muliple operating frequency overlay- MOFO
Atca ( telco term for a standard they use for rack mounted blade base
station equipment, with interoperability, you can potentially have a
base station unit with a Airspan blade for 3.65, an aperto blade for
5.4, and an alvarion blade for 5.8 ) Internationally this applies to
most 3.5 ghz solutions.
SDR- software defined radio. This makes it so manufacturers can very
easily offer additional features like 2x2 mimo, beamforming, and
quickly port to other frequencies without needing to manufacture new
ODU's and IDU's.
On Oct 7, 2007, at 7:01 AM, Dylan Oliver wrote:
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.
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Primaverity, LLC
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