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    Altitude Estimation Using A Probability Density Function
    12.
    发明申请
    Altitude Estimation Using A Probability Density Function 审中-公开
    使用概率密度函数进行海拔估计

    公开(公告)号：US20170013589A1

    公开(公告)日：2017-01-12

    申请号：US15273632

    申请日：2016-09-22

    Applicant: Apple Inc.

    Inventor： Lukas M. Marti ,  Glenn Donald MacGougan ,  Robert Mayor ,  Ronald K. Huang ,  Jason Dere ,  Yefim Grosman

    IPC: H04W64/00 ,  G01C5/00 ,  G01S5/00 ,  G01S5/02

    CPC classification number: H04W64/003 ,  G01C5/00 ,  G01S5/0027 ,  G01S5/0236 ,  G01S5/0242 ,  G01S5/0278 ,  H04W4/023 ,  H04W24/00 ,  H04W64/00

    Abstract: Methods, program products, and systems of location estimation using a probability density function are disclosed. In general, in one aspect, a server can estimate an effective altitude of a wireless access gateway using harvested data. The server can harvest location data from multiple mobile devices. The harvested data can include a location of each mobile device and an identifier of a wireless access gateway that is located within a communication range of the mobile device. The server can calculate an effective altitude of the wireless access gateway using a probability density function of the harvested data. The probability density function can be a sufficient statistic of the received set of location coordinates for calculating an effective altitude of the wireless access gateway. The server can send the effective altitude of the wireless access gateway to other mobile devices for estimating altitudes of the other mobile devices.

    Abstract translation: 公开了使用概率密度函数的方法，程序产品和位置估计系统。 通常，在一个方面，服务器可以使用收获的数据估计无线接入网关的有效高度。 服务器可以从多个移动设备收集位置数据。 所收获的数据可以包括每个移动设备的位置和位于移动设备的通信范围内的无线接入网关的标识符。 服务器可以使用收获的数据的概率密度函数来计算无线接入网关的有效高度。 概率密度函数可以是用于计算无线接入网关的有效高度的所接收的位置坐标集合的足够的统计量。 服务器可以将无线接入网关的有效高度发送到其他移动设备，以估计其他移动设备的高度。

    Proximity-based notifications in a mobile device
    14.
    发明授权
    Proximity-based notifications in a mobile device 有权

    公开(公告)号：US09420420B2

    公开(公告)日：2016-08-16

    申请号：US14679947

    申请日：2015-04-06

    Applicant: Apple Inc.

    Inventor： Alessandro F. Sabatelli ,  Ronald K. Huang

    IPC: H04W24/00 ,  H04W4/02 ,  H04W4/00 ,  H04W4/20

    CPC classification number: H04W4/021 ,  H04W4/023 ,  H04W4/21 ,  H04W4/80

    Abstract: Methods, program products, and systems for proximity-based notifications are described. A proximity-based notification system can receive a request to be notified when a contact's mobile device is in proximity to a user's mobile device, obtain permission to receive information associated with the contact, receive the information associated with the contact, detect that the contact's mobile device is in proximity to the user's mobile device based on the information associated with the contact, and notify the user that the contact's mobile device is in proximity to the user's mobile device.

    Point of interest location determination based on application usage
    16.
    发明授权
    Point of interest location determination based on application usage 有权
    基于应用程序使用的兴趣点位置确定

    公开(公告)号：US09303996B2

    公开(公告)日：2016-04-05

    申请号：US14023405

    申请日：2013-09-10

    Applicant: Apple Inc.

    Inventor： Ronald K. Huang

    IPC: G01C21/00 ,  G01C21/20 ,  G01C21/28 ,  G01C21/36 ,  G06Q30/02 ,  H04W4/02 ,  G06F9/44 ,  G06F17/30 ,  H04L29/08 ,  H04W4/00

    CPC classification number: G01C21/00 ,  G01C21/206 ,  G01C21/28 ,  G01C21/3679 ,  G06F8/00 ,  G06F17/30 ,  G06Q30/02 ,  G06Q30/0205 ,  H04L67/22 ,  H04L67/34 ,  H04W4/02 ,  H04W4/50

    Abstract: Techniques of determining a point of interest (POI) location using anonymous application usage data are described. A POI location determination system can determine geographic coordinates of a POI based on anonymous application usage data received from multiple mobile devices. The system can associate an application program with a POI. The anonymous application usage data can include an identifier or a category of the application program launched by the mobile devices, and a device location of each mobile device at time of launching the application program. Based on the device locations, the system can determine that launching of the application program is concentrated in a geographic area. The system can designate a centroid of the geographic area as a location of the POI.

