Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-09-12
2006-09-12
Ramos-Feliciano, Eliseo (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S450000
Reexamination Certificate
active
07107061
ABSTRACT:
Provided is a system and method for controlling overload in a telecommunications network. The network carries a traffic load that may exceed a maximum resource capacity and drive the network into an overload state. The method determines whether an overload state has occurred by comparing a current resource capacity to an overload onset threshold. If the threshold has been exceeded, the method blocks a certain percentage of traffic. An incrementally increasing percentage of traffic is blocked until the resource capacity crosses an overload abatement level. The method then incrementally decreases the percentage of blocked traffic until no traffic is blocked.
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patent: 6185428 (2001-02-01), Kingdon et al.
patent: 6208863 (2001-03-01), Salonaho
patent: 6671512 (2003-12-01), Laakso
patent: 6785546 (2004-08-01), Djuric
Arthur W. Berger, “Overload Control Using Rate Control Throttle: Selecting Token Bank Capacity for Robustness to Arrival Rates”, IEEE Transactions on Automatic Control, vol. 36, No. 2, Feb. 1991, pp. 216-219.
Arosemena Anabella
Molina Carlos
Motta Carlos
Tontiruttananon Channarong
Haynes and Boone LLP
Nortel Networks Limited
Ramos-Feliciano Eliseo
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