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Packet Interference and Aggregated Throughput of Bluetooth Piconets Using an Adaptive Frequency Hopping in Rician Fading Channels  

Kim, Seung-Yeon (고려대학교 전자및정보공학부 B-ISDN연구실)
Yang, Sung-Hyun (광운대학교 전자공학부)
Lee, Hyong-Woo (고려대학교 전자및정보공학부 B-ISDN연구실)
Cho, Choong-Ho (고려대학교 컴퓨터정보학과 BCN연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.7B, 2008 , pp. 469-476 More about this Journal
Abstract
In this paper we analyze the packet interference probability and the aggregated throughput of a WPAN in which a number of Bluetooth piconets share the ISM band with WLANS. Using an Adaptive Frequency Hopping algorithm, when the AFH is employed, the number of hops available to the Bluetooth piconets varies depending on the number of independent WLANs within the piconet's radio range. Using a packet collision model in a piconet cluster, we give an analysis of the packet interference probability and the aggregated throughput as a function of the available hops for the AFH algorithm. We also present an analytical model of packet interference with multi-path fading channel in a cluster of piconets. Through analysis, we obtain the packet collision probability and aggregated throughput assuming capture effect. Numerical examples are given to demonstrate the effect of various Parameters such as capture ratio, Rice factor and cluster size on the system performance.
Keywords
AFH Algorithm; Coexistence; WLAN; Bluetooth; Rician fading;
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