LOCATION-DETERMINATION METHOD AND APPARATUS
    81.
    发明申请
    LOCATION-DETERMINATION METHOD AND APPARATUS 审中-公开
    位置确定方法和设备

    公开(公告)号:WO0246786A3

    公开(公告)日:2002-10-31

    申请号:PCT/US0145828

    申请日:2001-12-03

    Abstract: Some embodiments of the invention provide a location-determination system that includes several transmitters and at least one receiver. Each transmitter transmits a signal that includes a unique periodically-repeating component, and the receiver receives a reference signal. Based on the received reference signal, the location-determination system identifies an estimated location of the receiver as follows. For each transmitter in a set of transmitters, the system computes a phase offset between the received reference signal and a replica of the transmitter's periodically-repeating component. The system also identifies an approximate location of the receiver and an approximate receive time for the received signal. The system then uses the identified approximate location and time, and the computed phase offsets, to compute pseudoranges for the set of transmitters. Finally, the system identifies the estimated location of the receiver by using the computed pseudoranges.

    Abstract translation: 本发明的一些实施例提供了一种包括多个发射机和至少一个接收机的位置确定系统。 每个发射机发射包括唯一的周期性重复分量的信号,并且接收机接收参考信号。 基于接收到的参考信号,位置确定系统如下识别接收器的估计位置。 对于一组发射机中的每个发射机,系统计算接收到的参考信号与发射机周期性重复组件的副本之间的相位偏移。 该系统还识别接收器的近似位置和接收信号的近似接收时间。 系统然后使用所识别的大致位置和时间以及所计算的相位偏移量来计算该组发射机的伪距。 最后,系统通过使用计算出的伪距识别接收器的估计位置。

    POSITION INFORMATION NOTIFYING SYSTEM AND METHOD
    82.
    发明申请
    POSITION INFORMATION NOTIFYING SYSTEM AND METHOD 审中-公开
    位置信息通知系统和方法

    公开(公告)号:WO02054799A1

    公开(公告)日:2002-07-11

    申请号:PCT/JP2000/009390

    申请日:2000-12-28

    CPC classification number: H04W4/02 G01S5/0072 G01S19/42 H04W8/08 H04W8/14

    Abstract: At least one preset radio terminals (101, 102) are registered in advance as a group in an administration station (108) connected to a switched network (104), a position information acquisition request for a desired group is made from a position information acquisition terminal such as a portable phone (103), the administration station (108) requests the transmission of current position information to all the radio terminals (101, 102) in a group responding to that request, each radio terminal (101, 102) receiving this request determines the current position of own terminal on receiving radio wave from GPS satellites (109, 110) for transmission to the administration station (108), the station (108) returns the received current position information to the portable phone (103) requesting a position information acquisition, and the portable phone (103) displays the current position of each radio terminal matching the current position information.

    Abstract translation: 在连接到交换网络(104)的管理站(108)中预先登记至少一个预设的无线电终端(101,102)作为组,从位置信息获取中选择所需组的位置信息获取请求 终端如便携式电话(103),管理站(108)向响应于该请求的组中的所有无线终端(101,102)请求发送当前位置信息,每个无线终端(101,102)接收 该请求确定自身终端在接收来自GPS卫星(109,110)的无线电波的发送到管理站(108)的当前位置,站(108)将接收到的当前位置信息返回给便携式电话(103),请求 位置信息获取,并且便携式电话(103)显示与当前位置信息相匹配的每个无线电终端的当前位置。

    SYSTEM FOR TRACKING A MOVING OBJECT
    83.
    发明申请
    SYSTEM FOR TRACKING A MOVING OBJECT 审中-公开
    跟踪移动对象的系统

    公开(公告)号:WO02033437A1

    公开(公告)日:2002-04-25

    申请号:PCT/FR2001/003216

    申请日:2001-10-17

    Abstract: The invention concerns a system for tracking a moving object from a control station, using signals transmitted by satellites of a positioning system and relayed by a transponder mounted on the mobile and which performs, when passing, a frequency change on the signals coming from the positioning system satellites. The invention also concerns specific demodulation circuits in reception, in a control station, enabling to obtain coherent measurements of pseudo-distances and pseudo-speeds.

