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Preserving Mobile QoS during Handover via Predictive Scheduling in IMT Advanced System  

Poudyal, Neeraj (Information & Telecommunication Engineering, Graduate School, Korea Aerospace University)
Lee, Byung-Seub (Information & Telecommunication Engineering, Korea Aerospace University)
Publication Information
Journal of Advanced Navigation Technology / v.14, no.6, 2010 , pp. 865-873 More about this Journal
Abstract
In this paper, a novel schedulability criteria is developed to provide handover calls with Quality of Service (QoS) guarantees in terms of both minimum available bandwidth, maximum tolerated packet delay, and other additive QoS constraints as required by the real-time mobile traffic. This requires prediction of the handover time using mobility trends on the mobile station, which is used as input to this work. After the handover time and the QoS are negotiated, the destination base station makes attempts to give priority to handover calls over new calls, and pre-reserves resources that will have more chance of being available during the actual handover.
Keywords
IEEE 802.16m; QoS Handover; Handover Prediction; Admission Control; IMT-Advanced;
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