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    • 4. 发明授权
    • Tiered delivery of location data
    • 分层交付位置数据
    • US09071937B2
    • 2015-06-30
    • US13756452
    • 2013-01-31
    • Apple Inc.
    • Lukas M. MartiRobert MayorShannon M. Ma
    • H04W24/00H04W4/02G01S5/02H04W64/00H04W4/04
    • H04W4/025G01S5/0236G01S5/0252H04W4/043H04W4/046H04W64/00
    • Techniques of delivering location data are described. A location server can receive, from a mobile device, a request for location data for determining a location of the mobile device at a venue. The request can include an estimated location of the mobile device. The location server can provide to the mobile device coarse location data for each venue that is located within a threshold distance to the estimated location of the mobile device. The coarse location data can include a list of coarse tiles at each venue, and parameters of a probability distribution function for determining in which tile of the venue the mobile device is located based on signals detected by the mobile device. The location server can the provide location fingerprint data associated with the tile and neighboring tiles to the mobile device. The mobile can use the location fingerprint data to determine a more detailed location.
    • 描述了传送位置数据的技术。 位置服务器可以从移动设备接收用于确定移动设备在场地的位置的位置数据的请求。 该请求可以包括移动设备的估计位置。 位置服务器可以向移动设备提供位于距移动设备的估计位置的阈值距离内的每个场所的粗略位置数据。 粗略位置数据可以包括每个场地的粗瓦片的列表,以及用于基于由移动设备检测到的信号来确定移动设备所在场所的哪个瓦片的概率分布功能的参数。 位置服务器可以向移动设备提供与瓦片和相邻瓦片相关联的位置指纹数据。 移动台可以使用位置指纹数据来确定更详细的位置。
    • 5. 发明授权
    • Location determination using a state space estimator
    • 使用状态空间估计器进行位置确定
    • US08942725B2
    • 2015-01-27
    • US13715183
    • 2012-12-14
    • Apple Inc.
    • Lukas M. MartiRobert MayorShannon M. Ma
    • H04W24/00H04W4/02G01S5/02
    • H04W4/025G01S5/0252G01S5/0278G01S5/0294
    • Methods, program products, and systems for using a location fingerprint database to determine a location of a mobile device are described. A mobile device can use location fingerprint data and readings of a sensor to obtain a location observation. The mobile device can use the location observation in a particle filter for determining a location of the mobile device at a venue. Using state of movement of the mobile device and a map of the venue, the mobile device can determine one or more candidate locations of the device. The mobile device can then update the candidate locations using a next observation, and determine a probability density function based on the candidate locations. The mobile device can then present to a user a most probable location as a current location of the device in the venue.
    • 描述了使用位置指纹数据库来确定移动设备的位置的方法,程序产品和系统。 移动设备可以使用位置指纹数据和传感器的读数来获得位置观察。 移动设备可以使用粒子滤波器中的位置观察来确定移动设备在场地的位置。 使用移动设备的移动状态和场所的地图,移动设备可以确定设备的一个或多个候选位置。 然后,移动设备可以使用下一个观察来更新候选位置,并且基于候选位置来确定概率密度函数。 然后,移动设备可以向用户呈现最可能的位置作为场地中设备的当前位置。
    • 6. 发明申请
    • PROXIMITY FENCE
    • 临近性
    • US20140274150A1
    • 2014-09-18
    • US14191330
    • 2014-02-26
    • Apple Inc.
    • Lukas M. MartiShannon M. MaRobert MayorAugustin PratsBrian J. TuckerChristopher J. EdmondsJoakim LindePejman Lotfali Kazemi
    • H04W4/02
    • H04W4/021H04B17/318H04W4/023H04W4/80H04W8/18H04W40/244H04W88/02
    • A proximity fence can be a location-agnostic fence defined by signal sources having no geographic location information. The proximity fence can correspond to a group of signal sources instead of a point location fixed to latitude and longitude coordinates. A signal source can be a radio frequency (RF) transmitter broadcasting a beacon signal. The beacon signal can include a payload that includes an identifier indicating a category to which the signal source belongs, and one or more labels indicating one or more subcategories to which the signal source belongs. The proximity fence defined by the group of signal sources can trigger different functions of application programs associated with the proximity fence on a mobile device, when the mobile device moves within the proximity fence and enters and exits different parts of the proximity fence corresponding to the different subcategories.
    • 靠近栅栏可以是由不具有地理位置信息的信号源定义的与位置无关的栅栏。 接近栅栏可以对应于一组信号源,而不是固定在纬度和经度坐标上的点位置。 信号源可以是广播信标信号的射频(RF)发射机。 信标信号可以包括包括指示信号源所属的类别的标识符和指示信号源所属的一个或多个子类别的一个或多个标签的有效载荷。 当移动设备在邻近围栏内移动并进入和离开对应于不同的邻近栅栏的不同部分时,由信号源组定义的邻近栅栏可以触发与移动设备上的邻近栅栏相关联的应用程序的不同功能 子类别。
    • 7. 发明申请
    • LOCATION DETERMINATION USING FINGERPRINT DATA
    • 使用指纹数据进行位置确定
    • US20140171114A1
    • 2014-06-19
    • US13715266
    • 2012-12-14
    • APPLE INC.
    • Lukas M. MartiRobert MayorShannon M. Ma
    • H04W24/00
    • H04W24/00G01C21/10G01S5/02G01S5/0252G01S5/0278H04W64/00
    • Methods, program products, and systems for using a location fingerprint database to determine a location of a mobile device are described. A mobile device can use location fingerprint data received from a server to determine a location of the mobile device at the venue. The mobile device can obtain, from a sensor of the mobile device, a vector of sensor readings, each sensor reading can measure an environment variable, e.g., a signal received by the sensor from a signal source. The mobile device can perform a statistical match between the vector and the location fingerprint data. The mobile device can then estimate a current location of the mobile device based on the statistical match.
    • 描述了使用位置指纹数据库来确定移动设备的位置的方法,程序产品和系统。 移动设备可以使用从服务器接收的位置指纹数据来确定移动设备在场地的位置。 移动设备可以从移动设备的传感器获得传感器读数的向量,每个传感器读数可以测量环境变量,例如传感器从信号源接收到的信号。 移动设备可以执行向量和位置指纹数据之间的统计匹配。 然后,移动设备可以基于统计匹配来估计移动设备的当前位置。