Please enable JavaScript.
Coggle requires JavaScript to display documents.
Mobile Computing (1st Generation (Technology (AMPS (Advanced Mobile Phone…
Mobile Computing
1st Generation
Introduced in 1980s
Commercialized first in USA
Technology
AMPS (Advanced Mobile Phone System), NMT, TACS
Access system
FDMA
Switching
Circuit
3rd Generation
Introduced in 2001
Commercialized first in Japan
Technology
IMT2000, WCDMA
Access system
CDMA
Switching
Packet
2nd Generation
Introduced in 1993
Commercialized first in Finland
Technology
IS-95, GSM
Access system
TDMA, CDMA
Switching
Circuit
4th Generation
Introduced in 2009
Commercialized first in Korea
Technology
LTE, WiMAX
Access system
CDMA
Switching
Packet
5th Generation