Detecting a hidden node in a wireless local area network

H - Electricity – 04 – W

Patent

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Details

H04W 24/00 (2009.01) H04W 48/16 (2009.01) H04W 84/12 (2009.01)

Patent

CA 2477608

A method and system for detecting a hidden node in a wireless local area network having a first station (204a), a second station (204b), and an access point (202). The first station can send a message, where the message can be sent as a data frame. After receiving the message, the access point can send the message to the second station. The second station can receive the message from the access point. In response to receiving the message, the second station can send an acknowledgement to the access point, where the acknowledgement can be sent as a control frame. The first station can monitor for the acknowledgement sent from the second station to the access point.

L'invention porte sur un procédé et un système de détection d'un noeud caché dans un réseau local sans fil équipé d'une première station, d'une seconde station et d'un point d'accès. La première station peut envoyer un message, lequel peut être envoyé en tant que trame de données. Après réception du message, le point d'accès peut envoyer le message à la seconde station, laquelle peut recevoir le message depuis le point d'accès. En réponse à la réception du message, la seconde station peut envoyer une confirmation au point d'accès, cette confirmation pouvant être envoyée en tant que trame de données. La première station peut surveiller l'envoi de la confirmation de la seconde station vers le point d'accès.

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