Questions tagged [digital-communication]

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Configuring UART Port to 115200 on Renesas RX130 using Code Generator

Does anyone have insights into configuring UART port on Renesas RX130 microcontroller for a bit rate of 115200? I have successfully configured for a 9600, 19200, and 38400. I can read from the MCU and ...
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0answers
13 views

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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6 views

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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0answers
32 views

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 ...
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1answer
27 views

why can't remove the Image frequency using a band-pass filter?

why can't remove the Image frequency using a band-pass filter? I've been asked to search for the reason why we can't use BPF (band-pass filter) in order to remove the effects of the Image frequency? I'...
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1answer
277 views

Maximum Information Rate

I am reading B. P Lathi, Modern Analog and Digital Communication. In it, there is a topic where the author says that maximum information rate is two pieces of information per second per hertz. Now I ...
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2answers
200 views

Python delays on Raspberry Pi

I'm trying to simulate a compound action potential for calibrating research instruments. The image below is a small overview of the design. I've already completed the data acquisition from a live ...
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1answer
69 views

How is an digital coherent receiver able to achieve 100 Mhz line-scan rate for detecting coherent light in the presence of incoherent light?

Recently, I read an October 2006 IEEE JOURNAL OF LIGHTWAVE TECHNOLOGY, article titled, High-Sensitivity Detection of Narrowband Light in a More Intense Broadband Background Using Coherence ...
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1answer
111 views

What is Byte Alignment Time in radio communication?

According to this paper, which deals with time synchronization in wireless networks, this kind of delay occurs, however I do not understand its explanation. The paper says the reciever (radio) has to ...