公开(公告)号：US20150123847A1

公开(公告)日：2015-05-07

申请号：US14480396

申请日：2014-09-08

Applicant: QUALCOMM Incorporated

Inventor： Dominic Gerard FARMER ,  William James MORRISON ,  Jie WU ,  Krishnaranjan RAO ,  Tong LIN

IPC: G01S19/34 ,  G01S19/24 ,  G01S19/06

CPC classification number: G01S19/34 ,  G01S19/06 ,  G01S19/24

Abstract: Techniques for managing power consumption of a Global Navigation Satellite System (GNSS) receiver of a mobile device are provided. These techniques include a method that includes deriving a GNSS search window for the GNSS receiver based on a position uncertainty (PUNC) and a time uncertainty (TUNC), selecting a GNSS search mode based on the GNSS search window and resources available for searching for signals from GNSS satellite vehicles (SVs), wherein an estimated power consumption associated with execution of a GNSS search associated with the GNSS search mode does not exceed a power consumption limit specified for the GNSS receiver conducting the GNSS search using the GNSS search mode, and estimating a position of the mobile device.

Abstract translation: 提供了用于管理移动设备的全球导航卫星系统（GNSS）接收机的功耗的技术。 这些技术包括一种方法，其包括基于位置不确定度（PUNC）和时间不确定性（TUNC）导出GNSS接收机的GNSS搜索窗口，基于GNSS搜索窗口选择GNSS搜索模式和可用于搜索信号的资源 来自GNSS卫星车辆（SV），其中与执行与GNSS搜索模式相关联的GNSS搜索相关联的估计功率消耗不超过为使用GNSS搜索模式进行GNSS搜索的GNSS接收器指定的功耗限制，并且估计 移动设备的位置。