power line communication
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tejasj
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#1
03-08-2010, 09:34 AM


i am the student of E&TC engg.i want a ppt on power line communication .
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Zigbee
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#2
17-08-2010, 05:11 PM

Hi,
visit these threads for ppt and report on power line communication:
topicideashow-to-broadband-over-power-line-bpl?page=1
topicideashow-to-powerline-communication-full-report
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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seminar flower
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#3
13-10-2012, 11:57 AM

Power Line Communications


.doc   Power Line.doc (Size: 38 KB / Downloads: 47)

Introduction

This project and implimentation is called Power Line Communications. This means the main objective is sending some type of signal over a power line, using modulation or another similar method to transmit the signal over the line, where it can be picked up and demodulated or make usable again by some other method.
This project and implimentation was selected because it solves a common problem many people have today, which is sending signals throughout a building without running additional wires. Our idea involves placing a light sensor outside of the home, and using boxes inside the home connected to lamps, etc, it would turn them on or off based on the light level outside. This is an exciting project and implimentation because it is something which is very marketable, and could make peoples homes safer, since the lights would turn on even when they are not home.

Verification Measures

The performance of this system will be based on its ability to accurately transmit and receive data. This may be shown as a specified distance requirement, such as being able to transmit over an internal power line distance of, say, 100 or 200 feet. This amount would be determined by the normal maximum distance required to transmit from any point in the house to any other point, the farthest distance away. Other performance requirements would be the ability of the PIC or other microprocessor to accurately encode X10 signals from the sensor data, and decode the X10 back into usable data. Other requirements which should be met are the the power handling of the receiver, and hysteresis of the sensor (constant switching during an intermediate light level can be avoided using an op-amp). Appropriate graphs could include a spectral analysis, or FFT of power line signals to make sure there isn’t too much noise in the band X10 uses to transmit. Also, simulation graphs, showing input and output signals from the PIC would verify that the programming is performing correctly, and purposeful data malfunctions to judge system adaptability to errors or data corruption resulting from any power line situation which may commonly occur.
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