Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2011-08-02
2011-08-02
Phan, Man (Department: 2475)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S395430, C370S412000, C370S462000, C725S125000
Reexamination Certificate
active
07990952
ABSTRACT:
A traffic prioritization system and method performs a coarse classification of upstream bursts at the physical interface of a wireless communications device. The wireless device monitors and controls communications with a plurality of remote wireless communications devices throughout a widely distributed network, including the Internet. The traffic prioritization system includes a burst receiver that receives and sends the upstream bursts to a classifier. At an appropriate time, the classifier receives the upstream bursts and queries a priority lookup table (LUT) to determine a priority classification. The priority classification is used to separate the bursts into two or more priority levels. The higher priority level is used to designate services having a low tolerance for delay, such as telephony. Upon classification, the upstream bursts are forwarded to one of several priority queues. Each priority queue corresponds to at least one priority level. The headend device services each priority queue such that the higher priority queues are serviced before the lower priority queues.
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European Search Report for European Application No. 02256762.2, issued on Dec. 4, 2003.
Denney Lisa V.
Horton John
Pantelias Niki
Shallow Gale
Broadcom Corporation
Phan Man
Sterne Kessler Goldstein & Fox P.L.L.C.
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