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1. 发明授权

US11269052B2 Signal processing method 有权
公开(公告)号：US11269052B2
公开(公告)日：2022-03-08
申请号：US16728268
申请日：2019-12-27
申请人： NATIONAL CHIAO TUNG UNIVERSITY
发明人： Ta-Sung Lee , Yu-Chien Lin , Yun-Han Pan
IPC分类号： G01S7/35 , G01S13/06 , G01S13/00
摘要： A signal processing method is provided. First, at least one transmitted signal is output to at least one target, and the target reflects at least one reflected signal to receiving antennas, which then generate receiving signals upon receipt of the reflected signal. Next, the transmitted signal and each receiving signal are processed to generate processing signals. The processing signals are arranged in a form of matrix, to generate a channel coefficient matrix having M×N channel coefficient matrix blocks. Next, the channel coefficient matrix is divided into Ndivide×Mdivide secondary channel coefficient matrices, which are then substituted into a snapshot vector matrix equation to generate a snapshot vector matrix for calculating an angle of the target. The signal processing method can establish an optimal secondary channel coefficient matrix arrangement by using a special signal preprocessing manner, to improve the resolution and accuracy of the estimated angle parameter of the target.

2. 发明申请

US20210399816A1 SYSTEM FOR SYNTHESIZING SIGNAL OF USER EQUIPMENT AND METHOD THEREOF 有权
公开(公告)号：US20210399816A1
公开(公告)日：2021-12-23
申请号：US17028786
申请日：2020-09-22
申请人： National Chiao Tung University
发明人： En Cheng Liou , Ta-Sung Lee , Chia-Hung Lin , Yu-Chien LIN
IPC分类号： H04B17/391 , H04W24/10 , H04W24/06
摘要： A system for synthesizing signal of user equipment and a method thereof are provided. The system includes a physical channel modeler and a physical channel training module. The physical channel modeler receives geo information of a field under test of and a sparse real physical field channel feature to build a physical channel model. The physical channel modeler estimates a plurality of predefined positions of the geo information to obtain a plurality of simulated physical field channel features corresponding to the predefined positions. The physical channel training module receives and performs training on the geo information, the sparse real physical field channel feature and the simulated physical field channel features by using an AI algorithm to perform an inference of a fully real physical field channel feature.

3. 发明授权

US09411035B2 Method and electronic apparatus for angle estimation verification 有权
标题翻译：用于角度估计验证的方法和电子装置
公开(公告)号：US09411035B2
公开(公告)日：2016-08-09
申请号：US14106853
申请日：2013-12-16
申请人： National Chiao Tung University
发明人： Tsung-Yu Tsai , Chung-Jung Huang , Ta-Sung Lee
IPC分类号： G01S13/93 , G01S3/74 , G01S7/40 , G01S13/34 , G01S13/42
CPC分类号： G01S3/74 , G01S7/40 , G01S7/4026 , G01S13/34 , G01S13/42 , G01S13/931
摘要： A method for angle estimation verification, adapted for verifying an estimated angle calculated by an electronic apparatus having an angle estimator and at least three antennas, is provided. The estimated angle is extracted from the angle estimator. An autocorrelation matrix is generated according to a signal vector formed by a plurality of measurements of a received signal received by each of the antennas so as to obtain a plurality of eigenvalues. Among phase difference data generated by a plurality of antenna groups formed by all different combinations of two of the antennas, a plurality of possible estimated angles corresponding to the phase difference data not caused by a coterminal angle effect are calculated. According to the eigenvalues and the possible estimated angles, whether the received signal corresponds to a single target or multiple targets is determined so as to verify the reliability of the estimated angle.
摘要翻译：提供一种用于角度估计验证的方法，用于验证由具有角度估计器和至少三个天线的电子设备计算出的估计角度。从角度估计器提取估计角度。根据由每个天线接收的接收信号的多个测量形成的信号矢量生成自相关矩阵，以获得多个特征值。在由两个天线的全部不同组合形成的多个天线组生成的相位差数据中，计算出不是由终端角效应引起的相位差数据对应的多个可能的估计角度。根据特征值和可能的估计角度，确定接收信号是否对应于单个目标或多个目标，以便验证估计角度的可靠性。

