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Question
how to add legends?
I want to merge 3 plots into one..how can i do that
mer än 12 år ago | 2 answers | 0
2
answersQuestion
pls help me write BER codings
Pls help me write codings for BER. I have tried many,but get wrong. Wanted to plot BER vs SNR. clc; clear all; clos...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Help using randn and pskmod
I have taken random data using randn and then psk modulated it...But i get error. M=1024; m=4; msg1=randn(M,1,m); ...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
How to form this diagonal matrix?
E= diag [ 1 e^j*((2*pi)/M)........e^j*((2*pi)/M)*M-1 ] where M=1024 and E= *M x M diagonal matrix*
mer än 12 år ago | 1 answer | 0
1
answerQuestion
syntax help
temp=randsrc(1,2); temp=[temp zeros(1,4)]; temp1=transpose(temp); temp1 = 1 -1 0 0 0 ...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Pls help me spot errors in the code..I don't get a decaying BER
clc; clear all; close all; %input M=1024; nt=2; nr=1; L=65; %Generate random data m=4; m...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
My first column of circulant matrix should be like this...Pls help
H_k,j = [h_k,j(0)......h_k,j(L-1) 0 ............0]T where h_k,j is the channel impulse response from jth transmit to kth re...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
how to find Mean Square Error in matlab?
I need codings to find MSE
mer än 12 år ago | 2 answers | 0
2
answersQuestion
Is my BER curve right?
clc; clear all; close all; *%input* M=128; nt=2; nr=1; L=16; *%Generate random data* m=4; ...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
BER for MIMO OFDM
As a beginner, I don't know how to write coding for BER. Pls help me with it
mer än 12 år ago | 0 answers | 0
0
answersQuestion
Doubt with my codings..Pls help me correct it
clc; clear all; close all; *%input* M=1024; nt=2; nr=1; L=65; *%Generate random data* m=4; ...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Pls help me generate circulant matrix
I want to create *M x M circulant matrix* where M=128 h1=gallery('circul',M:M/2); h2=gallery('circul',M:M/2); h=horzc...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
pls provide me with codings to remove cp
I have added CP of length 15 in the transmitter side. I want to remove CP in the receiver side.
mer än 12 år ago | 0 answers | 0
0
answersQuestion
I am a newbie...I wanted to know whether we need to covert signal/data from parallel to serial before passing through the channel
Pls help me with codings if we need to convert
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Pls help me write codings to remove CP
I got code to add cp message = randint(1,M,4); %Assuming QPSK symbols length_cyclic = 15; starting =M - length_cycli...
nästan 13 år ago | 0 answers | 0
0
answersQuestion
Help using For and IF loop
I have generated a random data...I want to convert it to polar form Pls help me to write codes using for and If
nästan 13 år ago | 1 answer | 0
1
answerQuestion
I don't what is wrong with this coding..Pls help me identify
I want to give signals in polar form...First I create random data and then use If condition to change it to polar form len=12...
nästan 13 år ago | 1 answer | 0
1
answerQuestion
I don't get plot in matlab
len=128; m=4; msg1=randint(len,1,m); msg2=randint(len,1,m); % figure(1) % stem(data_source); % grid on; %...
nästan 13 år ago | 3 answers | 0
3
answersQuestion
how to add cyclic prefix..I want codings to add it
Cyclic prefix=15
nästan 13 år ago | 0 answers | 0
0
answersQuestion
generate QPSK signal as input
I want to give an input signal as QPSK ...Let it be S And take the idft for the same..let it be X S varies from S(0) to S(...
nästan 13 år ago | 0 answers | 0
0
answersQuestion
Estimation of channel response and i/q imbalance of mimo ofdm
Hello all I am doing a project on joint estimation of i/q imbalance and channel response for mimo ofdm systems. My output...
nästan 13 år ago | 0 answers | 0
0
answersQuestion
norm square
How to implement equation: CRE=||Pu||^2 P is a matrix
nästan 13 år ago | 2 answers | 0
2
answersQuestion
I want to implement this matrix
0;Ip-l;0.............0 0;0;0;Ip-l;0.......0 ......................... 0;0..............0;Ip-l it is M-Nt x L matrix ...
nästan 13 år ago | 4 answers | 0
4
answersQuestion
matlab coding
I have a matrix A=[A0 A1] A0 and A1 are [M x L] matrix and A is [M x LNt] Another matrix B=[A0A0' A1A1'] B is M X M mat...
nästan 13 år ago | 1 answer | 0