Flexible configuration for a radar monolithi microwave integrated circuit (MMIC)

Patent metadata

Field	Value
Publication number	US-11480656-B2
Application number	US-202016880306-A
Country	US
Kind code	B2
Filing date	May 21, 2020
Priority date	May 21, 2020
Publication date	Oct 25, 2022
Grant date	Oct 25, 2022

Abstract

A method of configuring a radar monolithic microwave integrated circuit (MMIC) and executing configured commands includes receiving and storing a plurality of configuration commands corresponding to unique time-dependent functions, each configuration command corresponding to a different one of the unique time-dependent functions; generating a unique command handle for each configuration command; transmitting the unique command handle for each configuration command to a controller; receiving and storing a bundled configuration command comprising a plurality of unique command handles corresponding to a set of configuration commands; generating a unique bundled command handle for the bundled configuration command; transmitting the unique bundled command handle to the controller; and receiving an execute command that includes the unique bundled command handle, where the execute command triggers execution of an execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle.

First claim

What is claimed is:

1. A radar monolithic microwave integrated circuit (MMIC), comprising:
at least one of a transmit channel for transmitting radar signals or a receive channel for receiving reflected radar signals; and
a configuration and sequencing circuit configured to receive and store a plurality of configuration commands corresponding to unique time-dependent functions, each configuration command corresponding to a different one of the unique time-dependent functions, wherein the configuration and sequencing circuit is configured to generate a unique command handle for each configuration command, and transmit the unique command handle for each configuration command to a controller,
wherein the configuration and sequencing circuit is configured to receive and store a bundled configuration command comprising a plurality of unique command handles corresponding to a set of configuration commands, generate a unique bundled command handle for the bundled configuration command, and transmit the unique bundled command handle to the controller,
wherein the configuration and sequencing circuit is configured to receive an execute command from the controller that includes the unique bundled command handle, wherein the execute command triggers the configuration and sequencing circuit to perform an execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle.

2. The radar MMIC of claim 1 , wherein the configuration and sequencing circuit is configured to transmit an execution result of the execution flow to the controller in response to completing the execution flow.

3. The radar MMIC of claim 1 , wherein:
each of the plurality of configuration commands includes a unique combination of a command identifier and a set of parameters that define at least one characteristic of a time-dependent function corresponding to the command identifier, and
the unique combination of the command identifier and the set of parameters define a corresponding unique time-dependent function.

4. The radar MMIC of claim 3 , wherein the command identifier corresponds to a single executable operation type.

5. The radar MMIC of claim 3 , wherein the unique time-dependent functions include at least one of:
a transmit calibration function for calibrating the transmit channel, a receive calibration function for calibrating the receive channel, a transmit monitoring function for monitoring the transmit channel, a receive monitoring function for monitoring the receive channel, a ramp function for generating ramp segments of a ramp signal, an event monitoring function for monitoring for a trigger event, a read function to read data from a read memory location of the radar MMIC, a write function to write data to a write memory location of the radar MMIC.

6. The radar MMIC of claim 1 , wherein the configuration and sequencing circuit is configured to receive and store a loop configuration command that defines a unique number of loop iterations, generate a unique loop command handle for the loop configuration command, and transmit the unique loop command handle to the controller.

7. The radar MMIC of claim 6 , wherein:
the execute command includes the unique loop command handle and the unique bundled command handle, and
the execute command triggers the configuration and sequencing circuit to perform the execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle according to the unique number of loop iterations.

8. The radar MMIC of claim 1 , wherein:
the bundled configuration command is a batch configuration command comprising the plurality of unique command handles corresponding to the set of configuration commands, and
the execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle includes executing at least two of the unique time-dependent functions in sequential order.

9. The radar MMIC of claim 8 , wherein the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle include a calibration function for calibrating at least one circuit component of the radar MMIC, a ramp function for generating ramp segments of a ramp signal, and a monitoring function for monitoring at least one result of the radar MMIC.

10. The radar MMIC of claim 8 , wherein:
the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle include a first ramp function for generating first ramp segments of a first ramp signal and a second ramp function for generating second ramp segments of a second ramp signal, and
the first ramp signal is defined by a first set of parameters provided in a first configuration command and the second ramp signal is defined by a second set of parameters provided in a second configuration command, the first set of parameters being different from the second set of parameters.

11. The radar MMIC of claim 1 , wherein:
the bundled configuration command is a batch configuration command comprising the plurality of unique command handles corresponding to the set of configuration commands, and
the execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle includes executing at least two of the unique time-dependent functions in parallel.

12. The radar MMIC of claim 1 , wherein:
the bundled configuration command is a fork configuration command comprising the plurality of unique command handles corresponding to the set of configuration commands that includes an event monitoring configuration command that defines a configured condition and at least two alternative execution flow paths of the execution flow corresponding to the configured condition.

13. The radar MMIC of claim 12 , wherein:
the execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle includes monitoring for the configured condition,
on a first condition that the configured condition is satisfied, executing a first unique time-dependent function corresponding to a first one of the at least two alternative execution flow paths of the execution flow, and
on a second condition that the configured condition is not satisfied, executing a second unique time-dependent function corresponding to a second one of the at least two alternative execution flow paths of the execution flow.

14. The radar MMIC of claim 13 , wherein the configured condition is a temperature threshold of an internal temperature of the radar MMIC.

15. The radar MMIC of claim 14 , wherein:
the first unique time-dependent function is a calibration function for calibrating at least one circuit component of the radar MMIC according to a first set of calibration parameters provided in a first configuration command, and
the second unique time-dependent function is a calibration function for calibrating the at least one circuit component of the radar MMIC according to a second set of calibration parameters provided in a second configuration command, the second set of calibration parameters being different from the first set of calibration parameters.

16. The radar MMIC of claim 12 , wherein the execution flow of the unique time-dependent functions corresponding to the set of configuration co

Assignees

• Infineon Technologies Ag

Inventors

• Tripathi Pranava
• Girlinger Alexander
• Kobler Rene
• Melzer Alexander
• Voggeneder Andreas

Classifications

• G01S7/032

  Constructional details for solid-state radar subsystems · CPC title

• G01S13/931

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• G01S7/4017 Primary

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• G01S2013/9314

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• G01S2013/9321

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