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    • 3. 发明授权
    • Method and system for a virtual wide area GNSS reference network
    • 虚拟广域GNSS参考网络的方法和系统
    • US08638258B2
    • 2014-01-28
    • US13613285
    • 2012-09-13
    • Charles AbrahamDavid Albert Lundgren
    • Charles AbrahamDavid Albert Lundgren
    • G01S19/05
    • G01S19/05
    • A GNSS enabled mobile device receives GNSS assistance data in a determined format from a central processing station communicatively coupled to a wide area reference network (WARN). The WARN comprises a first plurality of GNSS tracking stations from which usable signals are received by the central processing station, and a second plurality of GNSS tracking stations from which unusable or no signals are received by the central processing station. The central processing station generates the GNSS assistance data using a complete set of GNSS reference feeds of the WARN. The complete set of GNSS reference feeds comprises actual GNSS reference feeds from the first plurality of GNSS tracking stations and virtual GNSS reference feeds derived for the second plurality of GNSS tracking stations from processed actual GNSS reference feeds. The generated GNSS assistance data is reformatted into a determined format and is communicated to the GNSS enabled mobile device, accordingly.
    • 支持GNSS的移动设备从通信地耦合到广域参考网络(WARN)的中央处理站接收确定格式的GNSS辅助数据。 该WARN包括第一多个GNSS跟踪站,中央处理站从其中接收可用信号;以及第二多个GNSS跟踪站,中央处理站从该GNSS跟踪站不可用或没有信号被接收。 中央处理站使用WARN的一套完整的GNSS参考资料来生成GNSS辅助数据。 完整的GNSS参考馈送集合包括来自第一多个GNSS跟踪站的实际GNSS参考馈送以及从处理的实际GNSS参考馈送为第二多个GNSS跟踪站导出的虚拟GNSS参考馈送。 生成的GNSS辅助数据被重新格式化为确定的格式,并相应地传送给支持GNSS的移动设备。
    • 7. 发明申请
    • METHOD AND SYSTEM FOR LOCATING A FEMTOCELL USING MEASUREMENT REPORTS
    • 使用测量报告定位FEMTOCELL的方法和系统
    • US20110201349A1
    • 2011-08-18
    • US12754099
    • 2010-04-05
    • Manuel del CastilloDavid Albert Lundgren
    • Manuel del CastilloDavid Albert Lundgren
    • H04W24/00
    • H04W64/003H04W84/045
    • A Femtocell measures power from a serving and/or neighboring base stations in a radio access network specified in, for example, 3GPP, 3GPP2 and/or WiMAX. The power measurements are transmitted over a broadband IP network to a location server coupled to an associated mobile core network. Related location information comprising reference positions and/or actual location of the Femtocell are received from the location server over the broadband IP network. The Femtocell generates measurement reports of a serving and/or neighboring base stations in the radio access network. The generated measurement reports are transmitted to the location server over the broadband IP network. The location server identifies the reference positions of the Femtocell from a reference database based on the received measurement reports for calculating the location of the Femtocell by the location server and/or by the Femtocell itself. The calculated location of the Femtocell is used to update the reference database.
