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this generation is different from the prvious generations because it will be dependent in computer networks because it will rely on IP V6 it will have different modulation methods dpending on the application to be used the main comparsions will be between WCDMA and OFDM.WCDMA is perfect for...
Re: Why Engineers earn less salary compare to Sales n Market
MAY BE IT COMZ OUT AS A JOKE BUT IT IS A TRUE IN BUSSINESS STREAM THEY MAKE EVERY IMPOSSIBLE THING POSSIBLE CAUSE IT IS RELATED TO MONEY BUT THAT NOT WORK WITH SCINCE COZ EVERY THING IS RELATED TO WORK
I THINK IT IS THE BACKBONE OF ELECTRICAL ENGINEERING .I TOOK THIS COURSE MORE THAN ONCE ALL THE INSTRUCTOR WHO USED TO TEACH THIS SUBJECT PRETEND THAT IT IS SO HARD MY ADVICE TO YOU IS TO THEM IN SIMPLE WAY WHICH LEAD TO UNDERSTAND THEM
i have a graduation project depend mainly on comparsion betweent different mobile communication systems (GSM ,iDEn,GPRS,EDGE,UMTS,HSDPA,4G)
and the comparsion fields are
1-channel coding
2-multiple Access( FDMA,TDMA...CDMA,OFDM)
3-MODULATION TECHINUQUES(QAM..BPSK...)
4-BER
5-DATA RATEAND THIS...
i am intrested in these subjects actually but the problem is that the information about these tecnolgies are considerd to be confident by Motorola so i hope any tell me is there is any difference between these tecnolgies and if there is what is the mosy important about it
Re: how to calculate SNR?
The S/N ratio is exceedingly difficult to measure without special (and very expensive) test equipment. For instance to test for S/N ratio could cost in the region of £25,000 for the equipment. A less expensive way is to introduce a special filter to exclude the video...
Given a 300 Mhz plane wave (linearly polarized ),whose average power density
=1/(15 pi) watt/m2 ,which incident obliquely from medium 1 to medium 2.the magnitude of the electric field component (s) parallel to the x-z is (are) plotted versus y in fig 1. Then: (a) determine the characteristics...
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