公开(公告)号：WO2006057890A2

公开(公告)日：2006-06-01

申请号：PCT/US2005/041689

申请日：2005-11-17

Applicant: COGNIO, INC. ,  SUGAR, Gary, L.

Inventor： SUGAR, Gary, L.

IPC: H03D1/04

CPC classification number: H04L27/261 ,  H03D3/007 ,  H03D3/009

Abstract: An algorithm for correcting the output of an analog I/Q demodulator without the need for calibration or storing state information. The output of the analog I/Q demodulator is digitized, and the discrete-time samples are divided into segments. A digital frequency transform (e.g., a Discrete Fourier Transform) is computed for each segment. The effects of the non-ideal I/Q demodulator are removed by identifying a set of image frequency candidates for each digital frequency transform, and for each image frequency candidate, estimating a set of demodulator imbalance parameters to characterize the demodulator imbalance at that frequency and correcting the digital 10 frequency transform at the image frequency candidate using the imbalance parameters in order to minimize the effects of the imbalance. Each digital frequency transform is corrected independently and consequently no persistent state information needs to be saved between transforms.

Abstract translation: 用于校正模拟I / Q解调器的输出而不需要校准或存储状态信息的算法。 模拟I / Q解调器的输出被数字化，离散时间采样被分成多个段。 为每个段计算数字频率变换（例如，离散傅立叶变换）。 通过识别每个数字频率变换的一组图像频率候选以及对于每个图像频率候选，去除非理想I / Q解调器的影响，估计一组解调器不平衡参数以表征该频率处的解调器不平衡，以及 使用不平衡参数来校正图像频率候选的数字10频率变换，以便最小化不平衡的影响。 每个数字频率变换被独立地校正，因此在转换之间不需要保存持久状态信息。

公开(公告)号：WO2003090370A1

公开(公告)日：2003-10-30

申请号：PCT/US2003/012183

申请日：2003-04-21

Applicant: COGNIO, INC. ,  SUGAR, Gary, L. ,  MASUCCI, Robert, M. ,  RAHN, David, G.

Inventor： SUGAR, Gary, L. ,  MASUCCI, Robert, M. ,  RAHN, David, G.

IPC: H04B1/40

CPC classification number: H04B7/0413 ,  H03D2200/0025 ,  H04B1/005 ,  H04B1/0057 ,  H04B1/006 ,  H04B1/406

Abstract: A MIMO radio transceiver (10) to support processing of multiple signals for simultaneous transmission via corresponding ones of a plurality of antennas (12, 14) and to support receive processing of multiple signals detected by corresponding ones of the plurality of antennas (12, 14 ). The radio transceiver provides, on a single semiconductor integrated circuit, a receiver circuit or path for each of a plurality of antennas and a transmit circuit or path for each of the plurality of antennas. Each receiver circuit downconverts (24) the RF signal detected by its associated antenna to a baseband signal. Similarly, each transmit path upconverts a baseband signal to be transmitted by an assigned antenna.

Abstract translation: 一种用于支持多个信号的处理的MIMO无线电收发机（10），用于通过多个天线（12,14）中的相应天线进行同时传输，并且支持由多个天线（12,14）中的相应天线检测的多个信号的接收处理 ）。 无线电收发器在单个半导体集成电路上提供用于多个天线中的每一个的接收机电路或路径以及用于多个天线中的每一个的发射电路或路径。 每个接收器电路将由其相关联的天线检测到的RF信号（24）下变频为基带信号。 类似地，每个发送路径上变换要由分配的天线发送的基带信号。

公开(公告)号：WO03088626A2

公开(公告)日：2003-10-23

申请号：PCT/US0310457

申请日：2003-04-08

Applicant: COGNIO INC ,  SUGAR GARY L ,  KLOPER DAVID S

Inventor： SUGAR GARY L ,  KLOPER DAVID S

IPC: H04L1/16 ,  H04W24/00 ,  H04W24/08 ,  H04W64/00 ,  H04M

CPC classification number: H04W24/00 ,  H04L1/1664 ,  H04W24/08 ,  H04W64/00

Abstract: A system and method for determining the location of a device (target device) in a wireless radio environment. The method involves transmitting a first signal. The target device transmits a second signal. The first signal and second signal are received at two or more known locations in the general proximity of the target device. The location of the target device is computed from the time difference of arrival of the first signal and arrival of the second signal at the two or more known locations. This technique does not require the measurements made at the known locations to be time-synchronized, and can be performed completely in software, if desired, using non-real-time post-processing.

