The discussions on this list led Kannan Srinivasan, one of the
students working with me, to submit a paper to HotNets. It was just
accepted. Given that the IETF is in two weeks, we probably won't have
the camera-ready prepared by then, so the link below is for the
submitted version. The title of the paper is "Some Implications of
Low-Power Wireless to IP Routing." It examines the behavior of
802.15.4 using the ChipCon 2420 radio on common sensor node
platforms. The four key observations are:
o Links are predominantly bimodal for short packet bursts.
o Sporadic traffic observes intermediate links, which are due to
SNR variations.
o There are ETX asymmetries, which are larger over longer time
intervals.
o Acknowledgement failures are correlated.
I thought this community might find the paper helpful. It's 6 pages,
so not a long read.
http://csl.stanford.edu/~pal/pubs/hotnets-v-submit.pdf
See you in San Diego...
Phil
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