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    Methods and systems for estimating angle of arrival
    1.
    发明授权
    Methods and systems for estimating angle of arrival 有权
    估计到达角度的方法和系统

    公开(公告)号：US08797213B2

    公开(公告)日：2014-08-05

    申请号：US12895497

    申请日：2010-09-30

    申请人： Ka Shun Carson Pun ,  Alfred Grau Besoli ,  Jesus Castaneda ,  Brima Ibrahim ,  David Garrett ,  Siukai Mak

    发明人： Ka Shun Carson Pun ,  Alfred Grau Besoli ,  Jesus Castaneda ,  Brima Ibrahim ,  David Garrett ,  Siukai Mak

    IPC分类号： G01S5/04

    CPC分类号： G01S3/043 ,  G01S3/48

    摘要： Methods and systems for estimating an angle of arrival are provided. In an embodiment, a system for estimating angle of arrival includes a snapshot determining module configured to receive a signal from each antenna of an antenna array and to generate a snapshot vector including values based on the signals and an angle of arrival processing module configured to estimate an angle of arrival for the electromagnetic signal relative to the antenna array based on the snapshot vector. Each signal is representative of an electromagnetic signal incident on a respective antenna of the antenna array and each value is representative of a phase of a respective signal.

    摘要翻译： 提供了用于估计到达角的方法和系统。 在一个实施例中，用于估计到达角的系统包括：快照确定模块，被配置为从天线阵列的每个天线接收信号，并且生成包括基于所述信号的值的快照向量以及被配置为估计 基于快照向量的相对于天线阵列的电磁信号的到达角度。 每个信号表示入射在天线阵列的相应天线上的电磁信号，并且每个值表示相应信号的相位。

    Methods and Systems for Estimating Angle of Arrival
    2.
    发明申请
    Methods and Systems for Estimating Angle of Arrival 有权
    估计到达角度的方法和系统

    公开(公告)号：US20110074633A1

    公开(公告)日：2011-03-31

    申请号：US12895497

    申请日：2010-09-30

    申请人： Ka Shun Carson PUN ,  Alfred Grau Besoli ,  Jesus Castaneda ,  Brima Ibrahim ,  David Garrett ,  Siukai Mak

    发明人： Ka Shun Carson PUN ,  Alfred Grau Besoli ,  Jesus Castaneda ,  Brima Ibrahim ,  David Garrett ,  Siukai Mak

    IPC分类号： G01S5/04

    CPC分类号： G01S3/043 ,  G01S3/48

    摘要： Methods and systems for estimating an angle of arrival are provided. In an embodiment, a system for estimating angle of arrival includes a snapshot determining module configured to receive a signal from each antenna of an antenna array and to generate a snapshot vector including values based on the signals and an angle of arrival processing module configured to estimate an angle of arrival for the electromagnetic signal relative to the antenna array based on the snapshot vector. Each signal is representative of an electromagnetic signal incident on a respective antenna of the antenna array and each value is representative of a phase of a respective signal.

    摘要翻译： 提供了用于估计到达角的方法和系统。 在一个实施例中，用于估计到达角的系统包括：快照确定模块，被配置为从天线阵列的每个天线接收信号，并且生成包括基于所述信号的值的快照向量以及被配置为估计 基于快照向量的相对于天线阵列的电磁信号的到达角度。 每个信号表示入射在天线阵列的相应天线上的电磁信号，并且每个值表示相应信号的相位。

    SIGNAL ACQUISITION SYSTEM
    3.
    发明申请
    SIGNAL ACQUISITION SYSTEM 失效
    信号采集系统

    公开(公告)号：US20130077722A1

    公开(公告)日：2013-03-28

    申请号：US13246612

    申请日：2011-09-27

    申请人： Ka Shun Carson Pun ,  Siavash Ekbatani ,  David Ho ,  Siukai Mak

    发明人： Ka Shun Carson Pun ,  Siavash Ekbatani ,  David Ho ,  Siukai Mak

    IPC分类号： H04L27/06

    CPC分类号： H04L7/042 ,  H04L7/08 ,  H04L25/0212 ,  H04L27/02

    摘要： A signal acquisition system efficiently acquires a transmitted signal even at very low power. The system may synchronize to a preamble structure in the transmitted signal and, for example, determine timing parameters that locate the preamble with respect to system timing or other clock references. The system is particularly effective at acquiring weak power signals and is also robust against significant noise and other impairments, and therefore improves the ability of a receiving device that incorporates the signal acquisition system to acquire the signal and establish communication with other devices.

