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Re: 64 QAM in MATLAB
Generate a random bit stream. Group 6 bits into one complex symbol. The complex symbol should be one of the points in the constellation. You need to first define the constellation points and just map 6 bits into one of the constellation point. Does this answer your...
Uplink CINR fluctuation
Hello All,
I am running the wimax BS and MS on a cabled RF environment . In this type of envirnoment, ideally even the instantaneous CINR (in both Uplink & downlink) should not vary. But in my case eventhough there is no variation seen in the Downlink, I see variation...
rf and communications fundamentals
Hi
Can any one kindly let me know where can i find the book or tutorials on RF communication fundamentals. I require very urgent.
zmcscg matlab
Hi all,
I am trying to implement MIMO for OFDMA system. I dont know how should i generate the channel matrix. and what sort of decoding algorithm to use. It would be very helpful if anyone could give some idea on this. I thought of using 2X2 system.
Re: INFO about MAP?
Hi,
You can find the MAP algorithm explained in "Digital communications Fundamentals and application" - by Sklar. It is really avery good explaination.
mimo ofdm simulation
Hi ahmedseu,
The simulation is really superb!!!! It would be helpful for me if you could provide the codes for:
1. MMSE_Equ.dll
2. MultiPathChannel.dll
Please provide me the codes for it.
After the IFFT part, windowing(filtering) is done. But the filter is not having a sharp cutt-off frequency. It will have some roll-off factor if the frequencies used in the OFDMA symbol falls in this region, then it will be attenuated. There fore they leave guard band in left as well as right...
sampling factor
I would be very much pleased if any one could explain me what is meant by sampling factor and how is it calculated in Wimax. In the standard they are telling to take various values like 8/7, 28/25 for n(i.e sampling factor). I want to know how can we get that factor. I know that...
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