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International Journal of Automotive Technology > Volume 14(4); 2013 > Article
International Journal of Automotive Technology 2013;14(4): 625-632.
IN-CAR POWER LINE COMMUNICATIONS: ADVANCED TRANSMISSION TECHNIQUES
M. ANTONIALI
University of Udine
ABSTRACT
The increasing number of electronic control units (ECUs) inside a vehicle implies the need to develop and deploy on board robust, low latency and low complex telecommunication systems. In this respect, power line communications (PLC) is an attractive solution. The benefits provided by the introduction of power line communications in the in-car environment are multiple and they are related to the possibility of exploiting the existing and capillary wiring infrastructure to simplify the design of the in-vehicle data network (IVN) and, more importantly, to save weight and cost of the wiring harness. In this paper, we deal with the analysis of the performance achievable by applying innovative advanced modulation techniques to in-car measured power line channels, i.e., multicarrier (MC) and impulsive ultra wideband (I-UWB) modulation. We show that for low speed command and control applications, I-UWB is suitable since it requires lower power and lower computational efforts w.r.t. MC systems. Furthermore, we study the design of the optimal transmitted pulse to further improve the performance of I-UWB.
Key Words: In-vehicle data network, In-vehicle communications, In-car power line communications, Multicarrier modulation, Impulsive ultra wideband transmission
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