Multirate receive device and method using a single adaptive interpolation filter

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United States of America Patent

PATENT NO 5933467
SERIAL NO

08609237

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A device for receiving a source digital signal transmitted at one or more source symbol frequencies F.sub.s samples a received analog signal transposed into the baseband and delivers an entirely demodulated sample signal. The sampling frequency F.sub.e complies with the generalized sampling condition. A single filter module filtering the sampled signal comprises a digital filter controlled by a filter coefficient vector. The filter coefficients are determined according to a determination criterion allowing for the ratio of the sampling frequency F.sub.e to the source frequency F.sub.s, to interpolate the sampled signal, and for an analysis of the transmission path, in order to limit interference introduced by the path.

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Patent Owner(s)

  • ALCATEL N.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bertrand, Cyril Paris, FR 3 116
Sehier, Philippe Levallois, FR 25 464

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