What part of the 3650 rules make E "not supportable"? Tim
> -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Matt Liotta > Sent: Wednesday, September 09, 2009 3:47 PM > To: WISPA General List > Subject: Re: [WISPA] Which WiMAX Are You? > > E is only really useful for mobile and mobile is not supportable with > the > current 3650 rules. > -Matt > > On Wed, Sep 9, 2009 at 6:42 PM, Tim Sylvester > <t...@avanzarnetworks.com>wrote: > > > I would like to see more vendors support 802.16e at 3.65GHz. Also I > would > > like to see 802.16e at 3.65GHz supported in a netbook and a USB > dongle. > > Does > > anyone know if the Intel WiMAX chips support 3.65GHz? > > > > Tim > > > > > -----Original Message----- > > > From: wireless-boun...@wispa.org [mailto:wireless- > boun...@wispa.org] On > > > Behalf Of Matt Liotta > > > Sent: Wednesday, September 09, 2009 3:34 PM > > > To: WISPA General List > > > Subject: Re: [WISPA] Which WiMAX Are You? > > > > > > I look forward to seeing everyone at 4G World next week. > > > Personally, I don't care for D or E in a fixed deployment, but if > you > > > nailed > > > me down I would go with D. WiMAX tries to be too many things for > too > > > many > > > people. WiMAX-based proprietary systems are far more useful for > fixed > > > deployments. > > > > > > -Matt > > > > > > On Wed, Sep 9, 2009 at 5:28 PM, Patrick Leary > <ple...@apertonet.com> > > > wrote: > > > > > > > The subject question is one Aperto thinks should be asked and now > is > > > the > > > > time to ask it. The WiMAX Forum has been beating the 802.16e drum > in > > > a > > > > manner trying to chump 802.16d. The fact is, there are two WiMAX > > > > standards, not one. By the Forum's own words from a 2005 paper it > put > > > > out in November 2005, penned by Monica Paoli of Seza Fila: > > > > > > > > "The WiMAX Forum is committed to providing optimized solutions > for > > > > fixed, nomadic, > > > > portable and mobile broadband wireless access. Two versions of > WiMAX > > > > address the > > > > demand for these different types of access: > > > > * 802.16-2004 WiMAX. This is based on the 802.16-2004 version of > the > > > > IEEE 802.16 > > > > standard and on ETSI HiperMAN. It uses Orthogonal Frequency > Division > > > > Multiplexing (OFDM) and supports fixed and nomadic access in Line > of > > > > Sight > > > > (LOS) and Non Line of Sight (NLOS) environments. > > > > * 802.16e WiMAX. Optimized for dynamic mobile radio channels, > this > > > > version is > > > > based on the 802.16e amendment and provides support for handoffs > and > > > > roaming." > > > > > > > > It is time the Forum own up to their own words, so Aperto is > going to > > > > asking the question at 4G World coming up in Chicago next week. > The > > > fact > > > > is, the fixed standard is stable and ideal for what it was > designed > > > to > > > > do: deliver fixed (and limited nomadicity) wireless broadband. > This > > > > version of the standard is better, yes better, than the mobile > > > version > > > > for doing metroscale fixed. It provides 13% more capacity per MHz > and > > > > 35% or so less latency. It can also be configured for symmetric > or > > > even > > > > higher ratio upstream vs. downstream, which is critical for > networks > > > > doing high capacity upstream like video surveillance. > > > > > > > > For too long, vendors that now only do the mobile standard have > been > > > > trying to squeeze the round peg of the mobile standard into the > > > square > > > > hole of fixed networks. This has been confusing many, and leading > > > some > > > > to overpay for their networks. Why pay for millions in R&D for > > > features > > > > that you can never use, especially in a 3.65 GHz network where > mobile > > > > can't happen? We have seen "consultants" spec'ing in E for 3.65 > GHz, > > > > thinking they will get interoperability and even PC cards for > their > > > > networks. They also think they can get self-install -- something > this > > > > community knows is not possible in 3.65 GHz due to the power > > > > restrictions placed on indoor modems. Operators and other would- > be > > > WiMAX > > > > deployers are being hoodwinked. > > > > > > > > The E standard does enable use of diversity, but it comes at a > high > > > cost > > > > and is of limited benefit for rural operators. The truth is that > > > > diversity is designed to increase link budgets to support self- > > > install. > > > > > > > > Basically, each standard has its place, E is for people in 2.5 > GHz > > > doing > > > > self-install, like Clearwire, and we all know the low service > > > > (especially low upstream) packages offered in Clearwire's > service. D > > > is > > > > better and cheaper for rural fixed operators, and especially for > > > public > > > > safety video type networks and definitely for voice-centric > users. D > > > is > > > > better for enterprise, where many users sit behind the CPE. E is > > > better > > > > for roaming individual users with modest expectations. > > > > > > > > We'd like to hear your opinions, and if you like to discuss this > with > > > us > > > > while at 4G World, please drop me a note. > > > > > > > > Regards, > > > > > > > > Patrick Leary > > > > Aperto Networks > > > > > > > > > > > > Patrick Leary > > > > Aperto Networks > > > > 813.426.4230 mobile > > > > > > > > > > > > > > > > ----------------------------------------------------------------- > ---- > > > ----------- > > > > WISPA Wants You! 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