Channel Map Exchange Method for Frequency Overlap Avoidance in BR/EDR Handover through Bluetooth LE 


Vol. 46,  No. 10, pp. 1624-1631, Oct.  2021
10.7840/kics.2021.46.10.1624


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  Abstract

In the Environment under Internet of Things, multiple devices may coexist with employing heterogeneous wireless communications such as Bluetooth Low Energy (LE), Bluetooth Basic Rate / Enhanced Data Rate (BR/EDR), Wi-Fi, and 5G. Many devices locating on this environment would be composed of mobile devices which require energy efficiency, and they would support multiple wireless communications interfaces. Thus, most of these mobile devices require a method to operate always-on interface mechanism with low-powered interface such as LE, and also to operate on-demand high speed interface by activating it only if required. Considering this issue, Bluetooth standard recently published new specifications which activates other communications interface through Bluetooth LE and establishes BR/EDR connection through Bluetooth LE together. However, the published specifications may have a problem of frequency overlap due to the difference of channel maps between Bluetooth LE and BR/EDR. To address the issue, this paper proposes a method of channel map exchange to avoid frequency overlap problem at the point of handover event incurred from Bluetooth LE to BR/EDR, and shows the enhancements, at least 10 to 20% of quantitatively enhanced results in terms of delivery ratio and throughput, through the evaluations.

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  Cite this article

[IEEE Style]

J. Lee, "Channel Map Exchange Method for Frequency Overlap Avoidance in BR/EDR Handover through Bluetooth LE," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 10, pp. 1624-1631, 2021. DOI: 10.7840/kics.2021.46.10.1624.

[ACM Style]

Jaeho Lee. 2021. Channel Map Exchange Method for Frequency Overlap Avoidance in BR/EDR Handover through Bluetooth LE. The Journal of Korean Institute of Communications and Information Sciences, 46, 10, (2021), 1624-1631. DOI: 10.7840/kics.2021.46.10.1624.

[KICS Style]

Jaeho Lee, "Channel Map Exchange Method for Frequency Overlap Avoidance in BR/EDR Handover through Bluetooth LE," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 10, pp. 1624-1631, 10. 2021. (https://doi.org/10.7840/kics.2021.46.10.1624)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880