2G 2.5G 3G
Mobile Radio Telephony * Limited number of channels Analog Cellular Mobitex ETC * Data transmission circuit or packet switched * Non-continuous * Moderate capacity coverage * National coverage * Handoff & roaming * Circuit switched 2G Digital Cellular * Moderate capacity * Wide coverage * Digital speech TRS * Point to Multi-point * Group Call PCS Satellite Mobile (GMPCS) * World coverage 3G IMT-2000 UPT 4G 1st Generation CT * Low capacity * Local coverage * Low cost 2nd & 3rd Generation CT * High capacity * Local coverage * Digital speech WPBX Radio Paging * High capacity * Multiple service * Wide coverage WLL LMDS / LMCS WLAN WATM * Broadcast paging * Broadcast Message * Substitution of Wireline * Fixed terminal
(:) 600 (: ) 1060 500 1040 1020 400 1000 300 200 980 960 940 100 920 900 0 2002 2003 2004 2005 2006 2007 880
(:) 60000 (:) 400000 50000 350000 300000 40000 30000 20000 10000 250000 200000 150000 100000 50000 ASP( ) 0 2002 2003 2004 2005 2006 2007 0
100 80 60 40 20 0 2003 2004 2005 2006 2007 2008 시스템 시장 서비스 시장