Maandag 18 april 2005. GSM : Global System for Mobile Communication Group Spécial Mobile (1982)
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Transcript of Maandag 18 april 2005. GSM : Global System for Mobile Communication Group Spécial Mobile (1982)
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Maandag 18 april 2005
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GSM :
Global System for Mobile Communication
Group Spécial Mobile (1982)
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1946 – Saint-Louis (Missouri, VS)
autotelefoniesysteem
1970 – Celstructuur
1980 – Eerste compacte toestellen
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1ste Generatie (1G)
Analoge systemen in de jaren ’80
2de Generatie (2G)
1986 – Digitale cellulaire netwerk
Max. 171,2 Kbits/sec
3de Generatie (3G)
2003 – UMTS
Max. 1920 kbits/sec
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Celgrootte: 10 m tot 35 km
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BTS of Base Transceiver Station
BSC of Base Station Controller
MSC of Mobile Switch Centre
HLR of Home Location Register
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Europa
900 Mhz of DCS900 of GSM900
1800 Mhz of DCS1800 of GSM1800
Verenigde Staten
1900 Mhz of PCS1900 of GSM1900
850 Mhz NIEUW !
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Toestellen
Single-band- 900 Mhz
Dual-Band
- 900 Mhz- 1800 Mhz
Tri-band- 900 Mhz- 1800 Mhz- 1900 Mhz
Quad-Band
- 850 Mhz- 900 Mhz- 1800 Mhz- 1900 Mhz
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Enhanced Full Rate Codec (EFR)
Hierdoor 13 kbits/sec ipv 64 kbits/sec
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Definitie
Soorten
National Roaming
International Roaming
Inter-standaard Roaming
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Beveiligen door
verschillende algoritmen voor …
- Authenticatie- Encryptie- Unieke sleutels
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SMS of Short Message Service
- berichtjes
- Max. 160 karakters
MMS of Multimedia Messaging Service
EMS of Enhanced Messaging Service
- foto’s, audio en video
WAP of Wireless Application Protocol
- specificaties voor web-achtige applicaties
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GPRS of General Packet Radio Service
- Max. 171,2 kbit/sec
UMTS of Universal Mobile Telecommunications System
- Max. 1920 kbits/sec
Bluetooth
- Draadloze verbinding op korte afstand
GSM-R of GSM-Railway
- Spoorwegen- MORANE (Mobile Radio for Railways in Europe)
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