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T226 White Paper
July 2003 (Rev C)
18
General Packet
Radio Services
The introduction of GPRS (General Packet Radio
Services) is one of the key steps in the evolution of
today’s GSM networks for enhancing the capabilities
of data communication. Data traffic is increasing
enormously (over both wired and wireless networks),
with the growth in demand for Internet access and
services paralleling that for mobile communications.
Users want access to the Internet while they are away
from their offices and homes, and surveys have found
that the vast majority of business professionals want
the ability to send and receive email, browse the Web
and transmit text and graphics on a portable device.
That is why the main applications driving Mobile
Internet development are email clients and Web
browsers.
The demand for high-speed Internet access will be the
key driver for coming generations of wireless services,
and GPRS can deliver the necessary speed. GPRS
allows innovative services to be created, enabling new
and previously inaccessible market segments to be
addressed and increasing customer loyalty.
GPRS applications can be developed as both
horizontal and vertical applications. Vertical
applications are specific, including those for
operations such as reaching police and emergency,
taxi, delivery or automated services (vending
machines, supervision, vehicle tracking). Horizontal
applications are more generic and include those for
Internet access, email, messaging, e-commerce and
entertainment.
GPRS is able to take advantage of the global coverage
of existing GSM networks. Applications developed for
GPRS can be deployed on a large scale and can reap
the associated benefits. GPRS also provides a secure
medium for connections to private networks, banking
and financial services.
With GPRS, the T226 sends data in “packets” at a very
high speed. The T226 remains connected to the
network at all times, using transmission capacity only
when data are sent or received. For details, see “GPRS
technical data” on page 52.