Method to ensure the quality of preferred communication...

Details Method to ensure the quality of preferred communication... Method to ensure the quality of preferred communication...

2006-09-19

2006-09-19

Kizou, Hassan (Department: 2616)

Multiplex communications

Channel assignment techniques

Carrier sense multiple access

C370S448000

Reexamination Certificate

active

07110418

ABSTRACT:
The invention relates to a method to ensure the quality of preferred (communications) services, especially voice services, in a local data network with different types of services, where data congestion or data collision on a shared transmission medium is treated by a collision detection method and by application of re-transmission rules after detection of data collisions, wherein depending on the type of service, the corresponding data packets are subject to different re-transmission rules and wherein the different re-transmission rules each define a set of different parameters for an algorithm to randomly calculate the backoff time, that a station has to wait after a collision detection, before it re-transmits a data packet affected by the collision, the different sets of parameters comprising each at least the mean of said backoff time, as well as to a local network, a station, a local network controller and a program module therefor.

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