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A Mobility Management Technique with Simple Handover Prediction for 3G LTE Systems

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5 Author(s)
Tae-Hyong Kim ; Kumoh Nat. Inst. of Technolgy (KIT), Gumi ; Qiping Yang ; Jae-Hyoung Lee ; Soon-Gi Park
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Fast and seamless handover are also weighty issues in 3G LTE systems. Although cross-layer optimization and mobility prediction are well-known techniques for obtaining that goal, they have not been accepted in 3G or 3G LTE systems yet due to their insufficient cost/performance ratio. In order to overcome that problem, this paper proposes a mobility management technique which uses simple handover prediction based on cross-layer architecture. The proposed prediction technique uses both simple moving average for (sub-)inertial movements and simple mobility pattern matching for non-inertial movements. New reporting events are introduced for UE's measurement reports and a handover prediction algorithm are designed for eNodeB's handover preparation. In the simulation with two random waypoint models, the proposed technique shows less number of handovers and lower rate of ping-pong handovers than the UMTS standard mobility technique.

Published in:

2007 IEEE 66th Vehicular Technology Conference

Date of Conference:

Sept. 30 2007-Oct. 3 2007