25 or 250 MHz? Sent from my Motorola Startac...
On Feb 8, 2009, at 4:22 PM, "Brian Webster" <bwebs...@wirelessmapping.com > wrote: > Looks like there is 25 MHz of unlicensed spectrum at 24 GHz for PTP > use. I > wonder if these radios could get FCC certified using PTP rules like > Navini > and SkyPilot did? That would make for an interesting change in the > landscape > for urban markets. Granted you would only have one channel but at 24 > GHz > frequency reuse would be easily done. Terrain and buildings could do > wonders > for containing the signal. > > > > Thank You, > Brian Webster > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on > Behalf Of Gino Villarini > Sent: Sunday, February 08, 2009 2:38 PM > To: Motorola Canopy User Group; WISPA List > Subject: Re: [WISPA] [Motorola II] Thinking out of the box ... Gigabit > PTMP? > > > already dug up some info: > > http://www.jrc.co.jp/eng/product/26g_fwa/index.html > > 16qam 80 mbps in a 30 mhz > > > Gino A. Villarini > g...@aeronetpr.com > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > > > ________________________________ > > From: motorola-boun...@wispa.org [mailto:motorola-boun...@wispa.org] > On > Behalf Of Brian Webster > Sent: Sunday, February 08, 2009 3:23 PM > To: Motorola Canopy User Group; WISPA List > Subject: Re: [Motorola II] Thinking out of the box ... Gigabit PTMP? > > > Fibertower owns a lot of the LMDS spectrum that they acquired when > they bought First Avenue Networks. First Avenue acquired the spectrum > which was the old WinStar and Teligent stuff. From what I understand > there are still a few people who have warehouses of that old > equipment. > Fibertower was in the business of leasing that spectrum but they > stopped. I tried to negotiate a deal when I was at EarthLink to do a > nationwide lease with them. They have both 24 and 39 GHz spectrum with > the 39 being almost nationwide > http://www.fibertower.com/corp/solutions-spectrum.shtml. The problem > with this spectrum is available equipment. For the EarthLink deal the > plan was to use the 24 GHz spectrum. Japan Radio Corp (JRC) has a PTMP > solution with CPE's in a form factor very similar in size to Canopy. > We > would have gone through the FCC cert process for those if the rest of > the deal had gone through. While we were talking Fibertower did a 180 > and said they weren't going to look at leasing anymore. My thought was > they got greedy and figured if EarthLink was going to be able to do > it, > they should do it themselves. Didn't pan out for them though. > There are still many private LMDS licenses that could probably be > bought or leased cheaply. With no equipment available that spectrum > has > lost it's value. I'm sure JRC would spin up some product if the market > showed some interest. Maybe with the new map other manufactures > could be > encouraged to do so as well. I don't recall any of the product details > or the throughput but those are the places I would start on this > quest. > I think this is a great idea and one which should be pursued. It would > be great to show the government that WISP's will make the most of of > whatever is at hand and make it a profitable growing business, nit > just > speculate on spectrum to resell or to build up a marginal business and > position it to sell (Nextel anyone...). I'm really getting tired of > the > "Flip this House" mentality in the licensed wireless world. > Artificially > inflated financials with very few who have actually proven their own > business plan before they sell it to the next sucker (Sprint > anyone...)... I could rant for a long time on the issue but I'll spare > everyone. > As difficult as it is to deal in unlicensed spectrum, it has some > serious advantages. As long as you play within the rules there aren't > big players and government always trying to create winners and losers. > With unlicensed you can quietly go about building an industry and go > undetected (like the WISP industry if you look at congress today). > Maybe > it's time to get creative and do something with free space optics > and 60 > GHz to build up some sort of PTMP solution? Today you know there are > certain spectrum bands you have access to right now. You don't need to > wait for the winds of political change to gain access. While working > towards WISP protected spectrum is a good thing, it's just as smart to > focus efforts on the bird in hand. Look at White Spaces. They have > pushed that off till June. It will be nice when it's available but > don't > hold your breath or your innovation waiting for it. Create innovation > now with what we have. > This stuff won't be sub $100 CPE's. There is not enough > manufacturing scale to do so but the costs required to do this with > subsidized efforts by the government might make it cheaper than one > thinks. This probably won't work for the extreme rural areas where the > household density make it hard to justify much of any technology and > still make a profit, but looking at the WISP map I see we have many > operators who easily live in densely populated areas to justify > projects > such as this. I saw it's time for innovation. NEVER say NEVER when it > comes to technology. Almost always you will be proven wrong in time, I > know I have been on a number of things. > > > > Thank You, > Brian Webster > > -----Original Message----- > From: motorola-boun...@wispa.org > [mailto:motorola-boun...@wispa.org]on Behalf Of Gino Villarini > Sent: Sunday, February 08, 2009 11:34 AM > To: Motorola Canopy User Group > Cc: WISPA General List > Subject: [Motorola II] Thinking out of the box ... Gigabit PTMP? > > > Today i have been pondering the idea to provide a wireless > alternative to FTTH... > > At least a short range (up to 1 mile) 100 - 500 mbps wireless > PTMP system to the home to provide triple play services. > > With todays current products, I ll say it cant be done... but is > there an alterenative? > > Couple of ideas came in to my mind ... > > Rebirth of LMDS? AFAIK LMDS has not had great success on the > states, spectrum was bidded, some gear was tested... no big networks > were built ...but all this was almost 10 years ago, with today > technology could a cost effective platform be developed to provide > GIgabit PTMP on LMDS? MIMO Radio + 256qam + big spectrum means big > bandwidth > > PTMP 24 ghz? Could a PTMP UL 24 ghz be developed? upconvert > and bond multiple 802.11n based links with a polling mac? > > Anyone would like to add something? > > > Gino A. Villarini > g...@aeronetpr.com > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > > > > > --- > --- > ---------------------------------------------------------------------- > ---- > 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/
