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1
SERVICES
APPLICATIONS
GPRS
2
Modes of GPRS
- Application mode
- Tunneling mode
GPRS Terminals
- Class A
- Class B
- Class C
GPRS device type
Network service in GPRS
- PTP
- PTM
Data services in GPRS
- SMS
- WAP
- MMS
Applications of GPRS
A wide range of corporate and consumer
applications are enabled by GPRS services. A user is
likely to use either of two modes of GPRS network.
Application Mode
Tunneling Mode
3
In this mode user will be using the GPRS mode phone to
access the applications running on the phone itself.
The phone acts as the end user device.
All GPRS phones have WAP browser as an embedded
application. This browser allows browsing of WAP sites.
The device operating executed environments supported are
Symbian, J2ME.
Application can be developed in C/C++ or java.
4
Tunneling mode is for mobile computing where the user will
use the GPRS interface as an access to the network.
The end user device will be a large footprint device like
laptop computer or small footprint device like PDA.
The mobile phone will be connected to the device and used
as modem or cable to access the wireless data network.
5
66
GPRS terminal can be one of the three classes
7
GPRS TERMINALS
CLASS A
CLASS B
CLASS C
8
CLASS A
Supports GPRS data and other GSM services simultaneously.
Simultaneous attach, activation, monitor and traffic.
Can make or receive calls on two services simultaneously.
SMS is supported. SMS can be received while call or data
service in progress.
9
Can support only one of these services at any time.
Can support simultaneous attach, activation, and
monitoring but not simultaneous traffic.
Users can make or receive calls on either a packet or a
switched call type sequentially but not simultaneously.
SMS is supported
CLASS B
Supports only non-simultaneous attach.
The user must select which service to connect to.
Therefore, a class c terminal can make or receive calls
from only the manually selected network service.
SMS is optional when data service enable .
10
CLASS C
11
MODE ATTACHED TO SUPPORT
Class A Both GPRS and GSM
services
Simultaneous
attach + monitor + traffic
Class B
Both GPRS and GSM
services
Only operate one set of
service at a time
Class C
Either GPRS or GSM
services
Alternate use only
12
DEVICE TYPE
Numeric keypad and
small display
Color display,
with camera
built-in voice, icon drive
screen, built-in keyboard
Bearer services of GPRS offer end-to-end packet
switched data transfer.
GPRS supports two different kinds of data transport
services:
13
BEARER services in GPRS
Point - To - Point service (PTP)
Point - To - Multipoint service (PTM)
14
GPRS
SERVICE
PTP PTM
PTM-M PTM-G
15
Point-To-Point (PTP) services
- transfer of data packets between two user
16
Point-To-Multipoint (PTM) services
- transfer of data packets from single user to multi- user
17
PTM - M PTM - G
PTM- M : Multipoint Multicast service to all subscribers in
a given area
PTM- G : Multipoint Group service to pre- determined
group that may be dispersed over a geographic area.
SMS
WAP
MMS
18
DATA SERVICE IN GPRS
GPRS offered the following data services
19
Short message service was originally designed for GSM
network.
GPRS will continue to support SMS as a bearer.
If SMS over GPRS, it is achieved 30 message per minute.
In GSM only 6 to 10 messages achieved.
20
MMS is Multimedia Messaging Service.
This is the next generation messaging service.
MMS supports multimedia messages.
MMS uses WAP and SMS .
Video, audio, picture or clips can be sent through MMS.
21
WAP is Wireless Application Protocol.
It is data bearer service over HTTP protocol.
WAP uses WML and WAP gateway.
WAP
22
23
Chat
Multimedia services
Virtual Private Network (VPN)
Personal information management
Job sheet dispatch
Unified messaging
Vehicles positioning
Location- based services and telematics
24
Vehicles Positioning
25

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GPRS Technology

  • 2. 2 Modes of GPRS - Application mode - Tunneling mode GPRS Terminals - Class A - Class B - Class C GPRS device type Network service in GPRS - PTP - PTM Data services in GPRS - SMS - WAP - MMS Applications of GPRS
  • 3. A wide range of corporate and consumer applications are enabled by GPRS services. A user is likely to use either of two modes of GPRS network. Application Mode Tunneling Mode 3
  • 4. In this mode user will be using the GPRS mode phone to access the applications running on the phone itself. The phone acts as the end user device. All GPRS phones have WAP browser as an embedded application. This browser allows browsing of WAP sites. The device operating executed environments supported are Symbian, J2ME. Application can be developed in C/C++ or java. 4
  • 5. Tunneling mode is for mobile computing where the user will use the GPRS interface as an access to the network. The end user device will be a large footprint device like laptop computer or small footprint device like PDA. The mobile phone will be connected to the device and used as modem or cable to access the wireless data network. 5
  • 6. 66
  • 7. GPRS terminal can be one of the three classes 7 GPRS TERMINALS CLASS A CLASS B CLASS C
  • 8. 8 CLASS A Supports GPRS data and other GSM services simultaneously. Simultaneous attach, activation, monitor and traffic. Can make or receive calls on two services simultaneously. SMS is supported. SMS can be received while call or data service in progress.
  • 9. 9 Can support only one of these services at any time. Can support simultaneous attach, activation, and monitoring but not simultaneous traffic. Users can make or receive calls on either a packet or a switched call type sequentially but not simultaneously. SMS is supported CLASS B
  • 10. Supports only non-simultaneous attach. The user must select which service to connect to. Therefore, a class c terminal can make or receive calls from only the manually selected network service. SMS is optional when data service enable . 10 CLASS C
  • 11. 11 MODE ATTACHED TO SUPPORT Class A Both GPRS and GSM services Simultaneous attach + monitor + traffic Class B Both GPRS and GSM services Only operate one set of service at a time Class C Either GPRS or GSM services Alternate use only
  • 12. 12 DEVICE TYPE Numeric keypad and small display Color display, with camera built-in voice, icon drive screen, built-in keyboard
  • 13. Bearer services of GPRS offer end-to-end packet switched data transfer. GPRS supports two different kinds of data transport services: 13 BEARER services in GPRS Point - To - Point service (PTP) Point - To - Multipoint service (PTM)
  • 15. 15 Point-To-Point (PTP) services - transfer of data packets between two user
  • 16. 16 Point-To-Multipoint (PTM) services - transfer of data packets from single user to multi- user
  • 17. 17 PTM - M PTM - G PTM- M : Multipoint Multicast service to all subscribers in a given area PTM- G : Multipoint Group service to pre- determined group that may be dispersed over a geographic area.
  • 18. SMS WAP MMS 18 DATA SERVICE IN GPRS GPRS offered the following data services
  • 19. 19 Short message service was originally designed for GSM network. GPRS will continue to support SMS as a bearer. If SMS over GPRS, it is achieved 30 message per minute. In GSM only 6 to 10 messages achieved.
  • 20. 20 MMS is Multimedia Messaging Service. This is the next generation messaging service. MMS supports multimedia messages. MMS uses WAP and SMS . Video, audio, picture or clips can be sent through MMS.
  • 21. 21 WAP is Wireless Application Protocol. It is data bearer service over HTTP protocol. WAP uses WML and WAP gateway. WAP
  • 22. 22
  • 23. 23 Chat Multimedia services Virtual Private Network (VPN) Personal information management Job sheet dispatch Unified messaging Vehicles positioning Location- based services and telematics
  • 25. 25

Editor's Notes

  1. 1