【侨报记者萨萨3月12日报道】进入2018年，中国电信三大运营商、zhizaoshangdenggefangdoukaishijiakuai5gbushubufa。jinri，zhongguoyidonggengshipuchuxiaoxicheng，zhengzaiqingtui3gwangluo，zhici，peibandaluminzhong11nianzhijiudeyidong3g，huojiangyaoxiemu。
lvkezaishanghaihongqiaohuochezhan5gtiyanquneitiyan。（tupian：zhongxinshe）
3G退网福州先行
riqian，fuzhoushiwuxiandianguanlijujifuzhouyidongfahancheng，“nidanweiguanyushenqingzhuxiaotd-scdma（yidong3gdewangluozhishi）jizhandebaogaoshouxi。jingyanjiu，tongyizhuxiaonidanweiyijingtingzhishiyongdetd-scdmajizhan6535ge，duishujukuzhongtd-scdmajizhanshujuyuyifengcunbingshouhuiyuanhefadewuxiandiantaizhizhao”。
lumeirenwei，gaixinhaobiaoming，yidong3gyikaishizhengshituiwang，erfujianshizuixiankaishideshengfen。
qishizaozai2016nian，“tongxinrenjiayuan”luntanbianbaochu，zhongguoyidongmoushengchutai3gguantingfangan。erzaiqunian，td-scdmawangluoxinhaoyuelaiyuecha，td-scdmatuiwangdeneironggengshibuduanchuxian。
qunianfabude《5gzhongduanchanpinzhiyin》zhong，zhongguoyidongjiucengtidaozhongduanmoshipinduanzhong，buzaizhichitd-scdma。weilai5gzhongduanzhixuzhichinr/td-lte/lte fdd/wcdma/gsm。yejishishuo3gwangluohenkuaijiuhuixiaoshi。
meitiyugu，anzhaozhongguoyidong5gwangluoshangyongguihua2019nianbianjiangjinxingyouhaoyonghuceshi，2020nianzhengshishangyong。zheijiuyiweizhezhongguoyidonghuojiangzai2020nianqianjiang3gwangluoquanbutuiwang。
shujuxianshi，zhongguoyidongmuqianyou9.2yiyidongyonghu，qizhongbaokuo7.1yi4gyonghu，yejiushishuohaiyoubufenyonghuchuyu2g、3gwangluo。
3gwangluozuizaodanshengyu2007nian，2008nianzhongguochenggongkaifachu“zhongguoban3g”，erxianxingzhezeshizhongguoyidong。2008nian4yue1ri，yidongkaishishishangyongtd-scdmawangluo；2009nian1yuefen，zhongguogongxinbuzhengshixiangzhongzuhoudeyidong、liantong、dianxinfabu3gpaizhao。zhongguodianxinhezhongguoliantongyexianhoushangyong3g，yinci，zhongguodaludiqu3gcong2009nianzhengshifazhanqilai。
genju《meirijingjixinwen》culvegusuan，zhongguoyidongzai3gwangluoshangmiandetouruzhishaochaoguo3000yiyuanrenminbi。
为何先退3G而非2G？
fangyanquanqiudianxinyunyingshangshichang，2g、3gwangluotuiwangzaoyijingbushixinxianshi。yeneizhuanjiarenwei，yifangmian4gwangluofugaiyuelaiyuewanshannenggoumanzuyonghusuishisuiditongxin、shangwangxuqiu。lingyifangmian，4gyongyou2g、3gwukebinideyoushi，youqishinenggoumanzuyonghushiyongdadaikuanyingyongshiduiyuwangluochuanshudexuqiu。
gengweizhongyaodeshituiwang、qingpin，jinxingpinpuzhonggengkeyirangyunyingshangyongyougengweichongpeidepinpuziyuanzhichixindewangluofazhan。kejiwangzhanleifengwangrenwei，zai5gjijiangdaolaideshiqi，yunyingshangduiyupinpuxuqiugengjiapoqie，jiang2g、3gtuiwanglaihuanqupinpuziyuanchengweileyunyingshangdezhongyaogongzuo。zhongguoyidongde3gwangluopinduanshi1880mhz-1900mhzhe2010mhz-2025mhz，4gwangluopinduanshi1880-1900mhz、2320-2370 mhz、2575-2635 mhz，5gpinduanzeshi2.6ghzpinduan，jiusuantengchulaidepinduanbunengyongzai5gshang，yekeyiyongzai4gwangluo，rangzhongguoyidongde4gfugaigenghao。
dangqian，zhongguo5gjianwangzhengzaiyoutiaobuwendijinxing，genjugongkaibaodaoxianshi，jinniandiqian，zhongguojin20chengyouwangtiyan5ggaosuwangluo。shanghaiyidongzongjinglijinritoulu，zhongguoyidongzhengtuidongshanghaizhuchengqu、jiaoquyewuredianquyu、chuizhixingyeyingyongquyude5glianpianfugai，9yuedizaiquanshifanweineiwanchengbushaoyu5000ge5gjizhanjianshe。erju《beijingribao》baodao，niandiqian，beijingjiunengzaiwuhuanquyuneishixian5gxinhaodequanfugai。
zhiyuweihexianqingtui3gwangluoerbushi2g。juxizhuyaoshiyouyudangqian4gwangluojinguanqiangda，danyuyintonghuajuedabufenhaishiyunxingzai2gwangluoshang，lingwai2gwangluohaichengzaizheyibufenwulianwangrenwu。zhongguotongxinwangcheng，yuanqilaikan，jiyu4gwangluodevoltehuiqudai2gdeyuyintonghua，nb-iot/emtchuiqudai2gdewulianwanggongneng，2gbingbushiwanquanbuketidaide，dantuiwanghaixuyaoshijian。（wan）
