yuanbiaoti：5gshangweipuji6ghuxiaoerlai？ guanjianjishurengzaimosuo
5gziliaotu。（tu/xinhuawang）
xinhuawang3yue20ribaodao，meiguozongtongtelangpufatuite“woxiwang5gnaizhi6gzaorizaimeiguoluodi”。riqian，meiguolianbangtongxinweiyuanhuichaozhetelangpudezhishimaichulediyibu，juedingkaifang95qianzhaohedao3taihezipinduan，gong6gshiyanshiyong。
niuyuedaxuejiaoshoutaide·lapabotefabiaoshengming：“lianbangtongxinweiyuanhuiyijingqidongle6gdejingsai。”nandaowomenhaimeiyouxiangshoudao5gbushudehongli，wangsugengkuaide6gyijinghuxiaoerlai？6gdaodishi“xiaohecailujianjianjiao”haishi“yaoraoquanzaiyukaishi”？kejiribaojizhejiucicaifanglefenlanaoludaxueboshihou、wuxiantongxinzhuanjiahejiguang。
关键技术仍在摸索
“5gbuwanghaimeiwancheng，shenzhiguojibiaozhundoumeiyouwanquanzhidinghao。6ghaizaiqibujieduan，ganggangkaishiyanjiu，shenzhimeiyouqingxidegainiandingyi，qiguanjianjishurengzaimosuozhizhong。”hejiguanggaosujizhe，congkaishiyanjiudaojishuchengshuxuyaoshijian。oumengzai2013nianjiuqidonglemetisxiangmu(2020nianxinxishehuiyuyidongwuxiantongxinzhutuiqi)，kaizhan5gdeyanjiu，danzhidao2015nianxiangmujieshu，guanjianjishudoumeiyouwanquanqueding。“zuoweiyimingwuxiantongxinyanjiuzhe，woxiangxin6gzongyouyitianhuidaolai，danxianzairengshiwanshan5g、mosuo6gdeshiduan。”
“taihezibeihenduorenrenweishi6gdeguanjianjishuzhiyi。shishishang，taihezinengfouyongyuwuxiantongxinhaizailunzheng。”hejiguangjieshao，zhiqiantaihezizhuyaoyongyuleidatance、yiliaochengxiang，zaiwuxiantongxinfangmiandeyingyongyeshijinliangniancaikaishiyanjiu。tadetedianshipinlvgao、tongxinsulvgao，lilunshangnenggoudadaotaizijiemeimiao(tb/s)，danshijishangnazhongyingyongxuyaorucigaodewangsushangwudinglun。erqietaiheziyoumingxiandequedian，neijiushichuanshujuliduan，yishouzhangaiwuganrao，xianzainengzuodaodetongxinjulizhiyou10mizuoyou，erzhiyoujiejuetongxinjuliwenti，cainengyongyuxianyoudeyidongtongxinfengwowangluo。ciwai，tongxinpinlvyuegaoduiyingjianshebeideyaoqiuyuegao，xuyaogenghaodexingnenghejiagonggongyi。zheixiejishunantiduanshijianneihennanjiejue。
路线方案尚需验证
“muqian，guojitongxinjishuyanfajigouxiangjitichuleduozhongshixian6gdejishuluxian，danzheixiefangandouchuyugainianjieduan，nengfouluoshihaixuyanzheng。”hejiguangbiaoshi，aoludaxuewuxiantongxinzhongxinshiquanqiuzuixiankaishi6gyanfadejigou，muqianzhengzaicongwuxianlianjie、fenbushijisuan、shebeiyingjian、fuwuyingyongsigelingyuzheshouyanjiu。
wuxianlianjieshiliyongtaihezishenzhigenggaopinlvdewuxiandianbotongxin；fenbushijisuanzeshitongguorengongzhineng、bianyuanjisuandengsuanfajiejuedaliangshujudailaideshiyanwenti；shebeiyingjianzhuyaomianxiangtaihezitongxin，yanfaduiyingdetianxian、xinpiandengyingjian；fuwuyingyongzeshiyanjiu6gkenengdeyingyonglingyu，ruzidongjiashideng。“muqianyezhishiyouzheisigefangxiang，jutidexijiehaimeiyoumingque。”
