Telecommunications – Transmitter and receiver at separate stations – With control signal
Reexamination Certificate
2006-02-14
2006-02-14
Trinh, Sonny (Department: 2687)
Telecommunications
Transmitter and receiver at separate stations
With control signal
C455S434000, C455S067110, C370S229000
Reexamination Certificate
active
06999729
ABSTRACT:
Methods and apparatus for maintaining contact with a wireless communication network improve the timeliness in which traffic is delivered to a mobile communication device in marginal coverage areas. The number of times the mobile device informs the network of its presence in such coverage may be reduced based on predetermined network characteristics. In one illustrative example, the method involves continually maintaining and updating a message decode history list in memory and comparing it with a predetermined paging pattern of the network. The message decode history list keeps track of whether or not each message of a most recent plurality of regularly broadcasted messages has been successfully decoded. An update message which informs the network of the mobile device is transmitted in response to identifying that unsuccessful message decode indicators in the history list overlap with all page transmission periods of the network paging pattern. Conversely, the update message is not normally transmitted in response to identifying that any successful message decode indicator in the history list overlaps with any page transmission period of the network paging pattern.
REFERENCES:
patent: 5748100 (1998-05-01), Gutman et al.
patent: 5970063 (1999-10-01), Chapman et al.
patent: 6320852 (2001-11-01), Obuchi et al.
patent: 2002/0159546 (2002-10-01), Fulghum et al.
patent: 2004/0058679 (2004-03-01), Dillinger et al.
patent: 2004/0148092 (2004-07-01), Kim et al.
patent: 2004/0214573 (2004-10-01), Bamburak et al.
patent: 2004/0233870 (2004-11-01), Willenegger et al.
patent: WO 95/12931 (1995-05-01), None
patent: WO 01/37473 (2001-05-01), None
Int'l Exam Report, published Jan. 7, 2003, EPX.
Ayanoglu, Ender; “AIRMAIL: A link-layer protocol for wireless networks”; Feb., 1995; pp. 47-59, vol. 1, No. 1, Baltzer Science Publishers; Amsterdam, NL.
Doan Phuoc
Oskorep, Esq. John J.
Research In Motion Limited
Trinh Sonny
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