4G?????й?????????????
???????????? ???????[ 2013/7/2 9:49:42 ] ????????
??????????????й???????????90%?????????????й???????й???????У?????й???????????????й?????????????????????????????????????????й???????????????С?????????????????й?????沢???й???????????й???????й?????????й???????????粻??????
???????3G??????й??????????????????????????????????????罨????????????????????????й???????й???????????罨????????????????????????????????С?
???????????????С??????????й????????????й???????й???????????????????????á?????????????????????й???????й???????У??й?????????????????????????????????????4G??????ì????????????
??????3G?????????й????4G????????????????????50Mbps??????????????????????????????????????????????????????????????3G??4G?????????????????????????????????????й???????????????????????????????
????????й??????4G?????????????????????μ??????????50???????????????????????????????????й????????????????????й????4G?????????????????????????????????????????????ì???????????????????4G?????????????й??????ν????
????4G?????????
??????????????????????й????????4G???????????????????й???????????4G?????????????????3G?????е????????????3G???罨????????С???й??????3G?г????迼?????????4G???罨??????????ν??????????????????????????????????
???????й???????????????417???????20???4G??????裻TD-LTE???????????100????TD??????????300?????700???????????й????4G???罨????????????????????й????4G???罨?軔????????????????????????????£??й????????????????????
????????OTT???????????????????????????в????????????????QQ????????????????????????????????????????????????4G???????Щ???????????4G??????й???????????????????????????????????????????????4GΣ??????????????????
????????????????????LTE?????????????????3300?????????????????г???60%??????????????LTE??????????Щ????????????LG U ??????2012?????????????????????????LTE?г?????????????????ù?????????????????????????????????????????SKT?????????40%??KT?????????????????????????“4G???????”??
??????2G??????й???????????????????????????????????????????????????г?????“???е??”???????????е?????????????????????????й?????????????????????????????棬????????????????????й???????????????????????????????????4G???磬?????????????
??????????????????????????????????????????????????????δ????????????????????????????????????ò????????50Mbps?????4G???磬?????????????????????????????QQ????????????????????3G??????????????????У??????????????????????????????????
??????????й???????????????????????????δ?????????4G?????????????4G?????????????裬??????????й?????????????????????????й??????4G?????????????????????У?????й?????????????й???????й??????3G?????в?????Ρ?
????3G?????????????????????????????й???????й???????????????·????3G????????????й????????4G?????????????????й?????????????????3G?????????????????????4G??????????????????????????ì???????????????????????4G??????????????е????檔
??????

???·???
????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11????????????????????
2021/4/15 14:41:29??????????5???????????
2021/3/25 17:23:31