Digital Television Datacasting for Public...
Transcript of Digital Television Datacasting for Public...
Digital Television Datacasting for Public Safety
Enhancing Public Safety Communications by
Leveraging Existing Public Television Spectrum
Datacasting Presentation 11/17/2017
Demand for Data Growing• Public safety communication requirements are
rapidly expanding beyond LMR
• Video and computer data requirements growing
• The number of devices per officer increasing
• Existing wireless networks, including FirstNet,
expanding to meet demand
• Rural coverage and urban congestion remain a
concern
• DHS Report on public safety datacasting in Houston
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Public Television is Resilient and Reliable
• Covers 96% of the US population
• Including territories
• Equipped with backup generators
• Supported 24/7 by professional engineers
• Maintain almost 100% uptime
• Even during disasters and extended power outages*
• Public television can also offer the fiber, microwave, satellite and high speed
Internet backbones they use to move high value content with no additional
investment in infrastructure
• Facilities are secure - most require keycard access to servers and infrastructure
• Stations operate on licensed spectrum, not accessible or corruptible by the public
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Houston PD
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• DHS Exercise
• Republican debate
• Final Four
• Flooding surveillance
• Helicopter video
• Marathon
• Super Bowl
• Harvey
Interoperable, Secure Content
Distribution Over DTV - How it Works
Situational awareness
Other
dispatch
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DTV Studio
TV
transmit
tower
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Datacasting Enhances FirstNet
• Fail-safe communications during emergencies
• Congestion relief
• Rural coverage
• Interoperability
• New licensed spectrum
• Optimized for data
• Existing towers, backhaul
• One-to-many content delivery
• Bandwidth can increase during emergencies
• Two-way when operating in an ecosystem with other networks
• Leverages investment in public television
• Datacasting offers an existing, operational network, reducing infrastructure costs
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Receive and Station Equipment
USB receiver Dongle
Linux Appliance Receiver
TV Station EquipmentAntennas
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Future
FirstNet
Device
Next Generation Broadcast Standard
• Mobile reception on phones and tablets
• Built-in hooks for LTE and Internet integration
• Hybrid broadcast/broadband services
• HTML 5
• More efficient spectrum usage
• Higher power, denser signals
• Deeper building penetration
• Single Frequency Networks
• Advanced public alerting
• Native IP transport
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Broadcast TV is undergoing a major technology transformation
Questions?
Thank You
Mark O’Brien
SpectraRep
703-802-2975 Office
703-625-6462 Cell