Research on Low-Voltage Power Line Communication Technology

First of all,based on the current major research directions of low-voltage power line communication technology expounded,the paper summarizes the latest research achievements and corresponding schemes of domestic and overseas scholars,including impedance characteristics,noise characteristic,attenuation characteristic of signal and channel models.Secondly,the modulation-demodulation technology of low-voltage power line communication is analyzed emphatically,which is regarded as the research highlight at present and consists of the frequency-hopping modulation/demodulation technology and orthogonal frequency division multiplexing technology(OFDM).Finally,the future research direction and development potential of low-voltage power line communication technology are prospected.