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http://dx.doi.org/10.6109/JKIICE.2009.13.2.215

Analysis of Interference Effects Caused by LR-WPAN in the Frequency Band of 900MHz  

Kang, Sang-Gee (군산대학교)
Abstract
LR-WPAN(Low-Rate Wireless Personal Area Network) hewn as IEEE 802.15.4 is considered as one of the most suitable specifications published until now to accomplish USN(Ubiquitous Sensor Network). In this paper we simulate interference effects to other systems if LR-WPAN will be used in 900MHz. In considering the current usage situation of 900MHz frequency band, we can think LR-WPAN shares the frequency band of $908.5{\sim}914MHz$ assigned for RFID/USN. The simulation results of the case of LR-WPAN and RFID/USN sharing the frequency band show that the probability of interference of LR-WPAN to CT1 and RFID is 2.5% and 2.1%, respectively. In order to avoid interference effects to public communications, simulations results show that the protection distance of about loom is needed.
Keywords
LR-WPAN(Low-Rate Wireless Personal Area Network); USN(Ubiquitous Sensor Network); Interference Analysis; RFID: Radio Frequency IDentification; Sharing Frequency;
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