SYSTEM AND METHOD TO OBTAIN SIGNAL ACQUISITION ASSISTANCE DATA
    1.
    发明申请
    SYSTEM AND METHOD TO OBTAIN SIGNAL ACQUISITION ASSISTANCE DATA 有权
    获取信号获取辅助数据的系统和方法

    公开(公告)号:US20120220294A1

    公开(公告)日:2012-08-30

    申请号:US13214055

    申请日:2011-08-19

    IPC分类号: H04W24/00

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    摘要翻译: 获得信号获取辅助数据,用于接收诸如无线位置辅助位置设备之类的设备,寻找来自诸如卫星车辆和基站的任何来源的信号。 可以基于对可能危及有效性的诸如时间和位置的参数的变化的评估,从先前获取的数据获得数据。 在某些情况下,可能会根据参数的变化调整数据。 精细数据可以由接收机使用信号组的部分测量来计算,特别是如果由远程实体提供的获取辅助数据包含比通常提供的更多不同参数。 除非先前数据的有效性由于使用多普勒系数的时间外推的限制而过期,否则不需要获得新数据,除非检测到无法补偿的移动台移动,并且危及先前数据的有效性。

    System and method to obtain signal acquisition assistance data
    2.
    发明授权
    System and method to obtain signal acquisition assistance data 有权
    获取信号采集辅助数据的系统和方法

    公开(公告)号:US08031113B2

    公开(公告)日:2011-10-04

    申请号:US10554629

    申请日:2004-04-02

    IPC分类号: G01S19/25

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    摘要翻译: 获得信号获取辅助数据,用于接收诸如无线位置辅助位置设备之类的设备,寻找来自诸如卫星车辆和基站的任何来源的信号。 可以基于对可能危及有效性的诸如时间和位置的参数的变化的评估,从先前获取的数据获得数据。 在某些情况下,可能会根据参数的变化调整数据。 精细数据可以由接收机使用信号组的部分测量来计算,特别是如果由远程实体提供的获取辅助数据包含比通常提供的更多不同参数。 除非先前数据的有效性由于使用多普勒系数的时间外推的限制而过期,否则不需要获得新数据,除非检测到无法补偿的移动台移动,并且危及先前数据的有效性。

    System and method to obtain signal acquisition assistance data

    公开(公告)号:US08519887B2

    公开(公告)日:2013-08-27

    申请号:US13214070

    申请日:2011-08-19

    IPC分类号: G01S19/25

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    System and method to obtain signal acquisition assistance data

    公开(公告)号:US08711036B2

    公开(公告)日:2014-04-29

    申请号:US13214062

    申请日:2011-08-19

    IPC分类号: G01S19/25

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    SYSTEM AND METHOD TO OBTAIN SIGNAL ACQUISITION ASSISTANCE DATA

    公开(公告)号:US20120040689A1

    公开(公告)日:2012-02-16

    申请号:US13214047

    申请日:2011-08-19

    IPC分类号: H04W24/00

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    System and method to obtain signal acquisition assistance data
    6.
    发明授权
    System and method to obtain signal acquisition assistance data 有权
    获取信号采集辅助数据的系统和方法

    公开(公告)号:US08692711B2

    公开(公告)日:2014-04-08

    申请号:US13214047

    申请日:2011-08-19

    IPC分类号: G01S19/25

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    摘要翻译: 获得信号获取辅助数据,用于接收诸如无线位置辅助位置设备之类的设备,寻找来自诸如卫星车辆和基站的任何来源的信号。 可以基于对可能危及有效性的诸如时间和位置的参数的变化的评估,从先前获取的数据获得数据。 在某些情况下,可能会根据参数的变化调整数据。 精细数据可以由接收机使用信号组的部分测量来计算,特别是如果由远程实体提供的获取辅助数据包含比通常提供的更多不同参数。 除非先前数据的有效性由于使用多普勒系数的时间外推的限制而过期,否则不需要获得新数据,除非检测到无法补偿的移动台移动,并且危及先前数据的有效性。

    System and method to obtain signal acquisition assistance data
    7.
    发明授权
    System and method to obtain signal acquisition assistance data 有权
    获取信号采集辅助数据的系统和方法

    公开(公告)号:US08432312B2

    公开(公告)日:2013-04-30

    申请号:US13214055

    申请日:2011-08-19

    IPC分类号: G01S19/25

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    摘要翻译: 获得信号获取辅助数据,用于接收诸如无线位置辅助位置设备之类的设备,寻找来自诸如卫星车辆和基站的任何来源的信号。 可以基于对可能危及有效性的诸如时间和位置的参数的变化的评估,从先前获取的数据获得数据。 在某些情况下,可能会根据参数的变化调整数据。 精细数据可以由接收机使用信号组的部分测量来计算,特别是如果由远程实体提供的获取辅助数据包含比通常提供的更多不同参数。 除非先前数据的有效性由于使用多普勒系数的时间外推的限制而过期,否则不需要获得新数据,除非检测到无法补偿的移动台移动,并且危及先前数据的有效性。

