| 摘要 |
A power line carrier communication system includes a power line, a first communication device, a second communication device, the first and second communication devices being arranged on the power line and performing a communication via the power line, a storage section that stores information on a physical position of a first communication device, a detecting section that detects a communication state between the first and second communication devices, a relative position calculating section that calculates a relative position between the first and second communication devices based on the communication state, and an arithmetic operation section that calculates a physical position of the second communication device from the relative position and the information on the physical position of the first communication device stored in the storage section, and stores information on the calculated physical position of the second communication device into the storage section.
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