公开(公告)号：US07983352B2

公开(公告)日：2011-07-19

申请号：US11532490

申请日：2006-09-15

申请人： Ye Li ,  Anthony C. K. Soong ,  Jianmin Lu

发明人： Ye Li ,  Anthony C. K. Soong ,  Jianmin Lu

IPC分类号： H04L1/02

CPC分类号： H04W52/42 ,  H04B7/04 ,  H04B7/0669

摘要： A telecommunication network component, comprising: a memory configured to store instructions, and a processor configured to execute the stored instructions, the instructions comprising: determining a plurality of power allocation adjustments for signals transmitted via an antenna array that promotes decision-feedback detection without using channel state information, and outputting the power allocation adjustments to the array. Also disclosed is a power allocation method comprising: determining a power allocation scheme that promotes decision-feedback detection in a multiple-input and multiple-output system without using channel state information, and implementing the power allocation scheme on an antenna array by modifying an adjustment for each of a plurality of antennas in the array.

摘要翻译： 一种电信网络组件，包括：被配置为存储指令的存储器和被配置为执行所存储的指令的处理器，所述指令包括：确定用于经由天线阵列发送的信号的多个功率分配调整，所述天线阵列促进判决反馈检测而不使用 信道状态信息，并且将功率分配调整输出到阵列。 还公开了一种功率分配方法，包括：在不使用信道状态信息的情况下，确定促进多输入和多输出系统中的判决反馈检测的功率分配方案，以及通过修改调整来实现天线阵列上的功率分配方案 对于阵列中的多个天线中的每一个。

公开(公告)号：US07940852B2

公开(公告)日：2011-05-10

申请号：US12315300

申请日：2008-12-02

申请人： Justin C. Chuang ,  Ye Li ,  Lang Lin

发明人： Justin C. Chuang ,  Ye Li ,  Lang Lin

IPC分类号： H04L5/12 ,  H04L1/02

CPC分类号： H04L25/0204 ,  H04L27/2647

摘要： A method for decoding a received signal comprising the steps of receiving a signal at a plurality of antennas, applying Fast Fourier transformations to the received signal, estimating channel characteristics of a channel over which the signal was transmitted using iterative processing and decoding the transformed signal.

摘要翻译： 一种用于对接收信号进行解码的方法，包括以下步骤：在多个天线处接收信号，对接收到的信号应用快速傅立叶变换，使用迭代处理估计发送信号的信道的信道特性并解码变换后的信号。

公开(公告)号：US07305051B2

公开(公告)日：2007-12-04

申请号：US11508480

申请日：2006-08-22

申请人： Ye Li

发明人： Ye Li

IPC分类号： H03D1/00 ,  H04L27/06

CPC分类号： H04L25/024 ,  H04L1/06 ,  H04L7/0008 ,  H04L25/0206 ,  H04L25/0226 ,  H04L25/0228 ,  H04L27/2601 ,  H04L27/261 ,  H04L27/2613

摘要： In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols that produce zero cross-correlation energy. Channel communication can accordingly be simplified as the zero cross-correlation property allows for channel estimation without a matrix inversion.

摘要翻译： 在各种实施例中，提供技术以通过使用产生零互相关能量的各种训练符号来确定诸如OFDM系统或使用多个发射天线的系统的各种通信系统的信道特性。 因此，可以简化通道通信，因为零互相关特性允许无矩阵求逆的信道估计。

公开(公告)号：US20070030919A1

公开(公告)日：2007-02-08

申请号：US11545257

申请日：2006-10-10

申请人： Ye Li

发明人： Ye Li

IPC分类号： H04B7/02 ,  H04L27/06

CPC分类号： H04L25/0228 ,  H04L25/0204 ,  H04L25/0242 ,  H04L27/261

摘要： In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols.

