Telecommunications – Carrier wave repeater or relay system
Reexamination Certificate
2011-08-02
2011-08-02
Ferguson, Keith T (Department: 2618)
Telecommunications
Carrier wave repeater or relay system
C455S461000, C455S462000, C455S465000, C455S403000, C455S422100, C370S351000, C370S401000
Reexamination Certificate
active
07991351
ABSTRACT:
An architecture to extend a wired controller area network (CAN) to the wireless domain of a low rate wireless personal area network (PAN) network is described herein. Such architecture provides a low cost, low power, efficient, and secure wireless network interface compatible with many existing SCADA infrastructure networks, in addition to countless other installations incorporating a CAN backbone. An architectural model for such an extension module includes additions to the CAN protocol stack. New protocols for the tunneling of messages and for enhancing reliability are also described.
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