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公开(公告)号：US06710716B1
公开(公告)日：2004-03-23
申请号：US10048538
申请日：2002-01-31
IPC分类号： G08B2100
CPC分类号： H03D1/18
摘要： A high performance power detector not only suited for monolithic structures, small in size, low in cost, and suitabed for broadband high frequency operations, but also excellent in the linearity of the detection characteristic, having a small fluctuation of detection characteristic relative to the bias fluctuation, having a small fluctuation of detection characteristic relative to the FET threshold voltage fluctuation, and in addition having a small DC offset wherein an additional circuit is unnecessary even if the latter stage circuit has a balance input, and a demodulator using the same.
摘要翻译： 高性能功率检测器不仅适用于单块结构，尺寸小，成本低，适用于宽带高频操作，而且具有优异的检测特性线性度，相对于偏置具有较小的检测特性波动 波动，相对于FET阈值电压波动具有小的检测特性波动，并且另外具有小的DC偏移，其中即使后级电路具有平衡输入也不需要附加电路，以及使用该偏移的解调器。
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公开(公告)号：US06600913B1
公开(公告)日：2003-07-29
申请号：US09698574
申请日：2000-10-27
IPC分类号： H04B126
摘要： A two-port millimeter-wave demodulation device is particularly adapted for wireless 60 GHz transmission systems. The device for the downconversion and demodulation of a modulated RF signal does not comprise a mixing stage. The RF signal to be downconverted is supplied to a linear two-port device having a single power sensor connected to the output of the two-port device. The two-port device comprises a three-port junction having two inputs and one output connected to the power sensor. One input of the three-port junction is supplied to the RF signal and the other input of the three-port junction is supplied (without switching) with a further RF signal originating either from a local oscillator or with a signal derived from the RF signal to be downconverted. FIG. 2
摘要翻译： 双端口毫米波解调装置特别适用于无线60GHz传输系统。用于下变频和解调调制RF信号的装置不包括混频级。 将要下变频的RF信号提供给具有连接到双端口设备的输出的单个功率传感器的线性双端口设备。 双端口装置包括具有两个输入端和一个输出端连接到功率传感器的三端口结。 三端口的一个输入端被提供给RF信号，并且三端口结的另一个输入端被提供（不用切换），另外一个来自本地振荡器的RF信号或者从RF信号得到的信号 下转换。 2
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公开(公告)号：US06377616B1
公开(公告)日：2002-04-23
申请号：US09286893
申请日：1999-04-06
IPC分类号： H04B346
CPC分类号： G01R35/005 , H03D1/22 , H04B1/30 , H04L27/2273 , H04L27/2332
摘要： According to the present invention a method for calibrating a six-port receiver as well as a receiving apparatus are provided. The receiving apparatus according to the present invention comprises a six-port receiver with a passive circuit (7) with two inputs, at least one input being supplied with a high frequency signal to be measured, and at least three outputs supplying power levels P1, P2, P3, P4 for a signal processing unit (10) which calculates a complex signal based on the at least three power levels P1, P2, P3, P4 and calibration coefficients. Furthermore the receiving apparatus according to the present invention comprises devices (30, 35, 36) for supplying a predetermined calibration sequence with different symbols to the at least one input for the signal to be measured. The signal processing unit (10) calculates the calibration coefficients based on the calibration sequence.
