Methods and apparatus for phase noise estimation in data symbols for millimeter wave communications
MN Islam, T Luo, S Subramanian, J Cezanne… - US Patent …, 2019 - Google Patents
Certain aspects of the present disclosure relate to methods and apparatus for phase noise
estimation in data symbols for millimeter wave (mmW). A method for wireless …
estimation in data symbols for millimeter wave (mmW). A method for wireless …
Wideband quadrature error correction
R Hormis, SR Bal, KG Gard, J Fan, DJ McLaurin… - US Patent …, 2016 - Google Patents
(57) ABSTRACT A transmission module is provided that includes a transmitter, a loopback
receiver, and a QEC controller. In a first state, the QEC controller calibrates the loopback …
receiver, and a QEC controller. In a first state, the QEC controller calibrates the loopback …
Wideband quadrature error detection and correction
R Hormis, SR Bal, A Montalvo, DJ McLaurin… - US Patent …, 2021 - Google Patents
A transmission module is provided that includes a transmitter, a loopback receiver, and a
QEC controller. The QEC controller identifies quadrature imbalance in the transmitter based …
QEC controller. The QEC controller identifies quadrature imbalance in the transmitter based …
System and method quadrature error detection and correction
RP Schubert, M Medlock, W An - US Patent 9,350,487, 2016 - Google Patents
In an example, there is disclosed a system and method for detecting and correcting error in a
quadrature receiver (QR). The QR may include a receiver channel operable to divide a …
quadrature receiver (QR). The QR may include a receiver channel operable to divide a …
Apparatus and methods for wide bandwidth analog-to-digital conversion of quadrature receive signals
A Montalvo, RP Schubert - US Patent 9,577,689, 2017 - Google Patents
Apparatus and methods for analog-to-digital conversion of quadrature receive signals are
provided herein. In certain implementations, a transceiver system includes at least a first pair …
provided herein. In certain implementations, a transceiver system includes at least a first pair …
Quadrature error detection and correction
RP Schubert, M Medlock, W An - US Patent 9,356,732, 2016 - Google Patents
In an example, there is disclosed a system and method for detecting and correcting error in a
quadrature receiver (QR). The QR may include a receiver channel operable to divide a …
quadrature receiver (QR). The QR may include a receiver channel operable to divide a …
IQ mismatch correction module
JHW Wenzel, R Rutten, EJ Pol, J Van Sinderen… - US Patent …, 2019 - Google Patents
The disclosure relates to an IQ mismatch correction module for a radio receiver, the IQ
mismatch correction module comprising: an input terminal configured to receive an input …
mismatch correction module comprising: an input terminal configured to receive an input …
Quadrature error correction using polynomial models in tone calibration
W An, RP Schubert, Y Stein - US Patent 9,281,907, 2016 - Google Patents
One example embodiment provides a system, apparatus, and method for using polynomial
models in tone calibration for quadrature error correction in I/Q receivers. In one example …
models in tone calibration for quadrature error correction in I/Q receivers. In one example …
Multi-tap IQ imbalance estimation and correction circuit and method
N Viswanathan - US Patent 8,976,914, 2015 - Google Patents
A system for correcting gain imbalance and phase imbalance between first (I OUT) and
second (Q OUT) signals which are 90 out of phase, including circuitry for estimating the …
second (Q OUT) signals which are 90 out of phase, including circuitry for estimating the …
Circuit, method, and receiver apparatus for performing on-the-fly IQ mismatch compensation
WC Li, CJ Hsu, CH Peng - US Patent 10,277,450, 2019 - Google Patents
ABSTRACT A method employed by a circuit included within a receiver apparatus and
configured for performing IQ mismatch com pensation when receiver apparatus is operating …
configured for performing IQ mismatch com pensation when receiver apparatus is operating …