    摘要翻译： 即使在非常低的功率下，信号采集系统也有效地获取发射信号。 该系统可以与发射信号中的前同步码结构同步，并且例如确定相对于系统定时或其他时钟参考来定位前置码的定时参数。 该系统在获取弱功率信号方面特别有效，并且对于显着的噪声和其他损伤也是鲁棒的，因此提高了包含信号采集系统的接收设备获取信号并与其他设备建立通信的能力。

    Signal acquisition system
    4.
    发明授权
    Signal acquisition system 失效
    信号采集系统

    公开(公告)号：US08615058B2

    公开(公告)日：2013-12-24

    申请号：US13246612

    申请日：2011-09-27

    申请人： Ka Shun Carson Pun ,  Siavash Ekbatani ,  David Ho ,  Siukai Mak

    发明人： Ka Shun Carson Pun ,  Siavash Ekbatani ,  David Ho ,  Siukai Mak

    IPC分类号： H03D1/00

    CPC分类号： H04L7/042 ,  H04L7/08 ,  H04L25/0212 ,  H04L27/02

    摘要： A signal acquisition system efficiently acquires a transmitted signal even at very low power. The system may synchronize to a preamble structure in the transmitted signal and, for example, determine timing parameters that locate the preamble with respect to system timing or other clock references. The system is particularly effective at acquiring weak power signals and is also robust against significant noise and other impairments, and therefore improves the ability of a receiving device that incorporates the signal acquisition system to acquire the signal and establish communication with other devices.

    摘要翻译： 即使在非常低的功率下，信号采集系统也有效地获取发射信号。 该系统可以与发射信号中的前同步码结构同步，并且例如确定相对于系统定时或其他时钟参考来定位前置码的定时参数。 该系统在获取弱功率信号方面特别有效，并且对于显着的噪声和其他损伤也是鲁棒的，因此提高了包含信号采集系统的接收设备获取信号并与其他设备建立通信的能力。

    METHOD AND SYSTEM FOR SIGNAL STRENGTH MEASUREMENT
    5.
    发明申请
    METHOD AND SYSTEM FOR SIGNAL STRENGTH MEASUREMENT 有权
    信号强度测量方法与系统

    公开(公告)号：US20120003942A1

    公开(公告)日：2012-01-05

    申请号：US12878771

    申请日：2010-09-09

    申请人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

    发明人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

    IPC分类号： H04W24/00

    CPC分类号： H04W16/14 ,  H04W72/082

    摘要： In a radio comprising a transmitter and a receiver, transmission and reception of signals may be controlled based on received signal strength measurements from a signal strength indicator module and transmitted signal strength measurements from the signal strength indicator module. For the transmitted signal strength measurements, the shared signal strength indicator module may measure signal strength of a signal output by a power amplifier. For the received signal strength measurements, the shared signal strength indicator module may measure signal strength of a received signal. A capacitance coupled to an output of the power amplifier may be configured based on a frequency of the signal output by the power amplifier. A gain of the power amplifier may be controlled based on the transmitted signal strength measurements. For the transmitted signal strength measurements, an analog-to-digital converter may process the signal output by the power amplifier.

