Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-07-12
2011-07-12
Desir, Pierre-Louis (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S446000, C370S331000
Reexamination Certificate
active
07979081
ABSTRACT:
A distance-based paging system distributes the decision as to which base stations should send a page to a terminal. The Radio Network Controller (RNC) simply stores the location information and paging range (e.g., the route update radius) of the reference sector for each terminal. When a page message needs to be sent to the terminal, the RNC sends the location information and paging range to each base station in a broadcast or a multicast message that includes the location coordinates and route update radius of the reference sector in the message header, and the information to be sent in the over the air page in the message payload. Each base station determines whether one or more of its sectors is located within the paging area, and broadcasts a page based on the payload of the message to the terminal if it is within the paging area or discards the paging message if it is not.
REFERENCES:
patent: 2004/0043774 (2004-03-01), Lee
patent: 2004/0179492 (2004-09-01), Zhang et al.
patent: 2006/0276207 (2006-12-01), Harris et al.
Suman Das et al., “Distributed Paging and Registration in Wireless Networks”, IEEE Network, Sep. 2005, pp. 19-25.
Desir Pierre-Louis
Ericsson AB
Pham Timothy
Potomac Patent Group PLLC
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