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Re: [Discuss-gnuradio] About 80211_mac.tar.gz

From: Chen Chen
Subject: Re: [Discuss-gnuradio] About 80211_mac.tar.gz
Date: Fri, 23 Oct 2009 13:33:30 -0400

Hi, Thierry

I noticed that in this directory, simple_mac.py need the script of bbn802_11b.py and bbn802_11b_pkt.py, but these two script are not in this directory. Are these two script from the USRP2 version of bbn code from cgran?



On Wed, Oct 21, 2009 at 4:50 PM, <address@hidden> wrote:
Hi Chen

Chen Chen a écrit :

 I see from the mailing list in May 5th, 2009 that Ben Yahmed report using the 80211_mac.tar.gz and it works. Does anyone know what version of GNU Radio can this script work? Does it only for USRP2?
This code works for GNU Radio 3.2 and for USRP2 cards. We didn't check with USRP cards, I guess some changes will be required...

I noticed that there are many version of simple_mac.py in this file? Does anyone know the differences between them?
I think that Maher tried to modify a subset of config parameters to reduce packet loss observed. The "best" combination should be the one included in  the "simple_mac.py" file

Btw, I don't know if the changes done by Maher have been included in the latest bbn source code. If anyone has made any progress on the 802.11 code, please keep the mailing list informed.


  Here is his mail:
 ->Hi all,

-> I succeeded to make the simple_mac.py working. now it's pinging
-> correctly but with a huge loss ratio. At first I disabled the carrier
-> sense functions but after I reactivated them but I'm not sure these
-> functions are working. I attached the 80211_mac folder so any suggestion
-> or amelioration is welcome. I used this command line to run the python
-> file: ./simple_mac.py -S 8 -v

-> I also hard_coded my mac adress so you need to change it before use.


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Chen Chen
Dept. of Electrical & Computer Engineering
Lehigh University
Bethlehem, PA 18015

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