Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-06-26
2007-06-26
Beamer, Temica (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S404100, C455S435300, C455S445000
Reexamination Certificate
active
11172659
ABSTRACT:
The present invention relates to wireless telephone networks, and more particularly to the allocation of radio channels to calls in CDMA-based systems when their Radio Access Networks (RAN) are congested. A Base Station (BS) receives a call origination from a mobile device. The BS communicates information about the call and about its radio availability to a Mobile Switching Center (MSC). The MSC determines the priority of the call and how the call should be treated by the BS based on the supplied information. The MSC communicates the treatment information and the priority information back to the BS.When the RAN is congested, high-priority calls are queued. These high-priority calls are served based on allocation specification in which radio channels may be assigned to low-priority calls, which are not queued, while there are still calls in the queue.
REFERENCES:
patent: 4670899 (1987-06-01), Brody et al.
patent: 6233222 (2001-05-01), Wallentin
patent: 6366780 (2002-04-01), Obhan
patent: 2002/0065082 (2002-05-01), Yegani et al.
patent: 2004/0180677 (2004-09-01), Harris et al.
patent: 2005/0276256 (2005-12-01), Raitola et al.
Chambers Michael Dwayne
Huang Renling Lawrence
Lopez Ismael
Quintero Rafael
Riley Douglas Harvey
Beamer Temica
Lucent Technologies - Inc.
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