Abstract translation: 一种用于在无线无线电环境中确定设备（目标设备）的位置的系统和方法。 该方法涉及发送第一信号。 目标设备发送第二信号。 第一信号和第二信号在目标设备的普遍接近的两个或多个已知位置处被接收。 目标设备的位置是根据第一信号的到达时间差和第二信号的到达在两个或多个已知位置计算的。 该技术不需要在已知位置进行的测量是时间同步的，并且如果需要，可以使用非实时后处理在软件中完全执行。

公开(公告)号：WO03075471A2

公开(公告)日：2003-09-12

申请号：PCT/US0305647

申请日：2003-02-26

Applicant: COGNIO INC ,  TESFAI YOHANNES ,  VAIDYANATHAN CHANDRA ,  SUGAR GARY L

Inventor： TESFAI YOHANNES ,  VAIDYANATHAN CHANDRA ,  SUGAR GARY L

IPC: H04B7/005 ,  H04B7/06 ,  H04B7/08 ,  H04L1/06 ,  H04L25/02 ,  H04L25/03 ,  H04L27/26 ,  H04B

CPC classification number: H04B7/0413 ,  H04B7/0615 ,  H04B7/0669 ,  H04B7/0671 ,  H04B7/0845 ,  H04B7/0854 ,  H04B7/0857 ,  H04L1/06 ,  H04L25/0204 ,  H04L27/2601 ,  H04L2025/03445 ,  H04W52/42

Abstract: A spatial signal processing system and method are provided to optimize the received signal-to-noise ratio (SNR) at a first radio communication device based on the transmit filter at another radio communication device. Using an estimate of the channel derived from a signal received at one device from another device, an iterative process is provided to determine complex weights for one or more tapped delay-line transmit filters at each of two communication devices that optimize the received SNR.

Abstract translation: 提供了一种空间信号处理系统和方法，用于基于另一无线电通信设备处的发射滤波器来优化第一无线电通信设备处的接收信噪比（SNR）。 使用从在一个设备从另一设备接收的信号导出的信道的估计，提供迭代过程以确定两个通信设备中的每一个上的一个或多个抽头的延迟线发射滤波器的复加权，其优化接收到的SNR。

公开(公告)号：WO2003075469A2

公开(公告)日：2003-09-12

申请号：PCT/US2003/005644

申请日：2003-02-26

Applicant: COGNIO, INC. ,  SUGAR, Gary, L. ,  VAIDYANATHAN, Chandra

Inventor： SUGAR, Gary, L. ,  VAIDYANATHAN, Chandra

IPC: H04B

CPC classification number: H04L25/0204 ,  H01Q3/28 ,  H03G3/3042 ,  H03G3/3089 ,  H04B1/0483 ,  H04B7/0465 ,  H04B7/0615 ,  H04B7/0617 ,  H04B7/0669 ,  H04B7/0671 ,  H04B7/0837 ,  H04B7/0845 ,  H04B7/0854 ,  H04B7/0857 ,  H04L1/06 ,  H04L5/0023 ,  H04L27/2601 ,  H04L2025/03445 ,  H04W52/42

Abstract: An equal power composite beamforming technique which constrains that the power of the signal output by each antenna is the same, and is equal to the total power of the transmit signal divided by the number N of transmit antennas from which the signal is to be transmitted. By reducing output power requirements for each power amplifier, the silicon area of the power amplifiers are reduced by as much as N time (where N is equal to the number of transmit antennas) relative to a non-equal power CBF.

Abstract translation: 等功率复合波束成形技术，其限制每个天线输出的信号的功率相同，并且等于发射信号的总功率除以发射天线的数量N。 通过降低每个功率放大器的输出功率需求，功率放大器的硅面积相对于不相等的功率CBF减少了N个时间（其中N等于发射天线的数量）。

公开(公告)号：WO2007134108A3

公开(公告)日：2008-06-26

申请号：PCT/US2007068569

申请日：2007-05-09

Applicant: COGNIO INC ,  SUGAR GARY L

Inventor： SUGAR GARY L

IPC: H04B17/00

CPC classification number: H04B17/309

Abstract: Methods are provided for identifying devices that are sources of wireless signals from received radio frequency (RF) energy (710). RF energy is received at a device called a sensor device herein. Pulse metric data is generated from the received RF energy. The pulse metric data represents characteristics associated with pulses of received RF energy. The pulses are partitioned into groups based on their pulse metric data such that a group comprises pulses having similarities for at least one item of pulse metric data (720). Sources of the wireless signals are identified based on the partitioning process (760). The partitioning process involves iteratively subdividing each group into subgroups until all resulting subgroups contain pulses determined to be from a single source (750). At each iteration, subdividing is performed based on different pulse metric data than at a prior iteration. Ultimately, output data is generated (e.g., a device name for display) that identifies a source of wireless signals for any subgroup that is determined to contain pulses from a single source (790).

