digital television datacasting for public...
TRANSCRIPT
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
2
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
3
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
1
DTV Studio
TV
transmit
tower
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3
4
5
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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