    Abstract translation: 描述使用匿名应用使用数据确定兴趣点（POI）位置的技术。 POI位置确定系统可以基于从多个移动设备接收的匿名应用使用数据来确定POI的地理坐标。 系统可以将应用程序与POI相关联。 匿名应用使用数据可以包括由移动设备启动的应用程序的标识符或类别，以及启动应用程序时每个移动设备的设备位置。 基于设备位置，系统可以确定应用程序的启动集中在地理区域。 系统可以将地理区域的质心指定为POI的位置。

    REDUCED RESOLUTION LOCATION DETERMINATION FOR IMPROVED ANONYMITY OF USER LOCATION
    17.
    发明申请
    REDUCED RESOLUTION LOCATION DETERMINATION FOR IMPROVED ANONYMITY OF USER LOCATION 审中-公开
    减少用户位置改进的分辨率位置确定

    公开(公告)号：US20160066179A1

    公开(公告)日：2016-03-03

    申请号：US14502869

    申请日：2014-09-30

    Applicant: Apple Inc.

    Inventor： Ronald K. Huang ,  Lukas M. Marti ,  Stephen J. Rhee ,  Robert Mayor ,  Tadaaki Shimada

    IPC: H04W12/02 ,  H04L29/12 ,  G06F21/62

    CPC classification number: H04W12/02 ,  G01S19/39 ,  G01S19/42 ,  G06F21/6254 ,  H04L61/609 ,  H04L63/0407 ,  H04L63/107 ,  H04W8/16 ,  H04W64/00

    Abstract: Reduced resolution location determination for improved anonymity of a user location is disclosed. In some implementations, a first location of a computing device operating in a geographic area is determined. A population density of the geographic area is estimated. A grid overlay is generated, including a number of cells based on the estimated population density. Using the grid overlay, a second location is generated for the computing device that is less precise than the first location. The less precise second location can be used in a local search or other application to improve the anonymity of the user location.

    Abstract translation: 公开了用于改善用户位置的匿名性的降低分辨率位置确定。 在一些实现中，确定在地理区域中操作的计算设备的第一位置。 估计地理区域的人口密度。 生成网格覆盖，包括基于估计的人口密度的多个单元格。 使用网格覆盖，生成比第一个位置更精确的计算设备的第二个位置。 可以在本地搜索或其他应用中使用较不精确的第二位置来改善用户位置的匿名性。

    Determining Activity Paths from Anonymous Application Usage Data and Motion Activity
    19.
    发明申请
    Determining Activity Paths from Anonymous Application Usage Data and Motion Activity 审中-公开
    确定匿名应用程序使用数据和运动活动的活动路径

    公开(公告)号：US20150256977A1

    公开(公告)日：2015-09-10

    申请号：US14500906

    申请日：2014-09-29

    Applicant: Apple Inc.

    Inventor： Ronald K. Huang

    IPC: H04W4/02

    CPC classification number: H04W4/029

    Abstract: Anonymous application usage data (and optionally motion activity classification) are collected on mobile devices and transmitted to a server computer. The anonymous application usage data, which are associated with an application running on the mobile devices, are processed by one or more server computers to determine one or more activity paths. Frequency of usage of the activity paths can also be determined from anonymous application usage data.

    Abstract translation: 匿名应用程序使用数据（以及可选的运动活动分类）在移动设备上收集并发送到服务器计算机。 与在移动设备上运行的应用相关联的匿名应用使用数据由一个或多个服务器计算机处理以确定一个或多个活动路径。 还可以从匿名应用程序使用数据确定活动路径的使用频率。

    Location Accuracy Prediction
    20.
    发明申请
    Location Accuracy Prediction 审中-公开
    位置精度预测

    公开(公告)号：US20150181372A1

    公开(公告)日：2015-06-25

    申请号：US14137977

    申请日：2013-12-20

    Applicant: Apple Inc.

    Inventor： Joseph Ding-Jiu Huang ,  Ronald K. Huang ,  Robert Mayor ,  David Benjamin Millman

    IPC: H04W4/02

    CPC classification number: H04W4/029

    Abstract: Survey data for an environment is used to predict the accuracy of a position estimate in the environment and whether or not more survey data may improve that accuracy. In some implementations, a user performs a site survey of an environment by observing the strengths of radio frequency signals at various survey points in the environment. An expected positioning accuracy of the surveyed environment can be determined using the new survey data collected and optionally historical survey data for the environment. The user can be informed about the usefulness of collecting additional survey data and/or the expected positioning accuracy in the environment.

    Abstract translation: 用于环境的调查数据用于预测环境中位置估计的准确性，以及是否有更多的调查数据可以提高准确度。 在一些实现中，用户通过观察环境中各个测量点处的射频信号的强度来执行环境的现场调查。 可以使用收集的新调查数据和可选的环境历史调查数据来确定被测环境的预期定位精度。 可以向用户通知在环境中收集附加的测量数据和/或预期的定位精度的有用性。

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