4. 发明授权

US11360206B2 Detection device and detection method thereof 有权
公开(公告)号：US11360206B2
公开(公告)日：2022-06-14
申请号：US16922555
申请日：2020-07-07
申请人： NATIONAL CHIAO TUNG UNIVERSITY
发明人： Ta-Sung Lee , Kuan-Hen Lin , Yu-Chien Lin , Yun-Han Pan
IPC分类号： G01S13/34 , G01S13/58
摘要： The present invention provides a detection device and a method with simplified computing manner A transmitter transmits detection signals to an environment to detect a target. At least a portion of the detection signals are reflected by the target to generate a plurality of reflection signals. A receiver comprises a plurality of receiving units. Each of the receiving units receives the reflection signals to generate a receiving signal. A processing module connected to the receiver includes a conversion unit, an integration unit and a computing unit. The conversion unit converts the receiving signals into transformation signals by a time-domain to frequency-domain transformation. The integration unit integrates the transformation signals into a first integration signal and a second integration signal. The computing unit decomposes the first integration signal and the second integration signal to 1D arrays. The location or the speed of the target is determined by limiting target sites through detection algorithms and a crossed-validation method.

5. 发明授权

US11309980B2 System for synthesizing signal of user equipment and method thereof 有权
公开(公告)号：US11309980B2
公开(公告)日：2022-04-19
申请号：US17028786
申请日：2020-09-22
申请人： National Chiao Tung University
发明人： En Cheng Liou , Ta-Sung Lee , Chia-Hung Lin , Yu-Chien Lin
IPC分类号： H04B17/391 , H04W24/06 , H04W24/10
摘要： A system for synthesizing signal of user equipment and a method thereof are provided. The system includes a physical channel modeler and a physical channel training module. The physical channel modeler receives geo information of a field under test of and a sparse real physical field channel feature to build a physical channel model. The physical channel modeler estimates a plurality of predefined positions of the geo information to obtain a plurality of simulated physical field channel features corresponding to the predefined positions. The physical channel training module receives and performs training on the geo information, the sparse real physical field channel feature and the simulated physical field channel features by using an AI algorithm to perform an inference of a fully real physical field channel feature.

6. 发明授权

US11012867B1 Method of cell placement and related computer program product 有权
公开(公告)号：US11012867B1
公开(公告)日：2021-05-18
申请号：US16936445
申请日：2020-07-23
申请人： NATIONAL CHIAO TUNG UNIVERSITY
发明人： Ta-Sung Lee , Yu-Shan Chiu
IPC分类号： H04W16/28 , H04W16/18
摘要： A method of cell placement includes choosing the ray-tracing channel matrices for the Nth iteration according to candidate cell locations of the Nth iteration and the user distributions, calculating fitness values for the Nth iteration based on the ray-tracing channel matrices, substituting the fitness values for the Nth iteration and corresponding candidate cell locations for the best fitness and best candidate cell locations in a total iterative process respectively if the fitness values for the Nth iteration are greater than or equal to multiple thresholds and the best fitness in a total iterative process, storing candidate cell locations of the Nth iteration, and verifies termination criteria, if termination criteria are not satisfied at the Nth iteration, generating the candidate cell locations of the N+1th iteration.

7. 发明授权

US09134407B2 Motion parameter estimating method, angle estimating method and determination method 有权
标题翻译：运动参数估计方法，角度估计方法和测定方法
公开(公告)号：US09134407B2
公开(公告)日：2015-09-15
申请号：US13678560
申请日：2012-11-16
申请人： National Chiao Tung University
发明人： Chung-Jung Huang , Chia-Wei Dai , Tsung-Yu Tsai , Ta-Sung Lee
IPC分类号： G01S13/58 , G01S13/34 , G01S13/42 , G01S13/93
CPC分类号： G01S13/58 , G01S13/345 , G01S13/42 , G01S13/584 , G01S13/931 , G01S2013/9321 , G01S2013/9375
摘要： A motion parameter estimating method, an angle estimating method and a determination method are provided. The methods are adapted for an electronic device. In the angle estimating method, a first frequency modulation continuous wave signal is first transmitted, and at least one antenna receives a second frequency modulation continuous wave signal resulted by a target reflecting the first frequency modulation continuous wave signal. Multiple motion parameters associated with the target are then obtained according to the first frequency modulation continuous wave signal and the second frequency modulation continuous wave signal. Multiple measured values corresponding to the at least one antenna are obtained according to the motion parameters and configuration parameters of the at least one antenna, respectively. Afterwards, the measured values are substituted into a formula to obtain an estimated angle between a preset direction of the electronic device and the target.
摘要翻译：提供了运动参数估计方法，角度估计方法和确定方法。这些方法适用于电子设备。在角度估计方法中，首先发送第一频率调制连续波信号，并且至少一个天线接收由反映第一频率调制连续波信号的目标产生的第二频率调制连续波信号。然后根据第一频率调制连续波信号和第二频率调制连续波信号获得与目标相关联的多个运动参数。根据至少一个天线的运动参数和配置参数分别获得与至少一个天线对应的多个测量值。然后，将测量值代入公式中以获得电子设备的预设方向与目标之间的估计角度。

