Lin,

As I am aware, daughter-board used are 
https://www.ettus.com/product/details/WBX. and site is not updated.
And we can use WBX 50-2200. So If we replaced the daughterboard. how can I 
achieve the best SNR with above environment.

~Dilip

Date: Thu, 15 Aug 2013 20:21:16 +0800
Subject: Re: [USRP-users] best transmitter/receiver setup for large coverage
From: huanglin.b...@gmail.com
To: palpa5b...@hotmail.com
CC: discuss-gnuradio@gnu.org; usrp-us...@lists.ettus.com

Dilip,
So you just use CORNET remotely. Well, I think you should try different 
parameters... They use Custom developed USRP2 daughterboard based on the 
Motorola RFIC4. I didn't find "specifications on the "custom daughterboard"" in 
the FAQ.

Lin


2013/8/15 dilip thapa <palpa5b...@hotmail.com>




Lin,

actually it is under the building please check here CORNET. 


~Dilip 

Date: Thu, 15 Aug 2013 19:49:38 +0800
Subject: Re: [USRP-users] best transmitter/receiver setup for large coverage
From: huanglin.b...@gmail.com

To: palpa5b...@hotmail.com
CC: discuss-gnuradio@gnu.org; usrp-us...@lists.ettus.com


1 km is a long distance, so the lower frequency, the less pathloss. Use maximum 
tx gain and rx gain. And the distance may highly depend on the environment. Is 
there buildings, trees, or just a blank space?


Lin

2013/8/15 dilip thapa <palpa5b...@hotmail.com>




Hi,

 

I am using usrp2 and gnuradio 3.3.0.

I want to use benchmark_tx.py as transmitter and benchmark_rx.py as receiver.

so that multiple receiver at distance of around 1 KM should get good signal 
strength.

 

So could you please let me know the best options for tx and rx waveform, so I 
could get the maximum range of coverage.

best options means:


transmitter frequency, tx gain, tx amplitude and rx-gain, if there is any other 
then let me know.

 

I need this to do spectrum sensing with energy detection.

 

with Thanks,

Dilip
                                          

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