Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments
First Claim
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1. A method for establishing a circuit connection over a network comprising:
- determining a channel quality profile of a medium connecting a source node and a destination node;
determining a throughput required to support a data rate requirement of an application that sources data;
determining a modulation type and modulation density at one or more frequency according to the channel quality profile;
selecting one or more of a set of frequencies, modulation types and modulation densities to support the throughput; and
communicating the selection to nodes attached to the medium.
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Abstract
A method for establishing a circuit connection over a network. Determining a channel quality profile of a medium connecting a source node and a destination node. Determining a throughput required to support a data rate requirement of an application that sources data. Determining a modulation type and modulation density at one or more frequency according to the channel quality profile. Selecting one or more of a set of frequencies, modulation types and modulation densities to support the throughput. Communicating the selection to nodes attached to the medium.
34 Citations
20 Claims
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1. A method for establishing a circuit connection over a network comprising:
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determining a channel quality profile of a medium connecting a source node and a destination node; determining a throughput required to support a data rate requirement of an application that sources data; determining a modulation type and modulation density at one or more frequency according to the channel quality profile; selecting one or more of a set of frequencies, modulation types and modulation densities to support the throughput; and communicating the selection to nodes attached to the medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A network node comprising:
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a resource allocation profile unit for determining frequencies and time slots on a medium between a source node and a destination node; a channel quality unit for determining a quality of the medium between the source node and the destination node; a throughput determination unit for generating a throughput indicator; and a reservation manager for selecting one or more of the frequencies and time slots determined by the resource allocation profile unit as a function of one or more of the quality of the medium and the throughput indicator. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A network node comprising:
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a resource allocation profile unit for determining frequencies and time slots on a medium between a source node and a destination node; a channel quality unit for determining a quality of the medium between the source node and the destination node; a throughput determination unit for generating a throughput indicator; a modulation density evaluator for determining a modulation type and density at one or more frequency according to the quality of the medium; and a reservation manager for selecting one or more of the frequencies and time slots determined by the resource allocation profile unit as a function of one or more of the quality of the medium, the throughput indicator and the modulation type and density. - View Dependent Claims (17, 18, 19, 20)
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Specification