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Powerline networking

Par Julien GROSSIN Publié le 19/10/2019 à 16:17:47 Noter cet article:
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Introduction

WIFI technology may encounter distribution problems when parts are too isolated, blocked surfaces when the wave propagation. The Powerline adaptor is used in most cases to overcome the problem of WiFi.

Powerline history

Powerline is first used for home automation. It is only from the 2000s that it will be used in a public use.

In the 1950s, this technology was used to control public lighting. The frequency that was used at that time was 10Hz.

Then, in the early 2000s many experiments were conducted. Many research projects have taken place.

In 2005, the HOMEPLUG standard arrives with a speed of about 85 Mbps.

Standards then evolved in 2007, 2010, which resulted in much higher transfer rates.

How does this work ?

This technology proposes to set up a home network where the data will flow through the electrical system of the house.

The electrical power of the home is composed of an electric meter and cable going to each socket.

The current passing through these cables is of 50Hz frequency. The principle of the PLC is to broadcast computer data on this electrical network by diffusing them simultaneously with the current flowing through it. Data circulates on the other hand at a higher frequency, but low energies. It is between 1.6 and 30 MHz.

How to use the PLC (Powerline Communication)

First you need to have an internet connection with a box provided by your ISP.

Next, connect the Internet box and the first PLC box using an RJ45 cable. T

his box should be plugged directly into an electrical outlet.

Then, simply connect your electronic device, always using an RJ45 cable to a second PLC box that will also be connected directly to an electrical outlet.

You can find these products in trade.

On certain model pairing of the two boxes (adaptor) will be done by pressing the button on them in the same time.

The PLC with WIFI

Some adaptor includes a wireless access point, it can afford to broadcast a wireless signal in an area that could be far from the router.

Is the PLC secure?

It should be known that the data transit on the electrical network, so they are difficult to access compared to a Wifi broadcast. The electric meter is supposed to block the spread outwards but some cases have led to see that the leaks seem possible.

It is therefore advisable to buy PLC boxes incorporating a data encryption system.

Bibliography

http://www.ariase.com/fr/guides/cpl.html

https://www.jechange.fr/telecom/internet/guides/courant-porteur-en-ligne-3587

https://fr.wikipedia.org/wiki/Courants_porteurs_en_ligne

http://www.clubic.com/actualite-36740-wifi-ou-cpl-deux-technos-en-test-sur-clubic-com.html

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