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In near future, various wireless access technologies will be used together to provide seamless and cost effective connectivity to mobile users. Multiple wireless access systems with overlapping coverage fields will be accessible to a mobile terminal with multiple interfaces. One problem arising from the availability of alternatives is the unnecessary occurrences of handovers (especially vertical ones)...
We propose a handover decision method based on the prediction of traveling distance within an IEEE 802.11 wireless local area network (WLAN) cell. The method uses two thresholds which are calculated by the mobile terminal (MT) as it enters the WLAN cell. The predicted traveling distance is compared against these thresholds to make a handover decision in order to minimize the probability of handover...
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