Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2002-12-23
2008-03-18
Le, Danh (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C370S331000, C370S328000, C455S438000, C455S561000
Reexamination Certificate
active
07346351
ABSTRACT:
A mobile communication system and a method of processing a handoff for the same is disclosed. A gateway control station performs matching of two system regions for a handoff process between the two system regions, and matches gateway base stations. The gateway base station uses respective primary frequencies among frequencies used in terminal base stations of the two systems which are located in a boundary region between the two system regions as common used frequencies, and controls a handoff cell which is defined as at least a portion of two cell sectors that belong to the two base stations and which uses the two common frequencies.
REFERENCES:
patent: 6456847 (2002-09-01), Lilja et al.
patent: 6549524 (2003-04-01), Shin
patent: 2007/0066270 (2007-03-01), Dantu et al.
Ked & Associates LLP
Le Danh
LG Electronics Inc.
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