27 Threads found on edaboard.com: Channel Capacity Matlab
Hi,how can I plot the channel capacity using matlab for average SNR from 0 dB to
30 dB if the CSI is log-Normal distribution ,What is the Average SNR and what is the difference between Average SNRand SNR,how can I calculate the best standard deviation that gives me high capacity .Only given to me the previous range (They (...)
Digital communication :: 09.11.2006 16:40 :: electronicman :: Replies: 0 :: Views: 1274
You need transition probabilities to find the capacity. The attached file about transition probabilities in fading channels may be useful.
Also I attached the book chapter of "Elements of Information Theory" about the channel capacity.
Digital communication :: 19.08.2008 04:42 :: gaffar :: Replies: 5 :: Views: 3001
I think the SNR in channel capacity equation is Es/No instead of Eb/No.
Digital communication :: 19.07.2009 01:17 :: feielephant :: Replies: 2 :: Views: 1235
I have this little task to do and I need your help. I have to plot the capacity of an AWGN channel and a fading channel in function of the SNR. The code must be written in matlab.
Can someone please give me some hints of how to get started, what the input of the channel should be, etc.. (...)
Digital communication :: 22.01.2013 11:20 :: CAROLEbecks :: Replies: 3 :: Views: 521
How to calculate the capacity of a MIMO channel with matlab?
Please give some reference.
Electromagnetic Design and Simulation :: 11.04.2005 03:32 :: hmsheng :: Replies: 3 :: Views: 4418
First of all outage occurs when the channel variations dont support the required rate,
Therefore I think we discuss the outage only for fading channels.
I my point of view:
To calculate the fading channel capacity you take the expected value of the channel capacity, I mean (...)
Digital communication :: 07.01.2009 07:21 :: urwelcome :: Replies: 9 :: Views: 9223
i just need the matlab code for the estimation of channel in matlab code.
---------- Post added at 19:56 ---------- Previous post was at 19:36 ----------
i am doing my project on capacity analysis of under water acoustic mimo communications in that i have to do a channel model in rayleigh fading model. i nee
Digital communication :: 26.03.2011 15:56 :: hem111 :: Replies: 0 :: Views: 1568
actually i am working on a project
what i want to do is compare antenna diversity system on mobile handset
i want to compare the performance regarding
channel capacity, SNR, VSWR, radiation pattern
signal distortion, co-channel interference and inter symbol interference
i am planning to use matlab
and ansoft hf
Hobby Circuits and Small Projects Problems :: 15.11.2006 03:42 :: amir_rastegar2003 :: Replies: 2 :: Views: 844
Hi, I get very challenging question that I have to plot using matlab the single-user
channel capacity with rayleigh fading how can I do this for range between 0-30 dB
average SNR.The plot is found in Wireless Communications P.114,115.I did all my best ,but there was not any matchs between my results and the book's.
How can I chose the (...)
Digital communication :: 20.11.2006 06:09 :: electronicman :: Replies: 3 :: Views: 1173
This text is taken from the book "Fundamentals of Wireless Communications" By David Tse and P. Viswanath. I think this is better explanation of the outage capacity, you can find similar explanation in Goldsmith's Book as well.
In the slow fading channel, the key event of in
Digital communication :: 14.04.2007 22:11 :: mkhan :: Replies: 2 :: Views: 5986
You need to simulate the capacity formula for MIMO which u already mentioned. But then you have to run the simulations for long time, for Ricean fading use channel mean non-zero and for Rayleigh fading use channel mean zero. I am attaching a figure with this post, which is Sum capacity vs Number of users in the (...)
Digital communication :: 19.11.2007 17:22 :: mkhan :: Replies: 4 :: Views: 2460
i want to produce a GUI in matlab that
1.shows recieved signal envelope for mimo channel in flat fadig and frequency selective channel(signal strength against time)
2.shows improvement in capacity as number of transmit and recieve antennas changese.g 1*1,2*3,etc
3.shows inmprovement in fade margin as number of transmit (...)
Digital communication :: 22.01.2008 08:43 :: agaba :: Replies: 0 :: Views: 504
I want to simulate the MAC channel with rayleigh fading using successive interference cancellation showing that the pantagon region is achievable.
Pantagon region is the the capacity region achievable by two user sending information at the same time to common destiation.
I want to use matlab for this.
Digital communication :: 13.08.2008 10:40 :: aliazmat :: Replies: 1 :: Views: 792
Hi to all!I need to plot capacity-VS-SNR for some MIMO configuration for my thesis.
The formula I'm tryin to use is
Where M, N are the numbers of RX and TX antenna.
