Synchronization of receiver and transmitter local oscillators for ranging applications

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12192951
APP PUB NO 20240244572A1
SERIAL NO

18618458

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Abstract

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A system and method for accurately determining a distance between two network devices using a Channel Sounding application is disclosed. The network devices each guarantee a fixed phase relationship between the transmit circuit and the receive circuit. In one embodiment, this is achieved by disposing the divider outside the phase locked loop and using the output of the divider to create the clocks for both the transmit circuit and receive circuit. In another embodiment, one or more dividers are disposed outside the phase locked loop, each having a reset, such that they can be initialized to a predetermined state. Further, by utilizing a divider with a reset, the quadrature signal generator is guaranteed to output clocks for the transmit circuit and the receive circuit that have a constant phase relationship.

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Patent Owner(s)

  • SILICON LABORATORIES INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khoury, John Austin, US 27 224
Srinivasan, Rangakrishnan Austin, US 15 20

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