IN-HOUSE BROADBAND POWER LINE COMMUNICATION PERFORMANCE TEST BENCH

摘要

A BROADBAND POWER LINE (BPL) PERFORMANCE TEST BENCH (200) FOR SIMULATING REAL ENVIRONMENT OF BPL COMMUNICATION SYSTEM DEPLOYMENT OVER ELECTRICAL POWER WIRING IS PROVIDED. THE TEST BENCH (200) COMPRISES A MAIN POWER LINE COMMUNICATION (PLC) TRANSCEIVER (203) CONNECTED TO THE ELECTRICAL POWER WIRING, A PACKET ANALYZER AND GENERATOR (206) COUPLED TO THE MAIN PLC TRANSCEIVER (203) FOR GENERATING AND TRANSMITTING TEST PACKET SIGNAL TO THE MAIN PLC TRANSCEIVER (203) AND A NOISE GENERATOR (204) COUPLED TO THE MAIN PLC TRANSCEIVER (203) FOR ADDING ADJUSTABLE TEST NOISE SIGNAL TO THE TEST PACKET SIGNAL TRANSMITTED TO THE MAIN PLC TRANSCEIVER (203). THE MAIN PLC TRANSCEIVER (203) FURTHER TRANSMITS THE TEST PACKET SIGNAL ADDED WITH TEST NOISE TO A DISTRIBUTION POINT HAVING AT LEAST ONE DISTRIBUTION BRANCH (205). THE RESPECTIVE DISTRIBUTION BRANCH (205) IS FURTHER COUPLED TO A DYNAMIC ATTENUATOR (207), INTRODUCING AN ADJUSTABLE ATTENUATION TO THE TEST PACKET SIGNAL ADDED WITH TEST NOISE SIGNAL TRANSMITTED TO THE DISTRIBUTION BRANCH. THE INFORMATION ABOUT THE TEST PACKET SIGNAL ADDED WITH TEST NOISE SIGNAL AND ATTENUATION IS THEN TRANSMITTED BACK TO THE MAIN PLC TRANSCEIVER (203) VIA A TARGET PLC TRANSCEIVER COUPLED TO THE RESPECTIVE DYNAMIC ATTENUATOR (207). THE MAIN PLC TRANSCEIVER (206) FURTHER TRANSMITS THE INFORMATION TO THE PACKET ANALYZER AND GENERATOR WHICH IS ABLE TO ANALYZE PERCEIVED QUALITY OF THE TEST PACKET SIGNAL ADDED WITH TEST NOISE SIGNAL AND ATTENUATION. (FIG. 2)