Have you done a spectrum study on the towers to see what the noise floor is like? I have heard some say the Ubiquity MIMO stuff covers like 900 MHz in areas with reasonable noise levels.
Thank You, Brian Webster www.wirelessmapping.com www.Broadband-Mapping.com -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Mike Hammett Sent: Tuesday, January 18, 2011 8:15 PM To: WISPA General List Subject: Re: [WISPA] 2.4 foliage propagation Well, no, the foliage doesn't make noise, but everything in Wal-Mart has a 2.4 Ghz transmitter in it now. Those are antenna gains. Radios would be up to 20 or so. Tower most likely would be above the trees, but the CPE surely wouldn't. If the CPE were above the trees, then I'd just use 5 gig and above the noise\limited spectrum. I wouldn't imagine I'd have to go more than a half mile between the start of trees and the CPE. It wouldn't be a half mile of forest, though. Houses, roads, yards, etc. in those trees. ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com On 1/18/2011 6:55 PM, Jack Unger wrote: > On 1/18/2011 4:46 PM, Mike Hammett wrote: >> I know it sucks compared to lower frequencies. > Yes >> I know it typically has a high noise floor. > Foliage doesn't create noise, only attenuates signal. >> I've never used it outdoor for real world experience. >> >> I'm looking at some small towns and other groups of houses with no more >> than 300 people or so (some much smaller). They are old, so they have >> adult trees. Is it reasonable to expect to be able to service these >> homes with 18 dBi at the CPE and 20 dB at the tower? > ERP or transmit power? Plan to mount all your antennas (AP and CPE) above the > trees or else... ---------------------------------------------------------------------------- ---- WISPA Wants You! Join today! http://signup.wispa.org/ ---------------------------------------------------------------------------- ---- WISPA Wireless List: [email protected] 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: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
