Patent attributes
A communication system for communicating with a communication terminal located on a communication medium. The system includes a plurality of communicators, disposed in contact with or in proximity to the communication medium, for communicating with the communication terminal via the communication medium, a detector for detecting reception levels of a signal transmitted from the communication terminal and received via the plurality of communicators, and an associator for associating the communication terminal with one of the plurality of communicators by comparing reception levels of the signal transmitted and received by each of the communicators.