    Abstract translation: 本发明涉及一种用于从控制站跟踪运动物体的系统,使用由定位系统的卫星发射并由安装在移动台上的应答器进行中继的信号,并且当通过来自定位的信号的频率变化时执行 系统卫星。 本发明还涉及在控制站中的接收中的特定解调电路,使得能够获得伪距离和伪速度的相干测量。

    METHOD TO CONTROL THE UPDATE FREQUENCY OF A POSITIONING DEVICE BY A MOBILE TERMINAL
    84.
    发明申请
    METHOD TO CONTROL THE UPDATE FREQUENCY OF A POSITIONING DEVICE BY A MOBILE TERMINAL 审中-公开
    通过移动终端控制定位装置的更新频率的方法

    公开(公告)号:WO02021478A2

    公开(公告)日:2002-03-14

    申请号:PCT/US2001/041630

    申请日:2001-08-08

    CPC classification number: G01S19/42 G01S19/34 G01S2205/008

    Abstract: A mobile radiocommunications terminal contains or is operatively connected to a position estimator, such as a GPS receiver. The mobile terminal stores at least one reference position. The mobile terminal updates its position at a frequency that is a function of its distance from the reference position, or as a function of the rate of change of its distance from the reference position.

    Abstract translation: 移动无线电通信终端包含或可操作地连接到诸如GPS接收机的位置估计器。 移动终端存储至少一个参考位置。 移动终端以其与参考位置的距离的函数的频率或者作为其与参考位置的距离的变化率的函数的函数来更新其位置。

    PERSONAL GOLFING ASSISTANT
    85.
    发明申请
    PERSONAL GOLFING ASSISTANT 审中-公开
    个人高尔夫助手

    公开(公告)号:WO0197926A8

    公开(公告)日:2002-01-24

    申请号:PCT/US0119284

    申请日:2001-06-15

    Applicant: EVALTEC

    Abstract: A personal golfing assistant system is comprised of software running on a PDA that is attached either directly or remotely to a GPS receiver that enables the user to engage in a process of easily surveying and/or electronically capturing geophysical data pertinent to the game of golf such as the location of the center of the green, zones on the green, bunkers, water, trees, hazards, etc. Software allows a golfer to use a handheld PDA/GPS unit in the course of play to mark a ball location automatically and/or determine the distance to various targets and avoidance objects and add additional objects. The system can send a set of parameters tailored for a specific course to a real-time tunable GPS to adjust for optimal performance and can adjust measurements to compensate for changes in environmental conditions. Software analyzes golf data and generates useful statistics.

    Abstract translation: 个人高尔夫助理系统由在PDA上运行的软件组成,该软件直接或远程连接到GPS接收器,该GPS接收器使用户能够参与易于测量和/或电子地捕获与高尔夫游戏有关的地球物理数据的过程, 作为绿色中心的位置,绿色区域,沙坑,水,树木,危险等等。软件允许高尔夫球手在游戏过程中使用掌上PDA / GPS单元自动标记球位置和/ 或确定到各种目标和回避对象的距离,并添加其他对象。 该系统可以将针对特定课程定制的一组参数发送到实时可调GPS,以调整最佳性能,并可以调整测量值以补偿环境条件的变化。 软件分析高尔夫数据并产生有用的统计数据。

    AN ASSET AND PERSONNEL TAGGING SYSTEM UTILIZING GPS
    86.
    发明申请
    AN ASSET AND PERSONNEL TAGGING SYSTEM UTILIZING GPS 审中-公开
    使用GPS的资产和人员标签系统

    公开(公告)号:WO00068907A1

    公开(公告)日:2000-11-16

    申请号:PCT/US2000/012297

    申请日:2000-05-04

    Abstract: A system for tracking objects outdoors. Tags (202) attached to objects such as trailers include GPS receivers (203). Tags transmit uncorrected position and satellite data to a base station (205), where differential corrections are applied, providing 2-5 meter accuracy of the position of the tag and object. Tags are on a low duty cycle. When a tag powers on, it receives accurate time and current satellite data from the base station, enabling the tags to acquire the satellite signal quickly and with minimum power consumption. When a tag is out of base station range, the tag periodically calculates and archives its position. The tag may also include Real Time Locating Systems technology, to enable tracking to continue when the tag moves indoors and becomes inacessible to GPS satellite signals.

