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Re: [Discuss-gnuradio] How to implement an 802.11-like MAC protocol in G
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From: |
Greg Troxel |
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Subject: |
Re: [Discuss-gnuradio] How to implement an 802.11-like MAC protocol in GnuRadio? |
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Date: |
Fri, 31 Aug 2007 08:38:24 -0400 |
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User-agent: |
Gnus/5.110007 (No Gnus v0.7) Emacs/22.1 (berkeley-unix) |
Many people had implemented some prototypes of 802.11
protocol. For example, BBN
(http://acert.ir.bbn.com/viewvc/adroitgrdevel/adroitgrdevel/gr-bbn/src/examples/)
had shared the code of 802.11. However, the BBN's code seem only
focus on physical layer of IEEE 802.11 (coding and modulation).
We did not have a full stack working, but did inject received frames
into the net80211 machinery so that we could run tcpdump on them. In
NetBSD (and FreeBSD), see src/sys/net80211:
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/net80211/
That implements a lot of the upper half of the MAC, but not RTS/CTS.