5G(NR)网络中接口介绍
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">无线移动通信网络从<strong style="color: blue;">4G(LTE)</strong>时代对网络单元进行了大幅精减;<strong style="color: blue;">5G(NR)</strong>网络沿续了<strong style="color: blue;">4G</strong>架构,引入了基于<strong style="color: blue;">HTTP/2</strong>的通信协议基准及<span style="color: black;">掌控</span>平面和用户平面分离(<strong style="color: blue;">CUPS)</strong>基于服务的(<strong style="color: blue;">SBI</strong>)接口,其使得5G核心网络可支持分解的网络体系结构<span style="color: black;">作为</span>可能。5G网络中功能软件的分解使得<strong style="color: blue;">SBI</strong>和<strong style="color: blue;">CUPS</strong>可支持基于云网络的实施。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在5G(NR)网络建设初期语音业务将由4G承载;4G与5G间互操作就必不可少,4G(LTE)和5G(NR)系统间接口链路就非常重要;</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">1.5G(NR)网络单元和接口</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在5G(NR)网络中无线侧单元仅有UE和gNB,其他功能单元<span style="color: black;">位置于</span>核心网侧;网络单元间接口除空口Uu外,N1到N26分别如下:</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/MVhFrsp73yQNwMgib5yOq5w5E8DmT3vfm09c3CgicVD0YFTKaBvdPjqMibic8UA3IstfQw2pjibrJ4BoibFLo1V6tRlw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">2. 5G(NR)网络单元功能</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">2.1 </strong><strong style="color: blue;">AMF(</strong><strong style="color: blue;">接入和移动性管理单元)</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --无线网(RAN)<span style="color: black;">掌控</span>面接口(NG2)终结点;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --NAS(NG2)终结点;NAS加密和完整性<span style="color: black;">守护</span>;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --移动性管理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --合法拦截(用于AMF 事件和合法接口系统)整理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --路由<span style="color: black;">拜访</span>认证和 SM<span style="color: black;">信息</span>透明代理整理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --<span style="color: black;">拜访</span>认证整理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">--<span style="color: black;">拜访</span>授权整理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --安全锚点功能 (SEA) : 它与UDM 和UE相互<span style="color: black;">功效</span>,接收由UE认证过程<span style="color: black;">创立</span>的中间密钥; 在基于UDM的认证<span style="color: black;">状况</span>下,AMF从UDM;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> --安全上下文(SCM)管理: 它从SEA上接收一个密钥,用于派生<span style="color: black;">拜访</span>网络的特定密钥;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">2.2 UPF(用户面功能)功能如下:</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>用户平面QOS处理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">--</span> 包路由和转发;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>包<span style="color: black;">检测</span>和策略规则执行的QOS 处理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>合法拦截(用户平面);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>流量计算和报告;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>系统内/系统间切换锚点;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>支持与<span style="color: black;">外边</span> DN交互,为PDU会话授权/认证<span style="color: black;">供给</span>信令传输支持;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">2.3 SMF(进程管理<span style="color: black;">掌控</span>)功能如下</span></strong><span style="color: black;">:</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>会话(进程)管理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>UE IP<span style="color: black;">位置</span>分配和管理(<span style="color: black;">包含</span>授权-可选)</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>用户平面功能<span style="color: black;">选取</span>和<span style="color: black;">掌控</span>;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>策略<span style="color: black;">掌控</span>和计费功能接口的终结点</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span><span style="color: black;">掌控</span>策略和QOS执行部分;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>合法拦截(合法拦截系统会话事件和接口管理)</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>部分NAS<span style="color: black;">信息</span>的终结点;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span> 下行链路数据<span style="color: black;">通告</span>;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>接入节点特定会话管理信息的发起,<span style="color: black;">经过</span>AMF/NG2发送到接入节点</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>漫游功能管理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>处理本地QOS SLAs(vPLMN);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>计费数据收集和计费接口(vPLMN);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span> 合法拦截(针对合法vPLMN会话管理事件);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">2.4 DN(数据网络</strong>)</span>: 营运营业务、互联网接入或其他服务;</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">2.5 AUSF(鉴权服务功能)</strong>:</span>用户(UE)鉴权认证;</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">2.6 UDM(统一数据管理);</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> <span style="color: black;"> --</span>
