{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_81MTkKTht7A","type":"doc","o":"1","documentId":"ucms_81MTkKTht7A"},"body":{"newStatus":"1","documentId":"ucms_81MTkKTht7A","staticId":"ucms_81MTkKTht7A","title":"2G\/3G再见了!中国联通全面退网","shareTitle":"2G\/3G再见了!中国联通全面退网","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/img1.ugc.ifeng.com\/newugc\/20201113\/14\/wemedia\/23417cfcaa1a40236c19c1fe66d65cc31be3ffec_size120_w681_h454.jpeg","source":"","author":"","editorcode":"weMedia","editTime":"2020-11-13 15:02:24","updateTime":"2020\/11\/13 15:02:24","wapurl":"http:\/\/\/\/i.ifeng.com\/c\/81MTkKTht7A","introduction":"","wwwurl":"http:\/\/\/\/i.ifeng.com\/c\/81MTkKTht7A","commentsUrl":"ucms_81MTkKTht7A","commentCount":0,"text":"
11月13日,第十一届“2020全球移动宽带论坛”在上海召开,中国联通5G共建共享工作组组长苗守野透露已计划240个本地网2G退网,最快明年底2G全面退网;3G年底首先降至1载频,推进3G逐步退网;最后形成4G+5G协同的极简目标网。<\/p>
苗守野称,现在4G已经在成熟期,而5G正在经历大规模投资和逐步商用化的过程,要聚焦5G发展,就必须减小2G\/3G的牵绊束缚,2G\/3G网络已经到了逐步退出历史舞台的时候。<\/p>
<\/p>
消息一出格外引人注目,要知道全国目前2G用户大约还有2.73亿人,也就是说每5个手机用户,其中就有1个人还在使用2G手机。<\/p>
据了解,目前,中国联通在各省份都在鼓励2G用户换机升级,还有2G网络基站减频、老旧设备拆除工作,与此同时,中国联通的3G退网也在推进中。<\/p>
苗守野表示,中国联通的目标是“3G年底首先降至1载频,加快VoLTE发展替代3G语音,推进3G逐步退网;最后形成4G+5G协同的极简目标网”。<\/p>
今年5月初,工信部曾发布《关于深入推进移动物联网全面发展的通知》,提出推动2G\/3G物联网业务迁移转网,建立NB-IoT(窄带物联网)、4G、5G协同发展的移动物联网综合生态体系,推动2G退网。<\/p>
中国移动此前也明确提出,将于2020年底前停止新增2G物联网用户,并将由NB-IoT、4G Cat1\/1bis技术承接2G物联网用户。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/C0298708BCBA8ABFE7D43CC52AA62D8373B3879C_size101_w720_h454.jpeg","size":{"width":"640","height":"403"}}],"summary":"11月13日,第十一届“2020全球移动宽带论坛”在上海召开,中国联通5G共建共享工作组组长苗守野透露已计划240个本地网2G退网,最快明年底2G全面退网;3G","sharesummary":"11月13日,第十一届“2020全球移动宽带论坛”在上海召开,中国联通5G共建共享工作组组长苗守野透露已计划240个本地网2G退网,最快明年底2G全面退网;3G","commentType":"0","wemediaEAccountId":"1145866","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002t6XxHdtIbuF8tbVC80Zb--YIDaAIB6wIUjQDBUoe2ac0__","praise":"0","like_num":"0"}}