it gives info about the 4g technology as well as the previous technologies with disadvantages and what are the reasons new technologies are developed. best viewed with animation in office 10 or above

1. Welcome

2. Chameli Devi School Of
Engineering
4G Technology
Submitted By :Arvind Carpenter
Guided By :Mr. Romil Rawat
Submitted To :Ms. Madhu Sharma

3. CONTENTS
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Evolution from 1G to 4G
Introduction to 4G
Comparison Between 3G and 4G
Features of 4G
General 4G services and Application
Future Development
Advantages
Disadvantages
Conclusion

4. Evolution From 1G to 4G
1G
• Analog Communication
2G
3G
• Digital communication
Introduced
• Features included like live
tv, fast data transfer
4G
• Mobile Broadband, Magic

5. First Generation [1G]
 1G refers to the first-generation of
wireless telephone technology was
developed in 1970’s.
 1G had two major improvements:
 the invention of the
microprocessor
 the digital transform of the control
link between the phone and the
cell site.
 Analog signal

6. Second Generation [2G]
 Around 1980’s
 Better quality & capacity –
More people could use there
phones at the same time
 Digital Signals – consist of 0’s
& 1’s

8. Advantages of 2G
The digital voice encoding allows digital error
checking
 increase sound quality
 lowers the noise level
Going all-digital allowed for the introduction of
digital data transfer
 SMS –“short message service”
 E-mail

9. Disadvantages of 2G
Cell towers had a limited coverage area
 Jagged Decay curve
• Abrupt dropped calls
• Analog –gradual sound reduction
“Spotty” coverage

10. Third Generation [3G]
 Large capacity and broadband capabilities
 Allows the transmission of 384kbps for
mobile systems and up to 2Mbps
 Increased spectrum efficiency –5Mhz
 A greater number of users that can be
simultaneously supported by a radio
frequency bandwidth
 High data rates at lower incremental cost than
2G–Global roaming

11. Reasons for new Research
 High input fees for the 3G service licenses
 Inefficient to meet needs of future highperformance
 Multiple standards for 3G
 Require wider bandwidth
 Lack of coverage because it is still new
service

12. HERE
COMES
INTRODUCTION
TO
4G

13. 4G
SO
IS

14. 4G IS
GENERATION OF

15. 4G combines following :
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Faster and more reliable
100 Mb/s
Lower cost than previous generations
Multi-standard wireless system
Bluetooth, Wired, Wireless
Ad Hoc Networking
IPv6 Core
OFDM used instead of CDMA
Potentially IEEE standard 802.11n
Most information is proprietary

16. 4G Hardware
 Ultra Wide Band Networks :Ultra
Wideband technology, or UWB, is an
advanced transmission technology that
can be used in the implementation of a 4G
network.
 Smart Antennas :: Multiple “smart
antennas” can be employed to help find,
tune, and turn up signal information

17. Comparison Between G and 4G
Major requirement
driving architecture
3G (Including 2.5G,
Sub3G)
4G
Network Architecture
Wide area cell-based
Speeds
384 Kbps to 2 Mbps
Frequency Band
Bandwidth
Switching Design Basis
Dependent on country or
continent (1800‐2400 MHz)
5-20 MHz
Circuit and Packet
Access Technologies
W-CDMA, 1xRTT, Edge
Forward Error Correction
Convolutional rate 1/2, 1/3
Hybrid: Integration of
wireless LAN (WiFi,
Bluetooth) and wide area
20 to 100 Mbps in mobile
mode
Higher frequency bands (28 GHz)
100 MHz (or more)
All digital with packetized
voice
OFDM and MCCDMA (Multi Carrier CDMA)
Concatenated coding scheme

18. Major requireme
nt driving archite
cture
3G (Including 2.5
G, Sub3G)
4G
Component Design
Optimized antenna design,
multi-band adapters
Smarter Antennas, software
multiband and wideband
radios
IP
A number of air link protoc
ols, including IP 5.0
All IP (IPv6)
Standard
WCDMA, CDMA2000
Single Standard
Multiplexing
CDMA
CDMA
Core Network
Packet Network
Internet

19. Features of 4G Wireless Systems
Support interactive multimedia
User friendliness
High speed, high capacity and low cost per bit
Higher band widths
Terminal Heterogeneity
Network Heterogeneity

20. General 4G Services and Application
 Localized/Personalized Information
 Organizational services
 Communications services and application
 Entertainment services
 Mobile commerce (M-Commerce )

21. 4G in India
Bharti Airtel launched India's first 4G service,using
TD-LTE technology, in Kolkata on April 10, 2012.
Airtel 4G services are available in Kolkata, Delhi,
Bangalore, Pune and Chandigarh RIL is launching
4G services through its subsidiary, Jio Infocomm.
RIL 4G services are currently available only in
Jamnagar.

22. Thank
you