| 摘要 |
PROBLEM TO BE SOLVED: To control to transmit information in substitution related to another device on which substitution transmission is considered to be necessary, and not to transmit in substitution even received information on which substitution transmission is unnecessary or will become unnecessary.SOLUTION: A communication device includes: determination means for, based on the receiving power of a plurality of radio signals received from another device during a first predetermined period, determining whether substitution transmission of the identification information of the other device is to be performed; and transmission means for transmitting in substitution the identification information of the other device, according to the determination that the substitution transmission of the identification information of the other device is to be performed. |
