Thanks so much.
If in a general indoor environment(no people),we just use a
usrp as a receiver and in a quiet frequency band,have someone have the
general data?Can you give a non-official data?around -80dbm?or -70dbm?
Or how to measure it?What is the true way to measure it?
>
>>> Noise figure depends on frequency and gain setting:
>>
>> http://files.ettus.com/performance_data/sbx/
>>
>> Performance data includes noise figure.
>>
>> Not sure what you mean by "true noise power". But noise figure tells you
>> how much extra noise is added by the device itself.
>>
>> A 3dB noise figure is equivalent to a PSD of -174dBm/Hz.
>> A 5dB noise figure is equivalent to a PSD of -172dBm/Hz.
>>
>> And so on.
>>
>>
>>
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>
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