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公开(公告)号：US20100118745A1
公开(公告)日：2010-05-13
申请号：US12687453
申请日：2010-01-14
IPC分类号： H04J3/00
CPC分类号： H04B7/0619 , H04B7/0617 , H04B7/086 , H04B17/11 , H04B17/21
摘要： In a wireless communication apparatus adopting a time division duplex system for executing transmission and reception using a plurality of antennas, deviation of amplitude and phase occurring between transmission and reception circuits is detected and corrected using a communication signal. Channel estimation means 105 detects channel information based on reception output of reception circuits 104-1 to 104-N provided in a one-to-one correspondence with a plurality of antennas 101-1 to 101-N. Correction value detection means 110 finds a correction value for correcting deviation occurring between each of transmission circuits 103-1 to 103-N and each of the reception circuits 104-1 to 104-N based on the channel information. A wireless communication apparatus 100 transmits an already known signal (training signal) to a base station with which the wireless communication apparatus conducts communications. The base station executes channel estimation based on the already known signal and generates and transmits a correction signal (probe signal). The correction value detection means 110 of the wireless communication apparatus 100 detects the correction value using the correction signal (probe signal).
摘要翻译： 在采用使用多个天线执行发送和接收的时分双工系统的无线通信装置中，使用通信信号来检测和校正发送和接收电路之间发生的振幅和相位的偏差。 信道估计装置105基于与多个天线101-1至101-N一一对应地提供的接收电路104-1至104-N的接收输出来检测信道信息。 修正值检测单元110基于通道信息，求出用于校正发送电路103-1〜103-N和各接收电路104-1〜104-N的偏差的校正值。 无线通信装置100向无线通信装置进行通信的基站发送已知的信号（训练信号）。 基站根据已知的信号进行信道估计，生成并发送校正信号（探测信号）。 无线通信装置100的校正值检测装置110使用校正信号（探测信号）来检测校正值。
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公开(公告)号：US20070183545A1
公开(公告)日：2007-08-09
申请号：US10598441
申请日：2005-08-02
IPC分类号： H04B7/10
CPC分类号： H04B7/0619 , H04B7/0617 , H04B7/086 , H04B17/11 , H04B17/21
摘要： In a wireless communication apparatus adopting a time division duplex system for executing transmission and reception using a plurality of antennas, deviation of amplitude and phase occurring between transmission and reception circuits is detected and corrected using a communication signal. Channel estimation means 105 detects channel information based on reception output of reception circuits 104-1 to 104-N provided in a one-to-one correspondence with a plurality of antennas 101-1 to 101-N. Correction value detection means 110 finds a correction value for correcting deviation occurring between each of transmission circuits 103-1 to 103-N and each of the reception circuits 104-1 to 104-N based on the channel information. A wireless communication apparatus 100 transmits an already known signal (training signal) to a base station with which the wireless communication apparatus conducts communications. The base station executes channel estimation based on the already known signal and generates and transmits a correction signal (probe signal). The correction value detection means 110 of the wireless communication apparatus 100 detects the correction value using the correction signal (probe signal).
摘要翻译： 在采用使用多个天线执行发送和接收的时分双工系统的无线通信装置中，使用通信信号来检测和校正发送和接收电路之间发生的振幅和相位的偏差。 信道估计装置105基于与多个天线101-1至101-N一一对应地提供的接收电路104-1至104N的接收输出来检测信道信息。 校正值检测单元110根据通道信息，求出用于校正发送电路103-1〜103-N与各接收电路104-1〜104-N之间的偏差的校正值。 无线通信装置100向无线通信装置进行通信的基站发送已知的信号（训练信号）。 基站根据已知的信号进行信道估计，生成并发送校正信号（探测信号）。 无线通信装置100的校正值检测装置110使用校正信号（探测信号）来检测校正值。
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23.发明授权公开(公告)号：US07031719B2
公开(公告)日：2006-04-18
申请号：US09920984
申请日：2001-08-02
IPC分类号： H04Q7/20
摘要： A method of calculating coefficients determining excitation amplitudes and phases for obtaining a desired antenna pattern of a circular array antenna comprising a plurality of antenna elements disposed circularly. Coefficients for a linear array antenna having the same number of antenna elements as the circular array antenna are determined by a Fourier series expansion in integral limits calculated from a beam direction and a beam width that are estimated from incoming radio waves and then are transformed into the coefficients for the circular array antenna. With this method, the beam direction and the beam width of the antenna pattern of the circular array antenna can be set at will. Consequently, this method enables adaptive control of sectored beams of sectored antennas at a base station or the like used for a mobile communication system, thus enhancing efficiency of the use of the antennas.
