# MT-LR (Mobile Terminated Location Request)

定义

中文

MT-LR(终端定位请求)是由网络向移动台发起的定位请求,用于获取移动台的当前位置信息。

English

Mobile Terminated Location Request (MT-LR) is a location request initiated by the network towards a mobile station to obtain the current location information of the UE.

MT-LR 流程

Network                    UE
   
-- REGISTER (LCS) ----->
(Location Request)
<-- RELEASE COMPLETE ---
(Location Estimate)

MT-LR 类型

类型描述优先级
--------------------
紧急呼叫定位Emergency Call Location
验证性定位Verification Location
通知性定位Notification Location

隐私处理

中文说明

MT-LR 需要考虑用户隐私: 1. 验证:网络先验证是否有权获取位置 2. 通知:用户可能收到位置请求通知 3. 默认处理:根据用户订阅决定允许/禁止

English

MT-LR requires privacy handling: 1. Verification: Network verifies authorization first 2. Notification: User may be notified of location request 3. Default Treatment: Allow/deny based on subscription

相关概念

- MO-LR 移动台定位请求 - 定位服务 LCS - TS 24.030