Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-23
2009-02-10
Kincaid, Lester (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S458000
Reexamination Certificate
active
07489936
ABSTRACT:
In one of many possible embodiments, a method of locating a mobile terminal within a location area of a mobile communication network is provided. In the method, a threshold is set by calculating a sum of all location probabilities in the location area and dividing the sum by a maximum number of polling cycles allowed before the mobile terminal is located. Cells in the location area are arranged in non-ascending order according to their location probabilities. Multiple paging areas are formed one at a time by starting with a first cell not used in a previous paging area, grouping cells in order, and stopping when the total of location probabilities reaches the threshold or when no more ungrouped cells exist within the location area.
REFERENCES:
patent: 6181945 (2001-01-01), Lee
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Wang Wenye, Akyildiz Ian F., Stuber Gordon L., and Chung Boo-Young, Effective Paging Schemes with Delay Bounds as QoS Constraints in Wireless Systems, Wireless Networks 7, 455-466, Kluwer Academic Publishers, Manufactured in The Netherlands, 2001.
Lei Zhuyu, Saraydar Cem U., and Mandayam Narayan B., Paging Area Optimization based on Interval Estimation in Wireless Personal Communication Networks, Wireless Network Laboratory (WINLAB), Department of Electrical and Computer Engineering, Rutgers University, 1999, pp. 1-18.
Lee Hyun Jun, Jung Chul, and Lee Jai Yong, Optimized Paging Cache Mappings for efficient location management, ICITA2002 ISBN: 1-86467-114-9, pp. 1-5.
Seah Winston, Mobility Management In Mobile Cellular Networks, CS4274 Mobile Computing, Institute for Infocomm Research, pp. 1-8.
Kincaid Lester
Lim Steven
Verizon Services Corp.
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