0G (Mobile Radio Telephone System)
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Pre-cellular system
Half-Duplex communication
Use in vehicles
Only 25 channels available
20Km range
0G (Mobile Radio Telephone System)
1G
• First-generation wireless
communication technology standards
• Originated in the 80’s
• Analog signal (AMPS)
• Low reach
• Low bit-rate (9600 bps)
• High interference
• Low traffic capacity
• “Brick” Phones - 5 kg weight, battery
last 30 minutes of conversation
1G
1G
2G
• First great update on mobile
communication
• Introduced in the 90’s
• Fully digital network
• GSM – first standard
• Better voice encoding
• Bit rate: 38 kbps
• Less battery power necessary
• Lower power emissions
• Digital data services
• More signal security
• More calls on the same network
2G
Intermediate technologies: 2G3G
Newer and better bandwidth technologies
2.5G
• GPRS - Newer and better
bandwidth technology
• Bit-rate: 114 kbps
2.75G
• EDGE technology
• Bit rate: 236,8 kbps
3G
• WCDMA technology (384kbps)
• Wide brand wireless network
• Packet switching
• Global roaming
• Fast communication, internet
access, mobile TV, gaming…
4G
• HSPA+ (42 Mbps/11,4 Mbps) - in
theory is possible 168mbps
• Much faster receive/send speed and
capacity
• Comprehensive and secure all-IP
based solution:
--> IP telephony
--> Ultra-broadbrand internet access
--> Gaming services
--> HDTV streamed multimedia
Intermediate technologies: 3G4G
3.5G
• HSDPA technology (7.2 Mbps
download / 384 kbps upload)
3.75G
• HSPA technology (14,4 Mbps / 5,8
Mbps)