Cell Broadcast on mobile telephones can be used for early warning systems by Governments. A few countries in the world have already adopted this technique. This weblog focusses on CB use for early warnings.

Friday, August 11, 2006

Cell Broadcast named in Wikipedia

An explication about Cell Broadcasting can be found in Wikipedia:
http://en.wikipedia.org/wiki/Cell_Broadcast

Thursday, August 10, 2006

The potential of Cell Broadcast technology

The ability to broadcast messages has been around since the GSM Phase 2 Technology Specification was introduced in 1995. However, only in the last few years have network operators, started to deploy cell broadcast-based services.

Why did they take so long? The answer is simple: business managers at wireless operators did not think they could generate a profit with a one-directional, subscriptionless broadcast service. However, it is now clear that cell broadcast is a useful service with profit potential that enables operators to provide broadcast information to specifically targeted subgroups of their subscriber base.

In today's handsets, selecting a channel can be a tedious task. Another helpful GSM feature is "Over the Air programming of the SIM card." Potentially, subscribers could select their preferred channels on the carrier's Web site and have them downloaded onto the SIM card in their handsets via this technology (under full control of the carrier).

Cell broadcast technology is in an early adoption stage in North America. The technology is available, but work needs to be done to package it and offer it as a product to subscribers. For GSM network operators, it is a challenge to define services that will use the cell broadcast capability of their network. Currently a cell broadcast service is also being defined for CDMA. It is a matter of time before the first cell broadcast-based service will be launched in the U.S. This is yet another opportunity for GSM operators to differentiate themselves from PCS competitors.

Abstract article SYS-CON Media Inc.

Cell Phones Join Emergency Broadcast Network

12 July 2006:
The Federal Emergency Management Agency (FEMA), part of the Department of Homeland Security in the USA, is demonstrating today a new system for warnings to be sent as text messages to mobile cell phones.
The warnings, for terrorist attacks or natural disasters such as hurricanes, are intended to be of use to both emergency responders and the general public. In many cases, the text messages sent to mobile phones will alert the reader to check TV stations for more information.
By the end of the year, Homeland Security expects to roll it out first in the Gulf Coast states, hard hit by recent hurricanes, and then to large cities around the country. Consumers will automatically receive the alerts, but can opt out.
Avi Greengart, an analyst with technology research firm Current Analysis, noted that automated text messages for emergencies are already used in such countries as the UK and Israel.
"I think we're going to hit a point soon, with 3G and so on, where you won't need to go to another medium," he said. "You can watch the video or audio information, as well as receive the text messages, on your cell phone." He pointed out that a 3G system also could provide more bandwidth than the current system, to avoid overloading.