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interleaver is matrix in which data is entered row-wise and taken out as column-wise. In this way , data is coded.
In the receiver side, the data is again intered row-wise and the output is taken as column-wise. So, same data is recovered.
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you can see it in "Wireless Comm. " by Rappaport, 2nd ed.
dc to ac inverter schematic
YOU MAY GET VOLTAGE AS PER YOUR NEED.
FIRST MAKE A OSCILLATOR WITH GIVEN DC VOLTAGE. THEN PUT A DIVER CIRCUIT TO DRIVE OUTPUT TRANSFORMER ACCORDING TO YOUR VOLTAGE REQIREMENTS.
how to connect mobile phone to microcontroller
If your receving mobile is getting sine wave output exactly anologous to the required pulsed output, then you can convert the sine output into square wave output using ZERO CROSSING DETECTOR(ZCD).
ZCD may be prepared using any opamp very easily.
If...
You should take Eb/N0.
Another point is that if you know the bandwidth occupied in one channel (forword or reverse) i.e. B, then the bandwidth for the both channel will be 2B.
You should also add the bandwidth for control channels engaged for base station i.e C.
So, available banwidth for...
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