Another inaccurate post. Jeff assumes that a UL WiMAX 5.8 GHz system will look like a licensed version. He also assumes 802.16e means mobile -- it does not, 802.16e systems can be mobile, fixed, nomadic or combinations of these. The WiMAX Forum will eventually have an 802.16e profile for 5 GHz, but the systems themselves will be designed for the realities of UL in 5 GHz (so they will be designed for fixed). As such, they will not have lots of the expensive things needed in a mobile WiMAX network like ASN gateways, AAA servers, etc.
At this point, it is probably best to ignore Jeff's posts regarding WiMAX. They are thus far simply wildly off the mark. Patrick Leary AVP, Market Development Alvarion, Inc. o: 650.314.2628 c: 760.580.0080 [EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jeffrey Thomas Sent: Saturday, October 06, 2007 3:29 AM To: WISPA General List Subject: Re: [WISPA] RF propagation map: WiFi vs WiMax? 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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