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Alamouti with 16QAM modulation

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B

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16-qam alamouti

I have simulated Alamouti schemes for BPSK and 16QAM. The results for the Alamouti scheme wiht BPSK modulation are qute good but the one with 16QAM modulation are really bad.
I have compared the Alamouti scheme with 16QAM modulation with simple SISO (16QAM). THe performance of Alamouti is really bad (SNR vs BER).
Could anyone plz help me out in this regard.
Tell me if there is any special condition for using 16QAM in alamouti scheme?


Waiting....
 

or can anyone plz fwd me alamouti code using 16QAM as a modulation techique?

Waiting....
 

hi,
can u plz send me your alamouti space time code, I need it urgently
 

Re: 16-qam alamouti

Do you mean that Alamouti scheme with 16-QAM is worse that 16-QAM SISO system? Can you please tell me what is the system model you used? and have you considered fading in the SISO system?

Regards
 

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