Patrick, could you de-jargonize what 'second order diversity' means?


++++++++++++++++++++++++++++++
Neofast, Inc, Making internet easy
541-969-8200  509-386-4589
++++++++++++++++++++++++++++++

--------------------------------------------------
From: "Patrick Leary" <ple...@apertonet.com>
Sent: Wednesday, June 30, 2010 9:39 AM
To: "WISPA General List" <wireless@wispa.org>
Subject: Re: [WISPA] 900MHz VS 3.65GHz

> I can give you a reasonable answer here Shane. With the use of a 2nd
> order diversity WiMAX product in 3.65 GHz, you should be able to expect
> slightly better range than 900 MHz, though that comes at a price much
> different than legacy proprietary systems in traditional UL bands.
> Without diversity (and some of our gear is included in this), the range
> will not be as good, though you can expect much higher data rates (up to
> almost 20 mbps net) and better than imagined QoS. Prices for
> non-diversity gear approach typical UL systems and can be less expensive
> in some cases (especially CPE).
>
> In the end, 3.65 GHz at this point still has a very low noise floor so
> all systems benefit from that. The efficiency of WiMAX 3.65 GHz systems
> mean you can expect very good throughput -- far higher than you wil ever
> get out of 900 MHz -- coupled with strong QoS. Should 3.65 GHz ever
> become heavily populated (I tend to be doubtful that will happen for
> years), then all gear will suffer less range with the higher noise
> floor.
>
> My general recommendation for people using 900 MHz who want to try 3.65
> GHz (and in particular WiMAX versions of such) is to maintain the 900
> MHz for best effort customers, while migrating commercial and/or higher
> needs/desires customers to 3.65 GHz if the range allows. Also use the
> WiMAX to add commercial customers you could not attract before with the
> best effort. Slow speed 900 connections.
>
> Take some time to familiarize yourself with WiMAX features, slowly and
> methodically, as this trips up many making the transition or adding
> WiMAX. Pay careful attention to EMSs if applicable. Swallow any strange
> twists of pride that some may have and get yourself trained on the
> system you plan to use (these are not synonymous in management to most
> products you have used before). Ignorance of the system can (and likely
> will) cost you time, money, frustration and maybe a customer or two
> until you get up to speed.
>
> Enjoy and good luck.
>
>
> Patrick Leary
> Aperto Networks
> 813.426.4230 mobile
>
> -----Original Message-----
> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
> Behalf Of Shane MacDonald
> Sent: Wednesday, June 30, 2010 9:16 AM
> To: WISPA General List
> Subject: [WISPA] 900MHz VS 3.65GHz
>
>
> I've had an increasing number of our customers asking almost on a daily
> bases what I am hearing about  3.65 GHz equipment.
> How does it compare to the 900 MHz? What is the NLOS capabilities of
> 3.65?
> To date our company has only tested two manufactures of 3.65 equipment
> and didn't have 900 MHz on the tower to compare results with.
>
> I would like to hear from all of you what your test results have been.
> How does 3.65 GHz directly compare to 900 MHz for distance and NLOS?
> Would also like to know what radio manufactures are working best for
> you.
>
>
> Thanks in advance for your input.
>
> Shane MacDonald
> KP Performance Antennas
> Sales Manager
> sh...@kpperformance.ca
> www.kpperformance.ca
> Direct line 780-702-9977
> Fax             780-460-2786
>
>
>
>
>
> ------------------------------------------------------------------------
> --------
> WISPA Wants You! Join today!
> http://signup.wispa.org/
> ------------------------------------------------------------------------
> --------
>
> WISPA Wireless List: wireless@wispa.org
>
> Subscribe/Unsubscribe:
> http://lists.wispa.org/mailman/listinfo/wireless
>
> Archives: http://lists.wispa.org/pipermail/wireless/
>
>
> --------------------------------------------------------------------------------
> WISPA Wants You! Join today!
> http://signup.wispa.org/
> --------------------------------------------------------------------------------
>
> WISPA Wireless List: wireless@wispa.org
>
> Subscribe/Unsubscribe:
> http://lists.wispa.org/mailman/listinfo/wireless
>
> Archives: http://lists.wispa.org/pipermail/wireless/ 



--------------------------------------------------------------------------------
WISPA Wants You! Join today!
http://signup.wispa.org/
--------------------------------------------------------------------------------
 
WISPA Wireless List: wireless@wispa.org

Subscribe/Unsubscribe:
http://lists.wispa.org/mailman/listinfo/wireless

Archives: http://lists.wispa.org/pipermail/wireless/

Reply via email to