COMMUNICATION DEVICE PERFORMING CONTENTION CONTROL

A communication apparatus, which improves the throughput of a whole communication system while performing contention distributed control which provides equality of a transmission chance by observing a medium occupation state, is provided. Thus, the communication apparatus according to the present in...

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Bibliographic Details
Main Authors YOSHIZAWA, Kensuke, YASUKAWA, Toru, KOIDE, Youhei
Format Patent
LanguageEnglish
French
German
Published 26.04.2017
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A communication apparatus, which improves the throughput of a whole communication system while performing contention distributed control which provides equality of a transmission chance by observing a medium occupation state, is provided. Thus, the communication apparatus according to the present invention comprises: a back-off process section for performing, using a contention window, a regular back-off process which is performed at transmission of a transmission frame and a pseudo back-off process which is performed in a pseudo manner when the transmission frame is not transmitted; a medium information obtaining section for obtaining, by the pseudo back-off process, medium information indicative of a state of the transmission line medium when the transmission frame is not transmitted; and a medium state determination section for determining the state of the transmission line medium using the medium information to obtain determination information.
Bibliography:Application Number: EP20070767424