摘要翻译： 根据本发明，提供了一种用于校准六端口接收机以及接收装置的方法。 根据本发明的接收装置包括具有两个输入的无源电路（7）的六端口接收器，至少一个输入被提供有待测量的高频信号，以及提供功率电平P1， P2，P3，P4，用于基于至少三个功率电平P1，P2，P3，P4和校准系数计算复信号的信号处理单元（10）。 此外，根据本发明的接收装置包括用于将具有不同符号的预定校准序列提供给要测量的信号的至少一个输入的装置（30,35,36）。 信号处理单元（10）基于校准序列计算校准系数。
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公开(公告)号：US20180335512A1
公开(公告)日：2018-11-22
申请号：US15599491
申请日：2017-05-19
摘要： The present invention discloses an mm-wave radar sensor to be deployed in the vehicles for parking sensor, as well as in industrial environments, robotics environments and other environments for addressing distance calculations from 0 cm to above 10 m.The key system relevant components of the proposed systems are: utilization of mm-wave integrated radar SOC, supporting FMCW radar operation principle and CW radar operations, with additional analog functionality being integrated on SOC, planar antenna structure, and specific method of operation of switching from FMCW operation mode to the CW operation mode.Preferably, the system, being integrated as HW module with SW components is using non licensed 60 GHz or 77-79 GHz frequency band with integrated RF radar SOC with PLL, with physical size less than 2×2×0.5 cm, and it is used for moving and parking assistance, being integrated as invisible in the vehicle body.
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25.发明授权Circular polarized planar printed antenna concept with shaped radiation pattern 失效圆形极化平面印刷天线概念与形状辐射图公开(公告)号：US06339406B1
公开(公告)日：2002-01-15
申请号：US09195378
申请日：1998-11-18
IPC分类号： H01Q2126
摘要： The present invention relates to a circular polarized antenna with a dielectric substrate (11) comprising a front and a back dielectric face (12, 13), a first and a second subantenna (14, 15), each comprising a first and a second element for radiating and receiving circular polarized electromagnetic signals, the first and second subantenna being arranged orthogonal to each other on the dielectric substrate (11) and having essentially conjugate complex impedances, a transmission line (18, 25, 30, 46) connected with the first and second subantenna for transmitting signals to and from said first and second subantenna and a reflector (16) spaced to and parallel with the back face (23) of the dielectric substrate (11), a low loss material (17) being located between said reflector means (16) and said back face (13). This structure provides a radiation pattern with a variable shape. Further, this antenna can be printed onto a corresponding substrate and therefor be produced at low cost.
摘要翻译： 本发明涉及一种具有介电基片（11）的圆极化天线，该电介质基片包括一个前和后电介质面（12,13），一个第一和第二副天线（14,15），每个包括一个第一和第二个元件 为了辐射和接收圆偏振电磁信号，第一和第二子天线在电介质基片（11）上彼此正交布置并且具有基本上共轭的复阻抗;传输线（18,25,30,46），与第一 和用于向所述第一和第二副天线发射信号的第二子天线和与电介质基板（11）的背面（23）间隔开并平行的反射器（16），位于所述第一和第二子天线之间的低损耗材料（17） 反射器装置（16）和所述背面（13）。 这种结构提供具有可变形状的辐射图。 此外，该天线可以印刷到相应的基板上，并且以低成本生产。
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公开(公告)号：US07130361B1
公开(公告)日：2006-10-31
申请号：US09676152
申请日：2000-09-29
IPC分类号： H04L27/14
CPC分类号： H04L27/263 , H04L27/265
摘要： An OFDM telecommunication device, i.e. a receiver, transmitter or transceiver for OFDM—(Orthogonal Frequency-Division Multiplex) signals that generally employs the Inverse Fourier Transformation (IFT) technique to encode and transmit time-division multiplex signals and the Fourier Transformation (FT) technique to decode the received signals into time-division multiplex signals comprises a transformation unit (2) that incorporates at least an analog multiplication step and at least an analog convolution step of a multiplication convolution multiplication algorithm or a convolution multiplication convolution signal to perform a fourier transformation for demodulation and/or an inverse fourier transformation for modulation into the analog stage of said OFDM telecommunication device.
