Abstract
PLC (Power line communications) uses the existing power line infrastructure for communication purposes. While the majority of recent contributions have discussed PLC for high data-rate applications like Internet access or multimedia communication serving a relatively small number of users, in this paper presents a novel approach to model the transfer function of electrical power lines for broadband power line communication. The model has been verified with practical measurements conducted on actual power networks.
Highlights
The power line communication (PLC) formally joined communication systems after NOR.WEB demonstrated the technical feasibility for the transmission of the high-frequency ( > 1MHz ) signal on the low-voltage (LV) power lines [1]
On the other hand there are many challenges in using this medium for data communication; all originate from the fact that, this medium was designed for distribution of electrical power, not for communication
Computer simulation of PLC systems will enable a better understanding of the topic of data transmission over power lines, it will reveal the potentials of these systems, and the area of PLC applicability will be better defined
Summary
The power line communication (PLC) formally joined (the family of broadband wire) communication systems after NOR.WEB demonstrated the technical feasibility for the transmission of the high-frequency ( > 1MHz ) signal on the low-voltage (LV) power lines [1]. It is obvious that there are many advantages in using a power line network as a communication channel. PLC (Power Line Communication) technology takes profits from the advantage of not requiring any additional wiring [2, 3]. The broadband technology works in frequency range 150 kHz to 34 MHz and its theoretical maximum speed is 200 Mbit/s [4]. A model of the power line channel is required to simulate PLC communications. The second alternative applies the methods used to model electricity distribution networks. The chain parameter matrices describing the relation between the input and output voltage and current of a two-port network can be applied to model the transfer function of the communications channel
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