Wireless communication system

Patent Granted PROBLEM TO BE SOLVED: To obtain a wireless communication system that has a wireless transmission device, which is provided with a highly-efficient amplifier and facilitates its configuration, and a wireless receiver. ; SOLUTION: The wireless transmission device 10 is provided with a serial-parallel converter 11, a constant envelope modulator 12 and a D/A converter 13 which modulate a digital signal of each channel to a constant envelope modulated signal respectively so as to convert the digital signal into an analog signal, a frequency converter 14 for converting the signal of each channel into a different carrier frequency, the amplifier 15 for amplifying the constant envelope modulated signal of each channel, and an antenna 19 that wirelessly transmits the amplified signal into space for each channel.