Multicarrier transmission design for wireless communication in smart grid

Smart grid is the future development direction of power system, but it is difficult for the traditional data radio station to meet the new business needs. In this study, a wireless communication system combining the latest multicarrier communication technology is designed to improve the transmission rate and system reliability to realize information and interaction of smart grid. The system first respectively optimizes the signals in OFDM and GFDM by windowing and filter banks according to the characteristics of 230MHz channel, so as to realize the suppression of adjacent channel interference at the transmitter. On the other hand, in order to better adapt to the change of the channel conditions, we introduce the adaptive modulation and coding scheme (AMC). Turbo code is used and the transmission efficiency of different modulation and coding schemes is obtained by simulation. Using the Okamura-Hata model for the 230MHz band, we obtain the coverage of the cell and the corresponding system performance with different coding rates and scenarios.