Brief details of 4-G Technology

1. 4-G TECHNOLOGY
Compiled and Presented by:
Shruti Dasgupta

2. CONTENT
1.
2.
3.
4.
5.
6.
What is 4-G
Definition
Need for 4-G
Comparison of 3-G and 4-G
Key Technology Areas
Application

3. WHAT IS 4G?
In telecommunications, 4G is the fourth
generation of cellular wireless standards.
 It is a successor to the 3G and 2G families of
standards.
 In 2009, the ITU-R organization specified the
IMT-Advanced (International Mobile
Telecommunications Advanced) requirements for
4G standards, setting peak speed requirements
for 4G service at 100 Mbit/s for high mobility
communication (such as from trains and cars)
and 1 Gbit/s for low mobility communication
(such as pedestrians and stationary users).


4. DEFINITION OF 4-G TECHNOLOGY

4G is not one defined technology or standard, but
rather a collection of technologies and protocols
aimed at creating fully packet-switched networks
optimized for data.

5. NEED FOR 4-G TECHNOLOGY
Lower cost to user than current 3-G Technology.
 Higher data rate than 3-G.
 Service and application ubiquity
 High degree of personalization and
synchronization between various user appliances.
 Higher capacity of network.
 Smooth handoff across heterogeneous networks .
 Seamless connectivity and global roaming across
multiple networks.
 Interoperability with existing wireless standards


6. COMPARISON BETWEEN 3-G AND 4G
Unlike the 3G networks which are a combination
of circuit switched and packet switched
networks, 4G will be based on packet switching
only. This will allow low-latency data
transmission.
 Leading U.S. Carrier 3G EVDO network
currently averages 400 to 700 Kbps with peak
rates up to 2 Mbps. International Carrier is
testing 4G communication at 100 Mbps while
moving, and 1 Gbps while stationary


7. Mbps
COMPARISON BETWEEN 3-G AND 4G
100
90
80
70
60
50
40
30
20
10
0
3G
4G

8. THE KEY 4-G TECHNOLOGIES ARE:
OFDM (Orthogonal Frequency Division
Multiplexing)
 MIMO (Multiple Input-multiple Output)
 SDR (Software Defined Ratio)


9. APPLICATIONS OF 4-G
Enhanced mobile gaming.
 Broadband Access to remote places.
 Creation Virtual Presence
 Creation Personal Media Repository


10. APPLICATIONS OF 4-G
Enhanced mobile gaming.
 Broadband Access to remote places.
 Creation Virtual Presence
 Creation Personal Media Repository
