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    Robust reference signal time difference measurements
    1.
    发明授权
    Robust reference signal time difference measurements 有权

    公开(公告)号：US10028096B2

    公开(公告)日：2018-07-17

    申请号：US15257808

    申请日：2016-09-06

    Applicant: QUALCOMM Incorporated

    Inventor： Amit Jain ,  Harisrinivas Chandrasekar ,  Borislav Ristic ,  Dinesh Subramani ,  Gautam Nirula ,  Prabhu Kandasamy

    IPC: H04W24/00 ,  H04W4/02 ,  H04W24/08 ,  G01S5/10 ,  G01S5/02

    Abstract: Disclosed embodiments pertain to combining Reference Signal Time Difference (RSTD) measurements from partial measurement sessions that result when a single measurement session is interrupted by one or more interruption events including Out of Service (OOS) or Inter-Frequency Handover (IFH) events. In some embodiments, first Time Of Arrival (TOA) measurements of cellular signals during a plurality of discontiguous partial measurement sessions separated by one or more interruption events may be obtained. Second TOA measurements based on a reference time source may be obtained for a plurality of the first TOA measurements from at least two partial measurement sessions. A cell associated with a second TOA measurement may be selected as a reference cell and for each non-reference cell associated with a second TOA measurement, a corresponding RSTD measurement may be obtained relative to the selected reference cell.

    METHODS, APPARATUSES, AND DEVICES FOR PROCESSING POSITIONING REFERENCE SIGNALS
    2.
    发明申请
    METHODS, APPARATUSES, AND DEVICES FOR PROCESSING POSITIONING REFERENCE SIGNALS 有权
    用于处理定位参考信号的方法，装置和装置

    公开(公告)号：US20150215729A1

    公开(公告)日：2015-07-30

    申请号：US14163907

    申请日：2014-01-24

    Applicant: QUALCOMM Incorporated

    Inventor： Guttorm R. Opshaug ,  Arash Mirbagheri ,  Borislav Ristic

    IPC: H04W4/02 ,  H04B7/08

    CPC classification number: H04W4/02 ,  G01S5/0215 ,  G01S5/0268 ,  G01S5/10 ,  H04B7/0802

    Abstract: Methods, apparatuses, and devices for processing Positioning Reference Signals (PRS) bursts are presented. In one example, a mobile device may acquire a first PRS burst transmitted from a base station through first transmitter antenna port and acquire a second PRS burst transmitted from a base station through a second antenna port. The mobile device may select between the first and second acquired PRS bursts for use in positioning operations such as observed time difference of arrival.

    Abstract translation: 提出了用于处理定位参考信号（PRS）脉冲串的方法，装置和装置。 在一个示例中，移动设备可以获取从基站通过第一发射机天线端口发送的第一PRS突发，并获取从基站通过第二天线端口发送的第二PRS突发。 移动设备可以在第一和第二获取的PRS突发之间进行选择，以用于诸如观察到的到达时间差的定位操作。

    ROBUST REFERENCE SIGNAL TIME DIFFERENCE MEASUREMENTS
    3.
    发明申请
    ROBUST REFERENCE SIGNAL TIME DIFFERENCE MEASUREMENTS 有权

    公开(公告)号：US20180070209A1

    公开(公告)日：2018-03-08

    申请号：US15257808

    申请日：2016-09-06

    Applicant: QUALCOMM Incorporated

    Inventor： Amit Jain ,  Harisrinivas Chandrasekar ,  Borislav Ristic ,  Dinesh Subramani ,  Gautam Nirula ,  Prabhu Kandasamy

    IPC: H04W4/02 ,  H04W24/08

    CPC classification number: H04W4/025 ,  G01S5/02 ,  G01S5/10 ,  H04W24/08

    Abstract: Disclosed embodiments pertain to combining Reference Signal Time Difference (RSTD) measurements from partial measurement sessions that result when a single measurement session is interrupted by one or more interruption events including Out of Service (OOS) or Inter-Frequency Handover (IFH) events. In some embodiments, first Time Of Arrival (TOA) measurements of cellular signals during a plurality of discontiguous partial measurement sessions separated by one or more interruption events may be obtained. Second TOA measurements based on a reference time source may be obtained for a plurality of the first TOA measurements from at least two partial measurement sessions. A cell associated with a second TOA measurement may be selected as a reference cell and for each non-reference cell associated with a second TOA measurement, a corresponding RSTD measurement may be obtained relative to the selected reference cell.

    METHOD FOR ASSIGNING PRS MUTING PATTERNS FOR RSTD MEASUREMENT ACQUISITION
    4.
    发明申请
    METHOD FOR ASSIGNING PRS MUTING PATTERNS FOR RSTD MEASUREMENT ACQUISITION 审中-公开
    用于分配用于RSTD测量获取的压缩模式的方法

    公开(公告)号：US20160080106A1

    公开(公告)日：2016-03-17

    申请号：US14846514

    申请日：2015-09-04

    Applicant: QUALCOMM Incorporated

    Inventor： Ramya Srinivasan ,  Guttorm Opshaug ,  Grant Alexander Marshall ,  Borislav Ristic ,  Sven Fischer

    IPC: H04K3/00

    CPC classification number: H04K3/90 ,  H04K3/25 ,  H04K3/65 ,  H04K2203/16 ,  H04W16/10 ,  H04W64/00

    Abstract: One or more sequences of binary values may be generated based on a length L and a duty cycle D, wherein duty cycle D denotes a percentage of a number of bits of value one in length L. Then, based on an identity of a cell, a sequence may be selected for use by a base station in muting its transmission of a positioning signal. The sequence which is selected may be used directly in muting with no change therein, or may be elongated followed by use of an elongated sequence in muting. When specific occasions are muted in the positioning signal, a mobile device may measure times of arrival of other positioning signals that are not muted. Two such measurements of arrival times may be used to compute a difference there between, for use as a difference measurement in a procedure to determine a location of the mobile device.

