Network management using periodic measurements of indicators

Details Network management using periodic measurements of indicators Network management using periodic measurements of indicators

H - Electricity

04

W

H04W 24/00 (2009.01) H04W 84/12 (2009.01)

Patent

CA 2525837

A beacon signal used in data communications, such as the IEEE 802.11, is provided with data extensions. The data extensions permit additional information to be provided by the beacon signal. Periodic beacon requests are made during connection between a wireless transmit/receive unit (WTRU, 17, 18, 19) and an access point (AP) on a WLAN (12, 13). A Measurement Request field (26) corresponding to a beacon request contains a measurement duration value and channel number for which the request applies. The beacon request permits a scan mode, which includes "Active Scan" mode, "Passive Scan" mode and "Beacon Table" mode.

Selon l'invention, un signal de balise utilisé dans des communications de données, telles que IEEE 802.11, est accompagné d'extensions de données. Les extensions de données permettent au signal de balise de fournir des informations supplémentaires. Des demandes de balise périodiques sont effectuées lors de l'établissement d'une connexion entre un émetteur-récepteur sans fil (WTRU) et un point d'accès (AP) dans un réseau local sans fil (WLAN). Un champ de demande de mesure correspondant à une demande de balise contient une valeur de durée de mesure et un numéro de canal pour lesquels la requête s'applique. La demande de balise autorise un mode balayage qui comprend un mode "balayage actif", un mode "balayage passif" et un mode "table de balise.

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