Difference between revisions of "AA2-Mobile Generations"
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= ⌘History of wireless communications = | = ⌘History of wireless communications = | ||
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=⌘Speed of technology= | =⌘Speed of technology= |
Revision as of 20:45, 20 September 2014
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Contents
⌘History of wireless communications
while 1G and 2G were all about radio interfaces,
- 3G and Beyond 3G (B3G) are all about services
- 4G is using mobile broadband everywhere
- 5G will be truly heterogeneous network
Comments
⌘Speed of technology
- "There might be a need for 5 computers" (1943 Watson(?), 1951 Hartree)
- Mobile: NMT, GSM, GPRS, EDGE, UMTS, 3G, HSDPA, SMS, EMS, MMS,... DVB-H,...
Comments
Future communication systems, composed of IMT-A (ground), High altitude platform (HAP) and satellite
⌘History of wireless terminals
- 3.3 Bio Mobile Terminals in Q2.2008
%Wireless standardisation forums
- ITU-T
- ETSI
- IEEE
- 3GPP (3G Partnership Project) and 3GPP2
- Bluetooth SIG, zigbee alliance
and a lot of others addressing interworking
- OMA (open mobile alliance)
- UMTS forum
- ...
⌘Frequency spectrum
⌘Current wireless technologies
Ultra short range
- RFID, NFC
Vicinity
- Bluetooth, Wibree, Zigbee, WiMedia,
- ANT+, Bluetooth Smart (Low Energy)
Local area
- Wireless LAN, 802.11 family
- Wireless telephony: DECT (Digital Enhanced Cordless Telecommunications)
Mobile Communications:
- NMT
- GSM
- 3G: UMTS
- 4G:LTE - IMT-A
- 5G
- Mobile satellite communication: Geostationary (Inmarsat A, C, M) or low orbit (e.g. Iridium)
⌘Trend: Personal Networks
Interconnectivity
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