Hard handover method, controller and communication system

Details Hard handover method, controller and communication system Hard handover method, controller and communication system

2008-04-15

2008-04-15

Tran, CongVan (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S439000, C370S331000

Reexamination Certificate

active

11142666

ABSTRACT:
The invention is related to a controller of a communication system, the controller comprising: means for determining user terminal time delay between delivery and acknowledgement of a transmission; means for conveying the user terminal time delay; means for calculating switching time delay; and means for transferring user terminal data conveyance to the handover target network controller at a moment based on the switching time delay.

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3GPP(Global System for Mobile Communications) ETSI TS 123 009 V4.4.0, “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Handover procedures”, Jun. 2002, pp. 21-23.
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