Mobile communication system detectable mobile station moving...

Details Mobile communication system detectable mobile station moving... Mobile communication system detectable mobile station moving...

2006-07-10

2010-06-22

Harper, Vincent P (Department: 2617)

Telecommunications

Radiotelephone system

Out-of-range indication

C455S436000, C455S437000, C455S438000, C455S439000, C455S440000

Reexamination Certificate

active

07742761

ABSTRACT:
In a mobile communication system, a base station controller has a handoff information management table for storing distance information for each mobile station notified from each of base stations and a detection unit for updating the handoff information management table each time a new handoff information was received from the base stations and detecting any of the mobile stations that is moving out of a service area into an out-of-communication range. The detection unit performs the out-of-range detection by selecting any of the mobile stations currently communicative only with one or more of the border cell base stations as a detection target and comparing the distance information in the handoff information management table with a predetermined threshold value.

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3GPP2 C.S20024 cdm2000 “High Rate Packet Data Air Interface Specification”.

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