MIMO-OFDM Based Power Line Communication Systems Using 50Hz Transmission Technique

Computer Science and Engineering

Power line communication is basically meant for carrying not only the electric power but also the data over the conductors and as the application alters so do the need to change the technologies, like the requirement to alter the technology in case of home automation and for internet access and in order to create a sufficient level of separation between them, they are usually differentiated by means of frequency alteration. In general the transformer present at the substation usually prevents the propagation of signal. Data rates and the distance vary in accordance with power line communication standards. Power line communication has been emanated as one of the most enduring means of communication for smart grid applications therefore sending out the control information over the same network will add only a little cost and hence opens the door for a plethora of applications. The communication over Power Line is when we are concerned about generation, transmission or deliverance of power but here our main concern is control and management of power rather than transmission or deliverance of power and this purpose can only be accomplished if we are utilizing the available resources in an efficient manner which in turn is dependent on the fast and effective transmission of data or control information over these channels. To ensure the fulfillment of these requisites there is a requirement to analyses the basic topological connections and the circuit modeling and thus determined the various control and traffic problems associated with the transmission of this information which usually varies according to applications. Therefore OFDM (BPSK, QPSK, and QAM) has been utilized for the purpose of analysis of the channel performance while ensuring the speed and robustness of the channel to be the main criteria for any kind of services or applications .Moreover there usually arises a problem of power failure and reliable communication over remote locations and therefore the solution for it is an interfacing between wired and wireless communication technologies.

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