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    • 21. 发明授权
    • System and method for hybrid location in an LTE network
    • LTE网络中混合定位的系统和方法
    • US08787942B2
    • 2014-07-22
    • US13388384
    • 2009-08-05
    • Ariful HannanTariqul Islam
    • Ariful HannanTariqul Islam
    • H04W24/00
    • H04W64/00G01S5/0036G01S5/0221G01S5/0257G01S5/06G01S5/10
    • A system and method for estimating a location of a wireless device receiving signals from plural nodes of a communications network. A wireless device may be directed to transmit a first signal having one or more predetermined parameters. At one or more location measurement units (“LMU”) an uplink time of arrival (“TOA”) measurement between the wireless device and one or more of the plural nodes or LMUs may be determined as a function of the first signal transmitted from the wireless device. Downlink signal measurements of signals received by the wireless device may be collected, and a location of the wireless device determined as a function of the uplink TOA measurements and the collected downlink signal measurements.
    • 一种用于估计从通信网络的多个节点接收信号的无线设备的位置的系统和方法。 无线设备可以被引导以发送具有一个或多个预定参数的第一信号。 在一个或多个位置测量单元(“LMU”)处,无线设备与多个节点或LMU中的一个或多个的上行链路到达时间(“TOA”)测量可以被确定为根据从第 无线设备。 可以收集由无线设备接收的信号的下行链路信号测量,并且根据上行链路TOA测量和所收集的下行链路信号测量确定无线设备的位置。
    • 22. 发明授权
    • System and method for hybrid location in a CDMA 2000 network
    • CDMA 2000网络中混合定位的系统和方法
    • US08730932B2
    • 2014-05-20
    • US13388390
    • 2009-08-05
    • Tariqul Islam
    • Tariqul Islam
    • G01S19/45H04W24/00
    • H04W64/00G01S5/0205G01S5/14G01S13/767G01S13/878G01S2013/466G01S2013/468
    • A system and method for estimating a location of a wireless device receiving signals from plural nodes of a Code Division Multiple Access 2000 communications system. One or more ranges of a wireless device from one or more of the plural nodes may be determined as a function of signals received at the wireless device from the respective one or more plural nodes and as a function of information in an uplink pilot signal. From one or more location measurement units (“LMU”) measurements an uplink time of arrival (“TOA”) measurement from the device may be determined and then an estimation of the location of the wireless device determined as a function of the uplink TOA and determined one or more ranges.
    • 一种用于估计从码分多址2000通信系统的多个节点接收信号的无线设备的位置的系统和方法。 可以根据多个节点中的一个或多个节点的无线设备的一个或多个范围来确定在无线设备处从相应的一个或多个节点接收的信号的函数,并根据上行链路导频信号中的信息来确定。 从一个或多个位置测量单元(“LMU”)测量可以确定来自设备的上行链路到达时间(“TOA”)测量值,然后确定无线设备的位置的估计作为上行链路TOA和 确定一个或多个范围。
    • 23. 发明授权
    • System and method for a high throughput GSM location solution
    • 高吞吐量GSM定位解决方案的系统和方法
    • US08340683B2
    • 2012-12-25
    • US12563590
    • 2009-09-21
    • Tariqul Islam
    • Tariqul Islam
    • H04W24/00
    • H04W64/00
    • A system and method for estimating a location of wireless devices transmitting signals on channels in a communications system having a plurality of nodes and a plurality of Location Measurement Units (“LMU”). A first plurality of signals from a first channel may be received by one or more of the plural LMUs and a second plurality of signals from a second channel may be received by one or more of the plural LMUs. The received first and second plural signals may be converted into first and second digital signals and then divided into first and second sets of frequency bins, the first and second sets of bins corresponding to the respective channel. Each of the divided signals may be correlated with one or more reference signals, and the correlated signals stored in a database for estimating a location of one or more wireless devices.
    • 一种用于估计在具有多个节点和多个位置测量单元(LMU)的通信系统中的信道上发送信号的无线设备的位置的系统和方法。 来自第一信道的第一多个信号可以由多个LMU中的一个或多个接收,并且来自第二信道的第二多个信号可以由多个LMU中的一个或多个接收。 接收到的第一和第二多个信号可以被转换成第一和第二数字信号,然后被分成第一和第二组频率仓,第一组和第二组对应于各个频道。 每个划分的信号可以与一个或多个参考信号相关联,并且存储在用于估计一个或多个无线设备的位置的数据库中的相关信号。
    • 24. 发明申请
    • SYSTEM AND METHOD FOR A HIGH THROUGHPUT GSM LOCATION SOLUTION
    • 用于高通量GSM位置解决方案的系统和方法
    • US20110070892A1
    • 2011-03-24
    • US12563590
    • 2009-09-21
    • Tariqul Islam
    • Tariqul Islam
    • H04W64/00
    • H04W64/00
    • A system and method for estimating a location of wireless devices transmitting signals on channels in a communications system having a plurality of nodes and a plurality of Location Measurement Units (“LMU”). A first plurality of signals from a first channel may be received by one or more of the plural LMUs and a second plurality of signals from a second channel may be received by one or more of the plural LMUs. The received first and second plural signals may be converted into first and second digital signals and then divided into first and second sets of frequency bins, the first and second sets of bins corresponding to the respective channel. Each of the divided signals may be correlated with one or more reference signals, and the correlated signals stored in a database for estimating a location of one or more wireless devices.
