APPARATUS FOR REMOVING A PASSIVE INTERMODULATION DISTORTION AND METHOD THEREOF

PURPOSE: An apparatus and method for removing a PID(Passive InterModulation) distortion are provided to generate a digital PIM signal by synthesizing a converted digital signal. CONSTITUTION: A PIM filter unit(306) generates a virtual PIM signal by using a filter coefficient from a PIM filter coeffi...

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Bibliographic Details
Main Authors RHO, WI SANG, AHN, BYUNG YANG, KOH, JONG SEOG
Format Patent
LanguageEnglish
Korean
Published 05.12.2011
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PURPOSE: An apparatus and method for removing a PID(Passive InterModulation) distortion are provided to generate a digital PIM signal by synthesizing a converted digital signal. CONSTITUTION: A PIM filter unit(306) generates a virtual PIM signal by using a filter coefficient from a PIM filter coefficient updating unit and a component of a digital PIM signal generated by a PIM synthesizer. The PIM filter unit filters the virtual PIM signal by using the filter coefficient. A frequency converter(307) transfers the frequency of the virtual PIM signal filtered in the PIM filter unit to a baseband frequency of a receiving signal. A PIM removing unit(308) removes a PIM distortion element from a digital receiving signal of the baseband by using the virtual PIM signal transferred by the frequency converter.
Bibliography:Application Number: KR20100049552