Key Feature of Second Generation Technology
- Digital systems
- Utilize/extend “Intelligent Network” concepts
- Leverage technology to increase capacity
- „ Speech compression; digital signal processing
- Add new services
- Improve fraud prevention
- There are a wide diversity of 2G systems
- IS-54/ IS-136 North American TDMA; PDC (Japan)
- DECT and PHS
- iDEN
- GSM
- „IS-95 CDMA (cdmaOne)
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