Hopefully forward error correction and directional antennas will make it possible.
----- Original Message ----- From: "Jack Unger" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Wednesday, November 19, 2008 1:19 PM Subject: Re: [WISPA] TV Whitespaces > Anything's possible but look at the shape of a DTV waveform and compare > it to the shape of an OFDM broadband wireless signal. Now look at the > space between those two waveforms if they are on adjacent channels. It's > kind of like putting two bricks side by side with no space in between. > Who is going to interfere with who the most? Looks like the DTV signals > will interfere with our AP receivers AND our CPE transmitters will > interfere with nearby television receivers. Of course, I could be > wrong.... What's your take on it? > > Chuck McCown wrote: >> Perhaps once TVWS gets used and it proves a success, then they will open >> up >> adjacent channels. >> Once they do that there will be holes everywhere. >> >> ----- Original Message ----- >> From: "Jack Unger" <[EMAIL PROTECTED]> >> To: "WISPA General List" <wireless@wispa.org> >> Sent: Wednesday, November 19, 2008 12:58 PM >> Subject: Re: [WISPA] TV Whitespaces >> >> >> >>> Joe, >>> >>> The White Spaces are the unused television channels. In most major metro >>> areas, many of the channels are in use by television broadcasters and >>> other licensed users. Outside of major metro areas, there will be unused >>> channels available that you can use. In general, the more rural you are, >>> the more channels will be available. >>> >>> jack >>> >>> >>> Joe Laura wrote: >>> >>>> Am I hearing correctly that this new space can only be utilized in >>>> rural >>>> areas? Not for Citys like New Orleans? TIA >>>> Joe Laura >>>> Superior Alarm/Wireless >>>> New Orleans,La. >>>> www.superior1.com >>>> ----- Original Message ----- >>>> From: Blair Davis >>>> To: WISPA General List >>>> Sent: Monday, November 17, 2008 5:47 PM >>>> Subject: Re: [WISPA] TV Whitespaces >>>> >>>> >>>> Ubquity? Some kind of mini-pci card? >>>> >>>> Charles Wyble wrote: >>>> Mike Hammett wrote: >>>> Now that TV whitespaces have been approved for our use, let's hear >>>> from >>>> the vendors. When, how much, and what will you do with it? >>>> >>>> >>>> Indeed! >>>> >>>> Who would the likely vendors in this space be? >>>> >>>> Should we put an RFP together and send it around? I sure want answers >>>> to your questions as well. >>>> >>>> >>>> Ladies and gents: I haven't read all of the published information >>>> yet, >>>> but this is the second greatest battle we have come across (second only >>>> to having unlicensed available in the first place) and we have won! >>>> Congrats. It appears the portable devices are held to 100 mw of power, >>>> while we have 4 watts (which is pretty much what we have everywhere >>>> else). Four watts at these frequencies will carry! >>>> >>>> >>>> Yep! >>>> >>>> >>>> >>>> >>>> -------------------------------------------------------------------------------- >>>> 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/ >>>> >>>> >>>> >>>> >>> -- >>> Jack Unger - President, Ask-Wi.Com, Inc. >>> Serving the Broadband Wireless Industry Since 1993 >>> Cisco Press Author - "Deploying License-Free Wireless WANs" >>> WISPs - Do you know where your customers are? >>> For wireless coverage mapping see http://www.ask-wi.com/mapping >>> FCC Lic. #PG-12-25133 LinkedIn Profile >>> <http://www.linkedin.com/in/jackunger> >>> Phone 818-227-4220 Email <[EMAIL PROTECTED]> >>> >>> >>> >>> >>> >>> -------------------------------------------------------------------------------- >>> 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/ >> >> >> > > -- > Jack Unger - President, Ask-Wi.Com, Inc. > Serving the Broadband Wireless Industry Since 1993 > Cisco Press Author - "Deploying License-Free Wireless WANs" > WISPs - Do you know where your customers are? > For wireless coverage mapping see http://www.ask-wi.com/mapping > FCC Lic. #PG-12-25133 LinkedIn Profile > <http://www.linkedin.com/in/jackunger> > Phone 818-227-4220 Email <[EMAIL PROTECTED]> > > > > > > -------------------------------------------------------------------------------- > 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/
