Method and apparatus for signal transmission and reception
First Claim
1. A communications system, comprising:
- a rotation element for wavelet synthesizing a parallel data set into a serialized signal;
a test signal generator for generating a test signal component within said serialized signal; and
a transmitter element, in communication with said rotation element, for transmitting said serialized signal over a transmission link.
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Accused Products
Abstract
Serial input data is partitioned into parallel data elements prior to rotation by an invertible linear mapping. The resulting frames of parallel signal elements are sequentially transmitted over the link. After receipt from the link, the signal is demodulated and assembled into frames of parallel signal elements which are de-rotated by an inverse linear mapping. The recovered parallel data elements are then re-assembled into serial output data. The linear mapping employs: 1) commuting rotation matrices for convolutionally rotating data vectors into signal vectors and vice-versa; 2) filter bank polyphase rotation matrices; or 3) computationally efficient multi-rate wavelet filter banks. Coefficients of the rotation matrix of the receiver are adaptively equalized to correct for transmission path distortion. A test signal may be inserted on the transmit side for receiver synchronization or link distortion characterization.
210 Citations
36 Claims
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1. A communications system, comprising:
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a rotation element for wavelet synthesizing a parallel data set into a serialized signal;
a test signal generator for generating a test signal component within said serialized signal; and
a transmitter element, in communication with said rotation element, for transmitting said serialized signal over a transmission link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A data communications system for receiving a serialized signal and for substantially recovering an original parallel data set from which said serialized signal is generated, comprising:
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a receiver element for receiving said serialized signal including a test signal component from a transmitter element via a transmission link;
an inverse rotation element, in communication with said receiver element, for receiving said serialized signal from said receiver element and for wavelet analyzing said serialized signal into a recovered parallel data set; and
a test signal extraction element for extracting said test signal component from said received, serialized signal, wherein said wavelet analysis is the inverse of a wavelet synthesis applied to said original parallel data set in generating said serialized signal. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A communications system, comprising:
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a rotation element for wavelet synthesizing an original parallel data set into a serialized signal;
a test signal generator for generating a test signal component within said serialized signal;
a transmitter element, in communication with said rotation element, for transmitting said serialized signal over a transmission link;
a receiver element for receiving said serialized signal including a test signal component from said transmitter element via said transmission link;
an inverse rotation element, in communication with said receiver element, for receiving said serialized signal from said receiver element and for wavelet analyzing said serialized signal into a recovered parallel data set; and
a test signal extraction element for extracting said test signal component from said received, serialized signal, wherein said wavelet analysis is the inverse of said wavelet synthesis applied to said original parallel data set in generating said serialized signal.
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Specification