校正传送器／接收器的第一、第二讯号路径之间的不匹配的宽频校正方法与宽频校正装置;WIDEBAND CALIBRATION METHOD AND WIDEBAND CALIBRATION APPARATUS FOR CALIBRATING MISMATCH BETWEEN FIRST SIGNAL PATH AND SECOND SIGNAL PATH OF TRANSMITTER/RECEIVER

摘要

一种用于一接收器的一同相讯号路径与一正交讯号路径不匹配的校正方法，包含有：利用该接收器经过该第一讯号路径与该第二讯号路径来接收至少一测试讯号，其中每一测试讯号分别具有一特定频率，且都位于一特定频宽内；针对每一测试讯号分别计算至少一校正系数，以校正每一测试讯号所对应之该特定频率下，该接收器之该第一讯号路径以及该第二讯号路径之间的不匹配；依据每一测试讯号之该至少一校正系数来得到一校正滤波器单元中的一校正滤波器的一抽头系数；以及利用该校正滤波器单元来校正所接收的一接收讯号。; calculating at least one calibration coefficient for each test signal respectively, so as to calibrate mismatch between the first signal path and the second signal path of the receiver with respect to the specific frequency corresponding to each test signal; deriving a tap coefficient of a calibration filter of a calibration filter unit according to the at least one calibration coefficient of each test signal; and utilizing the calibration filter unit to calibrate a received signal.