US 11,754,667 B2
System and method for determining interference in a radar system
Alexander Melzer, Neutillmitsch (AT); Paul Meissner, Feldkirchen bei Graz (AT); and Mate Andras Toth, Graz (AT)
Assigned to Infineon Technologies AG, Neubiberg (DE)
Filed by Infineon Technologies AG, Neubiberg (DE)
Filed on Oct. 8, 2021, as Appl. No. 17/450,346.
Application 17/450,346 is a continuation of application No. 16/134,814, filed on Sep. 18, 2018, granted, now 11,175,376.
Prior Publication US 2022/0026521 A1, Jan. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G01S 7/02 (2006.01); G01S 7/35 (2006.01)
CPC G01S 7/023 (2013.01) [G01S 7/0232 (2021.05); G01S 7/352 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a radar transceiver comprising:
a transmitter,
a downconverter,
a first signal path having a first frequency bandwidth coupled to an output of the downconverter, and
a second signal path different from the first signal path, the second signal path comprising:
an analog filter having an input coupled to the output of the downconverter, and
an analog power detector coupled to an output of the analog filter; and
at least one processor, the at least one processor configured to:
activate the transmitter of the radar transceiver for transmitting a radar signal during a first time period,
deactivate the transmitter during a second time period different from the first time period, and
determine an interference metric based on an output of the analog power detector provided during the second time period.