On Tue, Sep 13, 2011 at 08:27:07PM -0400, Stephen Michael Kellat wrote: > Forwarded for your consideration as to the possibilities it might lead > to. > > That, and apparently Mr. Shuttleworth or one of his corporate bodies is > funding this somehow... > > SMK > > > ----- Original message ----- > From: "Paul Gardner-Stephen" <p...@servalproject.org> > To: undisclosed-recipients: ; > Date: Wed, 14 Sep 2011 09:51:34 +0930 > Subject: [Freedombox-discuss] Serval is getting involved in the 802.11ah > standards process > > Hi all, > > Serval is getting involved in the IEEE 802.11ah (WiFi on ISM bands > below 1GHz) to try to make sure that it is well suited to > infrastructure-independent ad-hoc and mesh networking at the IEEE > meeting in Okinawa next week. > > Here is our submission: > > https://mentor.ieee.org/802.11/dcn/11/11-11-1138-00-00ah-packet-radio-mode-for-802-11ah-a-b-g-n.ppt > > Basically we are asking for two things: > > 1. Improvements to ad-hoc mode (or provision of a new "packet radio" > mode) that remove some of the problems currently faced when creating > wifi-based ad-hoc mesh networks. > > and > > 2. That the 802.11ah standard consider speeds below 1mbit and using > cell phone baseband radios as a supported transport so that even cheap > cell phones can form relatively long range mesh networks without any > supporting hardware. > > This second point is really important, because compared with 2.4GHz > WiFi a mesh running in the ISM 915MHz band gains about +9db just from > the change in frequency, which alone improves range by almost 3x. If > it supports lower bit rates, then further significant gains are > possible, e.g., allowing 100kbit communications gives another +10db, > for a total of 8x range versus WiFi. > > There are some significant protocol challenges to be addressed, but if > the standard doesn't support the use-case, then there will be no > hardware and no chance. > > These measures have the potential to push the indoor range up from > WiFi's "about one house wide" to "about a block wide" and clear > line-of-sight range up to a few km, which suddenly makes the formation > of suburban ad-hoc mesh networks possible, which has profound impact > for creating resilient infrastructure-independent communications > solutions, for example for sustaining communications during disaster > or enabling communications for rural and remote or developing > populations. > > We admit that we are very green to this process which we frankly find > to be daunting. > But we feel compelled to try, regardless of what we perceive to be the > odds of success. > > We invite any comment, advice or questions on our proposal that anyone > might have. > > Dr Paul Gardner-Stephen. > Shuttleworth Telecommunications Fellow, > Rural, Remote & Humanitarian Telecommunications Research Fellow, > Flinders University. > Founder, Serval Project. > > _______________________________________________ > Freedombox-discuss mailing list > freedombox-disc...@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/freedombox-discuss > > > _______________________________________________ > Mailing list: https://launchpad.net/~ubuntu-us-ohio > Post to : ubuntu-us-ohio@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-us-ohio > More help : https://help.launchpad.net/ListHelp I'm looking into getting involved with this from the security perspective along with getting some packaging experience. Sounds very cool.
-- Cheers, Justin R. Andrusk Google Plus - https://plus.google.com/116630766447958259259/posts?hl=en Twitter - http://www.twitter.com/jandrusk _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-us-ohio Post to : ubuntu-us-ohio@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-us-ohio More help : https://help.launchpad.net/ListHelp