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Packet Interference of Bluetooth Piconet Using an Adaptive Frequency Hopping and Advanced Adaptive Frequency Hopping Algorithm for Frequency Collision Avoidance in WPANs  

Kim, Seung-Yeon (고려대학교 전자및정보공학부 B-ISDN 연구실)
Lee, Hyong-Yoo (고려대학교 전자및정보공학부 B-ISDN 연구실)
Cho, Choong-Ho (고려대학교 컴퓨터정보학과 BCN 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.9B, 2007 , pp. 604-611 More about this Journal
Abstract
In this paper, we present an analysis of the throughput when there are multiple piconets and WLAN sharing the ISM bands. The analysis takes channel propagation characteristics and the capture effect. We also propose an algorithm which can be used to reduce the amount of channel scanning. By using traffic prediction of the interfering WLAN, we are able to maintain a reasonable performance in terms of fraction of time channel is wasted due to collisions or unused channel. Through computer simulation, we demonstrate that the proposed algorithm achieves reduced scanning frequency.
Keywords
Bluetooth; Collision Avoidance; AFH; WPAN; Rician Fading Channel;
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