Thread Subject: QPSK add noise

Subject: QPSK add noise

From: Xu

Date: 11 Nov, 2009 23:57:19

Message: 1 of 1

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Hi,
I am facing a problem: generate 10000 qpsk symbols and add white Gaussian complex noise such that the resulting SNR ranges from --5 to 20 db, in step of 10 dB?

Can anyone give me some advice?
thanks in advance.

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