Method and system for propagating GNSS assistance data among communication devices in a GNSS group
    1.
    发明授权
    Method and system for propagating GNSS assistance data among communication devices in a GNSS group 有权
    用于在GNSS组中的通信设备之间传播GNSS辅助数据的方法和系统

    公开(公告)号:US08350755B2

    公开(公告)日:2013-01-08

    申请号:US12748212

    申请日:2010-03-26

    IPC分类号: G01S19/05 G01S19/25

    CPC分类号: G01S19/05 G01S19/27

    摘要: A communication device within a GNSS group propagates GNSS assistance data to one or more other communication devices in the GNSS group utilizing direct device-to-device connections. The GNSS assistance data comprises ephemeris received from one or more GNSS satellites and/or predicted ephemeris. As a source device, the communication device generates, and/or acquires from other resources such as a remote location server, the predicted ephemeris. As a destination device, the communication device receives existing GNSS assistance data from a source device and/or other communication devices in the GNSS group. A GNSS position for the communication device and corresponding time information are used to refresh the received GNSS assistance data. In instances where the communication device further acts as a relay device, the refreshed GNSS assistance data is relayed to other communication devices over wired and/or wireless direct device-to-device connections utilizing appropriate communication technologies such as WiFi, Bluetooth and/or Bluetooth low energy.

    摘要翻译: GNSS组内的通信设备使用直接的设备到设备连接将GNSS辅助数据传播到GNSS组中的一个或多个其他通信设备。 GNSS辅助数据包括从一个或多个GNSS卫星和/或预测星历接收的星历。 作为源设备,通信设备生成和/或从诸如远程位置服务器的其他资源获取预测星历。 作为目的地设备,通信设备从GNSS设备和/或其他通信设备接收现有的GNSS辅助数据。 用于通信设备的GNSS位置和对应的时间信息用于刷新接收到的GNSS辅助数据。 在通信设备进一步充当中继设备的情况下,通过使用适当的通信技术(例如WiFi,蓝牙和/或蓝牙),刷新的GNSS辅助数据通过有线和/或无线直接设备到设备连接中继到其他通信设备 低能量。

    Method and System for a Virtual Wide Area GNSS Reference Network
    2.
    发明申请
    Method and System for a Virtual Wide Area GNSS Reference Network 有权
    用于虚拟广域GNSS参考网络的方法和系统

    公开(公告)号:US20120075140A1

    公开(公告)日:2012-03-29

    申请号:US13313149

    申请日:2011-12-07

    IPC分类号: G01S19/05

    CPC分类号: G01S19/05

    摘要: 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.

    摘要翻译: 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。

    Method and system for a virtual wide area GNSS reference network
    3.
    发明授权
    Method and system for a virtual wide area GNSS reference network 有权
    虚拟广域GNSS参考网络的方法和系统

    公开(公告)号:US08085194B2

    公开(公告)日:2011-12-27

    申请号:US12503954

    申请日:2009-07-16

    IPC分类号: G01S19/05

    CPC分类号: G01S19/05

    摘要: 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.

    摘要翻译: 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跟踪站不接收或不接收信号。 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。

    METHOD AND SYSTEM FOR CELLULAR CLOCK-ASSISTED WIRELESS ACCESS POINT LOCATING
    4.
    发明申请
    METHOD AND SYSTEM FOR CELLULAR CLOCK-ASSISTED WIRELESS ACCESS POINT LOCATING 审中-公开
    用于细胞时钟辅助无线接入点位置的方法和系统

    公开(公告)号:US20110207472A1

    公开(公告)日:2011-08-25

    申请号:US12748225

    申请日:2010-03-26

    IPC分类号: H04W64/00

    CPC分类号: A47G33/00

    摘要: A wireless access point comprising a cellular receiver receives radio signals from a cellular base station. A cellular reference clock, synchronized to the cellular base station, is detected from the received radio signals. The detected cellular reference clock is utilized to stabilize a local access point clock for GNSS positioning. A clock difference between the local access point clock and the detected cellular reference clock is determined and the local access point clock may be adjusted accordingly. The adjusted local access point clock is utilized for clocking communications between the wireless access point and other communication devices. A time offset between the adjusted local access point clock and the detected cellular reference clock is provided to a remote location server. The remote location server retrieves time offset information from wireless access points served by the cellular base station so as to determine relative distances among the wireless access points.

