Method and system for controlling traffic in a wireless LAN

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United States of America Patent

PATENT NO 9853899
APP PUB NO 20160043953A1
SERIAL NO

14780990

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Abstract

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Embodiments provide a traffic control system for WLAN access points. The traffic control system works in dependence on a first input-user priority (supplied by an authentication server). This allows different service levels to be provided to different classes of customer. In addition, the traffic control system polices and/or shapes traffic based on a second input—a modulation rate detector, which measures the modulation rate at which each connected client is sending its traffic, and uses it to indirectly cause fairer use of the available air interface capacity (e.g. by causing TCP streams to back off when they detect packet loss). Finally, for some embodiments where public Wi-Fi is being delivered through private Wi-Fi access points, the traffic control system is to manage the air interface utilization split between public and private WiFi users, to ensure that private users do not have their Wi-Fi air interface network capacity unduly impaired by public users.

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Patent Owner(s)

Patent OwnerAddress
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY81 NEWGATE STREET LONDON EC1A 7AJ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Evenden, Richard Joseph London, GB 7 108
Ringland, Simon Patrick Alexander London, GB 7 237
Scahill, Francis James London, GB 11 316

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