蜂窝物联网核心网部署及业务实现方案

doi:10.11959/j.issn.1000-0801.2018192

Abstract

Abstract:

The C-IoT core network architecture,function and characteristics were analyzed.According to the classification of network element characteristics,the network deployment principle was determined.Based on technical characteristics of NB and eMTC,the access network elements (MME and SGW) deployment plan were analyzed,4 kinds of deployment plans were compared.In addition,the implementation of C-IoT data service,short message service and voice service was analyzed.Through the comparison and analysis of multiple schemes,for MME and SGW,it is recommended to upgrade and reform existing network equipment and build a new NFV equipment in some special provinces.

Key words: C-IoT, NB, eMTC, deployment scheme, service implementation

CLC Number:

TN915.02

Jiyan WANG,Wei ZHOU. Deployment and service implementation of C-IoT core network[J]. Telecommunications Science, 2018, 34(6): 130-137.

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References 6

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	方案一：新建传统设备独立组网	方案二：新建虚拟化设备独立组网	方案三：升级改造现网融合组网	方案四：现网升级+部分省份新建虚拟化
业务满足能力	业务继承较好；		业务继承最好，业务体验与大网相同；
	未来可能出现的NB/eMTC双模终端待验证评估		可支持用户使用2G、4G、NB和eMTC任意模式组合
支撑集中运营	业务规划需区分制式，难度相对较高（未来需细分NB和eMTC，对两张核心网分别规划和运营）		物联网业务可整体规划，对各技术发展规模差异包容性高
网络组织	网络组织较复杂，在现网基础上新增设备和S1、S5、S6a等接口		网络组织简单高效，仅需新增与无线网的接口
网络稳定性	NB-IoT业务发展和变动不影响大网，网络安全稳定性略高于方案三、方案四（未来部署 eMTC 仍会对大网有影响）
维护与管理	区分终端制式，虽然NB维护管理简单，但省内可能引入新厂商，整体维护管理复杂（未来部署 eMTC维护管理更加复杂）		网元数量少、维护效率高；
			不利于区分人、物的统计管理和故障定位
能力开放	NB较简单（未来部署eMTC仍涉及省网MME）		较复杂，涉及省网MME
网络演进	新增传统设备，不利于网络演进	积极引入NFV，有利于网络演进	不涉及硬件，不影响演进	积极引入NFV，有利于网络演进

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Deployment and service implementation of C-IoT core network

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