01117nam a2200289 c 4500001001300000005001500013007000300028008004100031020003400072049002800106052001700134056001400151082001700165245017500182260003700357300004700394440003900441504002900480650008200509700004100591700003600632700003600668700004800704700003600752700002800788950001100816KMO20131178320130328135454ta130318s2011    ulkad         000   kor    a9788992885546g03560:c\200000 lEM5611973lEM5611974c201a568.52b13-1  a568.522501a621.384522120a(훤히 보이는) 4G =xHow 4G technology changes future :b꿈의 4G 시대가 열리다 /d김대식,e박남훈,e권동승,e정현규,e김민택,e송영근 지음  a서울 :b전자신문사,c2011  a247 p. :b천연색삽화, 도표 ;c24 cm00aETRI easy IT ;v23 - 4G technology  a참고문헌: p. 245-247 8a제4세대 이동 통신 서비스[第四世代移動通信--]0KSH20040413021 a김대식,d1954-0KAC2013063294aut1 a박남훈,d1962-0KAC2013063311 a권동승,d1962-0KAC2013063331 a정현규,g丁鉉奎,d1963-0KAC2013063351 a김민택,d1955-0KAC2013063381 a송영근0KAC2013063390 b\20000