Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-05-29
2007-05-29
Rao, Seema S. (Department: 2616)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S229000, C370S236000, C370S245000, C709S224000, C726S023000
Reexamination Certificate
active
10217042
ABSTRACT:
A wireless local or metropolitan area network may include a plurality of stations for transmitting data therebetween using a media access layer (MAC), where each of the stations has a respective MAC address associated therewith. The wireless network may also include a policing station for detecting intrusions into the wireless network by monitoring transmissions among the plurality of stations to detect frame check sequence (FCS) errors from a MAC address, and generating an intrusion alert based upon detecting a number of FCS errors for the MAC address exceeding a threshold. The policing station may also detect intrusions based upon one or more of failed MAC address authentications, illegal network allocation vector (NAV) values, and unexpected contention or contention-free operation.
REFERENCES:
patent: 5412654 (1995-05-01), Perkins
patent: 6304556 (2001-10-01), Haas
patent: 6359873 (2002-03-01), Kobayashi
patent: 2003/0149891 (2003-08-01), Thomsen
patent: 2003/0217189 (2003-11-01), Kelley et al.
patent: 2003/0217289 (2003-11-01), Ammon et al.
patent: 2003/0219008 (2003-11-01), Hrastar
IEEE Standard 802.11, “Local and Metropolitan Area Networks: Wireless LAN”, 1999 Edition, Chapters 7-9, pp. 34-97.
Kozup,Secure Your WLAN Now, ZDNet Tech Update, Nov. 13, 2001, available at http://techupdate,zdnet.com/techupdate/stories/main/0,14179,2835133,00.html.
Vamosi,Go Away! How to Keep Hackers Out of Your Wireless Network, CNET/ZDNet Reviews, Mar. 27, 2002, available at http://www.zdnet.com/anchordesk/stories/story/0,10738,2858228,00.html.
Wireless LAN Security 802.11b and Corporate Networks, Internet Security Systems, 2001, available at http://www.iss.net/support/documentation/whitepapers/iss.php.
Blackwell,Serious WLAN Security Threats: Part II, INT Media Group, Inc., 2002, available at http://www.80211-planet.com/columns/article/0,,1781—947571,00.html.
Accessing Wireless Security with Airopeek, WildPackets, Inc., 2001, available at http://www.wildpackets.com/products/airopeek/white—papers.
WildPackets' Guide to Wireless LAN Analysis, WildPackets, Inc., 2001, available at http://www.wildpackets.com/support/white—papers.
Zhang et al.,Intrusion Detection In Wireless Ad-Hoc Networks, ACM MOBICOM, 2000.
Albers et al.,Security in Ad Hoc Networks: a General Intrusion Detection Architecture Enhancing Trust Based Approaches, Proceedings of the International First Workshop on Wireless Information Systems (Wis-2002), Apr. 2002.
Chakrabarti et al., “QoS Issues in Ad Hoc Wireless Networks”, , IEEE Communications Magazine, (Feb. 2001), pp. 142-148.
Chen, “Routing Support for Providing Guaranteed End-to-End Quality-of-Service,” Ph.D. thesis, Univ. of Illinois at Urbana-Champaign, http://cairo.cs.uiuc.edu/papers/Scthesis.ps. 1999.
IEEE Standard 802.11, Local and Metropolitan Area Networks: Wireless LAN, IEEE 1999, chapters 7-9, pp. 34-97.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Harris Corporation
Mais Mark A.
Rao Seema S.
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