Evolution of WIRELESS NETWORKS

EVOLUTION
…

1G

Year: Early 80s
Standards: AMPS, TACS
Technology: Analog
Services: Voice, Pagers
Data Rates: -

2G , 2.5G

Year: 1991-92
Standards: GSM, GPRS, EDGE
Technology: Digital
Services: Voice, Data, SMS
Data Rates: 80-100 Kbps, 473 Kbps

3G, 3.5 G

Year: Early 2001
Standards: UMTS, HSPA
Technology: Digital
Services: Voice, High Speed Data,
SMS, Video
Data Rates: 2Mbps , 21 Mbps, 42 Mbps

4G

Year: Early 2010
Standards: LTE, LTE-A
Technology: Digital
Services: Voice, SMS, Mobile
Broadband, HD Video streaming
Data Rates: 100-280 Mbps