RECEIVING APPARATUS AND RECEIVING METHOD

• Main Authors: KOMA, Ryo, IGARASHI, Ryo
• Format: Patent
• Language: English
• Published: 14.12.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

One aspect of the present invention is a receiving apparatus including a reception unit that receives signal light frequency-modulated by a signal obtained by adding a main signal and a control signal having a lower frequency than the main signal, and converts the signal light into an analog electric signal, and a processing unit that acquires a code sequence corresponding to the control signal on the basis of the analog electric signal, in which the processing unit includes a frequency offset amount acquisition unit that acquires a frequency offset amount of the signal light acquired on the basis of the analog electric signal, and a determination unit that determines the code sequence corresponding to the control signal on the basis of the frequency offset amount acquired by the frequency offset amount acquisition unit.