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http://dx.doi.org/10.12673/jant.2022.26.6.481

Performance Analysis of BLE System for Wireless IoT Network Design  

Jae-sung Roh (Department of Information & Communication Engineering, Seoil University, Seoul)
Publication Information
Journal of Advanced Navigation Technology / v.26, no.6, 2022 , pp. 481-486 More about this Journal
Abstract
The recent rapid growth of the IoT(Internet of Things) is leading to the spread of low-power wireless technology. A major challenge in designing IoT wireless networks is to achieve coexistence between different wireless technologies that share the 2.4 [GHz] ISM (Industrial Scientific Medical) frequency band. Therefore, there is a need for research on improving the reliability of wireless networks and coexisting operation between wireless networks. In particular, it is necessary to study an interference model and performance for mutual service coexistence in a BLE (Bluetooth Low Energy) wireless network environment, which is expected to be widely used as a connection medium between devices in various industrial fields. In this paper, the co-channel interference model with the IEEE 802.15.4 system is established focusing on the physical layer of the BLE system widely used in residential and industrial wireless applications, and the performance of the BLE wireless communication system is analyzed in the co-channel interference environment. As a result of the analysis, as the distance between the interference source and the BLE system increases in an environment where noise and co-channel interference exist, the amount of co-channel interference decreases and the error rate performance of the BLE system improves.
Keywords
BLE system; Coexistence performance; Interference model; IoT wireless network; ISM band;
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