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    • 3. 发明申请
    • METHOD AND APPARATUS FOR ENABLING VEHICLE APPLICATIONS USING HETEROGENEOUS WIRELESS DATA PIPES
    • 使用异质无线数据管道实现车辆应用的方法和装置
    • US20140051456A1
    • 2014-02-20
    • US13585676
    • 2012-08-14
    • Fan BaiDonald K. GrimmMassimo OsellaBo YuDavid P. PopJohn J. Correia
    • Fan BaiDonald K. GrimmMassimo OsellaBo YuDavid P. PopJohn J. Correia
    • H04W72/08
    • H04W48/18
    • A method for determining which of a plurality of data connectivity pipes will be used to transmit data for one or more applications operating on a vehicle. The method identifies which of the applications are active at a particular point in time and identifies a number of available configurations based on the number of applications that are active and the number of the data pipes that are available to transmit the data for the application. The method identifies a plurality of performance metrics for each configuration and determines an optimal performance value for each performance metric from all of the configurations. The method then determines an overall utility function for each configuration that is based on its performance metrics and the optimal performance value and selects a data pipe for each application that is active based on a maximum overall utility function from each application's available overall utility functions.
    • 一种用于确定多个数据连接管道中的哪一个将用于传输在车辆上操作的一个或多个应用的​​数据的方法。 该方法识别哪些应用程序在特定时间点处于活动状态,并且基于活动的应用程序的数量和可用于传送应用程序的数据的数据管道的数量来识别可用配置的数量。 该方法识别每个配置的多个性能度量,并且从所有配置确定针对每个性能度量的最佳性能值。 该方法然后根据其性能指标和最佳性能值确定每个配置的整体效用函数,并根据每个应用程序的可用整体效用函数的最大整体效用函数为每个应用程序选择一个数据管道。
    • 5. 发明申请
    • LIGHT EMITTING ELEMENT DRIVING CIRCUIT
    • 发光元件驱动电路
    • US20120049761A1
    • 2012-03-01
    • US13177420
    • 2011-07-06
    • Bo YuYuancheng RenLei DuNaixing KuangZhijiang Yang
    • Bo YuYuancheng RenLei DuNaixing KuangZhijiang Yang
    • H05B37/02
    • H05B33/0827G09G3/3406G09G2330/08Y02B20/341
    • The present disclosure discloses a light emitting element driving circuit. In one embodiment the light emitting element driving circuit may comprise a power conversion circuit and a current balancing circuit. In other embodiment the light emitting element driving circuit may further comprise other modules integrated and interacting with the power conversion circuit and the current balancing circuit, such as fault detection and protection circuits, status indication circuits and phase-shift PWM dimming circuits. In other embodiment, the present disclosure further discloses a current balancing circuit. In other embodiment, the present disclosure further discloses a fault detection and protection circuit. In still other embodiment, the present disclosure further discloses a phase-shift PWM dimming circuit.
    • 本公开公开了一种发光元件驱动电路。 在一个实施例中,发光元件驱动电路可以包括功率转换电路和电流平衡电路。 在另一个实施例中,发光元件驱动电路还可以包括与功率转换电路和电流平衡电路集成并相互作用的其他模块,例如故障检测和保护电路,状态指示电路和相移PWM调光电路。 在另一实施例中,本公开还公开了一种电流平衡电路。 在其他实施例中,本公开还公开了一种故障检测和保护电路。 在另外的实施例中,本公开还公开了一种相移PWM调光电路。
    • 7. 发明授权
    • Apparatus and method for determining GPS tracking loop parameter based on SNR estimation
    • 基于SNR估计确定GPS跟踪环路参数的装置和方法
    • US07613258B2
    • 2009-11-03
    • US11364768
    • 2006-02-28
    • Bo YuJianhui HouShiJie LiMingQiang Cheng
    • Bo YuJianhui HouShiJie LiMingQiang Cheng
    • H03D1/04
    • H04B1/7097
    • A method for estimating signal quality of a spread spectrum signal is provided. The method includes squaring a plurality of in-phase correlation results and a plurality of quadrature correlation results, summing each squared in-phase correlation result and the corresponding correlation result to obtain a plurality of sum-of-square values, detecting a peak value among the plurality of sum-of-square results, calculating an average of non-peak values among the plurality of sum-of-square results. The peak value is regarded as a signal power value, while the averaged non-peak values are regarded as an average noise power value. A signal-to-noise ratio is then calculated based on the signal power value and the average noise power value. A method for determining the parameters for the tracking loop is also provided. The method includes estimating the signal-to-noise ratio of the spread spectrum signal, and determining the tracking loop parameters based on the signal-to-noise ratio.
