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Harris and LG Demo Full Channel Mobile DTV
      #36711 - 04/12/10 02:22 PM

Harris Corp and LG today are demonstrating mobile digital television delivered in "Scalable Full-Channel Mobile Mode" at the 2010 NAB Show. The demonstration features functioning hardware for both transmission and reception of mobile DTV signals using enhanced technology. More about Flexible Spectrum option mobile DTV:

The new system enables as many as 16 different video programs to be sent in the same 6 MHz bandwidth utilized by a TV broadcaster. It has been proposed for standardization to the Advanced Television Systems Committee (ATSC) and is being unveiled this week at the 2010 National Association of Broadcasters (NAB) convention.

Current TV broadcasters are required by the Federal Communications Commission to offer at least one standard-definition digital TV program in their 19.4 Mbps broadcast bitstream. Owners of other 700 MHz spectrum, however, have more flexibility. The Harris/LG demonstration will show spectrum pwners and all terrestrial broadcasters how to maximize spectrum use with a greater variety of TV programs to reach mobile viewers "on the go" as viewing habits change.

Multiple Mobile Programs on One Channel
To achieve its robust approach to Scalable Full-Channel Mobile Mode, LG and Harris engineers have trimmed the main digital program to enable a mere trickle of data ? enough to advertise available mobile programs on the service to in-home viewers. Most of the 19.4 Mbps bitstream in the 6 MHz TV channel is then cleared for transmission of various mobile programs, which can all be beamed from the same broadcast infrastructure.

The LG-Harris Scalable Full-Channel Mobile Mode is designed to be compatible with the ATSC A/153 Mobile DTV Standard adopted by the ATSC last October. It will offer non-traditional broadcasters an effective way to reach millions of mobile, portable and handheld devices.


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