ABDUL
Visveswaraiya Technological University
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Feeds
Question
to get the proper scatter plot
Hi... How do i map the random symbols after binary to symbol mapping to get the constellation diagram of M-ary QAM correctly ....
bijna 4 jaar ago | 1 answer | 0
1
answerQuestion
to get real data for the complex vector
i am trying to implement the qam modulated MIMO-OFDM system when i take the IFFT of the modulated data i am getting the comp...
bijna 4 jaar ago | 0 answers | 0
0
answersQuestion
Not able to plot the proper BER plot of OFDM Signal
Dear All... I Am trying to plot a BER plot for OFDM signal. i am not getting a proper graph. any help would be appreciarted....
ongeveer 4 jaar ago | 0 answers | 0
0
answersQuestion
how to compand the complex valued signal
hello .. my input to the comapader is a complex valued signal .it is showing an error ofdm_signal=[-0.999999999999998 - 1.0...
ongeveer 4 jaar ago | 1 answer | 0
1
answerQuestion
to plot BER curve for IDWT
i am not able to plot the proper ber curve .this is my piece of code which is attached for your reference clc; clear all; cl...
ongeveer 4 jaar ago | 0 answers | 0
0
answersQuestion
BER OF M-ary PSK and M-ary QAM
Dear All.... I am trying to write a program for the implementation of MIMO-OFDMby using wavelets transfrom . when i plot t...
ongeveer 4 jaar ago | 0 answers | 0
0
answersQuestion
plot of BER for QPSK modulated DWT and IDWT code
dear all i am working on PSK modulated OFDM system by using DWT and IDWT. i am not able to get the proper graph of the BER of th...
meer dan 4 jaar ago | 0 answers | 0
0
answersQuestion
peak to average power ratio
how to find the papr of the IDWT modulated OFDM Signal? is there any specfic method to be followed for finding the PAPR of IDWT...
meer dan 4 jaar ago | 0 answers | 0
0
answersPlot Bit error rate for DWT based OFDM
hi.... i am working on Wavelets OFDM technique did you figure out the error in your code . if so can you share me the correcte...
meer dan 4 jaar ago | 0
Question
how to find the BER and PAPR for mimo ofdm systems using matlab code
how to find out the ber,papr and power spectral density of a 2x2 ldpc mimo ofdm ?
bijna 5 jaar ago | 0 answers | 0
0
answersQuestion
how to generate parity check matrix of arbitrary size for LDPC
I want to generate an LDPC encoder and decoder of arbitrary size which dependent on the length of the message by using H=dvbs2...
bijna 5 jaar ago | 0 answers | 0
0
answersQuestion
encoder and decoder design using ldpc
hi..... i am trying to encode the data by using dvbs2ldpc , i am getting the error message "Inner matrix dimensions must agre...
bijna 5 jaar ago | 1 answer | 0
1
answerQuestion
error in qpsk modulation
Hi.... i am trying to implement a mimo-ofdm systems in which i have selected qpsk as a modulation technique. at the transmitter...
bijna 5 jaar ago | 0 answers | 0
0
answersQuestion
artificial bee colony algorithm
how to use abc code for minimizing the papr in mimo ofdm systems
ongeveer 5 jaar ago | 0 answers | 0
0
answersQuestion
Artificial Bee Colony Algorithm
Dear Sir..... How to pass my values to the ABC algorithm ??? hoping for the favorable response from your side Regards ...
ongeveer 5 jaar ago | 0 answers | 0
0
answersQuestion
BER of LDPC Encoded QPSK Modulated in AWGN environment
Hi all... i am stuck in plotting the BER of LDPC Encoded QPSK Modulated in AWGN environment.. kindly help me in this regard ...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
error in matrix concatenation using the loop
i am unable to concatenate to my desirable length. y1 is of dimension 16x99, y2 is of dimension 16x99, y_in and y_qd must be...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
to plot graph of SNR Vs BER of QPSK based MIMO OFDM system
Hello all...... i am trying to implement the QPSK based MIMO OFDM System and want to plot graph of SNR vs BER of the same . i a...
meer dan 5 jaar ago | 2 answers | 0
2
answersQuestion
error in subcript must real integers or logicals
hello...... this is my fragment of the code for which i have an error messgae as Subscript indices must either be real positi...
meer dan 5 jaar ago | 1 answer | 0
1
answerQuestion
to plot binary data for the predefined time interval
how to plot binary input using matlab? x=[1 1 1 0 0 1 0 1 1 0 0 0 ] , frequency is 8Mhz , also i need to plot odd and even samp...
meer dan 5 jaar ago | 2 answers | 0
2
answersQuestion
Error using LMS algorithm
i am getting the this as the error message "Array formation and parentheses-style indexing with objects of class 'dsp.LMSFilte...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
ber of qPSK over AWGN noise added
is there any matlab code which can be used to generate the qpsk signal and calculate and plot the BER of QPSK
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
how to generate binary matrix of mxnxp
Hi....... This is the integer matrix which is generated by using integer values A=randi(4,5,5,2)-1 can any one help me in g...
bijna 6 jaar ago | 1 answer | 0
1
answerQuestion
bit error rate of ofdm signal
can any one help in finding out the Bit Error Rate of the MIMO OFDM signal of a Pseudo Random(PR) Data.
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
mean square error of mimo ofdm signal
Hi... how to find the mean square error of mimo ofdm signal ? also i need to plot the graph of MSE V/s SNR of the same.
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
mean square error of a multidimensional signal
Hi...... How to Calculate Mean Square Error of a Signal in Multidimensional Matrix(Multidimensional Array).
meer dan 6 jaar ago | 1 answer | 0
1
answerQuestion
integer to binary conversion
how to convert the random integers into binary form for the multidimensional matrix of size m x n x p .
meer dan 6 jaar ago | 1 answer | 0
1
answerQuestion
bit error rate and symbol error rate
can anyone tell me how do we compute bit error rate and symbol error rate for a multidimensional array ?
bijna 7 jaar ago | 1 answer | 0
1
answerQuestion
to compute power spectral desnity
how do we compute the power spectral density and power of a multidimensional array?
bijna 7 jaar ago | 1 answer | 0
1
answerQuestion
computation of fft and ifft
how to compute the fft and ifft of a multidimensional matrix
bijna 7 jaar ago | 1 answer | 0
1
answer
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