Dileep MD

10 Questions 14 Answers 0 Followers

Questions related from Dileep MD

What is meant by MATLAB integrated design environment and its interfaces?

what is meant by MATLAB integrated design environment and its interfaces?

16 May 2017 808 2 View

Replacing IFFT by FFT and FFT by IFFT in OFDM system is theoretically wrong?

Dear researchers, Replacing IFFT by FFT and FFT by IFFT in OFDM system is theoretically wrong? If we use it like that, whether BER increase or decrease?

17 August 2016 6,635 8 View

How the channel state information and the SNR are related to each other ?

In generating the channel state information, Whether the Channel state information varies depending upon the SNR.

13 July 2016 3,217 6 View

How do I generate multi-band signal and its spectrum for a given set of frequency components?

Dear friends, How to generate multi band signal and its spectrum for a given set of frequency components?

17 November 2015 5,526 5 View

Why LDPC decoding has to decoded in the log likelyhood ratio manner. Are there any other methods for decoding it. ?

Hi sir, Why LDPC decoding has to decoded in the log likelyhood ratio ( LLR ) manner. Are there any other methods for decoding it? Thanking you.

01 April 2015 4,368 6 View

Does every carrier carry a vector of symbols or a single symbol In OFDM based multi carrier transmission?

In OFDM based multi carrier transmission, whether every carrier carries a vector of symbols or a single symbol. Thanking you. Dileep M D

13 February 2015 2,586 5 View

Can I know how a pilot tone helps us in identifying whether a channel is used by a subscriber or not in OFDM systems?

Please refer to me some material to understand this. pilot signal based spectrum sensing in Cognitive radio with reference to OFDM systems.

11 November 2014 6,512 2 View

What do pilot tones represent in OFDM systems?

What is their purpose? OFDM modulation and OFDM demodulation.

09 November 2014 5,917 5 View

Is it possible replace FFT by DWT in the case of OFDM modulation? if possible, how is orthogonality maintained?

24 September 2014 10,011 5 View

What must be done to a signal to increase its power spectral density (PSD)?

While transmitting the signal in highly noisy environments, increasing the signal power (i.e. increasing PSD) will not affect the signal.

07 November 2013 3,611 2 View