8. 发明申请

US20150097717A1 METHOD AND ELECTRONIC APPARATUS FOR ANGLE ESTIMATION VERIFICATION 有权
标题翻译：用于角度估计验证的方法和电子设备
公开(公告)号：US20150097717A1
公开(公告)日：2015-04-09
申请号：US14106853
申请日：2013-12-16
申请人： National Chiao Tung University
发明人： Tsung-Yu Tsai , Chung-Jung Huang , Ta-Sung Lee
IPC分类号： G01S13/02
CPC分类号： G01S3/74 , G01S7/40 , G01S7/4026 , G01S13/34 , G01S13/42 , G01S13/931
摘要： A method for angle estimation verification, adapted for verifying an estimated angle calculated by an electronic apparatus having an angle estimator and at least three antennas, is provided. The estimated angle is extracted from the angle estimator. An autocorrelation matrix is generated according to a signal vector formed by a plurality of measurements of a received signal received by each of the antennas so as to obtain a plurality of eigenvalues. Among phase difference data generated by a plurality of antenna groups formed by all different combinations of two of the antennas, a plurality of possible estimated angles corresponding to the phase difference data not caused by a coterminal angle effect are calculated. According to the eigenvalues and the possible estimated angles, whether the received signal corresponds to a single target or multiple targets is determined so as to verify the reliability of the estimated angle.
摘要翻译：提供一种用于角度估计验证的方法，用于验证由具有角度估计器和至少三个天线的电子设备计算出的估计角度。从角度估计器提取估计角度。根据由每个天线接收的接收信号的多个测量形成的信号矢量生成自相关矩阵，以获得多个特征值。在由两个天线的全部不同组合形成的多个天线组生成的相位差数据中，计算出不是由终端角效应引起的相位差数据对应的多个可能的估计角度。根据特征值和可能的估计角度，确定接收信号是否对应于单个目标或多个目标，以便验证估计角度的可靠性。

9. 发明授权

US11044026B1 System and method of emulating radio device 有权
公开(公告)号：US11044026B1
公开(公告)日：2021-06-22
申请号：US16916089
申请日：2020-06-29
申请人： NATIONAL CHIAO TUNG UNIVERSITY
发明人： En-Cheng Liou , Ta-Sung Lee , Yi-Wei Chen , Kai-Ten Feng
IPC分类号： H04B17/00 , H04B17/24
摘要： A system and method of emulating radio device includes a multi-radio unit, a multi-radio unit controller and an under-test radio system. The multi-radio unit includes multiple radio circuits, in which the radio circuits are configured to generate multiple radio emulated signals. The multi-radio unit controller coupled to the multi-radio unit is configured to generate multiple control signals to the multi-radio unit, in which the control signals are configured to control the radio emulated signals sent by the multi-radio unit. The under-test radio system is configured to receive the radio emulated signals generated by the multi-radio unit, and configured to generate multiple data corresponding to the radio emulated signals.

10. 发明授权

US10812205B1 Antenna performance evaluation method 有权
公开(公告)号：US10812205B1
公开(公告)日：2020-10-20
申请号：US16731760
申请日：2019-12-31
申请人： NATIONAL CHIAO TUNG UNIVERSITY
发明人： Ta-Sung Lee , Chia-Hung Lin , Yu-Chien Lin , Yi-Wei Chen
IPC分类号： H04B17/336 , H04B17/391 , H04B7/0413
摘要： An antenna performance evaluation method is disclosed. The method includes the following steps: measuring plurality of throughput values of the to-be-tested antenna at the first angle under different average radiation signal-to-interference ratio (SIR). The average radiation SIR and throughput values are fitted to output the first fitted curve. The second throughput value is measured at a certain average radiation SIR of the second angle of the to-be-tested antenna. Calculating a difference value between the first throughput value and the second throughput value corresponding to the same average radiation SIR, and the difference value and the first fitting curve constitute the transition second fitting curve. Selecting different average radiation SIR is repeatedly, and measure the corresponding second throughput value, and the corresponding difference value is calculated to update the transition second fitting curve. When the difference value is lower than the preset error range, the final second fitting curve is outputted.

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