I'd love to contribute more, however our experience really lies in 2.5GHz, which has a completely different power output profile than you get in the unlicensed bands, or 3650 so you're going to see a corresponding decrease in cell size and modulation levels as the power output decreases and noise floors are higher.
In 2.5GHz we see penetration as good as and in many cases better than we saw with 900MHz Canopy. We have several operational customers out to 22-23k in areas with varied terrain, trees, etc, in Minnesota. However that is not the norm. We typically use 6-8 miles as a target radius. 3650 is going to be somewhat less than that due to the lower output powers and less receive diversity. I do think to represent the range of a typical 3650 sector as 30km is stretching things a bit. It would be more realistic comparison to fix the range of a 3650 WiMAX system as approximately that of a 2.4/5.8 legacy product: Canopy, Trango, 802.11, whatever. Typical range on 3650 is going to be less than 900MHz, however you will have 4x the bandwidth capacity, probably pps capaicty increases as well depending on vendors - less noticable with VL 900, more with some lower end 900MHz gear. You may gain some additional penetration with the slightly higher EIRP provided by 3650 and MIMO. You will likely gain QoS to better be able to provide voice or SLA type services. On Thu, Apr 23, 2009 at 3:05 AM, Tom DeReggi <wirelessn...@rapiddsl.net>wrote: > I would argue slightly different.... > > 1) There are some that think the technology is really cool, because they > read the spec sheet, but also think it is over priced, so therefore never > deploy it, and never really know. EVerything you read about WiMax is > exciting from a tech perspective. > > 2) Then there are the other people who pay more for a product than some > think it is worth, and deploy it, and learn first hand the negative things > about the product, and what features are overspec'd, but would never > disclose their findings publically, as it would only bring attention to the > fact that their product offering is not as good as their own marketing says > it is. > > My point being, its hard to get a straight answer from someone that 1) > hasn't used it, or 2) someone that currently standardized on using it. > Either way, the opinion is biased, and has vested interests to protect. > What > you really need to find is someone that tried it long enough, but then > decided not to keep using it. They will probably have the real deal scope > on things. If you can't find that person, maybe WiMax is good as they say > it > is :-) > > In our case, we did 5.8Ghz Pre-WiMax gear trials 4 years ago, and it was a > failure here in the DC market. Trango (non-WiMax) proved to be a much > better solution for that market, from our perspective. I really would have > liked to see how much better official current generation WiMax worked or > improved. Unfortuneately I'm in a no 3650 zone. :-( > > I don't think there is any confusion on whether WiMax is the best of class > out there. Its strictly an ROI/affordabilty question, in which some are > willing to pay for the benefits. > > Respectfully, > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > ----- Original Message ----- > From: "Matt Liotta" <mlio...@r337.com> > To: "WISPA General List" <wireless@wispa.org> > Sent: Wednesday, April 22, 2009 2:01 PM > Subject: Re: [WISPA] 3650Mhz and Wimax Vendors > > > > Those of us operators who actually have experience in the field with > > the gear tend to avoid posting to threads about WiMAX because the > > threads quickly devolve. I suggest you read the archives of this > > mailing list. To summarize though; operators who use WiMAX like it and > > think the technology is actually different and better than what else > > is out there. The people who don't use WiMAX think it is overpriced > > and not particularly interesting. > > > > -Matt > > > > On Apr 22, 2009, at 1:41 PM, Charles Wyble wrote: > > > >> I'm looking for more operational experience and end user experience. > >> Certainly good technology contributes to that, but that isn't my > >> primary > >> goal. > >> > >> > >> Michael Baird wrote: > >>> It was interesting, but I was hoping for some more first hand > >>> experience > >>> reporting. Essentially the only explanation for improved range was a > >>> lower noise floor, which isn't a wimax thing, but a 3.65 thing. I > >>> think > >>> a lot of the 802.16d/e talk is market speak, I'm trying to get > >>> through > >>> that and establish technical reasons why one or the other is > >>> superior. > >>> > >>> Regards > >>> Michael Baird > >>>> So the recent thread on Wimax was quite interesting. I need to > >>>> read up > >>>> on the different technologies involved. I believe that a fixed > >>>> deployment is sufficient for many many many needs and markets > >>>> (wireless > >>>> local loop if you will). If people want mobility/end user wireless > >>>> they > >>>> can hang an 802.11 AP off the ethernet port of whatever CPE. Wimax > >>>> directly to the end device doesn't make much sense to me, in most > >>>> markets and use cases. Obviously if you are supporting a highly > >>>> mobile > >>>> workforce (say public sector type stuff) then it makes a lot more > >>>> sense. > >>>> > >>>> It got me thinking... if one was a new WISP entering an > >>>> un(der)served > >>>> market, it seems that it would not make sense to deploy standard > >>>> 802.11 > >>>> gear, but rather Wimax gear in 3650Mhz. Is this an accurate > >>>> assessment? > >>>> > >>>> One particular area that I'm targeting, doesn't have any broadband > >>>> available (other then 3g from Verzion). So they would need to > >>>> purchase > >>>> CPE anyway, and it wouldn't be anything they could get from Best Buy > >>>> (DSL or Cable modem). > >>>> > >>>> I'm in the process of negotiating access to the excluded areas (in > >>>> Southern California), but it's been slow going. Once I gain access > >>>> it > >>>> will open up many areas to some sorely needed competition. > >>>> > >>>> So who are the vendors in this space worth considering? > >>>> What are peoples experiences with the sales process (both pre and > >>>> post > >>>> sales engineering) > >>>> etc etc. > >>>> > >>>> > >>>> > >>>> > -------------------------------------------------------------------------------- > >>>> 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/ > > > > > > > > > -------------------------------------------------------------------------------- > > 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/
