Method and apparatus for forming wideband PRN signals

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United States of America Patent

PATENT NO 11942948
APP PUB NO 20230283267A1
SERIAL NO

17758697

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Abstract

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An apparatus for forming wideband pseudo random noise signals includes a set of channels each comprising an NCO having a controlled frequency and phase and a PRN code generator, the NCO generating a strobe that is output to the PRN code generator. The PRN code generator forms a new sequence element of +1 or −1 in response to the strobe. The apparatus also comprises a first modulator having a plurality of weight coefficients, a plurality of multipliers each multiplying one of the weight coefficients, an adder outputting a sum of the plurality of multipliers output signals, and a mixer with a quadrature output signal multiplying the adder's output by sine and cosine of a low intermediate frequency. The apparatus also includes a processor controlling the set of channels, a transceiver module to receive and/or transmit quadrature signals, and an interface connecting the output of the mixer and the transceiver module.

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Patent Owner(s)

  • TOPCON POSITIONING SYSTEMS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bogoutdinov, Sergey Sayarovich Moscow, RU 7 4
Purto, Leonid Victorovich Moscow, RU 10 13
Rubtsov, Dmitry Anatolyevich Moscow, RU 13 5

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