    摘要翻译： 在包括发射机和接收机的无线电设备中，可以基于来自信号强度指示器模块的接收信号强度测量值和来自信号强度指示器模块的发射信号强度测量值来控制信号的发送和接收。 对于发射信号强度测量，共享信号强度指示器模块可以测量由功率放大器输出的信号的信号强度。 对于接收的信号强度测量，共享信号强度指示器模块可以测量接收信号的信号强度。 可以基于由功率放大器输出的信号的频率来配置耦合到功率放大器的输出的电容。 功率放大器的增益可以基于传输的信号强度测量来控制。 对于发射信号强度测量，模数转换器可以处理由功率放大器输出的信号。

    Method and system for reuse of CORDIC in an RF transceiver by reconfiguration in real time
    6.
    发明授权
    Method and system for reuse of CORDIC in an RF transceiver by reconfiguration in real time 有权
    CORDIC在RF收发器中实时重配置的方法和系统

    公开(公告)号：US08081714B2

    公开(公告)日：2011-12-20

    申请号：US10989536

    申请日：2004-11-16

    申请人： Brima Ibrahim ,  Hea Joung Kim ,  Henrik Tholstrup Jensen ,  Paul Lettieri ,  Siukai Mak

    发明人： Brima Ibrahim ,  Hea Joung Kim ,  Henrik Tholstrup Jensen ,  Paul Lettieri ,  Siukai Mak

    IPC分类号： H04L27/00

    CPC分类号： H03D3/006

    摘要： Methods and systems for processing an RF signal are disclosed herein. Aspects of the method may comprise utilizing a single input CORDIC and a single output CORDIC for synchronizing and demodulating a received signal, wherein the received signal may comprise one or more bit rates. The received signal may comprise a one megabit per second (Mbps) signal. The single input CORDIC may be configured to operate in a rotating mode and the single output CORDIC may be configured to operate in a rotating mode and/or an arctangent (ARCTAN) mode. A rotated output of the single input CORDIC may be correlated with a phase shift keying (PSK) synchronization (sync) word and a portion of the correlated rotated output of the single input CORDIC may be buffered.

    摘要翻译： 本文公开了用于处理RF信号的方法和系统。 该方法的方面可以包括利用单个输入CORDIC和单个输出CORDIC来同步和解调所接收的信号，其中所接收的信号可以包括一个或多个比特率。 所接收的信号可以包括一兆兆比特每秒（Mbps）信号。 单输入CORDIC可以被配置为以旋转模式操作，并且单输出CORDIC可以被配置为在旋转模式和/或反正切（ARCTAN）模式下操作。 单输入CORDIC的旋转输出可以与相移键控（PSK）同步（sync）字相关，并且单个输入CORDIC的相关旋转输出的一部分可以被缓冲。

    FAST AND RELIABLE CHANNEL CLASSIFICATION ALGORITHMS IN BLUETOOTH NETWORKS TO DETECT AND AVOID 2.4 GHZ INTERFERERS
    7.
    发明申请
    FAST AND RELIABLE CHANNEL CLASSIFICATION ALGORITHMS IN BLUETOOTH NETWORKS TO DETECT AND AVOID 2.4 GHZ INTERFERERS 有权
    蓝牙网络中快速可靠的通道分类算法，以检测和避免2.4 GHZ干扰器

    公开(公告)号：US20110294432A1

    公开(公告)日：2011-12-01

    申请号：US13206035

    申请日：2011-08-09

    申请人： Prasanna Desai ,  Sven Jerlhagen ,  Brima Ibrahim ,  Siukai Mak ,  Asif Grushkevich ,  John Walley

    发明人： Prasanna Desai ,  Sven Jerlhagen ,  Brima Ibrahim ,  Siukai Mak ,  Asif Grushkevich ,  John Walley

    IPC分类号： H04B7/00

    CPC分类号： H04B1/715 ,  H04B2001/7154 ,  H04W28/04 ,  H04W84/18

    摘要： A method for frequency selection in a wireless communication system, includes performing in a wireless device, receiving at least one signal at a current frequency; processing at least one data packet received via the received at least one signal to determine the presence of bit errors; characterizing the received at least one signal received at the current frequency based on the processing of the at least one data packet; classifying the current frequency based on at least the characterization of the received at least one signal; and selecting the current frequency based on the classification. At least one signal strength measurement may be performed on the received at least one signal, and the processing of the at least one data packet may be performed within a current channel classification update interval.

