Linearization apparatus and method of base station
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United States of America Patent
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N/A
Issued Date -
Sep 21, 2006
app pub date -
Dec 8, 2005
filing date -
Dec 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A linearization apparatus includes a digital transceiver circuit which RF processes a signal from an external source, an amplifier which amplifies an output of the digital transceiver circuit, and a first digital pre-distortion circuit which pre-distorts an output of the amplifier based on an inverse FFT FIR filter estimation based on one or more predetermined parameters. The external source may be an upper channel card of a base station, and the predetermined parameters may include one or more of bulk gain, bulk phase, and bulk delay.
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