4G Wireless Systems Full Seminar Report Download

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4G
What is fourth generation (4G) mobile systems?
Fourth generation mobile communications systems that are characterised by high-speed data rates at 20 to 100 Mbps, suitable for high-resolution movies and television, virtual . Initial deployments are anticipated in 2006-2010.
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 arena.
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
KEY TECHNOLOGY
WIMAX : WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACESS
 WIMAX IS BASSED ON OFDMA TECHNOLOGY
 OFDMA : ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACESS
 1 MILE MOBILE BROADBAND ACESS ALTERNATIVE TO CABLE OR DSL MODEM.
 IEEE802.16 a AND IEEE802.20 ARE THE WIMAX STANDARDS .
WIBRO : WIRELESS BRADBAND
 WIBRO IS A KOREAN TECHNOLOGY
 8.75 MHZ CHANNEL BANDWIDTH
 AROUND 30 MILES (50KM) IN FIXED STATION AND
3-10 MILES(15KM) FOR MOBILE STATION BROADBAND ACESS .
 IEEE 802.16 e AND IEEE802.22 ARE THE WIBRO
STANDARDS .