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Performance Comparison in Estimating the Number of Competing Terminals in IEEE 802.11 Networks (Kalman vs. H Infinity Filter)
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 Title & Authors
Performance Comparison in Estimating the Number of Competing Terminals in IEEE 802.11 Networks (Kalman vs. H Infinity Filter)
Kim, Taejin; Lim, Jaechan; Hong, Daehyoung;
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 Abstract
In this paper, the effects to system performance are evaluated in IEEE 802.11 system when the number of competing terminals are estimated and reflected to the system. The IEEE 802.11 system uses DCF (Distributed Coordination Function) for the multiple access method, and the system throughput performance depends on the accuracy of the estimated number of competing terminals. We propose extended H infinity filter (EHIF) approach which does not require the noise information for estimating the number of competing terminals. Simulation results show that EHIF outperforms the extended Kalman filter in both saturated and non-saturated network conditions.
 Keywords
IEEE 802.11;WLAN;DCF;Extended Kalman Filter (EKF);Extended H Infinity Filter (EHIF);
 Language
Korean
 Cited by
 References
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