US Patent 10111159 Access point detection
Patent 10111159 was granted and assigned to British Telecommunications Public Limited Company on October, 2018 by the United States Patent and Trademark Office.
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A wireless communications device has network interfaces for accessing cellular data networks and Wi-Fi wireless local area networks. Wi-Fi offload allows data traffic to be moved away from the cellular network to the Wi-Fi network. To avoid any existing data sessions being broken during offload, Proxy Mobile IP (PMIP) must be supported by a Wi-Fi access point and associated Mobile Access Gateway. Before Wi-Fi association and authentication, the wireless communication device scans the surrounding area for access points and determines which of the access points supports PMIP before selecting one for association.
US Patent 10111159 Access point detection
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