1. 3G/4G MOBILE SERVICES

2. SYNOPSIS Why 3G? Types of internet connectivity 3G data rate
3G services in Asia
Evolution of Mobile Systems to 3G
3G standards
W-CDMA
Impact on existing network
CDMA2000 evolution to 3G
3.5G
3G applications

3. 3 G 3G is the next generation of mobile communications systems.
It enhances the services such as multimedia, high speed mobile broadband, internet access with the ability to view video footage on your mobile handset.
With a 3G phone and access to the 3G network you can make video calls, watch live TV, access the high speed internet, receive s and download music tracks, as well as the usual voice call and messaging services found on a mobile phone, like person to person video, live streaming, downloadable video of entertainment, news, current affairs and sport content and video messaging

4. 3G CAPABILITIES High speed data transmission Improved voice quality
Greater capacity
Multiple simultaneous services
Global roaming across network
Improved security
Service flexibility

5. Why 3G? Higher bandwidth enables a range of new applications!!
For the consumer
Video streaming, TV broadcast
Video calls, video clips – news, music, sports
Enhanced gaming, chat, location services…
For business
High speed teleworking / VPN access
Sales force automation
Video conferencing
Real-time financial information

6. TYPES OF INTERNET CONNECTIVITY
Global systems for mobile communication (GSM)
High speed circuit switched data (HSCSD)
General packet radio services (GPRS)
Third generation (3G) mobile
Enhanced data GSM environment (EDGE)
Public access WLAN
Linked public access WLANs

7. DATA RATE Stationary user:2 megabits per second.
Moving vehicle :348 kilobits per second.
Ideal conditions
Download : 14.4 megabits per second.
Upload : 5.8 megabits per second.

8. 3G SERVICES IN ASIA CDMA (1xEV-DO) Korea: SKT, KTF Japan: AU (KDDI)
WCDMA / UMTS
Japan: NTT DoCoMo, Vodafone KK
Australia: 3 Hutchinson
Hong Kong: 3 Hutchinson

9. cdmaOne
GSM
TDMA 2G
PDC
CDMA x
First Step into 3G
GPRS
90%
10%
EDGE
WCDMA
CDMA x EV/DV
3G phase 1
Evolved 3G
3GPP Core
Network
CDMA x EV/DO
HSDPA
Expected market share
Evolution
Evolution of Mobile Systems to 3G - drivers are capacity, data speeds, lower cost of delivery for revenue growth

10. 3G STANDARDS
3G Standard is created by ITU-T and is called as IMT-2000.
The aim of IMT-2000 is to harmonize worldwide 3G systems to provide Global Roaming.

11. W-CDMA makes possible a world of mobile multimedia

12. IMPACT ON EXISTING NETWORK

13. CDMA2000 EVOLUTION TO 3G IS-95B CDMA IS-95A CDMA2000 1xEV-DO 1xEV-DV
CDMA2000 1xEV-DO: Evolved Data Optimised
Third phase in CDMA2000 evolution
Standardised version of Qualcomm High Data Rate (HDR)
Adds TDMA components beneath code components
Good for highly asymmetric high speed data apps
Speeds to 2Mbps +, classed as a “3G” system
Use new or existing spectrum
IS-95B
Uses multiple code channels
Data rates up to 64kbps
Many operators gone direct to 1xRTT
1xRTT
CDMA2000 1xRTT: single carrier RTT
First phase in CDMA2000 evolution
Easy co-existence with IS-95A air interface
Release 0 - max 144 kbps
Release A – max 384 kbps
Same core network as IS-95
CDMA IS-95A
IS-95A
14.4 kbps
Core network re-used in CDMA2000
1xEV-DV
CDMA2000
3xRTT
CDMA2000 1x Evolved DV
Fourth phase in CDMA2000 evolution
Still under development
Speeds to 5Mbps+ (more than 3xRTT!)
Possible end game.

