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    • 41. 发明申请
    • ENHANCED ANGLE-OF-ARRIVAL POSITIONING
    • 增强的角度定位
    • WO2012096607A1
    • 2012-07-19
    • PCT/SE2011/050948
    • 2011-07-12
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)SIOMINA, IanaKANGAS, AriWIGREN, Torbjörn
    • SIOMINA, IanaKANGAS, AriWIGREN, Torbjörn
    • H04W64/00G01S3/28G01S3/04
    • H04W64/00G01S3/28G01S5/0215G01S5/04G01S5/08
    • The position of a mobile device served in a cell of a serving node of a wireless communication network is estimated by estimating an angle-of-arrival (AoA) between the mobile device and the serving node based on a precoding matrix indicator (PMI) determined for the serving node in a downlink direction or for the mobile device in an uplink direction. Also estimated is the AoA between the mobile device and a non-serving neighbor node of the wireless communication network based on a PMI determined for the neighbor node in the downlink direction or for the mobile device in the uplink direction. The downlink and/or uplink AoA estimation can be further enhanced by employing interference cancellation in the mobile device and in the radio node, respectively. The position of the mobile device is estimated based on the estimated AoAs.
    • 通过基于确定的预编码矩阵指示符(PMI)估计移动设备和服务节点之间的到达角(AoA)来估计在无线通信网络的服务节点的小区中服务的移动设备的位置 对于下行链路方向上的服务节点或者在上行链路方向上对于移动设备。 还估计基于为下行链路方向上的相邻节点确定的PMI或在上行链路方向上为移动设备确定的PMI的移动设备和无线通信网络的非服务邻居节点之间的AoA。 通过在移动设备和无线电节点中分别采用干扰消除,可以进一步增强下行链路和/或上行链路AoA估计。 基于估计的AoAs来估计移动设备的位置。
    • 44. 发明申请
    • ANGLE OF ARRIVAL DOWNLINK SIGNALING
    • 角度下降信号
    • WO2010107351A1
    • 2010-09-23
    • PCT/SE2009/050543
    • 2009-05-14
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)GERSTENBERGER, DirkWIGREN, TorbjörnKANGAS, AriLARSSON, Daniel
    • GERSTENBERGER, DirkWIGREN, TorbjörnKANGAS, AriLARSSON, Daniel
    • H04W64/00
    • G01S5/12G01S5/0009H04L67/18H04W4/02
    • A wireless communication network (10) determines positioning data (22) for a given mobile terminal (16), in response to receiving a positioning event trigger for that mobile terminal (16). The network (10) sends the positioning data (22) to the mobile terminal (16) via control-plane signaling, for transfer by the mobile terminal (16) to the user plane. Correspondingly, the mobile terminal (16) receives the positioning data (22) over the control plane, transfers it to the user plane, and transmits the positioning data (22) or location information derived from the positioning data (22), via user-plane signaling. As such, network-performed positioning measurements and/or geographic coordinate data derived therefrom are transferred from the control plane, to the user plane, for flexible and transparent transmission from the mobile terminal (16) to a given node (30, 90) having a user-plane connection with the mobile terminal (16). Such a node (30, 90) may be essentially any type of communication device, system, or server, internal or external to the network (10).
    • 响应于接收到该移动终端(16)的定位事件触发,无线通信网络(10)确定给定移动终端(16)的定位数据(22)。 网络(10)经由控制平面信令将定位数据(22)发送到移动终端(16),以便由移动终端(16)传送到用户平面。 相应地,移动终端(16)通过控制平面接收定位数据(22),将其传送到用户平面,并通过用户界面(22)发送定位数据(22)或从定位数据(22)导出的位置信息, 平面信号。 这样,将从其导出的网络执行的定位测量和/或从其导出的地理坐标数据从控制平面传送到用户平面,以便从移动终端(16)到具有以下特征的节点(30,90)的灵活和透明传输: 与所述移动终端(16)的用户平面连接。 这样的节点(30,90)可以是网络(10)内部或外部的任何类型的通信设备,系统或服务器。