Abstract translation: 提供了用于识别作为来自接收射频（RF）能量的无线信号源的设备的方法（710）。 在这里称为传感器装置的装置处接收RF能量。 从接收到的RF能量产生脉冲量度数据。 脉冲度量数据表示与接收的RF能量的脉冲相关联的特性。 基于脉冲度量数据将脉冲分成组，使得组包括至少一个脉冲度量数据项目具有相似性的脉冲（720）。 基于划分处理识别无线信号的来源（760）。 分割过程涉及将每个组迭代地分成子组，直到所有得到的子组都包含确定为来自单个源的脉冲（750）。 在每次迭代中，基于与先前迭代不同的脉冲度量数据执行细分。 最终，产生输出数据（例如，用于显示的设备名称），其识别被确定为包含来自单个源的脉冲的任何子组的无线信号源（790）。

公开(公告)号：WO2006057890A3

公开(公告)日：2006-11-16

申请号：PCT/US2005041689

申请日：2005-11-17

Applicant: COGNIO INC ,  SUGAR GARY L

Inventor： SUGAR GARY L

IPC: H04L5/12 ,  H04L27/06

CPC classification number: H04L27/261 ,  H03D3/007 ,  H03D3/009

Abstract: An algorithm for correcting the output of an analog I/Q demodulator (10) without the need for calibration or storing state information. The output of the analog I/Q demodulator (10) is digitized, and the discrete-time samples are divided into segments. A digital frequency transform (e.g., a Discrete Fourier Transform) (35) is computed for each segment. The effects of the non-ideal 1/Q demodulator are removed by identifying a set of image frequency candidates for each digital frequency transform, and for each image frequency candidate, estimating a set of demodulator imbalance parameters to characterize the demodulator imbalance at that frequency and correcting the digital frequency transform at the image frequency candidate using the imbalance parameters in order to minimize the effects of the imbalance. Each digital frequency transform is corrected independently and consequently no persistent state information needs to be saved between transforms.

Abstract translation: 一种用于校正模拟I / Q解调器（10）的输出而不需要校准或存储状态信息的算法。 模拟I / Q解调器（10）的输出被数字化，离散时间采样被分成多个段。 为每个段计算数字频率变换（例如，离散傅里叶变换）（35）。 通过识别每个数字频率变换的一组图像频率候选，并且对于每个图像频率候选，去除非理想1 / Q解调器的影响，估计一组解调器不平衡参数以表征该频率处的解调器不平衡，以及 使用不平衡参数来校正图像频率候选的数字频率变换，以便最小化不平衡的影响。 每个数字频率变换被独立地校正，因此在转换之间不需要保存持久状态信息。

公开(公告)号：WO2006009955A2

公开(公告)日：2006-01-26

申请号：PCT/US2005/021666

申请日：2005-06-21

Applicant: COGNIO, Inc ,  SUGAR, Gary, L. ,  YOHANNES, Tesfai

Inventor： SUGAR, Gary, L. ,  YOHANNES, Tesfai

IPC: G01S3/02

CPC classification number: G01S11/06 ,  G01S5/0252 ,  G01S5/14

Abstract: A system, device and method are provided for estimating a position of a target device based on data pertaining to strength of an emission received from the target device. Emissions are received from the target device at each of a plurality of positions to produce receive signal strength data representative thereof. In addition, signals are received from each of a plurality of reference devices at corresponding known positions (and transmitted with known transmit powers) to produce receive signal strength data representative thereof. The position of the target device is estimated based on receive signal strength data associated with received emissions from the target device and receive signal strength data associated with received signals from the reference devices. The emissions from the target device and the signals from the reference devices may be received by sensor devices at known positions. Alternatively, the target device emissions and signals from the reference devices may be received by a mobile sensor device that moves about a region of interest and makes measurements at a plurality of positions.