摘要翻译： OFDM通信设备，即用于OFDM-（正交频分复用）信号的接收机，发射机或收发机，其通常采用逆傅里叶变换（IFT）技术来编码和发送时分复用信号和傅里叶变换（FT） 将接收的信号解码为时分多路复用信号的技术包括：变换单元（2），其至少包含模拟乘法步骤和至少乘法卷积乘法算法或卷积乘积卷积信号的模拟卷积步骤，以执行傅里叶变换 用于解调和/或用于调制到所述OFDM电信设备的模拟级的逆傅立叶变换的变换。
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公开(公告)号：US06823181B1
公开(公告)日：2004-11-23
申请号：US10070283
申请日：2002-07-23
申请人： Ryuji Kohno , Masayoshi Abe , Noboru Sasho , Shinichiro Haruyama , Robert Henry Morelos-Zaragoza , Francis Swarts , Pieter Van Rooyen , Yukitoshi Sanada , Lachlan Bruce Michael , Hamid Amir-Alikhani , Veselin Brankovic
发明人： Ryuji Kohno , Masayoshi Abe , Noboru Sasho , Shinichiro Haruyama , Robert Henry Morelos-Zaragoza , Francis Swarts , Pieter Van Rooyen , Yukitoshi Sanada , Lachlan Bruce Michael , Hamid Amir-Alikhani , Veselin Brankovic
IPC分类号： H04B126
CPC分类号： H04B1/30 , H03D1/2245 , H04L27/2273 , H04L27/2332
摘要： The universal platform for the SDR of the present invention employs the direct conversion approach with the n-port MMIC followed by reconfigurable reprogrammable devices such as DSP's or FPGA's. The universal platform is based on the linear operation of the devices. Thus, the DC offset problem may be solved. It is also possible to support very wide bandwidths compared with conventional I/Q receivers. Therefore, the present universal platform is suitable for multimode and multiband communications.
摘要翻译： 本发明的SDR的通用平台采用n端口MMIC的直接转换方法，其次是可重新配置的可编程器件，如DSP或FPGA。 通用平台基于设备的线性操作。 因此，可以解决DC偏移问题。 与传统I / Q接收机相比，也可以支持非常宽的带宽。 因此，目前的通用平台适用于多模和多频通信。
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公开(公告)号：US06593895B2
公开(公告)日：2003-07-15
申请号：US10178688
申请日：2002-06-24
IPC分类号： H01Q928
CPC分类号： H01Q13/085 , H01Q1/36 , H01Q1/38 , H01Q9/285 , H01Q13/08
摘要： The present invention relates to an antenna (1), comprising a dielectric substrate (2) comprising a front (3) and a back (4) dielectric face, at least one dipole element comprising a first (5) and a second (6) element for radiating and receiving electromagnetic signals, said first element (5) being printed on said front face (3) and said second element (6) being printed on said back face (4), said first and said second element having a spiral shape, respectively, both spirals being open, and metal feeding elements for supplying signals to and from said dipole element, said metal feeding elements comprising a first line (7) printed on said front face (3) and to said first element (5) coupled at a first feeding point and a second line (8) printed on said back (4) face and coupled to said second element (6) at a second feeding point, said first and said second feeding point overlapping each other. The present invention further relates to a phased array antenna comprising a plurality of proposed single antenna elements (1) with a feeding network based on tapered structures.
