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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. |
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services paralleling that of mobile communications. |
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| Information about the identity of the phone and the | ||
We can now see that the demand for | 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 |
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information is stored both in the phone and in the | |||||
entertainment services, and GPRS is important as |
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mobile network, so that each phone is identified | |||||
a stepping stone when we enter the 3G network |
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and “visible” to the system. | |||||
era. GPRS has allowed innovative services to be |
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created and granted access to new and previously | Using GPRS with W950 has many advantages: | ||||
inaccessible market segments, which will be |
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further developed with 3G. |
| • | Constant connection |
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| 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 |
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| 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 |
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| connections feature. |
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benefits. |
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| • | High speed |
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| Gain access automatically to increased band- | |
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| width when downloading large files such as | ||
With GPRS, W950 sends data in “packets” at a |
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very high speed. The phone remains connected to |
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the network at all times, using transmission | • | Cost efficient |
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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. |
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the duration of a data session, W950 sends and | • | Email over GPRS |
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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 | |||
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| then sent at high speed). | ||
always online, using transmission capacity only |
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Symbian OS operating system |
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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.
45 | June 2006 |