    • 一种用于估计在具有多个节点和多个位置测量单元(“LMU”)的通信系统中的信道上发送信号的无线设备的位置的系统和方法。 来自第一信道的第一多个信号可以由多个LMU中的一个或多个接收,并且来自第二信道的第二多个信号可以由多个LMU中的一个或多个接收。 接收到的第一和第二多个信号可以被转换成第一和第二数字信号,然后被分成第一和第二组频率仓,第一组和第二组对应于各个频道。 每个划分的信号可以与一个或多个参考信号相关联,并且存储在用于估计一个或多个无线设备的位置的数据库中的相关信号。
    • 25. 发明申请
    • UMTS PROXIMITY DETECTION WITH UPLINK AND DOWNLINK SIGNALS
    • 具有上行链路和下行链路信号的UMTS临近检测
    • US20130143598A1
    • 2013-06-06
    • US13309975
    • 2011-12-02
    • Navin SrinivasanAriful HannanTariqul Islam
    • Navin SrinivasanAriful HannanTariqul Islam
    • H04W24/00
    • H04W64/00G01S5/021G01S5/06G01S5/14
    • A method and system for determining the location of a mobile device in a communications network or the proximity of the device to a node in the network. A location request may be received for a mobile device served by a base station in the network. A set of nodes associated with the serving base station may then be tasked and downlink data collected at a first node, the downlink data from a downlink signal received from the serving base station. Downlink frame timing may then be determined as a function of the collected downlink data and uplink data collected at a second node as a function of the determined downlink frame timing. A geographic location for the device or proximity thereof to a node may be determined as a function of the collected uplink data.
    • 一种用于确定移动设备在通信网络中的位置或设备与网络中的节点的接近度的方法和系统。 可以为由网络中的基站服务的移动设备接收位置请求。 然后可以对与服务基站相关联的一组节点进行任务,并且在第一节点处收集下行链路数据,来自从服务基站接收的下行链路信号的下行链路数据。 然后可以根据所确定的下行链路帧定时的函数来确定下行链路帧定时作为在第二节点处收集的收集的下行链路数据和上行链路数据的函数。 可以根据收集的上行链路数据来确定设备的地理位置或其与节点的接近性。
    • 26. 发明申请
    • System and Method For A High Throughput GSM Location Solution
    • 高通量GSM位置解决方案的系统和方法
    • US20130072231A1
    • 2013-03-21
    • US13610182
    • 2012-09-11
    • Tariqul Islam
    • Tariqul Islam
    • H04W4/02H04W24/10
    • H04W64/00
    • A system and method for estimating a location of wireless devices transmitting signals on channels in a communications system having a plurality of nodes and a plurality of Location Measurement Units (“LMU”). A first plurality of signals from a first channel may be received by one or more of the plural LMUs and a second plurality of signals from a second channel may be received by one or more of the plural LMUs. The received first and second plural signals may be converted into first and second digital signals and then divided into first and second sets of frequency bins, the first and second sets of bins corresponding to the respective channel. Each of the divided signals may be correlated with one or more reference signals, and the correlated signals stored in a database for estimating a location of one or more wireless devices.
    • 一种用于估计在具有多个节点和多个位置测量单元(LMU)的通信系统中的信道上发送信号的无线设备的位置的系统和方法。 来自第一信道的第一多个信号可以由多个LMU中的一个或多个接收,并且来自第二信道的第二多个信号可以由多个LMU中的一个或多个接收。 接收到的第一和第二多个信号可以被转换成第一和第二数字信号,然后被分成第一和第二组频率仓,第一组和第二组对应于各个频道。 每个划分的信号可以与一个或多个参考信号相关联,并且存储在用于估计一个或多个无线设备的位置的数据库中的相关信号。
    • 27. 发明申请
    • SYSTEM AND METHOD FOR HYBRID LOCATION IN A UMTS NETWORK
    • 在UMTS网络中混合定位的系统和方法
    • US20120129551A1
    • 2012-05-24
    • US13388399
    • 2009-08-05
    • Tariqul Islam
    • Tariqul Islam
    • H04W24/00
    • H04W64/00G01S5/0205G01S5/0268G01S5/12G01S13/767G01S13/878G01S2013/466G01S2013/468
    • A system and method for estimating a location of a wireless device receiving signals from plural nodes of a Universal Mobile Telecommunications System (“UMTS”) network. Observed time difference of arrival (“OTDOA”) measurements of signals received by the wireless device are collected and a message is transmitted to a stand alone serving mobile location center (“SAS”), the message including round trip time information, tipping information, and the collected OTDOA measurements. One or more location measurement units (“LMU”) are tasked to determine uplink and downlink signal measurements between the wireless device and ones of the plural nodes as a function of the transmitted message. At the one or more LMUs, range measurements from the wireless device to ones of the plural nodes, uplink time of arrival (“TOA”) measurements, and downlink TOA measurements are determined. A location of the wireless device may then be determined as a function of the uplink and downlink TOA measurements, OTDOA measurements, round trip time information, and range measurements.
