Resource pooling system and method in communication systems

Details Resource pooling system and method in communication systems Resource pooling system and method in communication systems

1996-11-08

2001-02-27

Ton, Dang (Department: 2732)

Multiplex communications

Channel assignment techniques

C370S449000

Reexamination Certificate

active

06195362

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a system and method for sharing resources in a communication system.
2. Description of Related Art
While present communication systems provide adequate bandwidth to meet present demand for communication services, current communication infrastructure capacity may be exhausted in the near future as demand increases for data, entertainment and voice communications. Because of the high cost of equipment upgrades, new techniques are needed to exploit resources available in current systems or resources of anticipated system upgrades to further increase bandwidth availability either without costly additional equipment or permitting upgrades to be added in small increments as additional capacity is required.
SUMMARY OF THE INVENTION
This invention provides a method and apparatus for pooling resources of a communication system to support nodes and end users serviced by the nodes. The nodes are coupled to a communications network through interface units that are organized into resource structures such as a pool. The interface units of the pool may be either preassigned to each of the nodes or may be allocated to the nodes based on end user requests.
Communication channels are also organized into structures such as pools. End users may acquire communication services by requesting a channel. A channel may be a frequency channel of a frequency division multiplexing protocol or a time slot of a frequency channel such as provided by time division multiplexing protocol. Each end user may be either preassigned a channel or all the channels of a node may be organized into a pool and the channels are assigned to each end user as the user issues a request.
The frequency bands used by the nodes may also be pooled. The nodes may be assigned different frequency bands from all available frequency ranges or all the nodes may share a common frequency band which is the combination of all the available frequency ranges. Each of the nodes is coupled to the backbone communication network through at least one dedicated channel. Thus, the bandwidth available to the end users is greatly expanded without expensive and complex upgrades to existing equipment.


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