# US 11,994,613 B2 · Radar device with integrated security capability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,994,613 B2 - Document ID: US11994613B2 - Status: Granted - Kind: B2 - Application number: 16/949,654 - Filed: 2020-11-09 - Published: 2021-05-13 - Granted: 2024-05-28 - Earliest claimed: 2019-11-11 - Assignees: Infineon Technologies AG - Applicants: Infineon Technologies AG - Inventors: Andre Roger; Romain Ygnace - Web page: https://patentgrep.com/patent/US11994613B2 ## CPC - G01S 7/40: Means for monitoring or calibrating - G01S 7/003: {Transmission of data between radar, sonar or lidar systems and remote stations} - G01S 7/4008: {of transmitters} - G01S 7/4021: {of receivers} - G01S 13/931: of land vehicles - G06F 21/44: Program or device authentication - G06F 21/52: during program execution, e.g. stack integrity {; Preventing unwanted data erasure; Buffer overflow} - G06F 21/71: to assure secure computing or processing of information - G06F 21/79: in semiconductor storage media, e.g. directly-addressable memories - G01S 7/4013: {involving adjustment of the transmitted power} - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A radar device is provided comprising a first processing unit, a radar circuitry, at least one security circuitry, at least one secure memory, and a secure interface arranged for communicating with a second processing unit that is external to the radar device, wherein the first processing unit is arranged to configure and/or run the radar device based on parameters obtained via the secure interface from the second processing unit. ## Claims ### Claim 1 A radar device comprising: a first processing unit; radar circuitry associated with receiving and transmitting a radio signal; at least one security circuitry; at least one secure memory comprising first information for configuring the radar device; and a secure interface configured to communicate with an external device, that is external to the radar device, comprising a second processing unit, wherein the external device does not include the radar circuitry, and wherein the first processing unit is to at least one of configure, monitor, or run the radar device based on second information associated with parameters obtained via the secure interface from the second processing unit. ### Claim 2 (depends on 1) The radar device according to claim 1, wherein the second processing unit is authenticated with the first processing unit. ### Claim 3 (depends on 1) The radar device according to claim 1, wherein a communication between the first processing unit and the second processing unit is at least partially encrypted. ### Claim 4 (depends on 1) The radar device according to claim 1, wherein the radar device is a Monolithic Microwave Integrated Circuit (MIMIC) or is part of a MIMIC. ### Claim 5 (depends on 1) The radar device according to claim 1, wherein the radar device provides an application programming interface to enable a communication with the second processing unit. ### Claim 6 (depends on 1) The radar device according to claim 1, wherein the secure interface utilizes a secured data exchange memory. ### Claim 7 (depends on 1) The radar device according to claim 1, wherein the radar circuitry includes at least one of: a phase-locked-loop, a transmission circuitry, a reception circuitry, an analog-to-digital-converter, or a filter. ### Claim 8 (depends on 1) The radar device according to claim 1, wherein the security circuitry is configured to conduct at least one of symmetric or asymmetric encryption, authentication, at least one hash function, or signature processing. ### Claim 9 (depends on 1) The radar device according to claim 1, wherein the at least one secure memory comprises at least one of a key or a seed. ### Claim 10 (depends on 9) The radar device according to claim 9, wherein at least one key is associated with an activation or a deactivation of a feature of at least one of the radar circuitry or the first processing unit. ### Claim 11 (depends on 9) The radar device according to claim 9, wherein at least one key sets a range of the radar circuitry, including at least one of the following ranges: a transmission power, a transmission bandwidth, or a sampling rate. ### Claim 12 (depends on 9) The radar device according to claim 9, wherein at least one key sets at least one of a number of available transmission channels or a number of available receiving channels. ### Claim 13 (depends on 9) The radar device according to claim 9, wherein at least one key is associated with a unique identifier that is transmitted by the radar circuitry utilizing a frequency modulated continuous wave (FMCW) or a pseudo-code for phase modulated continuous wave (PMCW) modulation. ### Claim 14 (depends on 1) The radar device according to claim 1, wherein the at least one secure memory comprises data that is used for booting the first processing unit. ### Claim 15 (depends on 1) A vehicle comprising at least one device according to claim 1. ### Claim 16 A method for operating and/or configuring a radar device wherein the radar device comprises: a first processing unit; radar circuitry associated with receiving and transmitting a radio signal; at least one security circuitry; at least one secure memory comprising first information for configuring the radar device; and a secure interface configured to communicate with an external device, that is external to the radar device, comprising a second processing unit that is external to the radar device, wherein the external device does not include the radar circuitry, and wherein the method comprises: at least one of operating or configuring the radar device via the first processing unit based on second information associated with parameters obtained via the secure interface from the second processing unit. ### Claim 17 (depends on 16) A computer program product directly loadable into a memory of a digital processing device, comprising software code portions for performing the steps of the method according to claim 16.