System and method for creating and using unique packet...

Details System and method for creating and using unique packet... System and method for creating and using unique packet...

2007-10-02

2007-10-02

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S437000, C370S447000, C370S509000, C375S368000

Reexamination Certificate

active

10396931

ABSTRACT:
Data communication system is provided that comprises a plurality of switches which each comprise a respective controller. Ports on the switch are connected to any one of a multiplicity of far-end devices. Physical media is used to connect each port to a far-end device. Various physical media may be routed through a common binder which can create electromagnetic interference problems. Each port controller is operable to calculate a unique preamble value to be assigned to each port within the switch. The unique preamble value is calculated using a linear feedback shift register function which can be implemented using convenient matrix multiplication operations on seed values stored within the port controllers.

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Koopman, “Maximal Length LFSR Feedback Terms,” web page at http://www.ece.cmu.edu/˜koopman/lfsr/index.html, 2 pages, printed Mar. 21, 2003.
Ross, “Linear Feedback Shift Registers,” web page at http://www.eit.uni-kl.de/baier/Staff/Former—Staff/Clos/further—info/cdma/LFSR.html, 4 pages, printed Mar. 21, 2003.

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