Transcript GPRS

MISY
3312
GPRS
FARAH ALMANGOUR
RAND ALNAIM
201000207
201000006
Section:
202
OUTLINE
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Introduction
History
Why GPRS is important
Main features
Cost
Categories
Advantages/Disadvantages
GPRS Vs. GSM
GPRS Vs. EDGE
Network Protocol Used
Security
The Network
Conclusion
INTRODUCTION
Think for a moment what would life be like if you had to
live in the 15th century?
How would you go from one city to another?
Will you find an airplane?
Or would you go by train?
Or you would walk or ride a camel or a horse?
How are you going to send a message?
Texting? Sending an email?
Using SMS or MMS?
HISTORY
• Since 1999 the GPRS was one of the first technologies that
brought wireless Internet to cell.
• The service started to become available in 2001.
• GPRS uses packet switching to handle data efficiently.
• The service breaks the data into small bursts.
• Add more information into a given amount of bandwidth.
• Users only pay for the bursts instead of a steady stream.
• Data transmission speed ran around 28 kilobytes per
second, but GPRS phones could surf the web at 60
kilobytes per second.
WHY GPRS IS IMPORTANT?
• Allows data transmission speeds up to 100 Kbps
• A packet based
• Supports the world’s most important Internet
communications protocols.
• Operate at a much higher speed than current networks
should provide a huge advantage.
• Provides a seamless and instant connection from a mobile
PC to the Internet allowing all existing Internet applications
such as web browsing and email.
MAIN FEATURES
Picture
Videos
SMS
connect
directly
to the
Internet
supports a
data
transmission
up to 13.4 Kb
per channel
operating
Internetbased
applications
instant
messages
COST
• Charged on exactly how much data is being sent and
received.
• Users of non-GPRS can be charged even if their phone is in
an idle state
• GPRS will only be charged if data is actually being
transferred.
CATEGORIES
Class A
Sends and
receive data at
the same time
and also have a
GPRS and GSM
modes active
simultaneously.
Class B
Send and
receive data
and voice
simultaneously.
Attached to
GPRS and GSM
modes services
that may be
used only one
service at a
time.
Class C
Can only have
either GPRS or
GSM mode
active at one
per time, which
the user needs
to switch
manually
between them.
ADVANTAGES
1. Constant connection to the Internet.
2. Mobility, provide the user wireless access to the Internet.
3. Simultaneous use, allows the user to send or receive
voice calls at the same time when they’re browsing the
Internet.
4. Speed, transfer data from 9.6 kilobytes per second up to
114 kilobytes per second.
5. Cost, allows the user to send longer messages for
cheaper chargers
DISADVANTAGES
1. Speed, GPRS technology has its limitation.
2. Reliability, happens when a lot of people talk on their
cellphones in the same area and at the same time
3. Distance factors, happens according to the distance
factor involves in the GPRS technology.
GPRS VS. GSM
GPRS
GSM
speed of a wireless
connection
speed of a dialup
connection
process the same AT
commands with higher
amount of messages
programmed to support
the standard set of AT
commands
process more than 30
messages per minute
process around 6 or 10
messages per minute
GPRS VS. EDGE
GPRS
EDGE
2G
2.5G
High speed
Higher speed
mobile data service
digital mobile phone
technology
permits both of 2G and 3G
communication system
permits both TDMA and
GSM carries
NETWORK PROTOCOL USED
• (SNDCP), offers different functions such as segmentation,
compression and multiplexing.
• (BSSGP), process routing and quality of service information for
the base station system.
• (LLC), responsible for assuring the reliable transfer of any user
data through wireless network.
• (GMM), operates in the signaling plane of GPRS and able to
handle mobility problems.
• (GTP), responsible for tunneling the protocol data units across
the IP backbone through adding routing information
• Network Service, responsible of managing the convergence
sub-layer.
• (BSSAP+), responsible of managing paging for data and voice
connections and that optimizes paging for the mobile
subscribers.
SECURITY
The SGSN complete chipper and authentication
setting procedures according to the same keys, criteria and
algorithms that exist in GSM. The GPRS use a chippering
algorithm optimized for the packet data transmission.
THE NETWORK
SGSN
• Transfers packets to mobile station (MSs).
• Can notice a new GPRS MSs.
• Able to complete the mobility management tasks.
• Linked to the base station subsystem through the
Frame Relay linking to the PCU in the BSC.
GGSN
• Used like an interface to the external IP networks.
• Keeps the routing information.
• Has address mapping and network and subscriber
screening.
• A single or multiple GGSNs can be used to support
many SGSNs.
CONCLUSION
“The science of today is the technology of tomorrow.”
(Technology quotes, 2012).
Who could imagine that one day we could browse the
Internet, send emails and do different things with our
own mobiles, through only a press of button?
REFERENCES
• What is GPRS ? (2012). Retrieved De27). Difference cember 10, 2012, from
Cellular-news:http://www.differencebetween.net/technology/differencebetween-edge-and-gprs/
• Bolton, N. (2012). What Are the Advantages of GPRS? Retrieved December 6,
2012, from eHow: http://www.ehow.com/list_7628002_advantages-gprs.html
• Khan, S. (2012). Define Gprs. Retrieved December 6, 2012, from eHow:
http://www.ehow.com/facts_5615163_define-gprs.html
• Lilley, S. (2012). How Does GPRS Work? Retrieved December 4, 2012, from
eHow: http://www.ehow.com/how-does_6166990_gprs-work_.html
• Polenin, M. (2012). The Disadvantages of GPRS. Retrieved December 6, 2012,
from eHow: http://www.ehow.com/list_7608529_disadvantages-gprs.html
• Sherman, F. (2012). The History of GPRS. Retrieved December 5, 2012, from
eHow: http://www.ehow.com/info_12154824_history-gprs.html
• Rademacher, L. (2012). Differences Between GPRS & GSM. Retrieved
December 7, 2012, from eHow:
http://www.ehow.com/list_6889485_differences-between-gprs-_amp_gsm.html
• Technology quotes. (2012). Retrieved 2012 йил 29-September from Think Exist:
http://thinkexist.com/quotations/technology/
THANK YOU