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.
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