Abstract
Although OFDM has become a widely used method for transmitting digital data on multicarrier frequencies in wideband digital communication, this scheme has barely been used for near field inductive communication. Therefore, in this paper, OFDM is applied to three inductive communication systems including two, three and four node systems in order to transmit data over inductive channels. Furthermore, the channel responses for these three circuits are analysed in details to clarify the accurate inductive channels for data transmission that were defined alternatively in other papers. Besides, the effects of second neighbour interaction on inductive systems are also included in this work. More importantly, the OFDM scheme has been simulated in MATLAB and implemented in MATLAB SIMULINK in order to verify the method in either theory or practice. The BER versus SNR performances obtained by simulation and implementation are compared with the theoretical results to verify the data transmission errors.
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