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    • 5. 发明授权
    • Push-based location update
    • 基于推送的位置更新
    • US08930438B2
    • 2015-01-06
    • US12486532
    • 2009-06-17
    • Richard WilliamsonChristopher BlumenbergSeejo PylappanJames Howard
    • Richard WilliamsonChristopher BlumenbergSeejo PylappanJames Howard
    • G06F15/16H04L29/06H04W4/02H04L29/08H04W60/00
    • H04L67/18H04L63/107H04L67/26H04W4/02H04W4/029H04W60/00
    • Methods, systems, and computer-readable media for a location information server to gather location updates by sending location-update-requests through a push notification service to a mobile device are disclosed. The mobile device provides location updates in response to the push-based location-update-requests received through the push notification service. The mobile device can switch from a self-initiated location update mode to a push-based location update mode depending on the current state of the mobile device. The mobile device can also choose an appropriate positioning system for self-locating based on the information embedded in the location-update-request received through the push notification service. The information embedded in the pushed location-update-request can be a precision requirement or context information that can be used to determine a precision requirement for the location update.
    • 公开了用于通过将移动设备的推送通知服务发送位置更新请求来收集位置更新的位置信息服务器的方法,系统和计算机可读介质。 响应于通过推送通知服务接收到的基于推送的位置更新请求,移动设备提供位置更新。 移动设备可以根据移动设备的当前状态从自启动位置更新模式切换到基于推送的位置更新模式。 移动设备还可以基于嵌入在通过推送通知服务接收到的位置更新请求中的信息来选择用于自定位的适当的定位系统。 嵌入在推送位置 - 更新请求中的信息可以是可用于确定位置更新的精度要求的精度要求或上下文信息。
    • 6. 发明授权
    • Finding wireless network access points
    • 查找无线网络接入点
    • US08897803B2
    • 2014-11-25
    • US13350215
    • 2012-01-13
    • Seejo PylappanFrançois M. Jouaux
    • Seejo PylappanFrançois M. Jouaux
    • H04W24/00
    • H04W4/02G01S5/0027G01S5/0252H04W36/0061H04W48/16
    • Methods, computer-readable media, and computer systems for finding wireless network access points. Geographic location information describing a geographic location of a computer system within a geographic area is received. From a storage medium that stores information defining multiple geographic cells and, for each cell, information defining multiple wireless network access points, a particular geographic cell within which the geographic location described by the geographic location information is located is identified. Access points within the particular geographic cell are identified, and provided in response to receiving the geographic location information.
    • 方法,计算机可读介质和用于查找无线网络接入点的计算机系统。 接收描述地理区域内的计算机系统的地理位置的地理位置信息。 从存储定义多个地理单元的信息的存储介质,并且对于每个小区,识别定义多个无线网络接入点的信息,识别由地理位置信息所描述的地理位置所在的特定地理小区。 识别特定地理小区内的接入点,并响应于接收地理位置信息而提供接入点。
    • 10. 发明申请
    • MANAGING A LOCATION DATABASE FOR NETWORK-BASED POSITIONING SYSTEM
    • 管理基于网络的定位系统的位置数据库
    • US20110176523A1
    • 2011-07-21
    • US12688806
    • 2010-01-15
    • Ronald K. HuangMarkus FischerSeejo Pylappan
    • Ronald K. HuangMarkus FischerSeejo Pylappan
    • H04W24/00
    • H04W64/00G01S5/02G01S5/0242
    • Methods, program products, and systems for managing a location database are described. A server computer can receive location information from location-aware mobile devices (e.g., GPS-enabled devices) located within a communication range of access points of a wireless communications network. The server computer can calculate average geographic locations using the received locations for each access point. Based on the average geographic locations, the server computer can assign the access points to cells of a geographic grid. The server computer can filter the access points in each cell based on popularity, stability, longevity, and freshness of the access point and the received data. When a second mobile device connects to an access point in a cell, the server computer can transmit locations of the access points in the cell and in neighboring cells to the second mobile device such that a location of the second mobile device can be estimated.
    • 描述了用于管理位置数据库的方法,程序产品和系统。 服务器计算机可以从位于无线通信网络的接入点的通信范围内的位置感知移动设备(例如,支持GPS的设备)接收位置信息。 服务器计算机可以使用每个接入点的接收位置来计算平均地理位置。 根据平均地理位置,服务器计算机可以将接入点分配给地理网格的单元。 服务器计算机可以基于接入点和接收到的数据的流行度,稳定性,寿命和新鲜度来过滤每个小区中的接入点。 当第二移动设备连接到小区中的接入点时,服务器计算机可以将小区中和相邻小区中的接入点的位置发送到第二移动设备,使得可以估计第二移动设备的位置。