Power line communication orthogonal frequency divi
2016-08-23
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Application background
Low voltage power line carrier communication is a kind of technology which can realize data transmission and information exchange by using the existing distribution network as the transmission medium. Due to the low voltage power line carrier communication does not need to re wiring, low cost, so the smart home network and broadband access and other fields has been a great concern. However, there is a significant difference between the low voltage power line communication network and the traditional communication network, so it is very necessary to establish a model which can describe the characteristics of the low-voltage power line carrier communication channel. At the same time, due to the characteristics of low-voltage distribution network itself, in the use of their data communication exist some defects, the orthogonal frequency divided multiplexing (OFDM) technique to the frequency band utilization rate is high, flexible bandwidth of thematlab
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