摘要翻译： 在各种实施例中，提供了通过使用各种训练符号组来确定诸如OFDM系统或使用多个发射天线的系统的各种通信系统的信道特性的技术。

公开(公告)号：US07099413B2

公开(公告)日：2006-08-29

申请号：US09774875

申请日：2001-02-01

申请人： Justin C. Chuang ,  Ye Li ,  Lang Lin

发明人： Justin C. Chuang ,  Ye Li ,  Lang Lin

IPC分类号： H04B7/08

CPC分类号： H04L25/0204 ,  H04L27/2647

摘要： Joint channel estimation and maximum likelihood decoding method for Coded Orthogonal Frequency Division Multiplexing (COFDM) systems are presented. Using this method in conjunction with convolutional coding, robust and nearly optimal coherent detection can be achieved in rapid dispersive fading channels. Significant performance gain in packet data throughput is realized in a system with aggressive frequency reuse. A method for estimating channel characteristics in a multicarrier transmission system comprising the steps of receiving a multicarrier signal, applying Fast Fourier transformations to the multicarrier signal, estimating channel characteristics of a multicarrier channel over which the multicarrier signal was transmitted using a combination of iterative forward processing and iterative backward processing, and decoding the transformed multicarrier signal is presented.

摘要翻译： 提出了编码正交频分复用（COFDM）系统的联合信道估计和最大似然解码方法。 使用这种方法结合卷积编码，可以在快速色散衰落通道中实现鲁棒和近似最佳的相干检测。 在具有激进频率重用的系统中实现了分组数据吞吐量的显着性能增益。 一种用于估计多载波传输系统中的信道特性的方法，包括以下步骤：接收多载波信号，对所述多载波信号应用快速傅立叶变换，使用迭代前向处理的组合估计多载波信号在其上传输的信道特性 并进行迭代反向处理，并对变换后的多载波信号进行解码。

公开(公告)号：US06473393B1

公开(公告)日：2002-10-29

申请号：US09215074

申请日：1998-12-18

申请人： Siritiat Lek Ariyavisitakul ,  Ye Li ,  Nambirajan Seshadri ,  Vahid Tarokh

发明人： Siritiat Lek Ariyavisitakul ,  Ye Li ,  Nambirajan Seshadri ,  Vahid Tarokh

IPC分类号： H04J1100

CPC分类号： H04L25/0228 ,  H04L1/06 ,  H04L25/0204 ,  H04L25/0212 ,  H04L27/2647

摘要： In a receiver that includes a plurality of receiving antennas that supply signals to associated OFDM receiving modules, and the receiving modules provide signals that are applied to a detector, channel parameters that are needed for proper detection are estimated during normal operation, in addition to an initial estimate based on a known training sequence. In computing the channel impulse response estimates between the signal received at that receiving antenna and the various transmitting antennas, an nK0×nK0 matrix of terms (qxy[l]) is developed. The inverse of the matrix is then computed, and the computed matrix inverse is multiplied by a vector of terms (pi[l]), to obtain a vector of nK0-sample channel impulse response estimates.

摘要翻译： 在包括向相关联的OFDM接收模块提供信号的多个接收天线的接收机中，并且接收模块提供应用于检测器的信号，在正常操作期间估计正常检测所需的信道参数，除了 基于已知训练序列的初始估计。 在计算在该接收天线处接收到的信号与各种发射天线之间的信道脉冲响应估计时，开发了一个项（qxy [1]）的nK0xnK0矩阵。 然后计算矩阵的逆，并将计算的矩阵逆乘以项（pi [1]）的向量，以获得nK0采样信道脉冲响应估计的向量。

公开(公告)号：US06426816B1

公开(公告)日：2002-07-30

申请号：US09614782

申请日：2000-07-12

申请人： Kuang-Yi Wu ,  Charles Wong ,  Jian-Yu Liu ,  Ye Li

发明人： Kuang-Yi Wu ,  Charles Wong ,  Jian-Yu Liu ,  Ye Li

IPC分类号： H04J1406

CPC分类号： H04J14/02

摘要： The inventive filter forms a four filtering stage device from two filtering stages and a reflective stage. This greatly reduces the noise level in a WDM signal, wherein the signal is one of the odd channels and the even channels, while the noise is present on the other of the odd channels and the even channels. The first stage separates the WDM signal and noise into their polarization components, rotates the components of one of the signal and the noise, and recombines the components of the signal, while blocking a portion of the noise. This output is passed to the second stage which repeats the operation of the first stage. The output of the second stage is then reflected by the reflecting stage back to the second stage, and subsequently the first stage, for processing in reverse order. The inventive filter, via the mirror in the reflecting stage, reduce dispersion of the light during processing.

