The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2022
Filed:
Sep. 15, 2017
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Raihan Rafique, Lund, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
Systems and methods are disclosed herein for self-calibration of an analog beamforming transceiver. In some embodiments, a method of operation of a self-calibration subsystem of an analog beamforming transceiver comprises, for each of multiple receive antenna elements for each of multiple transmit beam directions: transmitting a signal in the transmit beam direction via multiple transmit antenna elements of a second polarization and obtaining a measurement value for a received signal received via the receive antenna element of a first polarization responsive to the transmitted signal. The method further comprises computing calibration values for the receive antenna elements of the first polarization and calibration values for the transmit antenna elements of the second polarization based on the obtained measurement values. The method further comprises applying the calibration values for the receive antenna elements of the first polarization and the calibration values for the transmit antenna elements of the second polarization.