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本文档规定了支持E-UTRAN中位置服务所需的LCS应用协议(LCS-AP)的过程和信息编码。LCS-AP消息集适用于E-SMLC和MME之间的SLs接口。LCS-AP是根据TS 23.271 [3]中阐述的一般原则开发的。
| 术语 | |
|---|---|
| MME | Mobility Management Entity |
| OTDOA | Observed Time Difference Of Arrival |
| PDU | Protocol Data Unit |
| SCTP | Stream Control Transmission Protocol |
| SET | SUPL Enabled Terminal |
| SLP | SUPL Location Platform |
| SUPL | Secure User Plane Location |
| TA | Timing Advanced |
| UE | User Equipment |
| U-TDOA | Uplink Time Difference Of Arrival |
| 基本过程 | Elementary Procedure |
| CID | Cell-ID |
| E-CID | Enhanced Cell-ID |
| E-SMLC | Enhanced Serving Mobile Location Centre |
| E-UTRAN | Envolved Universal Terrestrial Radio Access Network |
| GNSS | Global Navigation Satellite System |
| GPS | Global Positioning System |
| LCS | LoCation Services |
| LCS-AP | LCS Application Protocol |
| LPP | LTE Positioning Protocol |
| LPPa | LTE Positioning Protocol Annex |
| LTE | Long Term Evolution |
| MBS | Metropolitan Beacon System |
| MO-LR | Mobile Originated Location Request |
| MT-LR | Mobile Terminated Location Request |
| NI-LR | Network Induced Location Request |
| 演进型服务移动定位中心 E-SMLC | 执行定位过程、提供位置估计或辅助数据的网络节点。 |
| 用户美利体育官网首页网址 支持LCS功能的UE | 需要获取位置估计的目标用户美利体育官网首页网址,支持LPP或LPPa协议。 |
| 移动性管理实体 MME | 发起位置请求并接收位置响应的网络节点。 |
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