    摘要翻译: 包括蜂窝接收器的无线接入点从蜂窝基站接收无线电信号。 从接收到的无线电信号中检测到与蜂窝基站同步的蜂窝基准时钟。 检测到的蜂窝基准时钟用于稳定用于GNSS定位的本地接入点时钟。 确定本地接入点时钟与检测到的蜂窝基准时钟之间的时钟差,并且相应地调整本地接入点时钟。 经调整的本地接入点时钟用于对无线接入点和其他通信设备之间的通信进行时钟。 调整后的本地接入点时钟与检测到的蜂窝基准时钟之间的时间偏移被提供给远程位置服务器。 远程位置服务器从蜂窝基站服务的无线接入点检索时间偏移信息,以便确定无线接入点之间的相对距离。

    METHOD AND SYSTEM FOR OPTIMIZING USER-LEVEL QoS DURING A LOCATION-BASED HANDOFF OVER HETEROGENEOUS MOBILE ENVIRONMENTS
    5.
    发明申请
    METHOD AND SYSTEM FOR OPTIMIZING USER-LEVEL QoS DURING A LOCATION-BASED HANDOFF OVER HETEROGENEOUS MOBILE ENVIRONMENTS 审中-公开
    在异位移动环境下基于位置的手动优化中优化用户级QoS的方法和系统

    公开(公告)号:US20110201336A1

    公开(公告)日:2011-08-18

    申请号:US12729208

    申请日:2010-03-22

    IPC分类号: H04W36/34

    CPC分类号: H04W36/0066 H04W36/30

    摘要: A multi-radio mobile device receives data transmission of a session from a serving access network in a heterogeneous network system comprising difference access networks. A handoff is performed based on the received data transmissions. User-level QoS for the wireless communication session is adjusted during the handoff based on connection QoS information in the current location of the multi-radio mobile device and/or a velocity of the multi-radio mobile device. Location-based network connection information, comprising call drop information and the connection QoS information, in the current location of the multi-radio mobile device is acquired from a location server. A target access network or a different base station in the serving access network associated with the highest connection QoS is selected. The user-level QoS is adjusted during the handoff for receiving the wireless communication session from the selected target access network or the different base station in the serving access network.

    摘要翻译: 多无线电移动设备在包括不同接入网络的异构网络系统中从服务接入网接收会话的数据传输。 基于所接收的数据传输来执行切换。 基于多无线电移动设备的当前位置中的连接QoS信息和/或多无线电移动设备的速度,在切换期间调整无线通信会话的用户级QoS。 从位置服务器获取在多无线电移动设备的当前位置中包括呼叫丢弃信息和连接QoS信息的基于位置的网络连接信息。 选择与最高连接QoS相关联的服务接入网络中的目标接入网络或不同的基站。 在切换期间调整用户级QoS,以从所选择的目标接入网络或服务接入网络中的不同基站接收无线通信会话。

    SENSOR-ASSISTED LOCATION-AWARE MOBILE DEVICE
    6.
    发明申请
    SENSOR-ASSISTED LOCATION-AWARE MOBILE DEVICE 有权
    传感器辅助位置识别移动设备

    公开(公告)号:US20110199259A1

    公开(公告)日:2011-08-18

    申请号:US12748240

    申请日:2010-03-26

    IPC分类号: G01S19/45

    CPC分类号: G01S19/48

    摘要: A GNSS enabled mobile device moves from a first area where GNSS signal quality and/or level is above a threshold to a second area where GNSS signal quality and/or level is below the threshold. The GNSS enabled mobile device in the second area determines its own location utilizing previous GNSS measurements in the first area. GNSS signals are received to calculate GNSS measurements whenever the GNSS enabled mobile device is in the first area. The calculated GNSS measurements are utilized to determine a location of the GNSS enabled mobile device within the first area. The GNSS enabled mobile device in the second area utilizes the most current GNSS measurements in the first area to determine its own location. Sensors such as an image sensor, a light sensor, an audio sensor and/or a location sensor are used to refine the location of the GNSS enabled mobile device in the second area.

    摘要翻译: 支持GNSS的移动设备从GNSS信号质量和/或电平高于阈值的第一区域移动到GNSS信号质量和/或电平低于阈值的第二区域。 第二区域中的支持GNSS的移动设备利用在第一区域中的先前的GNSS测量来确定其自己的位置。 每当GNSS使能的移动设备处于第一区域时,GNSS信号被接收以计算GNSS测量。 所计算的GNSS测量用于确定在第一区域内支持GNSS的移动设备的位置。 第二区域中支持GNSS的移动设备利用第一区域中最新的GNSS测量来确定其自己的位置。 诸如图像传感器,光传感器,音频传感器和/或位置传感器的传感器被用来改善在第二区域中支持GNSS的移动设备的位置。

    Method and system for a virtual wide area GNSS reference network
    7.
    发明授权
    Method and system for a virtual wide area GNSS reference network 有权
    虚拟广域GNSS参考网络的方法和系统

    公开(公告)号:US08638258B2

    公开(公告)日:2014-01-28

    申请号:US13613285

    申请日:2012-09-13

    IPC分类号: G01S19/05

    CPC分类号: G01S19/05

    摘要: 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.

