White Paper W950

Preliminary version - PA4

GPRS

The introduction of GPRS was a big step in the

when data is sent or received. W950 is compatible

evolution of the GSM networks for enhancing the

with GPRS R99.The GSM system limits the ability

capabilities of data communication. Data traffic has

to use all eight time slots, so W950 uses up to four

increased (over both wired and wireless networks),

time slots for receiving data, and up to one slot for

with the growth in demand for Internet access and

transmitting.

 

services paralleling that of mobile communications.

 

 

 

 

 

 

Information about the identity of the phone and the

We can now see that the demand for high-speed

characteristics of the connection are described in

Internet access is the key driver for coming

the PDP (Packet Data Protocol) context. This

generations of wireless multimedia and

 

 

y

information is stored both in the phone and in the

entertainment services, and GPRS is important as

 

l

mobile network, so that each phone is identified

a stepping stone when we enter the 3G network

 

On

 

and “visible” to the system.

era. GPRS has allowed innovative services to be

 

 

 

created and granted access to new and previously

Using GPRS with W950 has many advantages:

inaccessible market segments, which will be

 

 

 

further developed with 3G.

 

•

Constant connection

 

 

 

 

 

Keep an open connection to an email system or

GPRS is able to take advantage of the global

 

the company network, staying online to receive

coverage of existing GSM networks. Applications

 

s

 

 

and send messages at all times. All connection

developed for GPRS have been deployed on a

 

settingsecan be managed by using the data

large scale and have thus reaped the associated

U

 

 

connections feature.

 

benefits.

 

 

•

High speed

 

 

 

ternal

 

Gain access automatically to increased band-

 

 

 

width when downloading large files such as

With GPRS, W950 sends data in “packets” at a

 

very high speed. The phone remains connected to

 

images.

 

the network at all times, using transmission

•

Cost efficient

 

capacity only when data is sent or received.

 

Use transmission capacity only when needed,

Instead of occupying an entire voice channel for

 

thus reducing costs.

 

the duration of a data session, W950 sends and

•

Email over GPRS

 

receives data in small packets, as needed, much

 

Remain connected to an email system while

like IP on the Internet. Thanks to this, the phone is

 

reading and preparing messages, (which are

 

n

 

then sent at high speed).

always online, using transmission capacity only

 

or

I

 

 

 

 

 

 

 

 

 

Symbian OS operating system

 

F

 

 

 

 

 

Symbian OS is the open operating system licensed by the world's leading mobile phone manufacturers. It is designed for the specific requirements of advanced 2G, 2.5G and 3G mobile phones. Symbian OS combines the power of an integrated applications environment with mobile telephony, bringing advanced data services to the mass market.

Symbian OS supports a wide range of device categories with several user interfaces, this includes UIQ, which is the software platform used by W950.

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June 2006