    • 提供了一种用于估计扩频信号的信号质量的方法。 该方法包括对多个同相相关结果和多个正交相关结果进行平方,对每个平方的同相相关结果和相应的相关结果相加以获得多个平方和值,检测其中的峰值 所述多个平方和结果,计算所述多个平方和结果中的非峰值的平均值。 将峰值视为信号功率值,而将平均非峰值视为平均噪声功率值。 然后基于信号功率值和平均噪声功率值来计算信噪比。 还提供了用于确定跟踪环路的参数的方法。 该方法包括估计扩频信号的信噪比,以及基于信噪比确定跟踪环路参数。
    • 8. 发明申请
    • GPS application using network assistance
    • GPS应用使用网络协助
    • US20070072623A1
    • 2007-03-29
    • US11506499
    • 2006-08-18
    • You-Yuh ShyrMingqiang ChengBo Yu
    • You-Yuh ShyrMingqiang ChengBo Yu
    • H04Q7/20
    • G01S19/09G01S19/05H04W64/00H04W84/06H04W88/08
    • A Global Positioning System (GPS) system comprises a user end, a mobile terminal, a positioning server, a GPS application server, and a base station network. The mobile terminal has a GPS receiver to receive GPS information from a plurality of GPS satellites. The positioning server is coupled to the user end through the network. The GPS application server is coupled to the network for communicating with the positioning server, and has a GPS receiver to receive GPS information from GPS satellites so as to calculate a position of the GPS application server. The geographic position of the GPS application server is known, and GPS assistant information is determined based on the calculated position and the geographic position of the GPS application server. The base station network communicates with the mobile terminal to obtain the GPS information of the mobile terminal and locate the mobile terminal based on the GPS information of the mobile terminal and the GPS assistant information.
    • 全球定位系统(GPS)系统包括用户端,移动终端,定位服务器,GPS应用服务器和基站网络。 移动终端具有从多个GPS卫星接收GPS信息的GPS接收机。 定位服务器通过网络耦合到用户端。 GPS应用服务器耦合到网络以与定位服务器进行通信,并具有GPS接收机,用于从GPS卫星接收GPS信息,以计算GPS应用服务器的位置。 GPS应用服务器的地理位置是已知的,并且基于计算出的GPS应用服务器的位置和地理位置来确定GPS辅助信息。 基站网络与移动终端通信,获取移动终端的GPS信息,并根据移动终端的GPS信息和GPS辅助信息定位移动终端。
    • 9. 发明申请
    • Parallel correlator implementation using block integration for spread-spectrum communication
    • 使用块集成进行扩频通信的并行相关器实现
    • US20070002933A1
    • 2007-01-04
    • US11172443
    • 2005-06-30
    • MingQiang ChengShiJie LiBo Yu
    • MingQiang ChengShiJie LiBo Yu
    • H04B1/713
    • H04B1/7095G01S19/30H04B1/70752H04B2201/70715
    • An apparatus for processing spread spectrum signals digitized at a predetermined sampling frequency. The apparatus includes an intermediate frequency signal preprocessing unit, a plurality of parallel block integrators. The intermediate frequency signal preprocessing unit is capable of generating pre-integration results based on an input signal and local reference signals at a predetermined rate. The pre-integration results Produced by the intermediate frequency signal preprocessing unit are grouped into sets of pre-integration results. Each set of the pre-integration results contains a predetermined number of pre-integration results. The plurality of parallel block integrators is in communication with the intermediate frequency signal preprocessing unit. Each of the block integrators is capable of receiving, in succession, sets of a predetermined number of pre-integration results, and for each set of predetermined number of pre-integration results, each of the block integrators is capable of performing a plurality of partial correlations based on the set of the predetermined number of pre-integration results and a plurality of shifted segments of a pseudorandom noise code until a next set of pre-integration results are received by the block integrator.
    • 一种用于处理以预定采样频率数字化的扩频信号的装置。 该装置包括中频信号预处理单元,多个并行块积分器。 中频信号预处理单元能够以预定速率产生基于输入信号和本地参考信号的预积分结果。 由中频信号预处理单元生成的预积分结果被分组成一组预积分结果。 每组预积分结果包含预定数量的预积分结果。 多个并行块积分器与中频信号预处理单元通信。 每个块积分器能够连续地接收预定数量的预积分结果的集合,并且对于每组预定数量的预积分结果,每个块积分器能够执行多个部分 基于预定数量的预积分结果的集合和伪随机噪声码的多个移位段直到下一组预积分结果被块积分器接收的相关性。