H is the channel matrix and to generate it:
Can anyone h
Electromagnetic Design and Simulation :: 16.08.2008 13:55 :: on1 :: Replies: 0 :: Views: 1592
Can some one help me with matlab code for :capacity of a Rayleigh fading channel
Digital communication :: 10.11.2008 12:48 :: sthoadao :: Replies: 2 :: Views: 1093
in channel flat not AWGN the capacity form is integartion as all know
i need this integration , so how to make integartion via matlab so the output is vector not number althogh the integation is limited (i.e from number to inf) in other word how to plot the capacity via matlab
Digital communication :: 08.12.2008 11:05 :: matlab1983 :: Replies: 0 :: Views: 433
this equation represents the capacity of flat fading channel
C=int.( from 0 to inf) of B*log (of base 2)(1+gama)*p(gama)d(gama)
d(gama) thee integration over gama
B=bandwidth of channel
p(gama) is exp. function which represent probability distribution
of the received SNR
the question is how to simulate this (...)
Digital communication :: 09.12.2008 08:27 :: matlab1983 :: Replies: 5 :: Views: 892
I am working on this project where in I have to simulate (matlab, C) a rate 1/3 encoder decoder ( soft or hard) to get minimized gap to capacity over a AWGN channel compared to un coded BPSK. Also I have been given a sample skeleton in which I just need to modify encoder and decoder part else I can write a new program is I want. Can (...)
Digital communication :: 08.04.2009 14:08 :: diggis_tennis :: Replies: 1 :: Views: 1371
I want to analyze the relationship between numbers of users and the BER, as well as channel capacity in a asynchronous CDMA system. Assume that there is not any special multi-users detection algorithm.
How can the formula be derived and how can I do the related simulation in matlab?
Please give your advice. (...)
Digital communication :: 07.09.2009 04:19 :: Hectoryx :: Replies: 0 :: Views: 599
I added a matlab code about frequency selective multipath channel capacity calculation for 1x1 channel but i have to improve it. Can anyone help me to write the code for 1x2 , 1x3 , 2x2 and 3x3. I have to make some changes in loops to succed it but i couldn't. If anyone has any idea about this code and/or (...)
Digital communication :: 05.01.2010 08:21 :: mhmd1 :: Replies: 1 :: Views: 664
Hi every one!!!
I want to know that what is the idea to simulate the outage probability in the matlab?
for example, when we want to simulate BER in matlab we send bits over a channel and then calculate the number of errors and the BER probability. Now, what is the method for outage probability?
Digital communication :: 29.07.2010 06:06 :: ashkan_d29 :: Replies: 6 :: Views: 2111
can anyone help me with a matlab code to implement the capacity of the mimo channel
Digital communication :: 10.10.2010 13:07 :: carole :: Replies: 1 :: Views: 1476
For my thesis paper i need matlab code for Multiple Antenna Technique in WIMAX.if anyone have plz send me through my mail(email@example.com);it ll helpful for me ;
code for :BER performance in BPSK - OFDM - SFBC system
code for :capacity Analysis of MIMO System
code for:BER for BPSK modulation with Alamouti STBC (Rayle
Digital communication :: 14.06.2011 11:33 :: Ahmed Tanvir :: Replies: 1 :: Views: 835
I wrote these code for n=1210 and frame_num=2000, code rate=0.5;
I used these code for channel
msg = randint(1,n-m);
modObj = modem.pskmod('M',2,'InputType','Bit');
modulatedsig = modulate(modObj, c);
Digital Signal Processing :: 30.11.2011 03:22 :: electronical :: Replies: 5 :: Views: 773
There is no direct relation between data rate and SNR. If you mean a channel capacity (maximum throughput rate), google the Shannon-Hartley theorem.
Digital communication :: 10.09.2012 02:49 :: Mityan :: Replies: 4 :: Views: 365
I am trying to make a resource allocation for OFDMA. i want to assume imperfect/partial CSI.
i read lots of papers about that but i have problem to link the PDF of the CSI on my capacity formula.
can i get a matlab code for resource allocation with partial CSI. How to insert the partial CSI in the formula, do i need to make a (...)
Digital communication :: 10.01.2010 20:50 :: nidhalodeh :: Replies: 1 :: Views: 682
I'm in need of knowing the definition of dual circular polarization
- dual circular polarization means that your antenna system can receive both types of circular polarization. Crossed dipole/yagi antennas are a possible solution. Spiral antennas are also commonly used to achieve circul
Electromagnetic Design and Simulation :: 24.04.2013 06:09 :: jeeudr :: Replies: 1 :: Views: 246