TIMING ADJUSTMENT METHOD AND APPARATUS, AND DIVERSITY RECEPTION METHOD AND APPARATUS

摘要

PROBLEM TO BE SOLVED: To correct a timing error among signals received by a plurality of antennas. SOLUTION: An A/D conversion section 20 applies analog / digital conversion to a baseband signal. A correlation processing section 22 carries out correlation processing. A power calculation section 24 calculates the power of a correlation value. An inter-signal condition discrimination section 28 compares a relation between a peak of a master signal and a peak of a slave signal with a first condition and excludes the baseband signal corresponding to the slave signal from an object of the synthesis diversity when the relation does not satisfy the first condition. An in-signal condition discrimination section 30 compares the master signal with a second condition and the slave signal with the second condition respectively and excludes it from the object of the synthesis diversity when the master signal or the slave signal does not satisfy the second condition. A timing adjustment section 32 adjusts the timing of the slave signal so as to be close to the timing of the master signal. A shift section 36 shifts the timing of a sampled signal corresponding to the slave signal. COPYRIGHT: (C)2005,JPO&NCIPI