[ASRG] The mistaken axioms of wireless-network research

[Douglas S. J. De Couto]

we've been doing very related work here at mit for the past 2 years:
http://www.pdos.lcs.mit.edu/grid/pubs.html#hotnets02


On Sat, 2003-07-19 at 08:12, Simson L. Garfinkel wrote:
> 
> 
> Begin forwarded message:
> 
> > From: owner-cs-tr at Dartmouth.EDU
> > Date: Fri Jul 18, 2003  9:52:05  AM US/Eastern
> > To: cs-tr at Dartmouth.EDU
> > Subject: Dartmouth TR2003-467
> >
> > The Department of Computer Science at Dartmouth College
> > announces a new technical report:
> >
> > The mistaken axioms of wireless-network research
> >
> > Dartmouth Technical Report TR2003-467
> >
> > 	David Kotz
> > 	Calvin Newport
> > 	Chip Elliott
> >
> > Date: July 2003
> >
> >
> >
> > Abstract:
> >  Most research on ad-hoc wireless networks makes simplifying
> >  assumptions about radio propagation.  The ``Flat Earth'' model of the
> >  world is surprisingly popular: all radios have circular range, have
> >  perfect coverage in that range, and travel on a two-dimensional plane.
> >  CMU's ns-2 radio models are better but still fail to represent
> >  many aspects of realistic radio networks, including hills, obstacles,
> >  link asymmetries, and unpredictable fading.  We briefly argue that key
> >  ``axioms'' of these types of propagation models lead to simulation
> >  results that do not adequately reflect real behavior of ad-hoc
> >  networks, and hence to network protocols that may not work well (or at
> >  all) in reality.  We then present a set of 802.11 measurements that
> >  clearly demonstrate that these ``axioms'' are contrary to fact.  The
> >  broad chasm between simulation and reality calls into question many of
> >  results from prior papers, and we summarize with a series of
> >  recommendations for researchers considering analytic or simulation
> >  models of wireless networks.
> >
> > Note:
> >  For more information related to this project see
> >  http://www.cs.dartmouth.edu/~campus/.
> >
> > To obtain an electronic copy, point your web browser to the URL
> >    <http://www.cs.dartmouth.edu/reports/abstracts/TR2003-467/>.
> > Most reports are available in both PostScript and PDF.
> > You can either download them directly or order them to be sent through 
> > email.
> >
> > To order a paper copy, write to reports at cs.dartmouth.edu or to
> > 	Technical Report Librarian
> > 	Department of Computer Science
> > 	Dartmouth College
> > 	6211 Sudikoff Laboratory
> > 	Hanover, NH 03755-3510
> > 	USA
> > Ask for technical report TR2003-467, and be sure to include your own
> > mailing address.
> >
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-- 
Douglas S. J. De Couto    decouto at lcs.mit.edu