Thales

Alcatel Lucent

Cécile Faure

Nicolas Chuberre

Jean Farineau

Mathieu Gineste

David Niddam

Emmanuelle Chevallier

Isabelle Ulpat

A method of adapting the capacity of a contention transmission channel between terminals and a connection station comprises a step of continuous estimation, using measurements in reception of expected bursts, a probability of receiving an empty expected burst Pe, or the probability Pe and a measured probability of receiving a burst Ps, or a probability of receiving a burst having undergone a collision Pc. The method determines a current quantity Gr, monotonically sensitive to the external loading of the contention channel, using an estimated probability, Pe or Pc, or of the two estimated probabilities Pe and Ps, and detects whether a crossing of a threshold from among two predetermined thresholds while deviating from a fixed nominal value of Gr has occurred to decide to increase or decrease the current capacity of the transmission channel. The connection station notifies the terminals in quasi-real-time of the current composition of the transmission channel.

Method for dynamically adapting the capacity of a contention transmission channel

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Toulouse, France

Cécile Faure