Patent ID: 6414988
Filing Date: 2002-07-02
Classification: H04B,H04L

Abstract:
An apparatus for receiving an information signal, comprising:means for performing pilot channel estimation based on a pilot sub-channel signal to produce a pilot channel estimate; first means for extracting a first sub-channel signal from said information signal; first means for performing channel estimation, operably connected to said first means for extracting, for producing a first channel estimate; a channel estimate combiner, operably connected to said means for performing pilot channel estimation and said first means for performing channel estimation, for combining said pilot channel estimate and said first channel estimate to produce a combined channel estimate; second means for extracting a second sub-channel signal from said information signal; and a first dot product module, operably connected to said channel estimate combiner and said second means for extracting, for producing a sub-channel symbol stream based on said second sub-channel signal and said second channel estimate.