Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2002-05-10
2008-12-02
Backer, Firmin (Department: 2616)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C455S453000
Reexamination Certificate
active
07460515
ABSTRACT:
A packet data service node (PDSN) is formed to establish a connection with a plurality of mobile terminals by way of one or more packet control function cards or devices. A packet control function (PCF) card or device is formed to provide an interface between the packet data domain and wireless domain and further to inform a base station controller/access network controller (BSC/ANC) to block the setup and establishment of any additional communication links in a specified manner until the overload condition ceases to exist. More specifically, the PCF receives loading information from each PDSN to which it is connected and determines a composite loading factor. The PCF transmits the composite loading factor to the BSC/ANC periodically or if the loading factor exceeds a specified threshold and call blocking should be initiated for packet data calls for a select group of mobile terminals.
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Abtahi Yasaman
Chowdhury Kuntal
Vasudevan Mini
Wang Chung-Ching
Backer Firmin
Garlick & Harrison & Markison
Han Clemence
Harrison James A.
Nortel Networks Limited
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