On Wed, Dec 23, 2009 at 09:24:34PM -0500, Matt Liotta wrote: > That doesn't seem inline with any of the RFPs. Generally speaking, the > carriers that want TDM only want it for voice and generally don't > require more than 5 T1s for voice. Almost all of the carriers now seek > Ethernet for for data. Almost always, the request is between 10Mbps > and 100Mbps per tower.
That doesn't seem too difficult. Look, if we can't get 10-100mbps to a tower, we're doomed in a short time. Our towers are often close to cell towers, and a high margin microwave link to our tower, paid for by the cell folks recurring payment would really improve our sites, then we'd run fiber over to the cell phone company shelter. We'd win with the upgrade and revenue, and they wouldn't have to build fiber or pay more rent for a microwave backhaul. > Not to say that it is easy. CDMA-based carriers for example have > stringent clocking requirements for their TDM that doesn't appear > solvable with TDD radios. Further, the carriers that want Ethernet > want straight layer2 between their tower and MSO. This generally means > that the aggregate amount of backhaul exceeds radio capability the > further away from the MSO you get. Unless you have a fiber partner or > have fiber yourself then forget it. > > -Matt > > On Dec 23, 2009, at 6:06 PM, 3-dB Networks wrote: > > > Don, > > > > Unless your backhaul can support TDM natively and can deliver over > > 500Mbps > > just to them (which from what I understand the carriers are really > > believing > > they will need), I don't think the average carrier would be > > interested in > > collocating if that is what you were thinking of. > > > > The more immediate concern to WISP's should be carriers like > > Clearwire/Sprint gobbling up licensed spectrum for their backhauls > > in my > > opinion. It's a very real concern in markets where Clearwire has > > deployed... and is only going to become more of a concern going > > forward. > > 60GHz and 80GHz are going to get a big boost though. > > > > Daniel White > > 3-dB Networks > > http://www.3dbnetworks.com > > [email protected] > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > On > > Behalf Of Robert West > > Sent: Wednesday, December 23, 2009 3:57 PM > > To: 'WISPA General List' > > Subject: Re: [WISPA] Wireless backhauls for Cell Carriers > > > > Some of us have discussed doing that but it takes more than just a > > few of > > us. If enough were on board it would be a win/win for those involved. > > > > Bob- > > > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > On > > Behalf Of Don Renner > > Sent: Wednesday, December 23, 2009 5:37 PM > > To: 'WISPA General List' > > Subject: [WISPA] Wireless backhauls for Cell Carriers > > > > A coordinated effort by WISPA to provide some of the necessary > > backhauls, > > seems like a good idea. > > > > > > > > http://www.rcrwireless.com/apps/pbcs.dll/article?AID=/20091223/INFRASTRUCTUR > > E/912219995/ > > > > > > > > Don Renner > > > > NetsurfUSA, Inc. > > > > 8550 W. Main St. > > > > French Lick, IN 47432 > > > > 812-936-4514 Office > > > > 812-936-2006 Fax > > > > 812-521-1876 Cell > > > > [email protected] <mailto:[email protected]> > > > > > > > > > > > > ---------------------------------------------------------------------------- > > ---- > > WISPA Wants You! 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