| 摘要 |
PROBLEM TO BE SOLVED: To obtain a communication device capable of identifying a communication device on the opposite side in which an abnormality has occurred, by suppressing the influence of fluctuations in signal strength.SOLUTION: A communication device is made to have a configuration comprising reception means 1, abnormality detection means 2, signal analysis means 3, and abnormality identification means 4. The reception means 1 receives data signals and communication device identification signals transmitted from a plurality of communication devices by using a time division multiple access system. The abnormality detection means 2 detects a predetermined abnormality in a signal transmitted from the communication device. The signal analysis means 3 extracts an identification signal from an area in which a data signal has not been transmitted when the abnormality detection means 2 having detected the abnormality. The abnormality identification means 4 identifies a communication device in which the abnormality has occurred, on the basis of the identification signal extracted by the signal analysis means 3 and previously stored information on a communication device communicating with the own communication device.SELECTED DRAWING: Figure 1 |