    Method and apparatus for increasing coherent integration length while receiving a positioning signal
    8.
    发明申请
    Method and apparatus for increasing coherent integration length while receiving a positioning signal 有权
    在接收定位信号时增加相干积分长度的方法和装置

    公开(公告)号:US20060114984A1

    公开(公告)日:2006-06-01

    申请号:US10991625

    申请日:2004-11-17

    IPC分类号: H04B1/66

    摘要: A receiving method and apparatus for increasing coherent integration length while receiving a positioning signal from transmitters such as GPS satellites. In order to compensate for frequency drifts that may occur in the positioning signal, a hypothesis is made as to the frequency drift, which is inserted into the receiving algorithm. Advantageously, the length of coherent integration can be increased at the expense of reducing the length of incoherent integration while keeping the total integration length the same, the net effect of which is an increase in signal detection sensitivity. The frequency drift hypothesis has any appropriate waveform; for example, approximately linear or exponential. The hypothesized frequency drift can be inserted into the receiver algorithm in any suitable place; for example, the data block may be adjusted for the hypothesized frequency drift, alternatively the reference signal may be adjusted, or the frequency samples of either the data block or the reference signal may be adjusted.

    摘要翻译: 一种用于在从诸如GPS卫星的发射机接收定位信号的同时增加相干积分长度的接收方法和装置。 为了补偿定位信号中可能出现的频率漂移,就会对插入到接收算法中的频率漂移进行假设。 有利地,相干积分的长度可以以降低非相干积分的长度为代价而增加,同时保持总积分长度相同,其净效应是信号检测灵敏度的增加。 频率漂移假说有任何适当的波形; 例如,大致线性或指数。 假设的频率漂移可以在任何合适的地方插入接收机算法; 例如,可以针对假设的频率漂移来调整数据块,或者可以调整参考信号,或者可以调整数据块或参考信号的频率样本。

    System and Method to Obtain Signal Acquisition Assistance Data
    9.
    发明申请
    System and Method to Obtain Signal Acquisition Assistance Data 有权
    获取信号获取辅助数据的系统和方法

    公开(公告)号:US20070275734A1

    公开(公告)日:2007-11-29

    申请号:US10554629

    申请日:2004-04-02

    IPC分类号: H04Q7/20

    摘要: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

    摘要翻译: 获得信号获取辅助数据,用于接收诸如无线位置辅助位置设备之类的设备,寻找来自诸如卫星车辆和基站的任何来源的信号。 可以基于对可能危及有效性的诸如时间和位置的参数的变化的评估,从先前获取的数据获得数据。 在某些情况下,可能会根据参数的变化调整数据。 精细数据可以由接收机使用信号组的部分测量来计算,特别是如果由远程实体提供的获取辅助数据包含比通常提供的更多不同参数。 除非先前数据的有效性由于使用多普勒系数的时间外推的限制而过期,否则不需要获得新数据,除非检测到无法补偿的移动台移动,并且危及先前数据的有效性。

    Method and apparatus for increasing coherent integration length while receiving a positioning signal
    10.
    发明授权
    Method and apparatus for increasing coherent integration length while receiving a positioning signal 有权
    在接收定位信号时增加相干积分长度的方法和装置

    公开(公告)号:US08254512B2

    公开(公告)日:2012-08-28

    申请号:US10991625

    申请日:2004-11-17

    IPC分类号: H04L7/00

    摘要: A receiving method and apparatus for increasing coherent integration length while receiving a positioning signal from transmitters such as GPS satellites. In order to compensate for frequency drifts that may occur in the positioning signal, a hypothesis is made as to the frequency drift, which is inserted into the receiving algorithm. Advantageously, the length of coherent integration can be increased at the expense of reducing the length of incoherent integration while keeping the total integration length the same, the net effect of which is an increase in signal detection sensitivity. The frequency drift hypothesis has any appropriate waveform; for example, approximately linear or exponential. The hypothesized frequency drift can be inserted into the receiver algorithm in any suitable place; for example, the data block may be adjusted for the hypothesized frequency drift, alternatively the reference signal may be adjusted, or the frequency samples of either the data block or the reference signal may be adjusted.

    摘要翻译: 一种用于在从诸如GPS卫星的发射机接收定位信号的同时增加相干积分长度的接收方法和装置。 为了补偿定位信号中可能出现的频率漂移,就会对插入到接收算法中的频率漂移进行假设。 有利地,相干积分的长度可以以减小非相干积分的长度为代价来增加,同时保持总积分长度相同,其净效应是信号检测灵敏度的增加。 频率漂移假说有任何适当的波形; 例如,大致线性或指数。 假设的频率漂移可以在任何合适的地方插入接收机算法; 例如,可以针对假设的频率漂移来调整数据块,或者可以调整参考信号,或者可以调整数据块或参考信号的频率样本。