    • 毫微微小区测量来自例如3GPP,3GPP2和/或WiMAX中指定的无线电接入网络中的服务和/或相邻基站的功率。 功率测量通过宽带IP网络传输到耦合到相关移动核心网络的位置服务器。 通过宽带IP网络从位置服务器接收包括毫微微蜂窝基站的参考位置和/或实际位置的相关位置信息。 毫微微蜂窝基站产生无线电接入网络中的服务和/或相邻基站的测量报告。 生成的测量报告通过宽带IP网络传输到位置服务器。 位置服务器基于所接收的用于由位置服务器和/或由毫微微蜂窝本身计算毫微微蜂窝的位置的测量报告来识别毫微微蜂窝基站从参考数据库的参考位置。 计算的毫微微蜂窝的位置用于更新参考数据库。
    • 9. 发明申请
    • BUILDING A LOCATION BASED SERVICE REFERENCE DATABASE BASED ON ENCOUNTERED RFID TAGS
    • 基于已知RFID标签构建基于位置的服务参考数据库
    • US20110199185A1
    • 2011-08-18
    • US12748194
    • 2010-03-26
    • Jeyhan KaraoguzCharles AbrahamMark BuerDavid GarrettDavid Albert LundgrenDavid Murray
    • Jeyhan KaraoguzCharles AbrahamMark BuerDavid GarrettDavid Albert LundgrenDavid Murray
    • G08B5/22
    • H04W4/029H04L67/12H04L67/18
    • A RFID reader of a RFID enabled mobile device receives RFID information from a RFID tag attached to an object. In instances where the RFID enabled mobile device is GNSS enabled, a GNSS position of the RFID enabled mobile device is determined to associate, for example, by location stamping, with the received RFID information. The location-stamped RFID information is communicated to a remote location server, where location-based RFID information is received from a plurality of users. The RFID enabled mobile device may communicate at least a portion of the received RFID information to the remote location server. When GNSS is not enabled, the RFID enabled mobile device estimates its own location utilizing location information, if available, for the object in the received RFID information. Otherwise, the RFID enabled mobile device acquires location-based RFID information from the remote location server so as to determine its own location.
    • RFID启用移动设备的RFID读取器从附接到对象的RFID标签接收RFID信息。 在启用RFID的移动设备被启用GNSS的情况下,确定RFID启用的移动设备的GNSS位置,例如通过位置戳与所接收的RFID信息相关联。 位置标记的RFID信息被传送到远程位置服务器,其中从多个用户接收基于位置的RFID信息。 启用RFID的移动设备可以将所接收的RFID信息的至少一部分通信到远程位置服务器。 当未启用GNSS时,RFID使能的移动设备使用所接收的RFID信息中的对象的位置信息(如果可用)估计其自己的位置。 否则,启用RFID的移动设备从远程位置服务器获取基于位置的RFID信息,以便确定其自己的位置。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR DYNAMIC WIRELESS NODE CAPTURE FOR A LBS SERVER, CLIENT, AND REFERENCE DATABASE
    • 用于LBS服务器,客户端和参考数据库的动态无线节点捕获的方法和系统
    • US20100259444A1
    • 2010-10-14
    • US12690007
    • 2010-01-19
    • Andrei KosolobovDavid Albert Lundgren
    • Andrei KosolobovDavid Albert Lundgren
    • G01S19/05
    • G01S5/0252H04L67/18H04W4/029H04W64/00
    • A GNSS capable LBS client device sends a device RF environment report to a location server and subsequently receives a capture profile from the location server. A new RF environment report is generated according to the received capture profile. The device RF environment report comprises various encountered RF information, for example, state of radios, state of power and/or memory resource, and/or positioning variables. The received capture profile comprises information of a desired RF environment report expected from the GNSS capable LBS client device. The capture profile is determined according to the received RF environment report and a reference database. Desired RF environment data are captured according to the received capture profile, and time and location stamped to generate the new device RF environment report, which is sent to the location server to update the reference database to enhance locating the GNSS capable LBS client device when need.
    • 支持GNSS的LBS客户端设备将设备RF环境报告发送到位置服务器,随后从位置服务器接收捕获简档。 根据收到的捕获配置文件生成新的RF环境报告。 设备RF环境报告包括各种遇到的RF信息,例如无线电状态,功率状态和/或存储器资源,和/或定位变量。 接收到的捕获简档包括从能够GNSS的LBS客户端设备预期的期望RF环境报告的信息。 根据接收的RF环境报告和参考数据库确定捕获分布。 期望的RF环境数据根据接收到的捕获配置文件捕获,并且时间和位置被标记以生成新的设备RF环境报告,其被发送到位置服务器以更新参考数据库以增强在需要时定位具有GNSS能力的LBS客户端设备 。