Cell selection method of mobile terminal

Details Cell selection method of mobile terminal Cell selection method of mobile terminal

2006-06-13

2006-06-13

Cumming, William D. (Department: 2683)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S165100, C370S352000

Reexamination Certificate

active

07062271

ABSTRACT:
A system and method for managing communications in a mobile terminal selects a serving cell of a first PLMN for the mobile terminal, monitors signal strengths of neighboring cells in at least a second PLMN, classifies the neighboring cells as signal-receivable cells and signal non-receivable cells based on the monitored signal strengths, determines whether cell reselection is required, searches for state information corresponding only to the signal-receivable neighboring cells, and selecting one of the same receiving cell or one of the signal-receivable neighboring cells as a new serving cell. By searching only a pre-stored list of signal-receivable cells instead of all neighboring cells around the mobile terminal, the time for reselecting a cell during mobile terminal operation is significantly reduced.

REFERENCES:
patent: 6463054 (2002-10-01), Mazur et al.
patent: 6850744 (2005-02-01), Moore
patent: 2003/0040311 (2003-02-01), Choi
patent: 1160472 (1997-09-01), None
patent: 2001-0032466 (2001-04-01), None
patent: 2001-0048490 (2001-06-01), None
Chinese Office Action dated Mar. 25, 2005.

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