfactory DECT-2020 operation under 25% of resources allocated to classic DECT. The use of last-minute-scan leads to drastic performance degradation of DECT-2020 (by more than 10% in terms of packet drops) as compared to the standard LBT-only operation. Finally, a scheduling-based mechanism allows to improve the LBT performance for DECT-2020 devices by 2-5%." @default.
- W4385800963 created "2023-08-15" @default.
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- W4385800963 date "2023-06-01" @default.
- W4385800963 modified "2023-10-16" @default.
- W4385800963 title "Performance Assessment of DECT-2020 NR and Classic DECT Coexistence Mechanisms" @default.
- W4385800963 cites W3030475315 @default.
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- W4385800963 doi "https://doi.org/10.1109/vtc2023-spring57618.2023.10200362" @default.
- W4385800963 hasPublicationYear "2023" @default.
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