Document Type and Number:
Japanese Patent JPWO2023032082
Kind Code:
A1
Abstract:
A transmission device (1) includes a modulation unit (14) that modulates photons with a predetermined data pattern, a synchronization signal generation unit (12) that generates a frame synchronization signal with a random data pattern, an identification signal generation unit (13) that divides a frame into multiple subframes and generates subframe identification signals indicating the subframes, and a transmission unit (17) that transmits the photons modulated by the modulation unit (14), the frame synchronization signal, and the subframe identification signals. A reception device (2) includes a reception unit (30) that receives the photons, the frame synchronization signal, and the subframe identification signals transmitted from the transmission unit (17), a decoding unit (21) that detects and decodes the data pattern from the photons, a time measuring unit (26) that measures an elapsed time from the subframe identification signal to the detection of the photons in each subframe, and a detection time calculation unit (27) that calculates, on the basis of the elapsed time, a photon detection time from the frame synchronization signal to the detection of the photons in one frame.
Application Number:
JP2023544875A
Publication Date:
March 09, 2023
Filing Date:
September 01, 2021
Export Citation:
