Predistortion method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12212353
APP PUB NO 20240022217A1
SERIAL NO

18351623

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Abstract

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As solution for predistorting a signal is presented. The solution comprises receiving (600) as an input a signal comprising at least two signal components on a different band, sampling (602) the input signal comprising linear terms, composite non-linear terms causing intermodulation outside Nyquist band of the input signal and further non-linear terms causing intermodulation inside the Nyquist band, the further non-linear terms comprising multi-band terms. Oversampling (604) by a given factor is applied to the signal in a first predistortion circuit for processing the linear terms and composite non-linear terms causing intermodulation outside Nyquist band; processing (606) the input signal without oversampling in a second predistortion circuit in parallel with the first predistortion circuit for the further non-linear terms. The rates of the output signals of the predistortion circuits are matched (608), combined and filtered (610).

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Patent Owner(s)

Patent OwnerAddress
NOKIA SOLUTIONS AND NETWORKS OYESPOO FINLAND ESPOO SOUTHERN FINLAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Tian Dallas, US 34 83
Kularatna, Shavantha Dallas, US 28 348
Longwell, Jacob Edward Dallas, US 2 0
Novak, Peter Dallas, US 82 921
Young, Chad Dallas, US 8 30

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