# Dipsikha Roy

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Question

How to plot two graph using different colour?

EbNo = 4:2:20; ber = zeros(length(EbNo),20); for L = 1:2 ber(:,L) = berfading(EbNo,'qam',8,L); end figure(18); semilog...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to get ber vs snr graph of received signal?

clc; M =8; %here we initialize the number of constellation point of qam no_of_data_bits=1024; Fm=10^6;%Max freq block_size =...

3 years ago | 0 answers | 0

### 0

answersQuestion

I am getting amplitude zero, But it is impossible

I am getting a graph where amplitude is zero,How it possible? I am attchimg here code which generate this graphs clc; M =8...

3 years ago | 1 answer | 0

### 1

answerQuestion

how to use legend syntax properly

recvd_signal_paralleled(1:cp_len,:)=[]; R1=recvd_signal_paralleled(:,1); R2=recvd_signal_paralleled(:,2); R3=recvd_signal_par...

3 years ago | 1 answer | 0

### 1

answerQuestion

Ber vs snr of ofdm

How can i plot graph of ber vs snr of ofdm which is passing through rayleigh channel?Can anyone please help

3 years ago | 0 answers | 0

### 0

answersQuestion

Getting error in using reshape syntax

I have written this code clc; M =8; %here we initialize the number of constellation point of qam no_of_data_bits=1024; Fm=10...

3 years ago | 0 answers | 0

### 0

answersQuestion

how to make both graphs x and y axis identical?

Here in graph x axis is 200,400,600 and y axis has been ranging from 0 to 3 while other graph x axis is like 20,40,60.. and y ...

3 years ago | 2 answers | 0

### 2

answershow to make an array with the constellation point of qam

Sir please help me how can I implement rayleigh fading channel here instead of AWGN channel.

3 years ago | 0

how to make an array with the constellation point of qam

clc; M =8; %here we initialize the number of constellation point of qam no_of_data_bits=1024; Fm=10^6;%Max freq block_size =...

3 years ago | 0

Question

Adding cyclic prefix in clipped ofdm

clc close M =8; %here we initialize the number of constellation point of qam no_of_data_points = 1024; Fm=10^6;%Max freq da...

3 years ago | 0 answers | 0

### 0

answershow to make an array with the constellation point of qam

as per ur code that u gave me i got error like Index in position 1 exceeds array bounds (must not exceed 8). Error in Unt...

3 years ago | 0

Question

Is there any command by which we can plot the constellation points with arrows in between??

qam_modulated_data = qammod(data_source, M) %here we perform 8bit qam on the random normal function scatterplot(qam_modulated_d...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to adjust time scale so that when this code is executed ,in frequency domain plot the frequency axis gives value like 2*10^6 ,3*10^6 not simple 2,3

clc close M =8; %here we initialize the number of constellation point of qam no_of_data_points ...

3 years ago | 0 answers | 0

### 0

answershow to make an array with the constellation point of qam

walter sir i want to plot above graph but frequency axis should be in mehahertz.which kind of changes in code should be done?pl...

3 years ago | 0

how to make an array with the constellation point of qam

Hi, clear all clc close M =8; %here we initialize the number of constallation point of qam no_...

3 years ago | 0

Question

how to make an array with the constellation point of qam

qam_modulated_data = qammod(data_source, M); %where =8 now output will be points. How to insert those point in a array ? pleas...

3 years ago | 7 answers | 0

### 7

answersQuestion

how can i give randn function in the argument of qammod comment

clear all clc close M =8; no_of_data_points = 128; data_source= randn(1,4,'single'); stem(dat...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to write matlab code that result odd component zero?

I was given some random in time domain.now i get fourier transform to convert it in the frquency domain.what matlab code can be...

3 years ago | 1 answer | 0

### 1

answerQuestion

Matlab code to subpress odd component

I was given a sequence.now i will do fouries transform.it will give complex num in result.now i want to supress odd component fr...

3 years ago | 0 answers | 0