    摘要翻译: 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。

    METHOD AND SYSTEM FOR PHYSICAL MAP-ASSISTED WIRELESS ACCESS POINT LOCATING
    8.
    发明申请
    METHOD AND SYSTEM FOR PHYSICAL MAP-ASSISTED WIRELESS ACCESS POINT LOCATING 审中-公开
    用于物理地图辅助无线接入点位置的方法和系统

    公开(公告)号:US20110201360A1

    公开(公告)日:2011-08-18

    申请号:US12729197

    申请日:2010-03-22

    IPC分类号: H04W24/00

    摘要: A mobile device receives a server-assisted location for a wireless access point, either a WiFi access point or a Bluetooth access point, from a remote location server comprising a reference database. The received server-assisted location is refined using a physical map or image. The mobile device is operable to acquire the physical map or image for a map-assisted location for the wireless access point. The mobile device compares the two locations to generate a valid location for the wireless access point. In instances where the two locations are consistent, the mobile device utilizes one of the two locations as the valid location for the wireless access point. Otherwise, the mobile device refines the server-assisted location utilizing the map-assisted location. The resulting refined server-assisted location is utilized as the valid location for the wireless access point and is transmitted to the remote location server to refine the reference database.

    摘要翻译: 移动设备从包括参考数据库的远程位置服务器接收用于无线接入点(WiFi接入点或蓝牙接入点)的服务器辅助位置。 接收到的服务器辅助位置使用物理地图或图像进行细化。 移动设备可操作以获取用于无线接入点的地图辅助位置的物理地图或图像。 移动设备比较两个位置以产生无线接入点的有效位置。 在两个位置一致的情况下,移动设备利用两个位置之一作为无线接入点的有效位置。 否则,移动设备利用地图辅助位置来优化服务器辅助位置。 所得到的精细服务器辅助位置被用作无线接入点的有效位置,并被发送到远程位置服务器以优化参考数据库。

    METHOD AND SYSTEM FOR DETERMINING THE LOCATION OF A WIRELESS ACCESS POINT USING SINGLE DEVICE BASED POWER MEASUREMENTS
    9.
    发明申请
    METHOD AND SYSTEM FOR DETERMINING THE LOCATION OF A WIRELESS ACCESS POINT USING SINGLE DEVICE BASED POWER MEASUREMENTS 审中-公开
    使用基于单个设备的功率测量来确定无线接入点的位置的方法和系统

    公开(公告)号:US20110199916A1

    公开(公告)日:2011-08-18

    申请号:US12729184

    申请日:2010-03-22

    IPC分类号: H04B7/005 H04L12/26

    CPC分类号: H04W64/003

    摘要: A mobile device measures power from different locations for an encountered wireless access point, a WiFi or Bluetooth access point, and communicates the power measurements to a remote location. The remote location server collects power measurements for the encountered wireless access point from a plurality of communication devices. The remote location server determines the location of the encountered wireless access point utilizing corresponding power measurements from a single communication device. The power measurements are performed at different locations and over a period of time. The power measurements are time stamped and transmitted to the remote location server. The single communication device is selected based on quality and/or availability of corresponding power measurements for the encountered wireless access point. The determined location of the encountered wireless access point is stored into a reference database so as to be shared among the plurality of communication devices.

    摘要翻译: 移动设备测量遇到的无线接入点,WiFi或蓝牙接入点的不同位置的功率,并将功率测量传送到远程位置。 远程位置服务器从多个通信设备收集遇到的无线接入点的功率测量。 远程位置服务器使用来自单个通信设备的相应功率测量来确定遇到的无线接入点的位置。 功率测量在不同的位置和一段时间内进行。 功率测量被时间戳并传输到远程位置服务器。 基于遇到的无线接入点的相应功率测量的质量和/或可用性选择单个通信设备。 所确定的遇到的无线接入点的位置被存储在参考数据库中,以便在多个通信设备之间共享。

    BUILDING A LOCATION BASED SERVICE REFERENCE DATABASE BASED ON ENCOUNTERED RFID TAGS
    10.
    发明申请
    BUILDING A LOCATION BASED SERVICE REFERENCE DATABASE BASED ON ENCOUNTERED RFID TAGS 审中-公开
    基于已知RFID标签构建基于位置的服务参考数据库

    公开(公告)号:US20110199185A1

    公开(公告)日:2011-08-18

    申请号:US12748194

    申请日:2010-03-26

    IPC分类号: G08B5/22

    CPC分类号: H04W4/029 H04L67/12 H04L67/18

    摘要: 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.

    摘要翻译: 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。