Channel adaptive equalization precoding system and method
First Claim
1. A method for reducing the interference occurring on a signal having inter-symbol interference (ISI) portion, the communications system including a first node, the first node comprising a first transmission unit and a first reception unit, the first transmission unit comprising a precoder, the first reception unit comprising an equalizer, the method comprising the steps of:
- receiving a first data signal at said first node, said first data signal traversing from said second node to said first node along a first signal channel;
equalizing said first data signal;
generating a set of equalization coefficients corresponding to the equalization of said first data signal traversing said first signal channel;
generating a second data signal at said first node;
equalizing said second data signal using said set of equalization coefficients to equalize said second data signal, to generate a precoded equalized data signal; and
transmitting said precoded equalized data signal over a second signal channel.
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Abstract
A system and method for delivering increased speed, security, and intelligence to wireline and wireless systems. The present invention includes a new generation Fast Circuit Switch (packet/circuit) Communication processors and platform which enables a new Internet Exchange Networking Processor Architecture at the edge and core of every communication system, for next generation Web Operating System or Environment (WOE) to operate on with emphasis of a non-local processor or networking processor with remote web computing capabilities.
324 Citations
21 Claims
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1. A method for reducing the interference occurring on a signal having inter-symbol interference (ISI) portion, the communications system including a first node, the first node comprising a first transmission unit and a first reception unit, the first transmission unit comprising a precoder, the first reception unit comprising an equalizer, the method comprising the steps of:
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receiving a first data signal at said first node, said first data signal traversing from said second node to said first node along a first signal channel;
equalizing said first data signal;
generating a set of equalization coefficients corresponding to the equalization of said first data signal traversing said first signal channel;
generating a second data signal at said first node;
equalizing said second data signal using said set of equalization coefficients to equalize said second data signal, to generate a precoded equalized data signal; and
transmitting said precoded equalized data signal over a second signal channel. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for transmitting a target data signal over a signal channel, said target data signal having an inter-symbol interference (ISI) portion, the system comprising:
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an equalizer, for receiving a data sample signal and for generating at least one set of coefficients corresponding to characteristics of said signal channel and for performing equalization operation on said data sample signal, to reduce the ISI portion;
a precoder, coupled to said equalizer, for receiving said at least one set of coefficients to equalize said target data signal and for generating a precoded equalized target data signal; and
a transmitter, for receiving said precoded equalized target data signal and for transmitting said precoded equalized target data signal over said signal channel. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification