BY Ekta singh

6. Speeds reach up to 40 Mbps. Enhanced multimedia, streaming video, access and portability are increased still further. Devices are equipped for world-wide roaming. 2006+ 4G Enhanced multimedia and streaming video capabilities are increased. Standards are created to allow universal access and portability across different device types (Telephones, PDA's, etc.) 2004-2005 3G The Internet turns the focus towards data transmission. Enhanced multimedia and streaming video are now possible. Phones support limited web browsing. 2001-2004 2.5G Increased performance achieved by allowing multiple users on a single channel. More and more cellular phones are used for data as well as voice. 90's to 2000 2G Wireless phones (cellular) are introduced, primarily for voice only. 70's to 80's 1G Cool New Features Dates Speeds reach up to 40 Mbps. Enhanced multimedia, streaming video, access and portability are increased still further. Devices are equipped for world-wide roaming. 2006+ 4G Enhanced multimedia and streaming video capabilities are increased. Standards are created to allow universal access and portability across different device types (Telephones, PDA's, etc.) 2004-2005 3G The Internet turns the focus towards data transmission. Enhanced multimedia and streaming video are now possible. Phones support limited web browsing. 2001-2004 2.5G Increased performance achieved by allowing multiple users on a single channel. More and more cellular phones are used for data as well as voice . 90's to 2000 2G Wireless phones (cellular) are introduced, primarily for voice only. 70's to 80's 1G Cool New Features Dates

15. Comparison Between 3G and 4G OFDM and MC-CDMA W-CDMA Access technologies All digital with pocketsize voice Circuit and packet Switching Design Basis 100MHz (or more) 5-20 MHz Bandwidth Higher frequency band(2-8 GHz) Dependent on country Frequency Band 20 to 100 Mbps 384 kbps to 2Mbps speed 4G 3G Major requirement

17. Thanks