Patent ID: 7366225

Claim:
A method to generate a weight for generating a reception beam in a signal reception apparatus, the method comprising the steps of: calculating the weight for generating the reception beam based on a reception signal, an output signal generated by using the reception signal, the reception beam, and the weight, using one of a first technique and a second technique; performing a control operation such that the weight is calculated using the first technique if a difference between an error sum value at a current time and an error sum value at a previous time is greater than an absolute value of a first threshold or the error sum value at the current time is greater than or equal to a second threshold; and performing a control operation such that the weight is calculated using the second technique if the different between the error sum value at the current time and the error sum value at the previous time is less than or equal to the absolute value of the first threshold and the error sum value at the current time is less than the second threshold; wherein the error sum value at a previous time is a sum of error values during a time interval from a first timing point to a second timing point, the error sum value at the current time is a sum of error values during a time interval from a third timing point to a fourth timing point, and the second timing point is equal to the third timing point or different from the third timing point.