Wednesday, August 22, 2012

First Responders Assessment Crisis Alerts For Mobile DTV

PBS and a few of its technology allies gave initial responders a protest this week of how EAS could work using the ASTC’s Mobile Digital Television typical ("A/153"). The demo was conducted at the Association of Public-Safety Communications Officials (APCO) in Minneapolis.

The Mobile-Emergency Alert System (M-EAS) is segment of a yearlong commander plan using antecedent apparatus deployed in Massachusetts, Alabama and Nevada around open radio stations. It was shown progressing this year at the NAB and CES conventions. This time the demo was existing to about 5,000 officials in attendance the open safety conference.

Backers of the plan are the Public Broadcasting Service (PBS), LG Electronics and Harris Broadcast. PBS is providing the announce facilities, LG created the M-EAS mobile phone receivers and Harris manufactures apparatus to supply the announce stations for crisis transmissions.

The network can transmit video, text, depletion maps and other materials to users during an crisis using the Mobile DTV frequencies. The antecedent LG mobile phones used in the demo offering not usually audio and visible indications of crisis alerts, but moreover enclosed a moving mode to forewarn users of an imminent emergency.

M-EAS requires no extra spectrum for broadcasters and uses typical Mobile DTV equipment. The Advanced Television Systems Committee is working on a alteration to the mobile DTV typical that would make it simpler to broach these alerts over the system.

"M-EAS simply overlays an whole civil area with a vigilance that is not contingent on mobile wireless network infrastructure," mentioned John Lawson, senior manager director of the Mobile500 Alliance group. "It effectively bypasses bottlenecks caused by overload and will broach rich-media calm to mobile phones, tablets and APCO-25 standardised crisis responder radios."

If deployed, M-EAS will broach multimedia alerts to mobile DTV-equipped cellphones, tablets, laptops, netbooks and in-car navigation systems in a way that won’t meddle with mobile communications during emergencies.

John McCoskey, PBS’s arch technology officer, mentioned the M-EAS network would be interdependent with the stream cellular-based network that transmits 90-character texts to mobile phones.

"Mobile radio may be an efficient way to attain millions of people with a singular highly-robust broadcast, without relying on access to an overburdened wireless mobile network," McCoskey said. "We think that the new ATSC Mobile DTV network may be harnessed to do far more than just the smoothness of in a line TV channels."

M-EAS is written for union in to the U.S. Integrated Public Alert and Warning System and is agreeable with the general Common Alerting Protocol.

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