its useful presentation

1. 4G
NETWORK
Presented By,
PRIYANKA SURANA. A
KALAISELVI. M

2. 1G
2G
3G
4G Mobile technology
The mobile race to innovation.

3. INTRODUCTION
• 4G is the fourth generation of cell phone
mobile communications standards.
• 4G will allow for speeds of up to
100Mbps.
• 4G promises voice, data and high-quality
multimedia in real-time, all the time and
anywhere.
• A 4G system provides mobile ultra-
broadband Internet access

4. ABSTRACT
• Mobile devices are getting smaller, lighter, and
more powerful.
• They have bigger screens and longer battery life
• Bandwidth will always be the limiting factor in
wired and wireless.
• The short fall of 3G networks is clear, it’s just not
fast enough.
• some countries have even chosen to bypass 3G
and head straight to 4G, a method which has its
advantages, and its disadvantages.

5. THE G’S
• 1G Technology is a form of analog
communication that transmits only voice
• 2G Technology enables voice communication
and text transmission
• 3G Technology enables video conferencing
• 4G enables even higher data rates and high
transmission

6. 1G
• 1G was an analog system, and was developed
in 1970’s
• Invention of the microprocessor, and the
digital transform of the control link between
the phone and the cell site.
• AMPS was first launched in a 1G mobile
system.
• Based on FDMA, it allows users to make voice
calls.

7. 2G
• 2G phones using GSM
• Based on CDMA
• Used in the early 1990s.
• GSM provides
– Voice
– limited data services
– digital modulation for improved audio quality.
• Improved in
– transmission quality
– system capacity
– Coverage
• Radio access network

8. 3G
• Over 3G phones, you can watch streaming
video or have video telephony.
• Support for both packet-switched and circuit-
switched data transmission.
• Data rates up to 2 Mbps
• High spectrum efficiency.
• Enhanced data GSM environment (EDGE)
• Freedom of Multimedia Access (FOMA)
• High-speed packet transmission

9. 4G
• Higher data transmission rate.
• 100 megabits per second on the move and
1000gigbits per second stationary
• 4G based on OFDM - Orthogonal Frequency
Division Multiplexing
• High spectral efficiency

10. •Virtual Presence: 4G system gives mobile users a
"virtual presence”.
•Virtual navigation: a remote database contains the
graphical representation of streets, buildings, and
physical characteristics of a large metropolis.
•Tele-geoprocessing: Queries dependent on location
information of several users, in addition to temporal
aspects have many applications.
•Crisis-management applications: Crisis management is
the art of making decisions to head off or mitigate the
effects of such an event, often while the event itself is
unfolding.
APPLICATIONS

11. Advantages
• Speeds up to 50x faster than 3G networks
• Voice over Internet Protocol (VoIP)
• Higher Quality of Service (QoS)
• Builds off of the existing 3G
infrastructure, thus making upgrading cheap
for service providers
• Multiple devices will have the ability to run off
of 4G network

12. Disadvantages
• Jamming and spoofing can interfere with people's
use of networks
• Theft of Service (ToS) and Denial of Service (DoS)
attacks are a large possibility
• All 4G networks will share the same
infrastructure; if one goes down, they all go down
• Spam over Internet Telephony (SPIT); essentially
being spammed through VoIP
• WiFi, hotspots, and WLANs are easy targets for
interception of data

13. Conclusion
• In conclusion fourth generation of mobile
technologies is well on its way.
• 4G technologies are going to once again revolutionize
the way the world communicates, much as each other
generation before revolutionized it in it’s own way.
• However, the market for mobile technologies is
forever evolving.
• As technology gets better and more efficient, the
demand and dependency on these technologies also
grows.
• This demand on network technologies will eventually
bring a need for faster and more efficient
technologies once again.

14. Thank u