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Global contact Jörg Springer Vice President Global Marketing & Communications +49 511 676 2516 peter.krause@rfsworld.com
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07-Apr-2007 Print page

RFS promotes early RF planning for Mobile TV at NAB 2007

Mobile entertainment, and most particularly mobile television, is shaping up to be a central theme of April’s NAB exhibition in Las Vegas. At this year’s exhibition, broadcast RF technology group, Radio Frequency Systems (RFS), will address the many questions, issues and challenges surrounding this emerging market. A team of experts will be on hand at its NAB stand to explain mobile TV deployment strategies, the growing suite of deployment solutions the company can offer--and the importance of considering RF issues as early as possible.

“RFS boasts enormous expertise and experience in the world of mobile TV--we are one of the pioneers in this sector,” said Jörg Springer, RFS Vice President Global Marketing and Communications. “We are one of the experts that broadcasters and wireless carriers who are planning to move into the mobile TV realm need to be talking with, and this should be as early as possible. RF infrastructure is an important capital choice in the mobile TV equation--it can have huge impact on total lifecycle cost, ROI and network performance. Talking with RF experts as early as possible in the mobile TV network process is absolutely vital.”

Globally, three major mobile technologies are currently proposed for mobile TV, which are, in turn, linked to three network deployment models. The technologies under consideration are: terrestrial digital multimedia broadcast (T-DMB), digital video broadcast to handhelds (DVB-H), and satellite services to handheld (DVB-SH). These are linked to three deployment models: conventional broadcast (using DVB-H or T-DMB), mobile network overlay (using DVB-H) or hybrid satellite (founded on DVB-SH). Four major bands are also being explored: traditional VHF and UHF broadcast bands, L-band (1452 to 1675MHz) and S-band (1710 to 2200MHz). The RFS mobile TV solution set addresses this broad mix of mobile TV network models, technologies and bands.

To support escalating interest in L-band stand-alone networks for mobile TV, RFS is developing an entirely new suite of antennas. Chief among these--and to be officially launched at NAB 2007--will be RFS’s new series of vertically polarized L-band panel antennas, specifically designed to support L-band DVB-H mobile TV networks. Weighing just 22 pounds and measuring only 6.5 feet in length, these compact units will provide between 15 to 16.5dBd of gain and power handling of up to 750 Watts. The new antennas will be available in two beam-widths, a 90-degree variant and a 65-degree.

RFS also offers practical antenna solutions for the ‘mobile network overlay’ model. The suite addresses the model’s key criteria: essential low-power to ensure emissions remain within limits and co-sited cellular receivers are not blocked, plus antennas that are visually unobtrusive and ultra-lightweight to meet environmental and structural considerations. This suite of antennas incorporates a selection of compact and lightweight UHF monopole antennas with vertical polarization, including the ultra-lightweight HU6 series of omnidirectional antennas. Complementing the HU6 is the RFS UD-series cardioid broadband dipole array, which supports the entire UHF band in just two models.

The company is also currently involved in European trials of a new generation of antennas and active repeater systems to support S-band hybrid satellite networks and has developed specific antenna and diplexer solutions to address this market.

To learn more of the RFS’s expanding mobile TV solution set, visit the RFS stand at NAB 2007: booth number C1913, Central Hall 1, Las Vegas Convention Centre (LVCC), Las Vegas, Nevada, 16 to 19 April, 2007.

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