Question

how to calculate the BER of OFDMA
can anybody give the equation which can be used to calculate the BER of OFDMA.

8 years ago | 0 answers | 0

Question

can anybody tell the throughput expression of OFDMA
I want to calculate the throughtput performance of OFDMA the equation which i am using was [blog(1+((power*cg)/N))] can anybo...

8 years ago | 0 answers | 0

Question

for n number of users in OFDMA how can the random selection of subcarriers,power and channel gain can be done inorder to find the throughput
Bmax=2000000; %maximum available bandwidth for OFDMA noise=1e-9; %fixed noise power is assumed Ncarrier=4; %number of subcarri...

8 years ago | 0 answers | 0

Question

how can i plot the graph for the following code
nb_user = 5; sub_used = 3; nb_sub = sub_used * nb_user; association = zeros(nb_user,nb_sub); throughput_th...

8 years ago | 1 answer | 0

Question

for what purpose association command has been used
for s = 1:nb_user association(s,((s-1)*sub_used+1):(s*sub_used)) = ones(1, sub_used); end where nb_user is the no of us...

8 years ago | 0 answers | 0

Question

In a system i am having 2 users and 4 subcarriers.I want to have each user with two subcarriers.
No of users 2 no of subcarriers 4 i want user1 to have two subcarrier and user2 to have two subcarriers how can i write th...

8 years ago | 0 answers | 0

Question

rand(Nuser,Ncarrier)= (b.*log(1+(rand(power).*rand(cg))/noise));
whether the above expression was correct as i am getting error using rand Size vector should be a row vector with real element...

8 years ago | 1 answer | 0

Question

how to write log base 2 in matlab coding
expression for log base 2 in matlab coding

8 years ago | 2 answers | 0

Question

how to have random selection of users and subcarriers with respect to power and channel gain
I want to calculate the throughput performance of OFDMA by having random selection of users and subcarriers with respect to pow...

8 years ago | 0 answers | 0

Question

can anybody help me to write the attached equations in matlab
I have attached two equations in first one i want to express the throughput performance of downlink NOMA the parameters given...

8 years ago | 0 answers | 0

Question

what i the difference between rand and randn
I would like to know the difference between rand(2,6) and randn(2,6)

8 years ago | 1 answer | 0

Question

why temp command is required
Is there any specific reason for using temp in coding

8 years ago | 1 answer | 0

Question

I am getting error while plotting graph from this command figure;plot(sum_n, '--bs',sum_vec,'--bs')
figure; plot(sum_n, '--bs', sum_vec,'--bs') i am getting the message "Data must be a single matrix Y or a list of ...

8 years ago | 1 answer | 0

Question

how to include n = 1:25; power = 1:4:100; cg = 1:6:150; in single expression using for loop
i have initialized n=1:25(number of users) power = 1:4:100(power values of different users) cg = 1:6:150(channel gain...

8 years ago | 2 answers | 0

Question

I am getting error after executing the code.
syms n s1 = symsum (n.b.log(1+(p_fix)/noise),n,1,N) I am getting Error using sym/subsref SYM objects do not allow nested ind...

8 years ago | 0 answers | 0

Question

How to write the matlab code for varying values of power level
For NOMA different ranges of power levels were considered for every user. Please help me to understand how to write the express...

8 years ago | 0 answers | 0

Question

how do i need to compare the throughput performance of OFDMA and NOMA
how to calculate the throughput for ofdma under the criteria, the power is getting fixed for N number of users with each user h...

8 years ago | 0 answers | 0

Question

how do i write the attached equation in matlab
Please help me to write the below attached equation in matlab using for loop or symsum

8 years ago | 1 answer | 0