NAB HOT TOPICS

RF Vendors Tackle Repack, Next-Gen Details

The FCC-mandated TV spectrum repack and ATSC 3.0 will be the biggest trends in RF developments at the 2017 NAB Show. However, that simple statement glosses over the complexities involved in making both a reality. This year’s convention will mark the first major industrywide opportunity broadcasters and RF vendors have had to dive into the nitty-gritty of making these major changes a reality. Photo: RFS. Click here to access TVNewsCheck’s NAB 2017 Resource Guide listing of RF consultants, vendors and products or here to download it as a PDF.

TECH SPOTLIGHT

OFDM Seen Key To Blanket OTA Coverage

Many U.S. broadcasters view the adoption of the digital encoding scheme as crucial to the new ATSC 3.0 standard. They say it’s the best bet for stations to deliver strong, robust signals for reception not only on big-screen TVs with indoor antennas, but also smartphones, tablets and other mobile devices. An OFDM-based standard, they say, would facilitate a TV station’s ability to “cellularize” its broadcasting system — that is, supplement its main transmitter and antenna with several strategically located booster stations broadcasting on the same frequencies.