Mechanism for implementing virtual carrier sense

Details Mechanism for implementing virtual carrier sense Mechanism for implementing virtual carrier sense

2007-01-09

2007-01-09

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Channel assignment techniques

Carrier sense multiple access

C370S461000

Reexamination Certificate

active

10123203

ABSTRACT:
A method and a system for controlling access to a communication medium of at least one network uses a plurality of event counters that are maintained in a station coupled to at least one network through the communication medium. Each event counter has a corresponding context and a corresponding state. Each context defines a response for the corresponding event counter to at least one predetermined event. Each state represents a combined effect for the corresponding counter in response to at least one occurrence of a predetermined event defined by the corresponding context. Determination whether to access the communication medium is based on the state of at least two event counters.

REFERENCES:
patent: 6215389 (2001-04-01), Schmidt
patent: 6442608 (2002-08-01), Knight et al.
patent: 6792392 (2004-09-01), Knight
patent: 6832086 (2004-12-01), Powers et al.

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