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System and method for sensing wireless LAN activity

  • US 7,277,404 B2
  • Filed: 02/06/2003
  • Issued: 10/02/2007
  • Est. Priority Date: 05/20/2002
  • Status: Active Grant
First Claim
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1. A wireless network sensor comprising:

  • a) a wireless receiver adapted to receive wireless transmissions of signals within a predetermined frequency range;

    b) a system data store comprising one or more data storage elements, the system data store capable of storing received data and program data;

    c) a system processor comprising one or more processing elements, wherein the system processor is in communication with the wireless receiver and the system data store and wherein the system processor'"'"'s one or more processing elements are programmed or adapted to;

    i) extract data into one or more logical units according to a selected networking protocol from signals received by the wireless receiver;

    ii) inspect each extracted logical unit; and

    iii) store information derived from the inspection of each logical unit in the system data store;

    d) a sensor communication interface; and

    e) a host communication interface;

    wherein the system processor comprises a sensor processing element in communication with the sensor communication interface and a host processing element in communication with the host communication interface;

    wherein the sensor communication interface and the host communication interface are connected via one or more communication channels;

    wherein the sensor processing element is programmed or adapted to perform the extraction, inspection and storing functionality of the system processor and further programmed or adapted to transmit the stored information to the host processing element via the sensor communication interface; and

    wherein the host processing element is programmed or adapted to perform the analysis and output functionality of the system processor and further programmed or adapted to receive store information from one or more sensor processing elements via the host communication interface.

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