CDMA (Code Division Multiple Access) Evolution Of Cellular Systems The advent of Cellular communications began in 1940s known as MTS(Mobile Telephone Systems) There has been…

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1. Enabling(IP(Mobility(with( Iden3fier6Locator(Network( Protocol((ILNP)( ! School!of!Computer!Science,!University!of!St!Andrews! ! 1!Ditchaphong!Phoomikia?sak! Ditchaphong(Phoomikia@sak(…

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Where are we? Where do we Want to go? 3G vs 4G 4G Process Challenges Hyper Lan- set of wireless Lan 1G-First Generation Speech 2G-Second Generation SMS , MMS CDMA , GPRS…

1. Byharjeevan singhclass -10th_E 2. 1st GENERATION:Introduced in 1980Analog cellular mobile,Data speed 2.4kbps1G mobiles- AMPS,NMT,TACSUses FDMA technique with30KHz…