Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-07-28
2009-11-03
Harper, Vincent P (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S426200, C455S436000, C455S452200, C455S453000, C370S230000, C370S235000, C370S331000, C370S338000
Reexamination Certificate
active
07613461
ABSTRACT:
Even if a communication resource needed for connection processing with a user (subscriber terminal) and an actual packet data communication is in a full condition in an active subscriber resource managing unit, when a communication resource needed for only maintaining a logical connection with a user is in a free condition in a dormant subscriber resource managing unit, for accommodating a new user in a dormant state through this free resource, a control unit carries out connection processing answering a new connection request through the use of a radio resource secured in advance or a free radio resource produced by shifting a portion of active users forcibly to a dormant state. This enables using a packet communication total resource without waste and considerably improving the packet service connectivity to a user.
REFERENCES:
patent: 6226277 (2001-05-01), Chuah
patent: 6411601 (2002-06-01), Shaffer et al.
patent: 2001/0031634 (2001-10-01), Mizutani et al.
patent: 2002/0082018 (2002-06-01), Coskun et al.
patent: 11-289341 (1999-10-01), None
Supplementary European Search Report dated Jun. 15, 2007, from the corresponding European Application.
International Preliminary Examination Report dated Oct. 14, 2004.
International Search Report dated May 21, 2002.
Balaoing Ariel
Fujitsu Limited
Harper Vincent P
Katten Muchin & Rosenman LLP
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