公开(公告)号：US20210351961A1

公开(公告)日：2021-11-11

申请号：US17232379

申请日：2021-04-16

Applicant: NXP B.V.

Inventor： Ulrich Andreas MUEHLMANN ,  Wolfgang Hrauda ,  Gregor Hauseder ,  Tim Daniel Raspel

IPC: H04L25/03 ,  G06K7/10 ,  H04B5/00

Abstract: In accordance with a first aspect of the present disclosure, a channel equalizer is provided for use in a near field communication (NFC) device, the channel equalizer comprising: a filter configured to receive an input signal and to generate a filtered output signal; an estimator configured to determine filter coefficients to be used by said filter; a synchronizer configured to determine when to enable the channel equalizer and to provide one or more corresponding control signals to the estimator. In accordance with a second aspect of the present disclosure, a corresponding method of operating a channel equalizer for use in a near field communication (NFC) device is conceived.

公开(公告)号：US11588668B2

公开(公告)日：2023-02-21

申请号：US17232379

申请日：2021-04-16

Applicant: NXP B.V.

Inventor： Ulrich Andreas Muehlmann ,  Wolfgang Hrauda ,  Gregor Hauseder ,  Tim Daniel Raspel

IPC: H04L25/03 ,  G06K7/10 ,  H04B5/00

Abstract: In accordance with a first aspect of the present disclosure, a channel equalizer is provided for use in a near field communication (NFC) device, the channel equalizer comprising: a filter configured to receive an input signal and to generate a filtered output signal; an estimator configured to determine filter coefficients to be used by said filter; a synchronizer configured to determine when to enable the channel equalizer and to provide one or more corresponding control signals to the estimator. In accordance with a second aspect of the present disclosure, a corresponding method of operating a channel equalizer for use in a near field communication (NFC) device is conceived.