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    Positioning and time transfer using television synchronization signals
    1.
    发明授权
    Positioning and time transfer using television synchronization signals 有权
    使用电视同步信号进行定位和时间传输

    公开(公告)号：US08233091B1

    公开(公告)日：2012-07-31

    申请号：US12117676

    申请日：2008-05-08

    Applicant: Matthew Rabinowitz ,  James J. Spilker, Jr. ,  Scott Furman ,  Dimitri Rubin ,  Harvind Samra ,  David Burgess ,  Guttorm Opshaug ,  Jim Omura

    Inventor： Matthew Rabinowitz ,  James J. Spilker, Jr. ,  Scott Furman ,  Dimitri Rubin ,  Harvind Samra ,  David Burgess ,  Guttorm Opshaug ,  Jim Omura

    IPC: H04N5/44

    CPC classification number: H04N5/06 ,  G01S5/14 ,  H04H60/51 ,  H04N7/0352

    Abstract: Methods having corresponding apparatus and computer-readable media comprise: receiving television signals and a message at an apparatus, wherein the television signals include an NTSC television signal and an ATSC television signal, wherein the message represents first and second arrival times representing absolute times of arrival at the apparatus of a first wavefront of the NTSC and ATSC television signals, respectively; measuring third and fourth arrival times, based on a local clock, after receiving the message, wherein the third and fourth arrival times represent times of arrival at the apparatus of a second wavefront of the NTSC and ATSC television signals, respectively; and providing a clock correction signal for the local clock based on the first arrival time, the second arrival time, the third arrival time, and the fourth arrival time.

    Abstract translation: 具有对应装置和计算机可读介质的方法包括：在装置处接收电视信号和消息，其中电视信号包括NTSC电视信号和ATSC电视信号，其中该消息表示代表绝对到达时间的第一和第二到达时间 分别在NTSC和ATSC电视信号的第一波前的设备上; 在接收到消息之后，基于本地时钟测量第三和第四到达时间，其中第三和第四到达时间分别表示NTSC和ATSC电视信号的第二波前的设备的到达时间; 以及基于第一到达时间，第二到达时间，第三到达时间和第四到达时间为本地时钟提供时钟校正信号。

    WIDE-LANE PSEUDORANGE MEASUREMENTS USING FM SIGNALS
    3.
    发明申请
    WIDE-LANE PSEUDORANGE MEASUREMENTS USING FM SIGNALS 有权
    使用FM信号进行宽域PSEUDORANGE测量

    公开(公告)号：US20070131079A1

    公开(公告)日：2007-06-14

    申请号：US11554765

    申请日：2006-10-31

    Applicant: Guttorm Opshaug ,  David Burgess ,  George Flammer ,  Scott Furman ,  Andy Lee ,  Matthew Rabinowitz ,  Harvind Samra

    Inventor： Guttorm Opshaug ,  David Burgess ,  George Flammer ,  Scott Furman ,  Andy Lee ,  Matthew Rabinowitz ,  Harvind Samra

    IPC: G10H3/18

    CPC classification number: G01S11/02 ,  G01S5/0263 ,  G01S5/12

    Abstract: Apparatus having corresponding methods and computer-readable media comprises a receiver to receive a wireless stereo frequency-modulation (FM) signal comprising a plurality of spectral signal components including a first tone and one or more frequency bands; one or more tone generators each to generate a respective second tone based on a respective one of the frequency bands; a plurality of phase circuits each to measure a phase of a respective one of the first and second tones; and a difference element to determine a phase difference between two of the phases.

    Abstract translation: 具有相应方法和计算机可读介质的装置包括：接收器，用于接收包括包括第一音调和一个或多个频带的多个频谱信号分量的无线立体声调频（FM）信号; 一个或多个音调发生器，每个音调发生器基于相应的一个频带产生相应的第二音调; 多个相位电路，各自测量第一和第二音调中的相应一个的相位; 以及差分元件，以确定两相之间的相位差。

    Transmitter Identification For Wireless Signals Having A Digital Audio Broadcast Physical Layer
    4.
    发明申请
    Transmitter Identification For Wireless Signals Having A Digital Audio Broadcast Physical Layer 审中-公开
    具有数字音频广播物理层的无线信号的发射机识别

    公开(公告)号：US20090175379A1

    公开(公告)日：2009-07-09

    申请号：US12333445

    申请日：2008-12-12

    Applicant: Dimitri Rubin ,  David Burgess ,  Guttorm Opshaug ,  Harvind Samra

    Inventor： Dimitri Rubin ,  David Burgess ,  Guttorm Opshaug ,  Harvind Samra

    IPC: H04L27/00

    CPC classification number: G01S5/0236 ,  G01S5/145 ,  G01S19/09 ,  G01S19/12 ,  G01S19/46 ,  H04H60/44 ,  H04H60/51

    Abstract: According to one embodiment, an apparatus having corresponding computer-readable media comprises: a transmitter marking module adapted to insert a pseudonoise sequence into a Null symbol of a digital audio broadcast (DAB) transmission frame; wherein the pseudonoise sequence represents an identity of a transmitter adapted to transmit a wireless signal representing the DAB transmission frame. According to another embodiment, an apparatus having corresponding computer-readable media comprises: a transmitter identification module adapted to identify a transmitter of a wireless signal representing a digital audio broadcast (DAB) transmission frame based on a pseudonoise sequence present in a Null symbol of the DAB transmission frame.

    Abstract translation: 根据一个实施例，具有对应的计算机可读介质的设备包括：发射机标记模块，适于将伪噪声序列插入到数字音频广播（DAB）传输帧的空符号中; 其中所述伪噪声序列表示适于发送表示所述DAB传输帧的无线信号的发射机的标识。 根据另一实施例，具有对应的计算机可读介质的装置包括：发射机识别模块，适于基于存在于所述数字音频广播（DAB）传输帧的空符号中的伪噪声序列来识别表示数字音频广播（DAB）传输帧的无线信号的发射机 DAB传输帧。

    Wide-lane pseudorange measurements using FM signals
    5.
    发明授权
    Wide-lane pseudorange measurements using FM signals 有权
    使用FM信号的宽行距伪距测量

    公开(公告)号：US07498873B2

    公开(公告)日：2009-03-03

    申请号：US11554765

    申请日：2006-10-31

    Applicant: Guttorm Opshaug ,  David Burgess ,  George Flammer ,  Scott Furman ,  Andy Lee ,  Matthew Rabinowitz ,  Harvind Samra

    Inventor： Guttorm Opshaug ,  David Burgess ,  George Flammer ,  Scott Furman ,  Andy Lee ,  Matthew Rabinowitz ,  Harvind Samra

    IPC: G01S1/00 ,  H03D3/00 ,  H04B1/16

    CPC classification number: G01S11/02 ,  G01S5/0263 ,  G01S5/12

    Abstract: Apparatus having corresponding methods and computer-readable media comprises a receiver to receive a wireless stereo frequency-modulation (FM) signal comprising a plurality of spectral signal components including a first tone and one or more frequency bands; one or more tone generators each to generate a respective second tone based on a respective one of the frequency bands; a plurality of phase circuits each to measure a phase of a respective one of the first and second tones; and a difference element to determine a phase difference between two of the phases.

    Abstract translation: 具有相应方法和计算机可读介质的装置包括：接收器，用于接收包括包括第一音调和一个或多个频带的多个频谱信号分量的无线立体声调频（FM）信号; 一个或多个音调发生器，每个音调发生器基于相应的一个频带产生相应的第二音调; 多个相位电路，各自测量第一和第二音调中的相应一个的相位; 以及差分元件，以确定两相之间的相位差。

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