    • 一种用于估计从通用移动电信系统(“UMTS”)网络的多个节点接收信号的无线设备的位置的系统和方法。 收集观察到的无线设备接收的信号的到达时间差(“OTDOA”)测量值,并将消息发送到独立服务移动定位中心(“SAS”),该消息包括往返时间信息,小费信息, 和收集的OTDOA测量。 一个或多个位置测量单元(“LMU”)的任务是确定无线设备与多个节点中的一个之间的上行链路和下行链路信号测量作为发送的消息的函数。 在一个或多个LMU中,确定从无线设备到多个节点,到达的上行链路时间(“TOA”)测量和下行链路TOA测量的范围测量。 然后可以根据上行链路和下行链路TOA测量,OTDOA测量,往返时间信息和范围测量来确定无线设备的位置。
    • 29. 发明申请
    • SYSTEM AND METHOD FOR LOCATING AN UNKNOWN BASE STATION
    • 用于定位未知基站的系统和方法
    • US20090131075A1
    • 2009-05-21
    • US12250910
    • 2008-10-14
    • Selcuk MazlumTariqul Islam
    • Selcuk MazlumTariqul Islam
    • H04W24/00
    • H04W24/10G01S5/0205G01S5/10G01S19/46H04W64/00H04W84/04
    • A system and method for estimating a location of an unknown Node B in a wireless communication system having a plurality of other nodes and a plurality of location measurement units. A first value may be determined based on a network timing characteristic for one of the nodes, and a second value may be determined based on a network measurement report characteristic from a user equipment (“UE”). An observed time difference of arrival (“OTDOA”) hyperbola may then be calculated based on the first and second values, and a location of the unknown Node B as a function of the OTDOA hyperbola. Therefore, through the combination of a UE network measurement report characteristic and a downlink timing measurement from a location measurement unit, the location of an unknown Node B may be determined.
    • 一种用于在具有多个其他节点和多个位置测量单元的无线通信系统中估计未知节点B的位置的系统和方法。 可以基于节点之一的网络定时特性来确定第一值,并且可以基于来自用户设备(“UE”)的网络测量报告特性来确定第二值。 然后可以基于第一和第二值以及作为OTDOA双曲线的函数的未知节点B的位置来计算观察到的到达时间差(“OTDOA”)双曲线。 因此,通过UE位置测量单元的UE网络测量报告特性和下行链路定时测量的组合,可以确定未知节点B的位置。
    • 30. 发明申请
    • SYSTEM AND METHOD FOR HYBRID LOCATION IN AN LTE NETWORK
    • 在LTE网络中混合定位的系统和方法
    • US20120129550A1
    • 2012-05-24
    • US13388384
    • 2009-08-05
    • Ariful HannanTariqul Islam
    • Ariful HannanTariqul Islam
    • H04W24/00
    • H04W64/00G01S5/0036G01S5/0221G01S5/0257G01S5/06G01S5/10
    • A system and method for estimating a location of a wireless device receiving signals from plural nodes of a communications network. A wireless device may be directed to transmit a first signal having one or more predetermined parameters. At one or more location measurement units (“LMU”) an uplink time of arrival (“TOA”) measurement between the wireless device and one or more of the plural nodes or LMUs may be determined as a function of the first signal transmitted from the wireless device. Downlink signal measurements of signals received by the wireless device may be collected, and a location of the wireless device determined as a function of the uplink TOA measurements and the collected downlink signal measurements.
    • 一种用于估计从通信网络的多个节点接收信号的无线设备的位置的系统和方法。 无线设备可以被引导以发送具有一个或多个预定参数的第一信号。 在一个或多个位置测量单元(“LMU”)处,无线设备与多个节点或LMU中的一个或多个的上行链路到达时间(“TOA”)测量可以被确定为根据从第 无线设备。 可以收集由无线设备接收的信号的下行链路信号测量,并且根据上行链路TOA测量和所收集的下行链路信号测量确定无线设备的位置。