Multiplex communications – Channel assignment techniques – Combining or distributing information via time channels...
Reexamination Certificate
2011-04-26
2011-04-26
Ho, Duc C (Department: 2465)
Multiplex communications
Channel assignment techniques
Combining or distributing information via time channels...
C370S468000, C370S480000, C725S129000
Reexamination Certificate
active
07933288
ABSTRACT:
An architecture for providing high-speed access over frequency-division multiplexed (FDM) channels allows transmission of ethernet frames and/or other data across a cable transmission network or other form of FDM transport. The architecture involves downstream and upstream FDM multiplexing techniques to allow contemporaneous, parallel communications across a plurality of frequency channels. Furthermore, the architecture allows a central concentrator to support a plurality of remote devices that each have guaranteed bandwidth through connection-oriented allocations of bi-directional data flows. The upstream and downstream bandwidth allocation can support symmetrical bandwidth as well as asymmetrical bandwidth in either direction. The architecture generally can be used to support connection-oriented physical layer connectivity between a remote device and the central concentrator. Furthermore, the architecture may be integrated into other higher level devices such as, but not limited to, bridges, switches, routers, and/or gateways. The architecture generally may peacefully coexist with other services commonly-found in cable distribution networks.
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Ao Jiening
Blashewski Steven E.
Brickell John W.
Farcas Florin
Futch Richard J.
Ho Duc C
Tarolli, Sundheim Covell & Tummino LLP
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