4/29/2013 ITU Regional Forum for ARAB Region: IMT Systems Technology, Evolution and Implementation, Tunisia, 7-9 May 2013. Session 4: IMT Technologies AlaaAlDin AlRadhi ITU Affiliated & Internet, Telecoms & Emerging Technologies Infrastructures Landscape: Strategist, Capacity Builder, Researcher & Consultant
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[email protected] 29 April 2013 AlaaAldin AlRadhi 1 • Some Technological Background Basics • Why IMT? IMT Standards Evolution Briefing • & Competing Technologies • Relevant ITU Recommendations, Reports & WRC-12 Outcome • Additional Slides & Some References 29 April 2013 AlaaAldin AlRadhi 2 1 4/29/2013 • Some Technological Background Basics 29 April 2013 AlaaAldin AlRadhi 3 Generations of Cellular Technologies Generation Year Network Technology Data 1G Early 1980s Circuit switched TACS,AMPS Analog Voice D-AMPS, D-AMPS, 2G Early 1990s Digital Voice GSM,CDMA GSM,CDMA Circuit switched or GPRS, EDGE, Digital Voice + 2.5G 1996 Packet switched EVDO, EVDV Data Non IP, Packet Digital Voice + W-CDMA, 3G 2000 switched / Circuit High speed Data CDMA2000 switched + video Digital Voice, IP based, Packet NOT High speed Data , 4G 2012 switched core Finalized Multimedia, network. Security 29 April 2013 AlaaAldin AlRadhi 4 2 4/29/2013 2.75G 3G Migration To 3G Multimedia Intermediate 2.5G Multimedia Separate Frequencies 2G Packet Data 1G Digital Voice Analog Voice GPRS GSM W-CDMA EDGE (UMTS) 115 Kbps NMT 9.6 Kbps 384 Kbps Up to 2 Mbps GSM/ TD-SCDMA TDMA GPRS (Overlay) 2 Mbps? TACS 115 Kbps 9.6 Kbps iDEN iDEN 9.6 Kbps PDC (Overlay) 9.6 Kbps AMPS CDMA 1xRTT cdma2000 CDMA 1X-EV-DV PHS 14.4 Kbps (IP-Based) 144 Kbps Over 2.4 Mbps / 64 Kbps PHS 64 Kbps 2003 - 2004+ 2003+ 2001+ 29 April 2013 1992 - 2000+ AlaaAldin AlRadhi Source: U.S.