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Mobile Computing (1st Generation (It uses Analog Signal, Speed upto 2.4…
Mobile Computing
1st Generation
It uses Analog Signal
Speed upto 2.4 kbps
Poor voice Quality
Size of phone is larger
No data Security
Limited Battery Life
Introduce in US in early 1980s
2nd Generation
It uses digital Signals
GSM Technology
Data Speeds upto 64 kbps
Better Quality than 1G
Bandwidth of 30-200 KHz
Introduce in Finland in 1991
3rd Generation
Data Speeds of 144 kbps of 2 Mbps
High speed web browsing
It began in 2000
Running web based application like video multimedia,emails,etc
Fast and easy transfer of audio and video files
3D Gaming
4th Generation
It was introduced in 2011
Speed of 1 Mbps to 1 Gbps
Mobile web access
High definition mobile TV
Cloud Computing
IP telephony
5th Generation
Data rate is greater than 1 Gbps
Frequency 3-300GHz
High Security
Expanded Multimedia service
1000x bandwidth per unit area
90% reduction in network energy usage