| 摘要 |
The present invention relates to a communication system (10, 30) for transmission of data signals over a power line (15, 35) comprising at least one data generating arrangement (11, 31), transceivers and line couplers (14, 34) for coupling data to said line power. The system comprises a microwave transmitter between said transceiver and said line coupler, which transceivs said data signal as electrical field on a surface of said power line.
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