</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">身份验证凭证存储和处理功能(ARPF) ; 此功能存储是AKA 身份验证的<span style="color: black;">长时间</span>安全凭证;</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>订阅资料存储;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">2.7 PCF(策略<span style="color: black;">掌控</span>功能)</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>支持统一的策略框架来管理网络<span style="color: black;">行径</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>策略规则来<span style="color: black;">掌控</span>平面功能来执行;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">2.8 AF(应用功能)动态策略请求或计费<span style="color: black;">掌控</span>;</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">3. 5G(NR)网络单元间接口</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG1: UE与接入和移动性管理单元(AMF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span> NG2: gNB与接入和移动性管理单元(AMF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG3: gNB与用户平面(UPF间接口;;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span> NG4: 进程管理单元(SMF)与用户平面(UPF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG5: 策略<span style="color: black;">掌控</span>功能(PCF)与应用功能(AF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG6: 用户平面(UPF)与数据网络(DN)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG7: 进程管理单元(SMF)与和策略<span style="color: black;">掌控</span>功能(PCF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG8:统一数据管理(UDM)与和 移动性管理单元(AMF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG9: 用户平面(UPFs)之间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG10: 统一数据管理(UDM)和 进程管理单元(SMF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG11:接入与移动性管理功能(AMF)和进程管理单元(SMF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG12: 接入与移动性管理功能(AMF)和鉴权服务功能(AUSF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG13: 统一数据管理(UDM)和鉴权服务功能(AUSF)间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG14:移动性管理单元(AMF)之间接口整理;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG15: 在非漫游<span style="color: black;">状况</span>下,策略<span style="color: black;">掌控</span>功能(PCF)和接入和移动性管理单元(AMF)间接口; 在漫游<span style="color: black;">状况</span>下,在 V-PCF和 amf 间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG22:网络切片<span style="color: black;">选取</span>功能;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"> --</span>NG26:4G核心单元MME与5G(NR)的AMF之间接口;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">4. 4G和5G互操作单元接口</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/MVhFrsp73yQNwMgib5yOq5w5E8DmT3vfmk9mYjubXWuA7fXic0gQe2yL4hR1Uxpg6hNRibHXIsMwW1ppwAos1o8rg/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">S1-MME</strong>
</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> eNodeB与MME之间接口(<span style="color: black;">掌控</span>面信息传递)</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">S1-U </strong>eNodeB与MME之间接口(用户面信息传递)</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">S6a</strong> MME与HSS之间接口(UE信息<span style="color: black;">查找</span>验证);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">S11</strong> MME与SGW之间接口(UE业务<span style="color: black;">掌控</span>);</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;">5.5G(NR)与4G(LTE)互操作接口</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">N26 </span></strong><span style="color: black;">4G的MME与5G(NR)的AMF之间接口,承担终端信息交互;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">SS_C</span></strong><span style="color: black;">4G的SGW与5G(NR)的SMF之间接口,承载<span style="color: black;">掌控</span>面<span style="color: black;">信息</span>交互;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">SSC_U</span></strong><span style="color: black;"> 4G的SGW与5G(NR)的UPF之间接口,承载终端用户面<span style="color: black;">信息</span>交互;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">接口<span style="color: black;">做为</span>网络单元的连接线就象<span style="color: black;">咱们</span>身体中的血管;</span><span style="color: black;"><span style="color: black;">保准</span>正常工作是<span style="color: black;">守护</span>优化人员的<span style="color: black;">平常</span>工作之一;</span><span style="color: black;">当网络<span style="color: black;">显现</span>问题时,你是不是<span style="color: black;">首要</span>对它们进行了<span style="color: black;">检测</span>?</span></p>
外链发布社区 http://www.fok120.com/ 我完全同意你的看法,期待我们能深入探讨这个问题。
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