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Re: [Discuss-gnuradio] benchmark_tx and benchmark_rx

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] benchmark_tx and benchmark_rx
Date: Mon, 7 Mar 2016 08:20:28 -0500

On Sun, Mar 6, 2016 at 8:48 AM, Ekko <address@hidden> wrote:
hello all
today i use the demo of gnuradio
benchmark_tx.py and benchmark_rx.py
and the demo is work with my two device(e310)
just like 
dev A:/benchmark_tx.py --freq=433e6
dev B:/benchmark_rx.py --freq=433e6
dev A:/benchmark_rx.py --freq=433e6
dev B:/benchmark_tx.py --freq=433e6
 this all worked well

then i use tunnel.py to ping two device
just like
dev A:./tunnel.py --freq=433e6
内嵌图片 1

          ifconfig gr0
内嵌图片 2

dev B:./tunnel.py --freq=433e6
内嵌图片 3
ifconfig gr0
内嵌图片 4

dev B:ping  failed
dev A:ping failed

i want to know why the benchmark.py work well but the tunnel.py does not work?

thank you 


The tunnel.py program has long given us trouble. One thing to do here is see what happens when you set the transmit and receiver frequencies to different values so you're doing an FDD mode.

Otherwise, there's very little help we can give you since all of the settings make a difference here.


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