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现阶段,全球正加快新型数字基础设施建设,其中包括对传感终端、5G网络、大数据中心、工业互联网等基础设施进行数字化、网络化、智能化改造升级。通信网络从4G升级到5G,相比于空口的变化,核心网的变化更为明显。
丨从4G到5G,是“NSA”过渡到“SA”的过程
在4G升级到5G的几种主要部署模式中,4G和5G混合组网出现了SA(Standalone,独立组网)和NSA(Non-Standalone,非独立组网)两种方式,既能控制运营商的网络部署成本,又能满足从4G稳步推进5G网络的建设需求。
根据3GPP R15标准定义,“SA”包括2种组网方式,分别是“Option 2”和“Option 5”;“NSA”则共有8种组网方式,分别是:Option
3(Option 3/3a/3x);Option 7(Option 7/7a/7x);Option 4(Option 4/4a)。
5G SA组网方式
5G NSA组网方式
“NSA”组网方式就是利用现有4G基础设施来部署5G网络,属于现行、过渡的组网方式。
丨4G/5G融合核心网支持平滑升级到5G
从4G演进到5G的过渡阶段将会比较漫长,但随着时间的推移,最终仍会往5G SA独立组网的方向演进。
IPLOOK自主研发的4G/5G融合核心网除支持SA(独立组网)之外,还支持NSA(非独立组网),已实现全融合和互操作,从而支持网络从4G平滑升级至5G。
终端通过基站接入核心网,实现5G数据上网,同时支持VoLTE语音、VoNR语音服务,满足多个场景部署。
IPLOOK 4G/5G融合互操作系统架构
IPLOOK 通过整合 4G/5G 融合核心网、IMS 语音系统、MCPTT 集群调度系统、MEC
边缘云、无线接入网等资源,打造面向垂直行业的一站式专网移动通信解决方案,覆盖轨交、卫星、电网、铁路等通信专网领域,满足政企客户的定制化建网需求。
IPLOOK自主研发的5G核心网,目前已与国内外多家5G基站厂商实现互通,
能够提供高通信速率的上传、下载业务,确保低时延,低误码率的高质量通信服务,从而满足5G垂直行业的多种需求。
IPLOOK 5GC已对接基站
现阶段,我国5G应用已进入“快车道”。IPLOOK立足于通信发展新浪潮,着眼未来绘蓝图,以IPLOOK自研的“4G/5G融合核心网”为依托,携手行业伙伴共同推动5G演进,赋能千行百业网络数智化转型。