jizhelejiedao，hanguoskjituanxinxitongxinjishuzhongxincengzai2018niantichule“taihezi+qufengwohuajiegou+gaokongwuxianpingtai(ruweixingdeng)”de6gjishufangan，bujinyingyongtaihezitongxinjishu，haiyaochedibiangexianyoudeyidongtongxinfengwojiagou，bingchuangjiankongtiandiyitidetongxinwangluo。
hejiguangzhichu，skjituantidaodequfengwohuajiegoushidangqiandeyanjiuredianzhiyi，jijizhanweibianzhaofengwozhuangbuzhi，zhongduanyeweibizhiheyigejizhantongxin，zheiqueshinengtigaopinpuxiaolv，ruidianlinxuepingdaxuedeyanjiutuanduizuizaotichulequfengwojiegougouxiang。danzheiyigouxiangnengfoumanzu6gshiyan、tongxinsulvdengzhibiao，haixuyaoyanzheng。
chuleskjituan，meiguobeiershiyanshiyetichule“taihezi+wangluoqiepian”dejishuluxian。zheixiefanganzaijishuxijieshangdouxuyaozhangshijianshiyanyanzheng。
推广应用成本高昂
“wuxiantongxinjinyibufazhan，daliangtouzibibukeshao。”hejiguangtandao，yaotigaotongxinsulvyoulianggefangan：yishijizhangengmiji，bushuliangzengjia，suiranjizhangonglvkeyijiangdi，danshuliangzengjiarenghuidailaichengbenshangsheng；dierzhongfanganjiushishiyonggenggaopinlvtongxin，birutaihezihuozhehaomibo，dangaopinlvduijizhan、tianxiandengyingjianshebeideyaoqiugenggao，xianzaijinxingtaihezitongxinyingjianshiyandechengbenyijingchaochuyibanyanjiujigoudechengshounengli。lingwai，congjizhantianxianshushanglaikan，4gjizhantianxianshuzhiyou8gen，5gnenggouzuodao64gen、128genshenzhi256gen，6gdetianxianshukenenghuigengduo，jizhandegenghuanyehuitigaoyingyongchengben。
“bugaibianxianyoudetongxinpinduan，zhiyikaotongguosuanfayouhuadengcuoshihennanshixianshexiangde6gyuanjing，quanbutihuansuoyoujizhanyebuxianshi。”hejiguangrenwei，weilaihenyoukenenghuicaiqufeidulizuwangdefangshi，jizaiyuanyoujizhandengsheshidejichushangbushu6gshebei，6gyu5gshenzhi4g、4.5gwangluogongcun，6gzhuyaoyongyurenkoumijiquyuhuozhemanzuzidongjiashi、yuanchengyiliao、zhinenggongchangdengchuizhixingyedegaoduanyingyong。
qishi，putongbaixingduijishigeg，shenzhimeimiaotaizijiedesulvmeiyoutaigaoxuqiu，kuangqieruguo6gyihaomibohuotaiheziweitongxinpinlv，qiyidongzhongduandejiagebiranbufei。
“6gzaiweilaijiniankenengzaijishushangyousuotupo，danjuliyingyongbushuweishishangyuan。”hejiguangyuce，yifangmiancongshi6gyanfadekeyanjigouhaibijiaoshao，jishufazhanrengxuyaoshijian；lingyifangmianjishuhuodetupohoudebiaozhunhuayexuyaoshijian。
congjishudefazhankan，6gyidinghuidaolai。danyouxuqiucaiyoujishu，5gdejishuzhibiaonenggouzaihenzhangshijianneimanzudabufendexingyeyingyong，erqietuiguangpuji5gdetouruyehengao。chufeishehuifazhandui6gyoufeichangjinpodexuyao，fouzebuhuizaihenduanshijianneiyong6gtihuan5g。
