RECEIVER, APPARATUS FOR GENERATING CORRECTED INVERSE SPREAD CODE, AND METHOD OF GENERATING CORRECTED INVERSE SPREAD CODE

摘要

A receiver that receives and demodulates a transmission signal modulated in a direct sequence spread spectrum and transmitted, the receiver including: a signal receiving unit that receives and acquires the transmission signal; a filter unit that removes a high-frequency component from the received signal; an A/D conversion unit that converts an output signal of the filter unit to generate a digital signal; an despread processing unit that multiplies the digital signal by an despread code to perform despread processing; and an despread-code supplying unit that generates the despread code on the basis of a corrected despread code generated by deforming a spread code included in the reception signal, which corresponds to a spread code deformed position that is a position where a signal subjected to Phase Shift Keying (PSK) modulation according to the spread code is markedly deformed, and supplies the despread code to the despread processing unit.