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24.发明授权Radio-wave arrival-direction estimating apparatus and directional variable transceiver 有权无线电波到达方向估计装置和方向可变收发器公开(公告)号：US06836245B2
公开(公告)日：2004-12-28
申请号：US10635411
申请日：2003-08-06
IPC分类号： G01S502
CPC分类号： G06K9/0057 , G01S3/74
摘要： A radio-wave arrival-direction apparatus calculates a correlation matrix of received signals by correlation calculation between antenna elements, and calculates a noise spatial eigenmatrix, of which each row or column is an eigenvector belonging to a noise eigen-space, by eigenvalue factorization of the correlation matrix. The apparatus also factorizes a matrix including a product of the noise spatial eigenmatrix and a conjugated and transposed matrix of it to an upper or lower triangular matrix, using cholesky factorization. The apparatus calculates an angle evaluation value in a predetermined angle range of an arrival-angle evaluation function using the derived upper or lower triangular matrix, and determines an arrival angle based on the calculation result. A calculation amount in a variable angle range can be thus reduced without causing accuracy degradation of arrival direction, in an algorism requiring an angle sweep for arrival angle estimation of MUSIC method or the like.
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公开(公告)号：US06529745B1
公开(公告)日：2003-03-04
申请号：US09413367
申请日：1999-10-06
IPC分类号： G01S328
摘要： A mobile station transmitted signal received at array antenna 11 is converted into an intermediate frequency signal in frequency conversion section 12, and converted into a digital signal in analog-digital conversion section 13. Arrival direction estimating section 15 estimates the number of mobile stations and directions thereof by processing the digital signal. Arrival direction tracking section 16 estimates a direction of a mobile station by sequential processing using an estimated result in arrival direction estimating section 15. Beam forming means 17 forms an antenna radiation beam to a direction of the estimated result in arrival direction tracking section 16.
摘要翻译： 在阵列天线11处接收的移动台发送信号在频率转换部分12中被转换成中频信号，并在模拟数字转换部分13中转换为数字信号。到达方向估计部分15估计移动台的数量和方向 通过处理数字信号。 到达方向跟踪部分16通过使用到达方向估计部分15中的估计结果的顺序处理来估计移动台的方向。波束形成装置17对到达方向跟踪部分16的估计结果的方向形成天线辐射束。
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公开(公告)号：US06502132B1
公开(公告)日：2002-12-31
申请号：US09257789
申请日：1999-02-25
申请人： Satoshi Kumano , Takashi Fukagawa
发明人： Satoshi Kumano , Takashi Fukagawa
IPC分类号： G06F15173
CPC分类号： H04L43/50 , H04L43/065 , H04L43/10 , H04L43/106
摘要： A network monitoring system includes a network, a monitoring device connected to the network, and a plurality of monitored devices connected to the network, each of the monitored devices having various statuses thereof summarized as a summary status, and sending the summary status to the monitoring device when sending a response in reply to a summary-status collecting command issued from the monitoring device as well as when sending other information that is not the response, wherein the monitoring device controls the summary status of a given one of the monitored devices based on the summary status received from the given one of the monitored devices.
摘要翻译： 网络监控系统包括网络，连接到网络的监控设备以及连接到网络的多个被监控设备，每个监控设备具有各种状态，其总结为汇总状态，并将汇总状态发送到监视 当响应于从所述监视设备发出的汇总状态收集命令发送响应以及当发送不是所述响应的其他信息时，所述监视设备基于所述监视设备控制所述被监控设备中的给定一个的摘要状态 从给定的受监控设备接收的汇总状态。
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公开(公告)号：US08665153B2
公开(公告)日：2014-03-04
申请号：US13263964
申请日：2010-04-26
摘要： Provided is an array signal processing device capable of, when a spatial averaging method is applied to array signal processing, reducing the number of antennas constituting an array antenna while making use of the spatial averaging method. In the array signal processing device (300), an array antenna (310) comprises four antennas (311-1 to 311-4) disposed at the four vertices of a parallelogram. Correlation calculation units (341-1, 2) calculate, based on a received signal, spatial correlation matrices for respective sub-array antenna (312-1) and sub-array antenna (312-2), the sub-array antenna (312-1) comprising the antennas (311-1, 3) disposed at the opposing two vertices and the antenna (311-2), the sub-array antenna (312-2) comprising the antennas (311-1, 3) and the antenna (311-4). An array rotation unit (342) converts a first spatial matrix of the calculated two spatial matrices to the complex conjugate thereof. A spatial averaging unit (343) averages the complex conjugate of the first spatial matrix and a second spatial matrix.
