Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2004-05-10
2010-12-07
Ngo, Ricky (Department: 2464)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C370S377000, C710S061000
Reexamination Certificate
active
07848361
ABSTRACT:
A time-triggered communication system in a dual-channel network of singlechannel architecture, wherein in each case one communication controller (2, 6) is assigned to one channel, and two corresponding communication controllers (2, 6) communicate with one another via an inter-channel interface (1a,1b). Said inter-channel communication contains information about limiting points (G1,G2. . . G12) of a time path. A limiting point (G1,G2. . . G12) is, for example, the point in time when a cycle starts. The interchange of limiting points enables the temporal offset of the two channels to be determined as well as a correction value. After every two cycles also the rate error of the local clocks can be ascertained and a suitable correction value determined. The reliability of safety-relevant networks is increased by the time-triggered communication system described hereinabove.
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Fuhrmann Peter
Ungermann Jörn
Liu Ben H
Ngo Ricky
NXP B.V.
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