On 05.08.2015 04:25, monika bansal wrote:
> Hii
> 
> I am using channels.channel_model as
> 
> channels_channel_model_0 = channels.channel_model(
> noise_voltage = self.EbN0_to_noise_voltage(EbN0),
> frequency_offset=0.0,
> epsilon=1.0,
> taps=(1.0 + 0j, ),
> noise_seed=RAND_SEED,
> block_tags=True
> )  

Try

noise_voltage = self.EbN0_to_noise_voltage(EbN0)/sqrt(2)

the original berawgn.py was already buggy, because it didn't follow a
recent change in the noise power. I've submitted a patch, but it
probably won't be merged before the release cycle is reset (cf
https://github.com/gnuradio/gnuradio/compare/master...mbr0wn:digital/berawgn_fix_noisepower?expand=1).

M

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