摘要翻译： 提供了一种阵列信号处理装置，当空间平均方法应用于阵列信号处理时，能够在利用空间平均方法的同时减少构成阵列天线的天线的数量。 在阵列信号处理装置（300）中，阵列天线（310）包括设置在平行四边形的四个顶点的四个天线（311-1至311-4）。 相关计算单元（341-1,2）基于接收信号计算各子阵列天线（312-1）和子阵列天线（312-2）的空间相关矩阵，子阵列天线（312 -1）包括设置在相对的两个顶点处的天线（311-1,3）和天线（311-2），子阵列天线（312-2）包括天线（311-1,3）和 天线（311-4）。 阵列旋转单元（342）将所计算的两个空间矩阵的第一空间矩阵转换成其复共轭。 空间平均单元（343）对第一空间矩阵和第二空间矩阵的复共轭进行平均。
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公开(公告)号：US08599071B2
公开(公告)日：2013-12-03
申请号：US13079415
申请日：2011-04-04
CPC分类号： G01S3/043 , G01S3/14 , H04B7/086 , H04L27/2601
摘要： A device for estimating a direction-of-arrival of a radio wave, the device comprising an array antenna including a plurality of antenna elements for receiving a high frequency signal, a demultiplexer for demultiplexing the received high frequency signal for each of the plurality of antenna elements to generate a plurality of frequency component signals and a direction estimating unit for estimating the direction-of-arrival of the radio wave by using two or more of the plurality of frequency component signals which are contiguous in a frequency direction.
摘要翻译： 一种用于估计无线电波的到达方向的装置，该装置包括：阵列天线，包括用于接收高频信号的多个天线元件;解复用器，用于对接收到的多个天线中的每个天线的高频信号进行解复用 用于生成多个频率分量信号的单元;以及方向估计单元，用于通过使用在频率方向上连续的多个频率分量信号中的两个或更多个来估计无线电波的到达方向。
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公开(公告)号：US08189649B2
公开(公告)日：2012-05-29
申请号：US12687453
申请日：2010-01-14
IPC分类号： H04B1/38
CPC分类号： H04B7/0619 , H04B7/0617 , H04B7/086 , H04B17/11 , H04B17/21
摘要： In a wireless communication apparatus adopting a time division duplex system for executing transmission and reception using a plurality of antennas, deviation of amplitude and phase occurring between transmission and reception circuits is detected and corrected using a communication signal. Channel estimation means 105 detects channel information based on reception output of reception circuits 104-1 to 104-N provided in a one-to-one correspondence with a plurality of antennas 101-1 to 101-N. Correction value detection means 110 finds a correction value for correcting deviation occurring between each of transmission circuits 103-1 to 103-N and each of the reception circuits 104-1 to 104-N based on the channel information. A wireless communication apparatus 100 transmits an already known signal (training signal) to a base station with which the wireless communication apparatus conducts communications. The base station executes channel estimation based on the already known signal and generates and transmits a correction signal (probe signal). The correction value detection means 110 of the wireless communication apparatus 100 detects the correction value using the correction signal (probe signal).
摘要翻译： 在采用使用多个天线执行发送和接收的时分双工系统的无线通信装置中，使用通信信号来检测和校正发送和接收电路之间发生的振幅和相位的偏差。 信道估计装置105基于与多个天线101-1至101-N一一对应地提供的接收电路104-1至104-N的接收输出来检测信道信息。 修正值检测单元110基于通道信息，求出用于校正发送电路103-1〜103-N和各接收电路104-1〜104-N的偏差的校正值。 无线通信装置100向无线通信装置进行通信的基站发送已知的信号（训练信号）。 基站根据已知的信号进行信道估计，生成并发送校正信号（探测信号）。 无线通信装置100的校正值检测装置110使用校正信号（探测信号）来检测校正值。
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公开(公告)号：US08165248B2
公开(公告)日：2012-04-24
申请号：US12639754
申请日：2009-12-16
IPC分类号： H04L27/06
CPC分类号： H04B17/318 , H04B17/27
摘要： A wireless distance measurement system and wireless terminal improve the accuracy of distance measurement when the UWB communication scheme is used. In wireless terminal 200, a route of signals varies between a distance measuring operation and a synchronization establishing operation, and, when the distance measuring operation is performed, a detection result is inputted to comparator 208 without passing through integrator 204. By this means, the distance measuring operation of wireless terminal 200 does not involve integration processing, so that delay time due to integration processing is not produced and, consequently, it is possible to improve the accuracy of distance measurement. Further, the distance measuring operation uses the integration result acquired integrator 204 for a comparison reference voltage used in comparator 208. By this means, the integration result removing noise signal components from a detection signal is used for the comparison reference voltage, so that the comparison reference voltage is optimized. Consequently, it is possible to further improve the accuracy of distance measurement.
摘要翻译： 当使用UWB通信方案时，无线距离测量系统和无线终端提高距离测量的准确性。 在无线终端200中，信号路径在距离测量操作和同步建立操作之间变化，并且当执行距离测量操作时，检测结果被输入到比较器208而不经过积分器204.通过这种方式， 无线终端200的距离测量操作不涉及积分处理，因此不会产生由于积分处理而引起的延迟时间，因此能够提高距离测量的精度。 此外，距离测量操作使用积分结果获取积分器204用于比较器208中使用的比较参考电压。通过这种方式，从检测信号中去除噪声信号分量的积分结果用于比较参考电压，使得比较 参考电压被优化。 因此，可以进一步提高距离测量的精度。
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