Method of operating a media access controller

Details Method of operating a media access controller Method of operating a media access controller

H - Electricity

04

L

H04L 12/28 (2006.01) H04L 12/56 (2006.01) H04L 29/12 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2461733

A method is provided for a remote device to monitor and communicate with a wireless network using cyclic beacons. The remote device receives a beacon (1405), which beacon includes beacon information that defines a superframe. From the beacon information, the remote device determines whether the received beacon and the associated superframe are assigned to a network device or are unassigned (1410). By receiving as many beacons as there are allowable devices in the network, the remote device can determine if the network is full (1430). If the remote device runs through all of the beacons and all indicate that their associated superframes are assigned, then the remote device determines that the network is full and performs a network-full function. If the remote device receives a beacon that indicates that its associated superframe is unassigned, it determines that the network is not full and performs an association request during the unassigned superframe (1415).

L'invention porte sur un procédé permettant à un dispositif distant de suivre, et communiquer avec, un réseau sans fil à l'aide de balises cycliques. A cet effet le dispositif distant reçoit une balise contenant des informations définissant une supertrame. A partir de ces informations le dispositif distant détermine si la balise et la supertrame associées sont attribuées ou non à un dispositif de réseau. En recevant autant de balises qu'il y a de dispositifs attribuables, le dispositif distant peut déterminer si le réseau est plein. Si le dispositif distant ausculte toutes les balises et que toutes indiquent que leurs supertrames associées sont attribuées, le dispositif distant constate que le réseau est plein et exécute une fonction correspondante. Si le dispositif reçoit une balise indiquant que sa supertrame associée n'est pas attribuée, il constate que le réseau n'est pas plein et exécute une demande d'association pendant la supertrame non attribuée.

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