This is a video on 4g technology and how it evolved in few decades. Have a look

1. Technical ppt--
4G Technology
St. Andrews Institute of Technology and
Management
Submitted by:-
Pushkar
Rollno-163044

17. Key 3G and 4G Parameters
Attributes 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 (Wi-Fi),
Blue Tooth, Wide Area
Frequency Band 1.6 - 2.5 GHz 2 – 8 GHz
Bandwidth 5 – 20 MHz 100+ MHz
Data Rate 385 Kbps - 2 Mbps 20 – 100 Mbps
Access WCDMA/CDMA2000 MC-CDMA or OFDM
Switching Circuit/Packet Packet
IP Multiple versions All IP (IPv6.0)
Operational ~2003 ~2010

18. Achieved Till Now

21. Conclusion
Mobile Intelligent Internet and multi media
applications
Seamless Roaming, substantially high and selectable
user bandwidth, customized QoS, Intelligent and
responsive user interface
Mobile IP, Radio Routers, smart Antennas
Continued advances and challenges from 1G -> 4G
 Modulation techniques, transreceiver advances,
 fast manipulations, user interfaces, IP tunelling
and firewalls
 Spectrum usage, regulatory decisions, “one”
standard, authentication and security, multi
disciplinary co-operation
 IP + WPAN + WLAN + WMAN + WWAN = 4G