基于IMS网络的核心网能力开放部署方式

doi:10.11959/j.issn.1000-0801.2017084

Abstract

Abstract:

Based on existing communication network capacity,telecom operators build the capability exposure platform,third-party developers were attracted to develop more colorful personalized communication services to users,new opportunities and challenges was brought to telecom operators.The construction plan and capability exposure pattern of system architecture of capability exposure and IMS network capability platform was analyzed,references of actual deployment for capability exposure were provided.

Key words: capability exposure, core network, IP multimedia subsystem

CLC Number:

TN915.81

Wei QIU,Qian WU,Hai WU. Capability exposure deployment of IMS core network[J]. Telecommunications Science, 2017, 33(4): 155-162.

Figures/Tables 9

References 5

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比较维度	方案一：基础语音AS升级为能力平台	方案二：SCP/SCP AS升级为能力平台
能力开放范围	基础语音AS提供的业务均可提供，包括音视频能力	智能网触发的相关业务，目前智能网设备暂不支持视频业务
用户范围	IMS 用户，但在部分场景业务使用受限（如 VoLTE 用户回落至2G/3G网络、但呼叫不由归属VoLTE AS进行控制的场景等）	所有智能网用户
业务一致性	由于IMS网络均由归属域进行业务控制，因此具备向用户提供归属域特色能力开放业务的优势	由于智能网用户是由其归属SCP进行智能业务控制，因此可以实现用户漫游场景的业务体验一致性要求
部署难易度	IMS用户均可提供，便于部署	（1）用户必须签约智能网业务；
		（2）存在智能网平台的业务嵌套与能力开放冲突的潜在可能，部署复杂
网络发展	随着用户全部迁移到IMS网络，由基础音视频AS提供能力开放能够满足所有用户需求	（1）可以为2G/3G 及 IMS 网络中智能网用户提供能力开放；
		（2）未来智能网平台的建设方式调整需要考虑能力开放的需求

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Capability exposure deployment of IMS core network

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