Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2007-04-03
2007-04-03
Vu, Huy D. (Department: 2663)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C710S305000, C712S225000
Reexamination Certificate
active
09798113
ABSTRACT:
A physical medium dependent (PMD) transport subsystem is disclosed which is used in an xDSL communication system. The PMD subsystem coordinates movement of data from an analog front end to a logical pipeline based TC layer, and exchanges common data objects with the latter to increase flexibility of the system. The PMD subsystem includes a number of ASIC blocks for performing signal processing operations, and these ASIC blocks are also shared between ports and are multi-tasking to reduce hardware costs.
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Ng Christine
Realtek Semiconductor Corporation
Schwegman Lundberg Woessner & Kluth P.A.
Vu Huy D.
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