Questions tagged [digital-communication]

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filter type : bypass or by pass

I am not an expert in the signal processing! I working on a simulation the interpolation ( upsampling and filter). The interpolation process was divided into two stages: stage 1: FIR - filter ( ...
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Why are ODFM pilot tones repeated?

Why are pilot tones repeated so much in OFDM? I understand the pilot tones are used for synchronization, ensuring the phase of an OFDM signal is correct. It's for fine grained control after using the ...
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how to implement an encoder in matlab

How can I encode a quantized vector in matlab ? This is a part of a problem where I am asked to implement a communication block using matlab.
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DSB-AM Spectral Efficiency

I'm studying communication systems and I have a question about Double Sideband Amplitude Modulation as to why the transmission bandwidth is twice the message bandwidth. Is it necessary the message ...
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What does this bandpass signal equation indicates?

This is the equation for bandpass signal from transmitter. What are the values for different parameters present in this equation. For example, what should be the value of P, Sl(t), Fc etc. Also what ...