Systems, methods and devices for joint calibration of transmit and receive IQ mismatch
E Nayebi, P Dayal, KB Song, SCI Lu… - US Patent 11,695,614, 2023 - Google Patents
A method of compensating for IQ mismatch (IQMM) in a transceiver may include sending first
and second signals from a transmit path through a loopback path, using a phase shifter to
introduce a phase shift in at least one of the first and second signals, to obtain first and
second signals received by a receive path, using the first and second signals received by
the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by
estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using …
and second signals from a transmit path through a loopback path, using a phase shifter to
introduce a phase shift in at least one of the first and second signals, to obtain first and
second signals received by a receive path, using the first and second signals received by
the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by
estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using …
Systems, methods and devices for joint calibration of transmit and receive iq mismatch
E Nayebi, P Dayal, KB Song, SCI Lu… - US Patent App. 18 …, 2023 - Google Patents
A method of compensating for IQ mismatch (IQMM) in a transceiver may include sending first
and second signals from a transmit path through a loopback path, using a phase shifter to
introduce a phase shift in at least one of the first and second signals, to obtain first and
second signals received by a receive path, using the first and second signals received by
the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by
estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using …
and second signals from a transmit path through a loopback path, using a phase shifter to
introduce a phase shift in at least one of the first and second signals, to obtain first and
second signals received by a receive path, using the first and second signals received by
the receive path to obtain joint estimates of transmit and receive IQMM, at least in part, by
estimating the phase shift, and compensating for IQMM using the estimates of IQMM. Using …
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