Patent Number: 8,817,909

Title: Polar modulator arrangement, polar modulation method, filter arrangement and filtering method

Abstract: A polar modulator arrangement includes a first and a second node to receive a signal having a first and a second component corresponding to an amplitude component and a phase component. A frequency separation device separates the first component into a low-frequency portion and a high-frequency portion depending on a cut-off frequency. The high-frequency portion is nonlinearly filtered and combined with the low-frequency portion to a first processed component. A combination element generates a polar modulated radio frequency signal as a function of the first processed component and the second component.

Inventors: Goe; Chitao (Tampere, FI), Renfors; Markku (Tampere, FI)

Assignee: Intel Mobile Communications GmbH

International Classification: H03C 1/00 (20060101)

Expiration Date: 8/26/12018