US 12,392,868 B2
Radar test system
Gerhard Hamberger, Griesstaett (DE); Matthias Beer, Neubiberg (DE); Steffen Neidhardt, Dorfen (DE); Maximilian Bogner, Munich (DE); Benedikt Simper, Munich (DE); and Marius Brinkmann, Munich (DE)
Assigned to Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed by Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed on Dec. 28, 2022, as Appl. No. 18/147,653.
Claims priority of application No. 22164297 (EP), filed on Mar. 25, 2022.
Prior Publication US 2023/0305107 A1, Sep. 28, 2023
Int. Cl. G01S 7/40 (2006.01); G01S 13/931 (2020.01)
CPC G01S 7/40 (2013.01) [G01S 13/931 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A radar test system for testing a device-under-test, DUT, comprising:
an antenna array comprising:
at least two RX antennas having a different antenna polarization and at least one TX antenna, or
at least two TX antennas having a different antenna polarization and at least one RX antenna;
a selection module configured to select one RX antenna and one TX antenna of the antenna array and to connect the selected RX antenna with the selected TX antenna, wherein the selected RX antenna and the selected TX antenna are adjacent RX and TX antennas of the antenna array;
wherein the selected RX antenna is configured to receive a radar signal from the DUT; and
wherein the selected TX antenna is configured to transmit a response signal to the DUT.