Patent ID: 8588332
Filing Date: 2013-11-19
Classification: H03F,H04B,H04W

Abstract:
1. A method for an apparatus for generating covariance matrices A and B for each data capture of a transmit signal, the covariance matrices A and B for use in computing weights W and producing a pre-distorted transmit signal to cancel nonlinearities created by a distorting element or distorting system when transmitting the transmit signal, the method comprising: providing in the apparatus coefficient estimator circuitry configured for: establishing power level ranges or bins for the transmit signal as received and at a highest power level for the received transmit signal; when a predetermined number of data captures of the transmit signal are received that fall within the power level ranges or bins, generating covariance matrices A and B for data captures of a transmit signal having a power level below a particular threshold utilizing the extrapolated covariance matrices A and B.