Physical layer detection method based on ultraviolet spread spectrum communication system

• Main Authors: XU ZHENGYUAN, REN YUAN, GONG CHEN, YANG YUEKE, LI SHENGCAI
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2024
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION

The invention discloses a physical layer detection method based on an ultraviolet light spread spectrum communication system, and the method comprises the steps: designing a corresponding spread spectrum and de-spread spectrum scheme based on the characteristics of ultraviolet light communication; respectively verifying the detectability of the system for the listener models under two conditions that the listener models have priori knowledge and the listener models do not have priori knowledge; an experiment platform is designed, two ultraviolet LED lamps are used as a noise source and a signal source at a sending end respectively, a PMT is used for receiving signals at a receiving end, the arrival time interval of received photons is analyzed, and the detectability of communication is verified. According to the method, the problems of incomplete coverage of current covert communication application scenes and single detection method can be solved, the communication detectability of ultraviolet light communica