Methods and systems for determining a noise-robust acquisition configuration for operating a sensor system

A sensor circuit to determine an acquisition configuration for operation of a sensor system, comprising:

• a sensor interface for obtaining a sensor receive signal from the sensor system;
• an A/D converter to determine a digital receive signal from the sensor receive signal by A/D conversion of the sensor receive signal at a predefined noise scan frequency;
• a decimation circuit, configured to determine a plurality of decimated digital receive signals by integer decimation of the digital receive signal using two or more decimation rates that differ from each other, wherein each of the two or more decimation rates is associated with a respective candidate acquisition configuration;
• a noise evaluation circuit, configured to determine one or more noise measures for multiple of the candidate acquisition configurations using one or more of the plurality of decimated digital receive signals;
• and
• a configuration circuit, configured to determine the acquisition configuration for operation of the sensor system from the candidate acquisition configurations using the one or more noise measures.

A method of determining a noise-robust acquisition configuration for operation of a communication system, comprising the following steps in a noise scan:

• obtaining a receive signal from the communication system;
• determining a digital receive signal from the receive signal by A/D conversion of the receive signal at a predefined noise scan frequency;
• determining a plurality of decimated digital receive signals by integer decimation of the digital receive signal using two or more decimation rates that differ from each other, wherein each of the two or more decimation rates is associated with a respective candidate acquisition configuration;
• determining one or more noise measures for multiple of the candidate acquisition configurations using one or more of the plurality of decimated digital receive signals;
• and
• using the one or more noise measures, determining the acquisition configuration for operation of the communication system from the candidate acquisition configurations.

A communication circuit to determine an acquisition configuration for operation of a communication system, comprising:

• a communication system interface for obtaining a receive signal from the communication system;
• an A/D converter to determine digital receive signal from the receive signal by A/D conversion of the receive signal at a predefined noise scan frequency;
• a decimation circuit, configured to determine a plurality of decimated digital receive signals by integer decimation of the digital receive signal using two or more decimation rates that differ from each other, wherein each of the two or more decimation rates is associated with a respective candidate acquisition configuration;
• a noise evaluation circuit, configured to determine one or more noise measures for multiple of the candidate acquisitions configuration using one or more of the plurality of decimated digital receive signals;
• and
• a configuration circuit, configured to determine the acquisition configuration for operation of the communication system from the candidate acquisition configurations using the one or more noise measures.

A method of noise-robust acquisition operation of a sensor system, comprising:

• conducting at least one noise scan on the sensor system;
• and
• conducting at least one SN-scan on the sensor system;
• wherein
• an aperture time of an A/D conversion during the at least one noise scan is identical to or substantially an integer fraction of an aperture time of an A/D conversion of the at least one SN-scan.