公开(公告)号：US20200076671A1

公开(公告)日：2020-03-05

申请号：US16122132

申请日：2018-09-05

Applicant: NXP B.V.

Inventor： Juergen Richard Marschner ,  Robert Rutten ,  Niels Gabriel ,  Tjeu van Ansem ,  Francoise Jeannette Harmsze ,  Peter Blinzer ,  Frits Anthonie Steenhof

IPC: H04L27/38 ,  H04L27/36 ,  H03D3/00 ,  H03H7/54

Abstract: Certain aspects of the disclosure are directed to in-phase/quadrature (IQ) mismatch detection and correction in radio frequency receivers. According to a specific example, a method of manufacture or use comprises, in a quadrature radio-frequency receiver configured to process signals using I and Q components, providing parameters indicative of IQ mismatches associated with circuitry of the quadrature radio-frequency receiver due to changes in signal gain. The method further includes, while using the quadrature radio-frequency receiver to receive and process a received radio signal, correcting for the IQ mismatches by using the parameters in response to actual signal gain change.

公开(公告)号：US10708114B2

公开(公告)日：2020-07-07

申请号：US16122132

申请日：2018-09-05

Applicant: NXP B.V.

Inventor： Juergen Richard Marschner ,  Robert Rutten ,  Niels Gabriel ,  Tjeu van Ansem ,  Francoise Jeannette Harmsze ,  Peter Blinzer ,  Frits Anthonie Steenhof

IPC: H03H7/54 ,  H04L27/38 ,  H03D3/00 ,  H04L27/36

Abstract: Certain aspects of the disclosure are directed to in-phase/quadrature (IQ) mismatch detection and correction in radio frequency receivers. According to a specific example, a method of manufacture or use comprises, in a quadrature radio-frequency receiver configured to process signals using I and Q components, providing parameters indicative of IQ mismatches associated with circuitry of the quadrature radio-frequency receiver due to changes in signal gain. The method further includes, while using the quadrature radio-frequency receiver to receive and process a received radio signal, correcting for the IQ mismatches by using the parameters in response to actual signal gain change.