    Abstract translation: 用于在户外追踪物品的系统。 连接到诸如拖车的对象的标签(202)包括GPS接收器(203)。 标签将未校正的位置和卫星数据发送到基站(205),其中应用差分校正,提供标签和对象的位置的2-5米精度。 标签处于低占空比。 当标签上电时,它从基站接收准确的时间和当前的卫星数据,使得标签能够以最小的功耗快速获取卫星信号。 当标签超出基站范围时,标签周期性地计算并归档其位置。 该标签还可以包括实时定位系统技术,以便当标签在室内移动而变得不可用于GPS卫星信号时,能够继续跟踪。

    METHOD AND APPARATUS FOR SATELLITE POSITIONING SYSTEM BASED TIME MEASUREMENT
    89.
    发明申请
    METHOD AND APPARATUS FOR SATELLITE POSITIONING SYSTEM BASED TIME MEASUREMENT 审中-公开
    基于卫星定位系统的时间测量方法与装置

    公开(公告)号:WO98034164A1

    公开(公告)日:1998-08-06

    申请号:PCT/US1998/001476

    申请日:1998-01-26

    Abstract: A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first record is compared with a second record of the satellite data message, where the first record and the second record overlap at least partially in time. Then a time is determined from this comparison, and this time indicates when the first record (or the source from which the first record was obtained) was received at a remote entity which is typically a mobile SPS receiver. Various other methods of the invention are described and various apparatuses of the invention are also described. The methods and apparatuses measure time of day using SPS signals without reading the satellite data messages which are transmitted as data within these signals. The methods and apparatuses are suitable for situations in which the received signal level is too weak to allow reading of the satellite data messages.

    Abstract translation: 用于测量与卫星定位系统(SPS)一起使用的卫星数据消息相关时间的方法和装置。 在一种方法中,在通常是基站的实体处接收卫星数据消息的至少一部分的第一记录。 第一个记录与卫星数据消息的第二个记录进行比较,其中第一个记录和第二个记录至少部分地在时间上重叠。 然后从该比较确定一个时间,并且此时表示何时在通常为移动SPS接收机的远程实体处接收到第一记录(或获得第一记录的源)的时间。 还描述了本发明的各种其它方法,并且还描述了本发明的各种装置。 方法和装置使用SPS信号测量时间,而不读取在这些信号内作为数据传输的卫星数据消息。 所述方法和装置适用于其中接收信号电平太弱而不能读取卫星数据消息的情况。

    GPS RELATIVE POSITION DETECTION SYSTEM
    90.
    发明申请
    GPS RELATIVE POSITION DETECTION SYSTEM 审中-公开
    GPS相对位置检测系统

    公开(公告)号:WO9714048A3

    公开(公告)日:1997-07-03

    申请号:PCT/US9616281

    申请日:1996-10-11

    Inventor: NORRIS ELWOOD G

    Abstract: A system of GPS devices which receive civilian GPS signals and provide an intuitive graphical interface for displaying the relative position of GPS devices in relation to each other, the relative position being accurate to several meters and defined as the distance to, direction of and height variance between GPS devices. A first GPS device with the person or object to be located transmits its GPS determined location to a second GPS device. This second GPS device includes a means for receiving the GPS determined position of the first GPS device, and also includes means for calculating the relative position of the first GPS device relative to the second GPS device based on a comparison of the received telemetry of the first GPS device and its own GPS determined position. The relative position of the first device is then graphically displayed on an interface of the second GPS device in a manner which eliminates the need for a map in order to travel to the location of the first GPS device. While providing an interface which displays a relative position of the first GPS device, this information remains accurate no matter how the orientation of the second GPS device changes with respect to a compass.

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