NDLI: Keynote II. Power line channels: frequency and time selective Part 1.-Response of indoor PLC channels

Content Provider	IEEE Xplore Digital Library
Author	Corripio, Francisco Javier Canete
Copyright Year	2007
Description	Author affiliation: University of Málaga.-francis@ic.uma.es (Corripio, Francisco Javier Canete)
Abstract	This Keynote discusses the behavior of indoor power line communications (PLC) channels when used for broadband transmission. The focus is put on the channel response characteristics and, particularly, on its time variant character. In order to create a model for a certain communication channel two strategies can be adopted. The first one is to define a structural model, based on the knowledge of the physical properties of the medium. In our case, they are: the power grid layout, the kind of wires installed, the devices connected to them and the points where transmitter and receiver are placed. From this point, a behavioral model can be derived, by calculating the transmission line parameters of the different sections of wire, the transmission matrices and, finally, the channel frequency response. That is a bottom-up approach, increasing the level of abstraction. The second one is to define directly a behavioral model, which is a simplified representation of the expected channel in a statistical sense. It should be based on some prior knowledge of the medium nature to adopt a clever mathematical model. Then, an extensive measurement campaign has to be carried out on different scenarios to adjust the statistical parameters of the model. That is to follow a top-down approach. The second kind of modeling is traditional in wireless channels. For instance, in GSM an impulse response with few echoes is assumed, and the statistical parameters are selected according to the scenario.
Starting Page	13
Ending Page	14
File Size	1710187
Page Count	2
File Format	PDF
ISBN	1424410894
DOI	10.1109/ISPLC.2007.371064
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Programmable control Power line communications Communication channels Power grids Wires Transmitters Power transmission lines Transmission line matrix methods Frequency response Mathematical model
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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