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Downhole communications using frequency guard bands

Roberson, M. W. (2018). Downhole communications using frequency guard bands. (U.S. Patent No. 10,082,018). U.S. Patent & Trademark Office, Washington, DC. http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10,082,018.PN.&OS=PN/10,082,018&RS=PN/10,082,018

Abstract

A system that is position able in a wellbore can include a chain of transceivers that are positionable external to a casing string. Each transceiver in the chain of transceivers can be operable to transmit a wireless signal using a separate frequency guard band that is assigned to that transceiver and to receive wireless signals using another frequency guard band assigned to a prior transceiver in the chain of transceivers.

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