    摘要翻译： 一种在无线通信系统中进行频率选择的方法，包括在无线设备中执行以当前频率接收至少一个信号; 处理经由所接收的至少一个信号接收的至少一个数据分组，以确定位错误的存在; 基于所述至少一个数据分组的处理来表征所接收的以当前频率接收的至少一个信号; 至少基于所接收的至少一个信号的特征来对当前频率进行分类; 并根据分类选择当前频率。 可以对所接收的至少一个信号执行至少一个信号强度测量，并且可以在当前信道分类更新间隔内执行至少一个数据分组的处理。

    Method and system for signal quality measurement based on mean phase error magnitude of a signal
    8.
    发明授权
    Method and system for signal quality measurement based on mean phase error magnitude of a signal 有权
    基于信号平均相位误差幅度的信号质量测量方法和系统

    公开(公告)号：US07796709B2

    公开(公告)日：2010-09-14

    申请号：US12364465

    申请日：2009-02-02

    申请人： Siukai Mak ,  Brima Ibrahim

    发明人： Siukai Mak ,  Brima Ibrahim

    IPC分类号： H04L27/16

    CPC分类号： H04L43/00 ,  H04L43/0847 ,  H04L43/16 ,  H04W28/18

    摘要： Various aspects of a method and system from signal quality measurement based on mean phase error magnitude of a signal are presented. Aspects of the system may comprise circuitry that receives a time phase corrected Bluetooth signal via an RF channel. The circuitry may generate a phase error signal based on the received time phase corrected Bluetooth signal, and generate a mean phase error signal based on the generated phase error signal. A signal to noise ratio (SNR) may be derived based on the generated mean phase error signal, and a data rate may be selected based on the derived SNR.

    摘要翻译： 提出了基于信号平均相位误差幅度的信号质量测量方法和系统的各个方面。 系统的方面可以包括经由RF信道接收时间相位校正的蓝牙信号的电路。 电路可以基于所接收的时间相位校正的蓝牙信号产生相位误差信号，并且基于所生成的相位误差信号产生平均相位误差信号。 可以基于所生成的平均相位误差信号导出信噪比（SNR），并且可以基于导出的SNR来选择数据速率。

    Method and system for signal strength measurement
    10.
    发明授权
    Method and system for signal strength measurement 有权
    信号强度测量方法和系统

    公开(公告)号：US08457561B2

    公开(公告)日：2013-06-04

    申请号：US12878771

    申请日：2010-09-09

    申请人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

    发明人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

    IPC分类号： H04B1/00

    CPC分类号： H04W16/14 ,  H04W72/082

    摘要： In a radio comprising a transmitter and a receiver, transmission and reception of signals may be controlled based on received signal strength measurements from a signal strength indicator module and transmitted signal strength measurements from the signal strength indicator module. For the transmitted signal strength measurements, the shared signal strength indicator module may measure signal strength of a signal output by a power amplifier. For the received signal strength measurements, the shared signal strength indicator module may measure signal strength of a received signal. A capacitance coupled to an output of the power amplifier may be configured based on a frequency of the signal output by the power amplifier. A gain of the power amplifier may be controlled based on the transmitted signal strength measurements. For the transmitted signal strength measurements, an analog-to-digital converter may process the signal output by the power amplifier.

    摘要翻译： 在包括发射机和接收机的无线电设备中，可以基于来自信号强度指示器模块的接收信号强度测量值和来自信号强度指示器模块的发射信号强度测量值来控制信号的发送和接收。 对于发射信号强度测量，共享信号强度指示器模块可以测量由功率放大器输出的信号的信号强度。 对于接收的信号强度测量，共享信号强度指示器模块可以测量接收信号的信号强度。 可以基于由功率放大器输出的信号的频率来配置耦合到功率放大器的输出的电容。 功率放大器的增益可以基于传输的信号强度测量来控制。 对于发射信号强度测量，模数转换器可以处理由功率放大器输出的信号。