CHANNEL EVALUATION APPARATUS FOR OBTAINING PROCESSED CHANNEL EVALUATION VALUE, METHOD, AND COMPUTER PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a channel evaluation apparatus for obtaining channel evaluation value processed to the symbol position in the time space or frequency space by using the present channel evaluation value to a plurality of positions in the time space or frequency space, its method and computer program. SOLUTION: The channel evaluation apparatus is provided with:a determination device for determining quality scale showing the reliability of data evaluation value corresponding to the present channel evaluation value of data transmitted in at least two different symbol positions; a weighting device for classifying the weight of quality indicator based on the filter coefficient of symbol position filter to obtain the weighted quality scale; and a processor for obtaining the channel evaluation value processed by filtering at least two channel evaluation values from the present channel evaluation value by using filter coefficient when the comparator and the weighted quality scale shows the reliability exceeding the threshold for reliability. COPYRIGHT: (C)2008,JPO&INPIT