Importance

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Abstract

A communication apparatus exhibiting improved certainty and stability in communication. In a wireless terminal (100) serving as the communication apparatus, a transmission possibility determining part (186) uses an AIFS and a backoff value to control the transmission timing of transport data, and an AIFS managing part (181) adjusts the AIFS value related to the transport data in accordance with an elapsed time from the occurrence of a transmission request of the transport data. In this way, the AIFS value related to any transport data having a long elapsed time from the occurrence of a transmission request of the transport data can be reduced, and a predetermined wait time determined by the AIFS and backoff values also can be reduced. Accordingly, the probability of the transport data being transmitted with a higher priority than the other ones can be raised, whereby the possibility of the transport data being abandoned because of a timeout can be reduced. As a result, the certainty and stability in communication can be improved.

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First Claim