Control apparatus for equalizer in broadcast receiver, monitors equalizer according to taps, and outputs convergence information about whether equalizer is in convergence state and positional information about effective taps of equalizer

摘要

#CMT# #/CMT# A monitoring unit (133) monitors equalizer (150) according to taps and outputs convergence information about whether equalizer is in convergence state and positional information about effective taps of equalizer. A controller (130) controls equalizer to equalize received signal using selected tap information, based on positional information about training string data interval of received signal and convergence information. #CMT# : #/CMT# Independent claims are also included for the following: (1) an equalizer controller; (2) an equalizer; (3) a receiver; (4) a broadcast receiving apparatus; and (5) a method of controlling operation of an equalizer. #CMT#USE : #/CMT# For controlling equalizer (claimed) in receiver (claimed) e.g. broadcast receiving apparatus (claimed). #CMT#ADVANTAGE : #/CMT# The configuration of the equalizer can be easily implemented in hardware by adaptively selecting and updating tap coefficients of the equalizer without separately estimating channel information. Performance of the equalizer can be improved using simple technique. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure shows the block diagram of an apparatus to control operation of an equalizer. 101 : synchronizer 130 : equalizer controller 133 : monitoring unit 150 : equalizer 155 : coefficient updating unit.