A system and method for a dynamic beacon period in a mac...

H - Electricity – 04 – L

Patent

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H04L 12/28 (2006.01)

Patent

CA 2556067

A system (400), device (401), and method are provided for decentralized medium access control comprising periodic beacon (600) transmissions of all active devices in beacon slots (204) (302) (303), grouping such beacon slots (204) (302) (303) in at least one contiguous dynamic beacon period (301), and expanding or shrinking this at least one contiguous dynamic beacon period (301) depending on the number of occupied beacon slots (204) (302) (303). The dynamic beacon period (301) adapts to devices (401) joining and leaving the network (400) as well as to collisions of beacon frames(600) on the medium (410).

La présente invention concerne un système (400), un dispositif (401) et un procédé de gestion décentralisée d'accès aux supports. En l'occurrence, on procède à des émissions balises périodiques (600) par tous les dispositifs actifs dans des créneaux balises (204, 302, 303), et on les regroupe en au moins une période balise dynamique contiguë (301). Par la suite, on étend ou on rétrécit cette période (301) en fonction du nombre de créneaux occupés (204, 302, 303). Cette période balise dynamique (301) s'adapte, non seulement aux dispositifs (401) rejoignant ou quittant le réseau (400), mais aussi aux collisions entre trames balises (600) sur le support (140).

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