200421lWLANWLANPCNBIBTSICWLANLCDMonitorIntelCentrino2004NBWLANl2004SOHOSOHOWLANWLANSOHO(HomeGateway)VOIPHomeGatewayIBTS2004lNBWLANNBWLANMIC200442%(Hotspot)PWLANWLANWLANl……––– --0%10%20%30%40%50%60%70%80%90%100%20022003(e)2004(F)2005(F)2006(F)802.11a802.11b802.11g802.11a+b802.11a+g2,3976,45715,75139,77971,148121,387020,00040,00060,00080,000100,000120,000140,0002000200120022003(e)2004(F)2005(F)5291,1831,8932,9764,5516,78501,0002,0003,0004,0005,0006,0007,0002000200120022003(e)2004(F)2005(F)ffIBTSICWLAN—8