METHOD AND SYSTEM FOR CALIBRATING A TRANSCEIVER ARRAY
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Abstract
A system and method for compensating phase differences between multiple local oscillators and group delay differences between multiple transceivers. The system may include; an antenna array; a plurality of transceivers connected to said antennas and operatively associated each with a local oscillator (LO), wherein at least some of the transceivers do not share a common LO, and wherein at least some of the LOs are using a common reference oscillator; a common digital beamformer circuit connected to the transceivers; a baseband processor configured to operate the system at a specified communication scheme; and a calibration circuit and software modules configured to eliminate or reduce mismatches and phase deviations between the different transceivers, wherein the calibration circuit and software modules are incorporated in system such that the elimination or reduction of mismatches and phase deviations is non-interrupting with a continuous operation of the system at the specified communication scheme.
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