aPNT and ZTA for Timing and Synchronization in Broadcast
Originally Aired - Sunday, April 14 | 1:30 PM - 1:50 PM PT
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Emphasizing the critical role of timing and synchronization in essential infrastructure is imperative. This emphasis has prompted a comprehensive evaluation of the vulnerabilities inherent in existing time sources. This paper aims to delve into these risks and explore potential solutions to safeguard critical infrastructure. It will also touch upon the U.S. government's efforts in securing Positioning, Navigation, and Timing (PNT) and the significant recommendations stemming from this initiative. The secure PNT objective is to address the escalating frequency of GNSS (Global Navigation Satellite System) outages, which have left users seeking alternative solutions. We will explore the potential impact of these threats on various aspects of content generation, processing, and distribution, particularly in the TV broadcast industry. We will also discuss the role that the broadcast industry can play in implementing potential solutions. The discussion will introduce the concept of Zero Trust architectures, their implementation, and the variety of time sources available today, as well as those currently in development. These alternatives include network protection schemes and highly stable oscillators, as well as multi-constellation/multiband GNSS receivers, anti-jamming and anti-spoofing solutions and other emerging alternatives like Low Earth Orbit (LEO) satellite networks and next-generation broadcast networks. The objective is to inform and equip users with the tools available to counteract common threats such as GPS interruptions, GPS degradation, GPS service denial, and GPS spoofing.
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