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Re: [Discuss-gnuradio] UCLA_Zigbee_phy examples on E100

From: ziyang
Subject: Re: [Discuss-gnuradio] UCLA_Zigbee_phy examples on E100
Date: Wed, 14 Sep 2011 20:44:02 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110831 Thunderbird/3.1.13

Thanks for your tips, Josh! I really like the third option, it's so cool!

On one E100, I ran the rx_ascii_art_dft.py program:
./rx_ascii_art_dft --freq 2475000000 --gain 30 --rate 8000000 --frame-rate 15 --ref-lvl -50 --dyn-rng 70

I got high level signals at about 2.472 GHz on the spectrum.

Then on the other E100, I ran the transmitter on 2.475 GHz and -15dB gain, which started to send out demodulated data. But there is no obvious change of the spectrum. Does it mean that the receiver didn't get any useful data from the transmitter? Or I didn't set the devices right at some point?



On 09/14/2011 08:16 PM, Josh Blum wrote:

On 09/14/2011 02:11 PM, ziyang wrote:
Thanks a lot for your reply Marcus! The thing is, I have been running
the gnuradio on E100 and there is no graphical support, so I was
wondering if there is another way to conform reception? Or should I run
the gnuradio on the PC and get data from E100? Thanks.

I guess you have a few options:

1) You could build gnuradio w/ qtgui or wxgui support

2) Capture data and replay it on a x86 PC

3) Or the coolest option (because I am proud of my handiwork): To get a
quick live DFT, the uhd examples ascii art dft may be easiest.


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