摘要翻译： 本发明的滤波器从两个滤波级和反射级形成四个滤波级装置。 这大大降低了WDM信号中的噪声电平，其中信号是奇数通道和偶数通道之一，而噪声存在于奇数通道和偶数通道中的另一个上。 第一级将WDM信号和噪声分离成它们的偏振分量，旋转信号和噪声之一的分量，并重新组合信号的分量，同时阻挡噪声的一部分。 该输出被传递到重复第一阶段的操作的第二阶段。 然后第二级的输出被反射级反射回到第二级，随后被反射到第一级，以相反的顺序进行处理。 本发明的滤光器通过反射级中的反射镜减少了处理过程中光的分散。

公开(公告)号：US20220298858A1

公开(公告)日：2022-09-22

申请号：US17336316

申请日：2021-06-02

申请人： Xiaojian Li ,  Ye Li

发明人： Xiaojian Li ,  Ye Li

IPC分类号： E06B9/70 ,  E06B9/06 ,  E06B9/88

摘要： The disclosure discloses an intelligent controller for automatically adjusting slat angles of a window shutter, comprising a controller box and a window shutter. The controller box comprises a body case, a battery, a control board, a motor and a linear bearing, the linear bearing is connected to the motor, a slide rod, which is retractable with respect to the linear bearing, is mounted on the linear bearing, and a rod slot is provided on a side face of the body case. The control board comprises a mainboard, a Hall board and a connection board which are connected in sequence, the Hall board, the connection board and the motor are electrically connected in sequence, and the mainboard is electrically connected to the battery. An interconnecting piece matched with the slide rod is provided on the window shutter, and the slide rod is retractable and slides along the rod slot to control the opening and closing of slats of the window shutter. According to the disclosure, the controller can be used with wireless remote control and mobile APPs to achieve control, which is intelligent and convenient and can greatly reduce the users' labor intensity. It adopts the lithium battery as a power supply and thus is safe and reliable. It is easy for installation and operation without any damage to the window shutter and wall structure and is suitable for self-installation by users.

公开(公告)号：US08705452B2

公开(公告)日：2014-04-22

申请号：US13372313

申请日：2012-02-13

申请人： Ye Li ,  Nelson Ray Sollenberger ,  Jack Harriman Winters

发明人： Ye Li ,  Nelson Ray Sollenberger ,  Jack Harriman Winters

IPC分类号： H04W4/08 ,  H04W40/06 ,  H04W72/08 ,  H04H20/30 ,  H04H20/71

CPC分类号： H04B1/0475 ,  H04B7/0413 ,  H04B7/0669 ,  H04L5/0023 ,  H04L27/2626 ,  H04L27/2647 ,  H04W88/08

摘要： A wireless multiple-input multiple output (MIMO) communication system includes signaling simulcasting. Base stations include a plurality of transmit antennas and terminals include a plurality of receive antennas to form MIMO channels. In one embodiment, a simulcasting MIMO wireless communication system includes orthogonal frequency division multiplexing (OFDM). This arrangement achieves the spectral efficiency advantages of OFDM and simulcasting.

摘要翻译： 无线多输入多输出（MIMO）通信系统包括信令同时广播。 基站包括多个发射天线，并且终端包括多个接收天线以形成MIMO信道。 在一个实施例中，同时广播的MIMO无线通信系统包括正交频分复用（OFDM）。 这种安排实现了OFDM和同时播送的频谱效率优势。

公开(公告)号：US20120321023A9

公开(公告)日：2012-12-20

申请号：US13296610

申请日：2011-11-15

申请人： Ye Li ,  Nelson Ray Sollenberger ,  Jack Harriman Winters

发明人： Ye Li ,  Nelson Ray Sollenberger ,  Jack Harriman Winters

IPC分类号： H04L27/06

CPC分类号： H04L27/2601 ,  H04L1/0618

摘要： A MIMO OFDM system includes a plurality of space-time encoders for encoding respective data blocks with independent space-time codes. The transformed data block signals are transmitted by a plurality of transmit antennas and received by a plurality of receive antennas. The received data is pre-whitened prior to maximum likelihood detection. In one embodiment, successive interference cancellation can be sued to improve system performance. Channel parameter estimation can be enhanced by weighting the channel impulse response estimates based upon a deviation from average.

摘要翻译： MIMO OFDM系统包括用于对具有独立时空码的各个数据块进行编码的多个时空编码器。 经变换的数据块信号由多个发射天线发射并由多个接收天线接收。 接收的数据在最大似然检测之前被预先白化。 在一个实施例中，可以起诉连续的干扰消除以改善系统性能。 可以通过基于偏离平均值的信道脉冲响应估计来加权信道参数估计。