15-06-2012, 03:11 PM
Smart Wireless Engineering Education Program (SWEEP)
Smart Wireless Engineering Education Program .pptx (Size: 3.31 MB / Downloads: 57)
Analog Mobile Phone System
Nordic Mobile Telephone System (Sweden, Finland, Denmark & Norway) (450Mhz & 900Mhz)
Advanced Mobile Phone System (800Mhz)
Total Access Communication System (900Mhz)
Other considerations
Pan European
Good Speech Quality
Efficient use of radio frequencies
High capacity
Compatible with ISDN (Integrated Services Digital Network)
Compatible with other data communication specifications
Maintain good security for subscriber and transmitted info
GSM MoU (Memorandum of Understanding)
Was set-up in 1987, comprising of licensed mobile operator and national regulatory authorities throughout western Europe.
The GSM MoU works in a number of areas:
- Roaming and Charging Policy
- Free circulation of MSs
- Type approval of MSs(MoU Type Approval Advisory Board)
- Security Administration
Popularly known as the GSMWorld Association
Advantages of GSM
Due to the ISDN compatibility, new services are offered compared to analogue systems
International roaming is technically possible with all countries concerned
The large market toughens the competition and lowers the prices for both investment and usage