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Explore the transition from GSM to 4G technology, including GSM/GPRS, EDGE, WCDMA, CDMA, and advancements towards 4G like WiMAX and SIP/VoIP. Learn about the market share, data speeds, and infrastructure improvements in mobile networks.
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GSM .. Onno W. Purbo onno@indo.net.id
Trend Global-nya .. • GSM GSM/GPRS EDGE WCDMA • CDMA CDMA 1X CDMA 2000 • 2005 85% GSM/GPRS Market Share • 2005 20-100Kbps 2006 80-200Kbps • 2006 Cellullar + WiFi 11-22Mbps • 2007+ 3G • 201x+ 4G (WiMAX & SIP/VoIP)
Pre-4G Intelligent Network • Current mobile wireless infrastructure is the last outpost of the Intelligent Network • Service delivery centered around SS7/IS-41/GSM MAP intelligent nodes within the network • 1G is POTS over the air • 2G/2.5G/3G is ISDN over the air
A View of 4G • GSM/TDMA/EDGE/CDMA 2G/2.5G radios • IP over 3G R’99 ATM infrastructure • SIP and IPv6 in the handset • Optimal internet routing and handoff protocols • Greater base station density improves bandwidth
Contoh Teknologi 4G .. • WiMAX IEEE 802.16 • VoIP SIP