摘要翻译： 本发明涉及一种包括电介质基片（2）的天线（1），包括前部（3）和背面（4）电介质面，至少一个偶极元件包括第一（5）和第二（6） 用于辐射和接收电磁信号的元件，所述第一元件（5）印刷在所述前表面（3）上，所述第二元件（6）印刷在所述背面（4）上，所述第一和所述第二元件具有螺旋形状 分别为两个螺旋开放的金属供给元件和用于向所述偶极元件提供信号的金属馈送元件，所述金属馈电元件包括印刷在所述前表面（3）和所述第一元件（5）上的第一线（7） 在第一馈电点和印刷在所述背面（4）面上的第二线（8）上并且在第二馈电点处耦合到所述第二元件（6），所述第一和第二馈电点彼此重叠。 本发明还涉及一种相控阵天线，其包括多个提出的基于锥形结构的馈电网络的单个天线元件（1）。
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公开(公告)号：US06363125B1
公开(公告)日：2002-03-26
申请号：US09115034
申请日：1998-07-14
申请人： Veselin Brankovic
发明人： Veselin Brankovic
IPC分类号： H04L27233
CPC分类号： H04L27/2331 , H03D1/2245 , H04B1/30
摘要： According to the present invention a method and a receiver for high-frequency signals is provided. The receiver comprises a power divider (4) to divide a modulated RF input signal in at least two branches. At least one delay line (5, 6) provides for a delay of the branches relatively to each other by a predetermined delay constant. A calculation circuit (7, 8) calculates at least three power levels based on combinations (12, 13, 14) of the two branches of the input signal relatively delayed (5, 6) to each other. A processing means (10) calculates the phase and the amplitude of a complex signal representing the relation between the two branches of the input signal relatively delayed to each other, on the basis of the said at least three power levels (8). The invention therefore provides for a direct 6-port receiver based on non-coherent detection. The concept of the invention is inherently cheap and features high integration ability and low-cost processes. Ideally the whole RF front end can be placed on one chip.
摘要翻译： 根据本发明，提供了一种用于高频信号的方法和接收器。 接收机包括功率分配器（4），用于在至少两个分支中分配调制的RF输入信号。 至少一个延迟线（5,6）提供分支相对于彼此延迟预定延迟常数的延迟。 计算电路（7,8）基于相对延迟（5,6）的输入信号的两个分支的组合（12,13,14）来计算至少三个功率电平。 处理装置（10）基于所述至少三个功率电平（8），计算代表彼此相对延迟的输入信号的两个分支之间的关系的复数信号的相位和幅度。 因此提供了基于非相干检测的直接6端口接收机。 本发明的概念固有地廉价，具有高集成能力和低成本的流程。 理想情况下，整个RF前端可以放置在一个芯片上。
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公开(公告)号：US06714602B1
公开(公告)日：2004-03-30
申请号：US10149209
申请日：2002-10-04
IPC分类号： H03D308
摘要： A high performance demodulator, capable of realizing further broadband characteristics, low distortion, a low power consumption, and small fluctuation in characteristics against fluctuations in temperature and fluctuations over time compared with a conventional multi-port demodulators, wherein a two-terminal first phase shifter 1004, three-terminal second branch circuit 1002, two-terminal second phase shifter 1005, and three-terminal third branch circuit 1003 are connected in series between a first signal input terminal TINSr for a reception signal and a second signal input terminal TINSlo for a local signal, a third terminal c of a first branch circuit 1001 is connected to a first power detection circuit 1006, a third terminal c of the second branch circuit 1002 is connected to a second power detection circuit 1007, and a third terminal c of the third branch circuit 1003 is connected to a third power detection circuit 1008, and comprising an N-port signal-IQ signal conversion circuit 1009 for receiving output signals P1, P2, and P3 of the first to third power detection circuits 1006 to 1008 and converting the same to demodulation signals, that is, in-phase signal I(t) and a quadrature signal Q(t), by a computation circuit.
摘要翻译： 一种高性能解调器，与传统的多端口解调器相比，能够实现进一步的宽带特性，低失真，低功耗以及相对于温度波动和随时间变化的小波动特性，其中两端第一移相器 1004，三端子第二分支电路1002，二端子第二移相器1005和三端子第三分支电路1003串联连接在用于接收信号的第一信号输入端子TINSr和用于接收信号的第二信号输入端子TINSlo之间 本地信号，第一分支电路1001的第三端子cc连接到第一功率检测电路1006，第二分支电路1002的第三端子cc连接到第二功率检测电路1007，第三端子c 第三分支电路1003连接到第三电力检测电路1008，并且包括N端口信号IQ信号转换电路 1009，用于接收第一至第三功率检测电路1006至1008的输出信号P1，P2和P3，并将其转换为解调信号，即同相信号I（t）和正交信号Q（t） 通过计算电路。
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