Abstract
Powerline communication (PLC) is a versatile method that uses existing infrastructure such as power cables for data transmission. This makes PLC an alternative and cost-effective technology for the transmission of sensor and actuator data by making dual use of the power line and avoiding the need for other communication solutions; such as wireless radio frequency communication. A PLC modem using DSSS (direct sequence spread spectrum) for reliable LIN-bus based data transmission has been developed for automotive applications. Due to the almost complete system implementation in a low power microcontroller; the component cost could be radically reduced which is a necessary requirement for automotive applications. For performance evaluation the DSSS modem was compared to two commercial PLC systems. The DSSS and one of the commercial PLC systems were designed as a direct conversion receiver; the other commercial module uses a superheterodyne architecture. The performance of the systems was tested under the influence of narrowband interference and additive Gaussian noise added to the transmission channel. It was found that the performance of the DSSS modem against singleton interference is better than that of commercial PLC transceivers by at least the processing gain. The performance of the DSSS modem was at least 6 dB better than the other modules tested under the influence of the additive white Gaussian noise on the transmission channel at data rates of 19.2 kB/s.
Highlights
Power line communication (PLC) is a versatile method using existing infrastructure like power cables for data transmission
The Direct sequence spread spectrum (DSSS) modem was compared with two commercial PLC modems which are qualified for automotive applications based on a direct conversion receiver and a superhet receiver
It was shown that the performance of the DSSS modem against single-tone interference was as expected about the processing gain PG of 8 dB better than the commercial modules
Summary
Power line communication (PLC) is a versatile method using existing infrastructure like power cables for data transmission This makes PLC an alternative and cost-efficient technology by the dual use of the powerline to other communication solutions like wireless radio frequency communication. PLC technology is a good alternative to wireless communication and is intended for use such as home automation, smart grid, city automation and cyber-physical systems as well as long-range communication. Another approaching field for PLC systems is given by the application in vehicular-, ship-, and aircraft- technology [4,5,6,7,8,9,10,11,12,13,14]
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