公开(公告)号：US09504003B2

公开(公告)日：2016-11-22

申请号：US14518245

申请日：2014-10-20

Applicant: Broadcom Corporation

Inventor： Manoj Mathew George ,  Yasantha Rajakarunanayake

IPC: H04W24/00 ,  H04W64/00

CPC classification number: H04W64/00

Abstract: Embodiments provide an indoor position system that can be used by an mobile device (legacy or non-legacy) without changes at the mobile device. In an embodiment, to use the indoor position system, a user of the mobile device downloads an application to the mobile device, which interfaces with the mobile device's existing wireless radio technology circuitry or module (e.g., WLAN chip) to obtain the position of the mobile device. In one embodiment, the indoor position system includes a plurality of wireless anchors with known positions that are each configured to receive a packet transmitted by the mobile device, time-stamp the packet per the arrival time of the packet, and forward the time-stamped packet to a pre-defined site. At the pre-defined site, the position of the mobile device is computed and sent to the application running on the mobile device.

Abstract translation: 实施例提供了可以由移动设备（传统或非传统）使用的室内位置系统，而无需在移动设备上进行改变。 在一个实施例中，为了使用室内位置系统，移动设备的用户将移动设备的应用下载到与移动设备的现有无线电技术电路或模块（例如，WLAN芯片）接口以获得 移动设备。 在一个实施例中，室内定位系统包括多个具有已知位置的无线锚，其各自被配置为接收由所述移动设备，时间戳每分组的到达时间的分组发送的分组，并转发时间标记 分组到预定义的站点。 在预定义的站点，移动设备的位置被计算并发送到在移动设备上运行的应用程序。