Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2005-05-12
2008-07-15
Nguyen, Duc (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S328000, C455S432100, C455S440000, C455S442000
Reexamination Certificate
active
07400602
ABSTRACT:
A system and method of packet zone hysteresis for a mobile station is presented. When a short data burst is to be sent on the control channel, a check is made to see if packet zone hysteresis might have caused the PCF-PSDN interface to be torn down, and if necessary, this interface is re-established by performing a packet data service reconnect to thereby enable transmission of the short data burst.
REFERENCES:
patent: 6934272 (2005-08-01), Cheng et al.
patent: 7245931 (2007-07-01), Wang et al.
patent: 2005/0141511 (2005-06-01), Gopal
patent: 2006/0182054 (2006-08-01), Islam et al.
patent: WO 2004/064292 (2004-07-01), None
“Data Service Options for Spread Spectrum Systems: Service Options 33 and 66” 3GPP2 C. S0017-012-A Version 1.0, Jun. 11, 2004.
Addy Anthony S
Nguyen Duc
Research In Motion Limited
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