    Abstract translation: 可以基于长度L和占空比D来生成二进制值的一个或多个序列，其中占空比D表示长度L中值为1的比特数的百分比。然后，基于小区的身份， 可以选择一个序列来供基站在使其定位信号的发送静音时使用。 所选择的序列可以直接用于静音而不改变，或者可以被拉长，然后使用细长的序列在静音中使用。 当定位信号中的特定场合被静音时，移动设备可以测量未被静音的其它定位信号的到达时间。 可以使用两个到达时间的这种测量来计算它们之间的差异，以用作确定移动设备的位置的过程中的差异测量。

    DETERMINATION OF DIFFERENTIAL FORWARD LINK CALIBRATION IN LTE NETWORKS FOR POSITIONING
    5.
    发明申请
    DETERMINATION OF DIFFERENTIAL FORWARD LINK CALIBRATION IN LTE NETWORKS FOR POSITIONING 有权
    确定LTE网络定位中的差分前向链路校准

    公开(公告)号：US20140295881A1

    公开(公告)日：2014-10-02

    申请号：US14146682

    申请日：2014-01-02

    Applicant: QUALCOMM Incorporated

    Inventor： Benjamin Werner ,  Weihua Gao ,  Guttorm R. Opshaug ,  Grant Alexander Marshall ,  Borislav Ristic

    IPC: H04W4/02

    CPC classification number: H04W4/023 ,  G01S5/021 ,  G01S5/0236 ,  G01S5/10

    Abstract: Techniques are provided which may be implemented using various methods and/or apparatuses to determine time difference of arrival of signals from two base stations as received at a mobile device, to use the time difference of arrival to determine differential forward link calibration for at least two base stations, and also to determine location using the differential forward link calibration for at least two base stations, determined using the time difference of arrival of signals from at least two base stations as received by a mobile device.

    Abstract translation: 提供技术，其可以使用各种方法和/或设备来实现，以确定在移动设备处接收到的来自两个基站的信号的到达时间差，以使用到达时间差来确定至少两个的差分前向链路校准 并且还使用由移动设备接收的来自至少两个基站的信号的到达时间差确定的至少两个基站使用差分前向链路校准来确定位置。

    Methods, apparatuses, and devices for processing positioning reference signals
    7.
    发明授权
    Methods, apparatuses, and devices for processing positioning reference signals 有权
    用于处理定位参考信号的方法，装置和装置

    公开(公告)号：US09426609B2

    公开(公告)日：2016-08-23

    申请号：US14163907

    申请日：2014-01-24

    Applicant: QUALCOMM Incorporated

    Inventor： Guttorm R. Opshaug ,  Arash Mirbagheri ,  Borislav Ristic

    IPC: H04W4/02 ,  H04B7/08 ,  G01S5/02 ,  G01S5/10

    CPC classification number: H04W4/02 ,  G01S5/0215 ,  G01S5/0268 ,  G01S5/10 ,  H04B7/0802

    Abstract: Methods, apparatuses, and devices for processing Positioning Reference Signals (PRS) bursts are presented. In one example, a mobile device may acquire a first PRS burst transmitted from a base station through first transmitter antenna port and acquire a second PRS burst transmitted from a base station through a second antenna port. The mobile device may select between the first and second acquired PRS bursts for use in positioning operations such as observed time difference of arrival.

    Abstract translation: 提出了用于处理定位参考信号（PRS）脉冲串的方法，装置和装置。 在一个示例中，移动设备可以获取从基站通过第一发射机天线端口发送的第一PRS突发，并获取从基站通过第二天线端口发送的第二PRS突发。 移动设备可以在第一和第二获取的PRS突发之间进行选择，以用于诸如观察到的到达时间差的定位操作。

    METHOD AND APPARATUS FOR IMPROVING POSITIONING MEASUREMENT UNCERTAINTIES
    8.
    发明申请
    METHOD AND APPARATUS FOR IMPROVING POSITIONING MEASUREMENT UNCERTAINTIES 审中-公开
    改进定位测量不确定度的方法和装置

    公开(公告)号：US20150241547A1

    公开(公告)日：2015-08-27

    申请号：US14188621

    申请日：2014-02-24

    Applicant: QUALCOMM Incorporated

    Inventor： Guttorm R. Opshaug ,  Borislav Ristic ,  Arash Mirbagheri ,  Mayur N. Shah ,  Weihua Gao

    IPC: G01S5/02

    CPC classification number: G01S5/10 ,  G01S5/0205

    Abstract: Described are an apparatus and a method for increasing an uncertainty associated with an estimated position of the apparatus. Signals transmitted from a plurality of stationary transmitters may be acquired, and a difference in received carrier frequency of the acquired signals may be measured. The lower bound of a speed of a mobile device may be determined based at least in part on the measured difference in received carrier frequency. The uncertainty may be increased based at least in part on the lower bound of the speed.

    Abstract translation: 描述了用于增加与装置的估计位置相关联的不确定性的装置和方法。 可以获取从多个固定发射机发送的信号，并且可以测量所获取的信号的接收载波频率的差异。 可以至少部分地基于所测量的接收载波频率的差异来确定移动设备的速度的下限。 至少部分地基于速度的下限可能增加不确定性。

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