【资料名称】：LTE位置业务介绍

【资料作者】：Multservice Forum

【资料日期】：2008

【资料语言】：中文

【资料格式】：DOC

【资料目录和简介】：

1.0 Introduction ................................................................................... 4
2.0 Problem Statement ........................................................................ 4
3.0 A Survey of Current Industry Solutions ..................................... 4
3.1 C-plane LCS Solution ................................................................................ 5
3.2 U-plane LCS Solution ................................................................................ 6
3.3 Positioning Methods .................................................................................. 7
3.3.1 Network-assisted GNSS Methods .............................................................................8
3.3.2 Downlink positioning .................................................................................................9
3.3.3 Enhanced Cell ID .......................................................................................................9
4.0 Use Cases ...................................................................................... 10
4.1 Location Support for Emergency Services ............................................ 10
4.2 Location Support for Commercial Services .......................................... 10
4.3 Proposed Interop Event (based on Maturity) ....................................... 11
5.0 MSF SWG-Recommended Solution Option(S) ......................... 11
5.1 MSF Architecture Based Implementation............................................. 12
5.1.1 Architecture Gap(s) .................................................................................................14
5.2 High-Level Call Flows ............................................................................. 15
5.2.1 Protocol and Control Gap(s) ...................................................................................17
6.0 Summary and Conclusions ............................................................ 17
7.0 Acronyms and Abbreviations ........................................................ 18
9.0 References ....................................................................................... 19