| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission device, a reception device, and a radio communication system that can improve the anti-eavesdropping performance and confidentiality of secret data.SOLUTION: A transmission device comprises a plurality of transmission systems including an antenna device for emitting an input radio signal as a radio wave, and switches a transmission system, a modulation scheme, an error correction code, and a carrier wave frequency used for the transmission of secret data at preset intervals on the basis of a combination pattern generated by a pattern generation unit.SELECTED DRAWING: Figure 4 |
