PROBLEM TO BE SOLVED: To provide a communication method of a frequency hopping system, a communication device of the frequency hopping system, and a program for the communication method, which surely start radio communication and reduce the occurrence of data errors and the occurrence of retransmission caused by data errors.;SOLUTION: A transmission power control part 111 is provided with; a channel selection part 201 for selecting a corresponding register in accordance with a channel designation signal from a channel control part 109; a noise level register 202 for holding a noise level in each of frequency channels 0 to n; a transmission power setting register 203 for setting a transmission power for each of frequency channels 0 to n; and a data conversion part 204 for generating an amplification factor control signal for controlling an amplification factor of an amplifier 110, from a set value of the transmission power setting register 203.;COPYRIGHT: (C)2005,JPO&NCIPI
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