公开(公告)号：US20020094820A1

公开(公告)日：2002-07-18

申请号：US09740299

申请日：2000-12-19

Applicant: Nokia Networks OY

Inventor： Yrjo Keranen ,  Timo Viero

IPC: H04Q007/20

CPC classification number: H04W64/00 ,  G01S5/0054 ,  G01S5/12 ,  G01S5/14 ,  G01S2013/466 ,  G01S2205/008

Abstract: A method and system for determining a location of a user equipment using RTT measurements from a connected node B and RTT measurement of other node Bs which are not connected to the user equipment. The radio network controller of a network measures RTT of a connected node Bs and then measures RTT of non connected node Bs. Based on the RTT measurement, the distances of the user equipment from each node B is determined. Circles having radii equal to the distances of the user equipment from the nodes are used to determine the user equipment location.

Abstract translation: 用于使用来自未连接到用户设备的其他节点B的连接节点B和RTT测量的RTT测量来确定用户设备的位置的方法和系统。 网络的无线网络控制器测量连接节点B的RTT，然后测量非连接节点B的RTT。 基于RTT测量，确定用户设备与每个节点B的距离。 使用半径等于用户设备与节点距离的圆确定用户设备位置。