US 12,149,336 B2
System and method for remotely calibrating a phased array antenna
Michel Bellemare, Beaconsfield (CA); Saeed Daneshmand, Montreal (CA); and Guillaume Lamontagne, Saint-Eustache (CA)
Assigned to MacDonald, Dettwiler and Associates Corporation, Saint-Anne-de-Bellevue (CA)
Appl. No. 17/784,457
Filed by MacDonald, Dettwiler and Associates Corporation, Sainte-Anne-de-Bellevue (CA)
PCT Filed Dec. 10, 2020, PCT No. PCT/CA2020/051705
§ 371(c)(1), (2) Date Jun. 10, 2022,
PCT Pub. No. WO2021/113979, PCT Pub. Date Jun. 17, 2021.
Prior Publication US 2023/0006754 A1, Jan. 5, 2023
Int. Cl. H04J 13/00 (2011.01); H01Q 3/26 (2006.01); H04B 1/707 (2011.01); H04B 17/12 (2015.01)
CPC H04J 13/0003 (2013.01) [H01Q 3/267 (2013.01); H04B 1/707 (2013.01); H04B 17/12 (2015.01); H04J 13/0048 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A system for calibrating a phased array antenna (“PAA”), the system comprising:
a PAA having a plurality of array elements, the PAA connected to a processor unit; and
a remote calibration terminal;
wherein the PAA includes a reference beamforming network (“BFN”) for generating a reference beam and a calibration BFN for generating a calibration beam, and wherein the PAA applies a plurality of scrambled orthogonal codes to the calibration BFN to generate the calibration beam;
wherein the remote calibration terminal is configured to analyze the reference beam and the calibration beam to determine a calibration error for the PAA, the calibration error including a phase error and an amplitude error for each of the plurality of array elements of the PAA.