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Handover Ranging Power Adjustment Using Uplink Channel Information in IEEE 802.16e/m
Authors:Ji‐Su Kim  Jae‐Hyun Kim
Abstract:This letter proposes a handover ranging power adjustment scheme to improve handover performance. Incorrect ranging power can degrade handover performance due to the increased handover latency; therefore, the proposed scheme exploits the uplink channel information to adjust the uplink handover ranging power. Simulation results demonstrate that the proposed scheme reduces call outage probability by 33% compared to that of the conventional scheme. It also improves the number of users who satisfy the system requirements for handover interruption time.
Keywords:Handover  ranging power  uplink  IEEE 802  16e
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