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Talha Rahman


UNITN

Last seen: 1 year ago |  Active since 2011

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About Time varying Channel
Dear All, I am dealing with time varying-ness of a fading channel. In time varying fading channel ....the channel varies with...

12 years ago | 0 answers | 0

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.wav file and subcarrier numbers in Multicarrier systems
Dear all, I have a confusion here. I am implementing a system in which input is an audio file ".wav". and when i convert this...

12 years ago | 0 answers | 0

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Question


Video transmission
Dear All, Could you guys tell me how can transmit video over a channel and recreate that video again at receiver. Channel inc...

13 years ago | 0 answers | 0

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Answered
Computing CDF????
Thanx Image Analyst, that is a great explanation. Let me elaborate what i was asking. I meant, is it possible to have single CDF...

13 years ago | 0

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Computing CDF????
Hi all, Does anyone of you know how to calculate cdf plot using following data sets: A = [10 10 10 5 3 3...

13 years ago | 5 answers | 0

5

answers

Answered
Scaling Factor at receiver
Hi Mr. Walter, i think you were wrong about not scaling the constellation at receiver. In fact, when i didn't i had my error ...

13 years ago | 0

Answered
Scaling Factor at receiver
So it means no scaling at the receiver.... doesn't matter what modulation i am employing at transmitting ...receiver doesn't bot...

13 years ago | 0

Question


Scaling Factor at receiver
Dear All, I am wondering if we need to re scale our modulations symbols at receiver. Let me put this way, suppose we have 64Q...

13 years ago | 3 answers | 0

3

answers

Answered
Help with power management telecommunication problem (Nash equilibrium)
Hey Jim, I looked at your code and i think you are confused how to plot graph between cost function and total utility. First...

13 years ago | 0

Question


path gains and impulse response
Dear all, can any1 tell me how can i compute path gains from channel impulse response. I am obtaining my channel coefficients ...

13 years ago | 0 answers | 1

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answers

Question


how would i know that how many bits should i sent in an OFDMA signal to meet 10Kbps requirements?
Dear all, i would like to know how many bits should i allocate in an OFDM symbol in order to meet 10kbps requirement. Let me cl...

13 years ago | 0 answers | 0

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answers

Question


Strange Behaviour of Adaptive SC-FDMA
Dear all, i have been simulating adaptive modulation with SCFDMA from last 2 days and each time i run the simulation i get diffe...

13 years ago | 0 answers | 0

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answers

Question


SUI channels
Dear All, I have a question about SUI channels models. I want to know how would parameters (K factor, Doppler, and others) diff...

13 years ago | 1 answer | 0

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answer

Question


how to generate data rates in matlab
Hi there, i would like to know how can i generate data at transmitter and send over the channel at specific data rate. Like i us...

13 years ago | 1 answer | 0

1

answer

Answered
Signal power ....A confusion
Thanks Alot ...for the description ..... Indeed it helps... Thank You.. Talha

13 years ago | 0

Answered
Signal power ....A confusion
Amplitude of carrier ...is 1 ... probability is 0.5. ???

13 years ago | 0

Question


Signal power ....A confusion
Hi there, I have confusion about computation of signal power in matlab. Suppose i generate binary data of 1s and -1s ....once i...

13 years ago | 4 answers | 0

4

answers

Question


what Bandpass filter is doing in Energy Detector
Hello there, Since we all know that energy detection is blind technique that estimates the presence of signal in the spectrum. ...

13 years ago | 0 answers | 0

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answers

Question


about spectrum sensing and bandpass filter
Hi there, i am doing simulation for energy detector and i am having strange problems (as it looks to me..). whenever i modulate...

13 years ago | 1 answer | 0

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answer