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US 6,590,876 B1Granted
Direct path matrix communication system and method
AssigneeLucent Technologies Inc.
InventorKenneth Wayne Brent
Life of this patent
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Abstract
A system and method for directly converting encoded speech-frames in a communication system which has a transmitting unit that transmits an input signal of an input modulation type, a receiving unit that receives an output signal of an output modulation type and a direct interface system that directly interfaces the input signal to the output signal.
Claims42
A mobile telephonic communication system, comprising:
- a transmitting unit for transmitting an input signal corresponding to an input modulation type from a group of modulation types including time division multiple access and code division multiple access;
- a receiving unit for receiving an output signal corresponding to an output modulation type, and
- a direct interface system directly interfacing the input signal to the output signal wherein the direct interface system further includes;
- a transmit interface circuit directly interfacing the input signal to a data path signal;
- and
- a receive interface circuit directly interfacing the data path signal to the output signal wherein the transmit interface circuit further includes:
- a plurality of input modulation types, one of which represents the modulation type corresponding to the input signal;
- a plurality of output modulation types, one of which represents the modulation type corresponding to a data path signal, and
- an interface matrix which directly interfaces the modulation type corresponding to the data path signal to the modulation type corresponding to the input signal.
6 more elements
A mobile telephonic communication system, comprising:
- a transmitting unit for transmitting an input signal corresponding to an input modulation type of modulation types including time division multiple access and code division multiple access;
- a receiving unit for receiving an output signal corresponding to an output modulation type, and
- a direct interface system directly interfacing the input signal to the output signal wherein the direct interface system further includes;
- a transmit interface circuit directly interfacing the input signal to a data path signal;
- and
- a receive interface circuit directly interfacing the data path signal to the output signal wherein the receive interface circuit further includes;
- a plurality of input modulation types, one of which represents the modulation type corresponding to the output signal;
- a plurality of output modulation types, one of which represents the modulation type corresponding a data path signal;
- and
- an interface matrix which directly interfaces the modulation type corresponding to the data path signal to the modulation type corresponding to the output signal.
7 more elements
A system for routing data from a transmit unit to a receive unit, comprising:
- a plurality of input modulation types, one of which represents the modulation type of
- the input signal from the transmit unit;
- the modulation types include time division multiple access and code division multiple access;
- a plurality of output modulation types, one of which represents the modulation type of the data to the receive unit;
- and
- an interface matrix which selects one output modulation type corresponding to the modulation type of the input signal from the transmit unit;
- wherein the interface matrix directly interfaces the one output modulation type to the modulation type of the input signal with no more than one modulation conversion;
- wherein the input modulation type is global standard for mobile communications and the output modulation type is time division multiple access or code division multiple access.
5 more elements
Dependencies are inferred from the claim text.