Re: [Discuss-gnuradio] Transmit Power of USRP B210

[CEL]

You'll have to calibrate that yourself. There's no fixed formula for
all possible individual devices, and all possible signals (with all
possible PAPRs, which is especially relevant for OFDM).

Best regards,
Marcus

On Tue, 2018-04-24 at 13:05 +0530, Prabhat Kumar Rai wrote:
> Hello,
> 
> I am using tx_ofdm.grc file to transmit a signal via USRP B210. I am
> fixing my system as center_freq 1.8GHz, BW 20MHz, Sample rate 1.92M,
> Gain 20 dB, when I am checking the gain in the spectrum analyser it
> comes out to be -77dBm, I know that channel is giving me around 30 dBm
> attenuation still I am unable to compute the actual transmit power of
> usrp.
> I know that only way to know transmit power is using the combination
> of frequencies, sampling rates, master clock rates, analog bandwidths
> and gain but don't know how and where to use them, all of them are
> already in a usrp_sink block.
> 
> Is there any other way to compute actual transmit power of Usrp or any
> other formulae???
> 
> 
> I have to use that power for RSSI calculation.
> 
> 
> Regards,
> Prabhat
> 
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

smime.p7s
Description: S/MIME cryptographic signature