Patent Number: 7,042,928

Title: Method and apparatus for pilot estimation using prediction error method

Abstract: A system is disclosed for use in a wireless communication system to provide an estimated pilot signal. The system includes a receiver and a front-end processing and despreading component in electronic communication with the receiver for despreading a CDMA signal. A pilot estimation component is in electronic communication with the front-end processing and despreading component for estimating an original pilot signal using a pilot estimator that includes a Kalman filter to produce a pilot estimate. The Kalman filter is determined through use of a prediction error method based on an innovations representation of the original pilot signal. A demodulation component is in electronic communication with the pilot estimation component and the front-end processing and despreading component for providing demodulated data symbols.

Inventors: Abrishamkar; Farrokh (San Diego, CA), Kreutz-Delgado; Kenneth (San Diego, CA)

Assignee: Qualcomm Incorporated

International Classification: H04B 15/00 (20060101); H04K 1/00 (20060101); H04L 27/30 (20060101)

Expiration Date: 5/09/02018