Question

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...

10 giorni ago | 1 answer | 0

Question

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...

circa 2 mesi ago | 0 answers | 0

Question

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...

2 mesi ago | 0 answers | 0

Question

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...

2 mesi ago | 0 answers | 0

Question

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...

2 mesi ago | 0 answers | 0

Answered

Plot 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...

Plot 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...

3 mesi 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 ?

9 mesi ago | 0 answers | 0

Question

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...

10 mesi ago | 0 answers | 0

Question

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...

10 mesi ago | 1 answer | 0

Question

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...

11 mesi ago | 0 answers | 0

Question

artificial bee colony algorithm

how to use abc code for minimizing the papr in mimo ofdm systems

11 mesi ago | 0 answers | 0

Question

Artificial Bee Colony Algorithm

Dear Sir..... How to pass my values to the ABC algorithm ??? hoping for the favorable response from your side Regards ...

11 mesi ago | 0 answers | 0

Question

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 ...

oltre un anno ago | 0 answers | 0

Question

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...

oltre un anno ago | 0 answers | 0

Question

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...

oltre un anno ago | 2 answers | 0

Question

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...

oltre un anno ago | 1 answer | 0

Question

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...

oltre un anno ago | 2 answers | 0

Question

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...

oltre un anno ago | 0 answers | 0

Question

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

oltre un anno ago | 0 answers | 0

Question

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...

circa 2 anni ago | 1 answer | 0

Question

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.

oltre 2 anni ago | 0 answers | 0

Question

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.

oltre 2 anni ago | 0 answers | 0

Question

mean square error of a multidimensional signal

Hi...... How to Calculate Mean Square Error of a Signal in Multidimensional Matrix(Multidimensional Array).

oltre 2 anni ago | 1 answer | 0

Question

integer to binary conversion

how to convert the random integers into binary form for the multidimensional matrix of size m x n x p .

oltre 2 anni ago | 1 answer | 0

Question

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 ?

oltre 2 anni ago | 1 answer | 0

Question

to compute power spectral desnity

how do we compute the power spectral density and power of a multidimensional array?

oltre 2 anni ago | 1 answer | 0

Question

computation of fft and ifft

how to compute the fft and ifft of a multidimensional matrix

oltre 2 anni ago | 1 answer | 0

Question

how to pass row by row elements of a multidimensional array to a function

how to pass row by row elements of a multidimensional array to a function

oltre 2 anni ago | 1 answer | 0

Question

array dimensions must match in binary op

i am trying to implement the SLM for mimo ofdm system i tried implementing it. there is some error can any one help in this rega...

circa 3 anni ago | 1 answer | 0

Question

change the dimension of multidimensional matrix

hi.... can any one help me in debugging the code . i want to fix the number of rows and number of column to be of variable size...

circa 3 anni ago | 2 answers | 0