I'm not sure about MOFO but ATCA is a modular design standard (Advanced Telecommunications Computing Architecture) and SDR is Software Designed Radio.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dylan Oliver Sent: Sunday, October 07, 2007 10:02 AM To: WISPA General List Subject: Re: [WISPA] RF propagation map: WiFi vs WiMax? MOFO? ATCA? SDR? On 10/6/07, Jeffrey Thomas <[EMAIL PROTECTED]> wrote: > > 802.16e in 5.8ghz would be absolutely the biggest waste of money ever > as you wouldn't get a true mobile network but your network costs > would be around, yaknow, 300k for a market of 20k people for just > BASE station equipment. > > The way to go if you are really worried about upward compatibility > ( and you own licenses or want to lease spectrum ) is to build a MOFO > network using ATCA solutions, but still you are talking for just 4 > sectors of Wimax with scaleablity to multiple bands and sectors, 50k > per base station to start. The key is going to market with a solution > that has both a SDR system but low cost initially. > > - > jeff > > > > On Oct 4, 2007, at 8:23 PM, Senthil wrote: > > > We did consider deploying Wi-Max 802.16e (802.16d totally out of > > the question) in 5.8 GHz but checking on the technical aspects of > > the standard Wi-Max still seems to be rather immature as most > > aspects are similar to 802.11a/g. Then again this applies only to > > the initial Wave-1 compliant Wi-Max devices but once wave-2 > > standardized equipment comes we should have smarter antenna systems > > (MIMO,beamforming) with which we will definitely get a better > > performance. > > > > So for the time being I think in terms of performance, pricing and > > technology it's better to stick to Wi-Fi! > > > > Senthil > > > > John Valenti wrote: > >> Just curious if anyone has seen a coverage map that compares WiFi > >> and WiMax? > >> > >> I spent a little bit of time researching WiMax, but decided I > >> would be unlikely to have a license and to just go with what I > >> have that mostly works (unlicensed). But I would like to know what > >> WiMax means in a rural, tree filled environment. > >> > >> As a novice WISP (about 18 months now), I can only hope for good > >> coverage with 2.4GHz to maybe a mile. A rare house might have LOS > >> farther than that, but generally there will be enough trees in the > >> way by a mile to block my signal. (this is using farm grain legs/ > >> silos for the AP, so maybe 150' max AGL) If I switch to 900MHz, > >> maybe the distance gets out to 2.5 miles. > >> > >> Would a 2.5GHz Wimax AP push the signal much better thru trees? I > >> suppose it would make a difference what was at the customer end - > >> a laptop with a WiMax card vs a fixed, outdoor radio. And does AP > >> height help a lot? I don't see an advantage to paying commercial > >> tower rates to get above 200' in my situation, but maybe that > >> changes with WiMax. > >> --------------------------------------------------------------------- > >> ----------- > >> > >> ** Join us at the WISPA Reception at 6:30 PM on October the 16th > >> 2007 at ISPCON ** > >> ** ISPCON Fall 2007 - October 16-18 - San Jose, CA > >> www.ispcon.com ** > >> ** THE INTERNET INDUSTRY EVENT ** > >> ** FREE Exhibits and Events Pass available until August 31 ** > >> ** Use Customer Code WSEMF7 when you register online at http:// > >> www.ispcon.com/register.php ** > >> > >> --------------------------------------------------------------------- > >> ----------- > >> WISPA Wants You! 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Join today! > > http://signup.wispa.org/ > > ---------------------------------------------------------------------- > > ---------- > > WISPA Wireless List: [email protected] > > > > Subscribe/Unsubscribe: > > http://lists.wispa.org/mailman/listinfo/wireless > > > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > ---------------------------------------------------------------------------- ---- > > ** Join us at the WISPA Reception at 6:30 PM on October the 16th 2007 at > ISPCON ** > ** ISPCON Fall 2007 - October 16-18 - San Jose, CA www.ispcon.com ** > ** THE INTERNET INDUSTRY EVENT ** > ** FREE Exhibits and Events Pass available until August 31 ** > ** Use Customer Code WSEMF7 when you register online at > http://www.ispcon.com/register.php ** > > > ---------------------------------------------------------------------------- ---- > WISPA Wants You! 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