Abstract translation: 提供了一种系统，装置和方法，用于基于从目标装置接收的发射强度的数据来估计目标装置的位置。 在多个位置的每个位置处从目标设备接收排放，以产生表示其的接收信号强度数据。 另外，从对应的已知位置（并以已知的发射功率发射）的多个参考装置中的每一个接收信号，以产生代表其的接收信号强度数据。 基于与来自目标设备的接收到的发射相关联的接收信号强度数据来估计目标设备的位置，并且接收与来自参考设备的接收信号相关联的信号强度数据。 来自目标设备的发射和来自参考设备的信号可以由传感器设备在已知位置接收。 或者，来自参考设备的目标设备发射和信号可以由移动传感器设备接收，移动传感器设备围绕感兴趣的区域移动并且在多个位置进行测量。

公开(公告)号：WO2004109755A3

公开(公告)日：2005-02-10

申请号：PCT/US2004015339

申请日：2004-05-14

Applicant: COGNIO INC ,  SUGAR GARY L ,  MASUCCI ROBERT M ,  TONER MICHAEL F ,  RAHN DAVID G

Inventor： SUGAR GARY L ,  MASUCCI ROBERT M ,  TONER MICHAEL F ,  RAHN DAVID G

IPC: H04B1/28

CPC classification number: H04B1/40 ,  H04L7/0008

Abstract: A signal interfacing technique for connecting signals between a signal processing device (200) and a radio integrated circuit (IC) (150) involving multiplexing two or more signals on a connection pin (1-4) between the radio IC (150) and a signal processing device (200). According to one technique, transmit and receive signals are multiplexed such that during a transmit mode a transmit signal is coupled on the connection pin (1-4) from the signal processing device (200) to the radio IC (150), and during a receive mode a receive signal is coupled from the radio IC (150) on the connection pin (1-4) to the signal processing device (200). According to another technique, in-phase (I) and quadrature (Q) signals are multiplexed on a connection pin (1-4) during both transmit and receive modes.

Abstract translation: 一种用于在信号处理设备（200）和无线电集成电路（IC）（150）之间连接信号的信号接口技术，涉及在无线电IC（150）和无线电IC（150）之间的连接引脚（1-4）上复用两个或更多个信号 信号处理装置（200）。 根据一种技术，发射和接收信号被复用，使得在发射模式期间，发射信号耦合在连接引脚（1-4）上，从信号处理装置（200）到无线电IC（150） 接收模式，接收信号从连接引脚（1-4）上的无线IC（150）耦合到信号处理设备（200）。 根据另一种技术，在发射和接收模式期间，同相（I）和正交（Q）信号被多路复用在连接引脚（1-4）上。

公开(公告)号：WO2004109755A2

公开(公告)日：2004-12-16

申请号：PCT/US2004/015339

申请日：2004-05-14

Applicant: COGNIO, INC. ,  SUGAR, Gary, L. ,  MASUCCI, Robert, M. ,  TONER, Michael, F. ,  RAHN, David, G.

Inventor： SUGAR, Gary, L. ,  MASUCCI, Robert, M. ,  TONER, Michael, F. ,  RAHN, David, G.

IPC: H01L

CPC classification number: H04B1/40 ,  H04L7/0008

Abstract: A signal interfacing technique for connecting signals between a signal processing device and a radio integrated circuit (IC) involving multiplexing two or more signals on a connection pin between the radio IC and a signal processing device. According to one technique, transmit and receive signals are multiplexed such that during a transmit mode a transmit signal is coupled on the connection pin from the signal processing device to the radio IC, and during a receive mode a receive signal is coupled from the radio IC on the connection pin to the signal processing device. According to another technique, in-phase (I) and quadrature (Q) signals are multiplexed on a connection pin during both transmit and receive modes.

Abstract translation: 一种用于在信号处理装置和无线电集成电路（IC）之间连接信号的信号接口技术，涉及在无线电IC和信号处理装置之间的连接引脚上复用两个或更多个信号。 根据一种技术，发射和接收信号被复用，使得在发射模式期间，发射信号从连接引脚耦合到信号处理装置到无线电IC，并且在接收模式期间，接收信号从无线IC 在信号处理设备的连接引脚上。 根据另一种技术，在发射和接收模式期间，同相（I）和正交（Q）信号被多路复用在连接引脚上。