Patent ID: 8175017
Filing Date: 2012-05-08
Classification: H04W,Y02D

Abstract:
1. A method of operation of a wireless local area network communication system including an infrastructure node and a plurality of client nodes operable to communicate with the infrastructure node, the system sending periodic broadcast beacon signals, the method including: at least one client node sending to the infrastructure node a request that the infrastructure node store for the client node data of at least one multicast or broadcast transmission to be sent by the infrastructure node whilst the client node is in an unassociated state during at least one of the broadcast beacon signals; the client node entering the unassociated state and missing data of at least one multicast or broadcast transmission whilst in the unassociated state; the infrastructure node storing for the client node whilst the client node is in the unassociated state the data of the at least one missed multicast or broadcast transmission; the at least one client node sending to the infrastructure node a request to be sent the stored data when it returns to an associated state; and the infrastructure node sending the stored data to the at least one client node.