14. Backward compatible with CDMA 2000.
CDMA 1xEV-DV
Backward compatible with CDMA 2000.
EV-DV can be easily extended to operate in 3x mode under the framework of current system.
Forward peak data rate : Mbps.
Reverse peak data rate: kbps.
Addition of three new channels to f/w link and reverse link for packet data operation and its support.
Adaptive modulation and coding : QPSK, 8- PSK, 16-QAM
Variable frame duration
Mobile station can select one of N base stations.
DTX transmission supported for saving battery life.

15. 3.5G
3.5G or HSDPA (High Speed Downlink Packet Access) is an enhanced version and the next intermediate generation of 3G UMTS.
It comprises the technologies that improve the Air Interface and increase the spectral efficiency, to support data rates of the order of 30 Mbps.
It introduces many new features that will enhance the UMTS technology in future.
These include:
Adaptive Modulation and Coding
Fast Scheduling
Backward compatibility with 3G
Enhanced Air interface

16. 3G APPLICATIONS Wireless Internet Audio on demand Electronic postcards
Video conferencing
Secure mobile commerce transactions
Traffic and traveling information - location specific

17. 4G – MOBILE SERVICES

18. Synopsis Introduction Impact of 3G and 4G 4G Networks
Difference between 3G and 4G
Advantage
Disadvantage
Future Outlook
Conclusion

19. Why Move Towards 4G? Meet expectations. Global mobility
Need a new integrated network
More efficient modulation schemes

20. Introduction High-Speed data access High-quality streaming video
Combination of Wi-Fi and Wi-Max
SDR, OFDM, OFDMA and MIMO

21. FEATURES 4G: Anytime, Anywhere Connection
Also known as ‘Mobile Broadband everywhere’
‘MAGIC’
Mobile Multimedia Communication
Anywhere, Anytime with Anyone
Global Mobility Support
Integrated Wireless Solution
Customized Personal Service
According to 4G Mobile Forum, by 2008 over $400 billion would be invested in 4G mobile projects.
In India, communication Minister Mr. Dayanidhi Maran, has announced a national centre of excellence to work in 4G.

22. 2000 times faster than mobile data rates
4G: DATA RATE FACTS
Transmission at 20 Mbps
2000 times faster than mobile data rates
10 times faster than top transmission rates planned in final build out of 3G broadband mobile
10-20 times faster than standard ADSL services.
Companies developing 4G technology
Cellular phone companies: Alcatel, Nortel, Motorola,
IT Companies: Hughes,HP,LG Electronics

23. Impacts of 3G and 4G Data Speed – 70 mbps
Starting to invest serious time
Wireless technologies

24. Comparison between 3G & 4G
Attribute 3G 4G
Major Characteristic
Predominantly voice- data as add-on
Converged data and VoIP
Network Architecture
Wide area Cell based
Hybrid – integration of Wireless Lan (WiFi), Blue Tooth, Wide Area
Frequency Band
GHz
2 – 8 GHz
Component Design
Optimized antenna; multi-band adapters
Smart antennas; SW multi-band; wideband radios
Bandwidth
5 – 20 MHz
100+ MHz
Data Rate
385 Kbps - 2 Mbps
20 – 100 Mbps

25. Comparison between 3G & 4G
Attribute 3G 4G
Access
WCDMA/CDMA2000
MC-CDMA or OFDM
Forward Error Correction
Convolution code 1/2, 1/3; turbo
Concatenated Coding
Switching
Circuit/Packet
Packet
Mobile top Speed
200 kmph IP
Multiple versions
All IP (IPv6.0)
Operational
~2003
~2010

26. Advantages
MAGIC
Affordable cost

27. Disadvantages Battery usage is more Hard to implement
Need complicated hardware

28. Future Outlook
4G is coming quicker
Wireless is cheaper

29. Conclusion High Speed, Capacity, low cost per bit
Single worldwide cellular network

30. THANK “U”