WO2003093951A3 - Improved access point and wireless network controller - Google Patents

Improved access point and wireless network controller Download PDF

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Publication number
WO2003093951A3
WO2003093951A3 PCT/US2003/014204 US0314204W WO03093951A3 WO 2003093951 A3 WO2003093951 A3 WO 2003093951A3 US 0314204 W US0314204 W US 0314204W WO 03093951 A3 WO03093951 A3 WO 03093951A3
Authority
WO
WIPO (PCT)
Prior art keywords
wireless network
ccc
access
radio
access point
Prior art date
Application number
PCT/US2003/014204
Other languages
French (fr)
Other versions
WO2003093951A2 (en
Inventor
Simon Barber
Roy Petruschka
Edward Rodriguez Decastro
Original Assignee
Instant802 Networks Inc
Simon Barber
Roy Petruschka
Edward Rodriguez Decastro
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instant802 Networks Inc, Simon Barber, Roy Petruschka, Edward Rodriguez Decastro filed Critical Instant802 Networks Inc
Priority to AU2003230274A priority Critical patent/AU2003230274A1/en
Publication of WO2003093951A2 publication Critical patent/WO2003093951A2/en
Publication of WO2003093951A3 publication Critical patent/WO2003093951A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101—Access control lists [ACL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/16—Implementing security features at a particular protocol layer
    • H04L63/162—Implementing security features at a particular protocol layer at the data link layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Abstract

In a wireless network, access points are used for monitoring radio spectrum traffic and interference thereof in a wireless network, managing control functions (access control, user management, radio management, tunnelling, etc.) A command and control center (CCC) is generally associated with the wireless network, wherein the CCC manages and controls the access points associated with the wireless network. Control frames (MMPDUs, in the case of 802.11 networks) received by the access point can be automatically transferred to the CCC, which thereafter transfers a response back to the access point, thereby granting or denying access to the wireless network to users thereof based on the response transferred from the CCC. The CCC manages radio monitoring to generate a radio mapping of the wireless network and the radio environment thereof based on data received from the access points. A firewall is generally located between the CCC and a visitor gateway. The visitor gateway can communicate with the Internet and restrict access to the wireless network by a visiting user through or from the remote computer network. A plurality of clients can be separated into one or more client groups, with each client group possessing a shared key for accessing networks partitioned from the access point using broadcast frames and encryption. The CCC can arrange the network such that clients ignore broadcast packets for other than its subnetwork.
PCT/US2003/014204 2002-05-04 2003-05-05 Improved access point and wireless network controller WO2003093951A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003230274A AU2003230274A1 (en) 2002-05-04 2003-05-05 Improved access point and wireless network controller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38015302P 2002-05-04 2002-05-04
US60/380,153 2002-05-04

Publications (2)

Publication Number Publication Date
WO2003093951A2 WO2003093951A2 (en) 2003-11-13
WO2003093951A3 true WO2003093951A3 (en) 2004-04-08

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PCT/US2003/014204 WO2003093951A2 (en) 2002-05-04 2003-05-05 Improved access point and wireless network controller

Country Status (3)

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US (5) US20040054774A1 (en)
AU (1) AU2003230274A1 (en)
WO (1) WO2003093951A2 (en)

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