From: Marc Lewis 
Subject: Re: wireless chickens coming home to roost


Hello All,

Wednesday, October 3, 2012, 1:23:30 PM, Richard Webb wrote:



RW> Colleagues,



RW> AGain the fcc is dealing with the "white space" issue which
RW> is so problematic to those of us who use a lot of wireless
RW> to ship audio around.  This especially impacts the large
RW> venues and the film sound people, but we're all going to
RW> bump up against it sooner or later if we or any of our
RW> clients want to go wireless.
[SNIP]

Here is a portion of what I located on the FCC web page. I don't
believe is to be 100% relevant and there is certainly more to it than
what I'm posting here:

-+-+-+-+CUT-+-+-+-+-

Television stations often operate on the same or adjacent channels.
However, to avoid interference between each other, television stations
are often operated in geographically separate areas. Further, there
are areas of the country where, because of population density, not all
television channels are utilized. This unused spectrum between TV
stations -- called white spaces -- represents a valuable opportunity
for our changing wireless mobile landscape. This block of spectrum is
ripe for innovation and experimental use, holding rich potential for
expanding broadband capacity and improving access for many users, and
for developing technologies that can expand this type of spectrum
access to other frequencies and services in order to greatly increase
our ability to utilize spectrum. The FCC is moving forward with plans
and is actively working to unlock this spectrum in order to maximize
white spaces' value for consumers and businesses.

In 2010, the Commission adopted final rules to allow unlicensed radio
transmitters to operate in the white spaces. This action made a
significant amount of spectrum available for new and innovative
products and services, such as wi-fi. These rules provide for the
following:

    Both fixed and personal/portable devices can operate in the white
    spaces in the TV bands on an unlicensed basis.

    The primary method of preventing interference to TV and other
    services is a geo-location capability of the white spaces devices
    combined with database access to identify vacant TV channels at
    specific locations. The databases are established and administered
    by parties selected by the Commission.

    Locations where licensed wireless microphones are used and the
    sites of event venues where large numbers of unlicensed
    microphones are authorized can be registered in the database and
    will be protected. In addition, two channels (subject to
    availability) will be kept free of unlicensed devices at any given
    location to provide for wireless microphones to operate with no
    registration requirement.

    Further, the rules provide for registration of the receive sites
    of multiple video distribution systems (MVPDs) and low power TV
    stations and of temporary broadcast auxiliary fixed links to
    provide those facilities protection from interference from TV
    white space devices.

The Commission continues to look at other innovative approaches to
enable additional white space opportunities in other frequency bands.

-+-+-+-+CUT-+-+-+-+-

As I find other directly related data I'll attempt to post it here.

--
*****************************************
*  Best regards,
*  Marc.



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