Re: unlicensed WiMAX on hold?

Yes by XG Technology - Wavelet Transform Filter. Looking forward to it!

On 8/21/05, Rob S <[email protected]> wrote:
> System profiles could be defined for 802.16d, or 16e  but where is the
> advantage and money?  Use in the 2.4 or 5.8 GHz spectrums would be limited
> and congested and not viable market for major operators. WiMAX is not magic
> in terms of coverage area: it does improve on 802.11 in terms of NLOS and
> range but faces the same laws of physics at the prescribed spectrum: power
> levels at unlicensed spectrums are low which purposely limits range to
> mitigate interference.  3650-3700 is a bit different because it allows
> higher power levels and controls base stations so there isn't wily-Nelly
> conflicts.  But that will take about 12-24 months to see WiMAX systems.
>  
> There is also activity at 700 MHz licensed and 900 MHz unlicensed.
>  
> Some of the most interesting development activity is the development of
> systems that can operate at sub-thermal noise floor power levels and
> cognitive radio.  
>  
> The fact is that the duty cycle use of all spectrum, including analog
> broadcast spectrum, is only 14% in the most saturated areas (NYC).  Duty
> cycle use of spectrum at non-broadcast spectrum averages less than 2%.  
>  
> UWB is an attempt to aggregate signal energy that occurs at very low,
> sub-noise floor levels across a wide spectrum.  But attempts to implement
> UWB for wide area/Metro networks have shown to be unworkable.  
>  
> Some new technologies are developing including wavelet transform and single
> cycle sub noise floor side-band modulation.  These and other techniques are
> likely to eventually let the genie out of the bottle to tap a significantly
> higher portion of the 85%+ of spectrum that goes wasted.
>  
> Robert (Bob) Syputa
> Senior Analyst, Maravedis Telecom Research
> www.maravedis-bwa.com
> 206-367-6931
>  
>  
> ----- Original Message ----- 
> From: Tyler van Houwelingen 
> To: SeattleWireless Talk List 
> Sent: Friday, August 19, 2005 1:54 PM
> Subject: unlicensed WiMAX on hold?
> 
> 
> There is some talk from reliable sources that we are still at least 1 year +
> from unlicensed fixed WiMAX.   My understanding is that the current 16d
> specs wont work in unlicensed and we may have to wait for a standard called
> 16h (yes h) to use fixed WiMAX unlicensed gear.  
>  
> anybody got anymore info on this?
>  
> 
> Tyler van Houwelingen
> Founder and CEO
> Azulstar Networks, Inc.
> 1051 Jackson, Grand Haven, MI 49417
> 1117 Rio Rancho Blvd 13, Rio Rancho, NM 87124
> 1-877-AZULSTAR
> www.azulstar.com 
> 
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