Method for a wireless station to determine network metrics...

H - Electricity – 04 – W

Patent

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H04W 48/00 (2009.01) H04W 84/12 (2009.01) H04W 88/08 (2009.01)

Patent

CA 2490825

In a wireless station, a method includes, prior to the station being associated with a wireless network, wirelessly receiving L2 frames transmitted from one or more wireless access points (APs) of one or more wireless networks that the station can hear, and gathering information about the received L2 data units, including L2 information and L3 information. The method further includes maintaining the gathered information as a wireless network database that includes for each wireless network, a unique identifier of the wireless network; an indication of the quality of communication between the station and the AP of the wireless network; and one or more L3 advertisements from one or more IP-enabled service providers that the AP of the wireless network transmits. The indication of the quality of communication between the AP of the wireless network includes one or more network performance metrics obtained by temporarily associating with the AP, sending one or more probe packets to the AP, and collecting the one or more network performance metrics.

L'invention concerne un procédé consistant, dans une station sans fil, avant que ladite station ne soit associée à un réseau sans fil, à recevoir des trames L2 sans fil transmises depuis un ou plusieurs point(s) d'accès (AP) sans fil d'un ou plusieurs réseau(x) sans fil que la station peut entendre, et à collecter des informations relatives aux unités de données L2 reçues, comprenant des informations L2 et des informations L3. Ledit procédé consiste également à mettre les informations collectées à jour sous forme d'une base de données de réseau sans fil comprenant pour chaque réseau sans fil, un identificateur unique; une indication de la qualité de communication entre la station et le AP du réseau sans fil; et une ou plusieurs publicité(s) L3 provenant de fournisseurs de services à fonctionnalité IP transmise(s) par le AP du réseau sans fil. L'indication de la qualité de communication entre les AP du réseau sans fil comprend une ou plusieurs métrique(s) de performance de réseau obtenue(s) par association temporaire avec le AP, par envoi d'un ou de plusieurs paquet(s) d'essai au AP et par collecte d'une ou plusieurs métrique(s) de performance de réseau.

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