公开(公告)号：US06498805B1

公开(公告)日：2002-12-24

申请号：US09433814

申请日：1999-11-03

Applicant: Tyler Brown ,  Michael Mao Wang ,  Fuyun Ling

Inventor： Tyler Brown ,  Michael Mao Wang ,  Fuyun Ling

IPC: H04B169

CPC classification number: H04L1/0071 ,  H04B2201/70701 ,  H04L1/0055 ,  H04L25/067 ,  H04L2027/003 ,  H04L2027/0046 ,  H04L2027/0087

Abstract: An apparatus and method provides channel phase compensation for a digital radio frequency RF channel, by analyzing a demodulated signal (24) communicated over the digital RF channel and generates data representing an estimate of a channel phase (28), based on channel symbol reliability data (242) generated for at least one channel symbol received over the RF channel. The apparatus and method iteratively generates channel symbol reliability data (242) for a same symbol until a frame containing the symbol is determined to either pass a frame error threshold or until a predetermined number of iterations of channel phase estimates for a symbol is detected.

Abstract translation: 一种装置和方法，通过分析通过数字RF信道传送的解调信号（24）并基于信道符号可靠性数据产生表示信道相位估计（28）的数据，为数字射频RF信道提供信道相位补偿 （242），用于通过RF信道接收的至少一个信道符号生成。 该装置和方法迭代地产生用于相同符号的信道符号可靠性数据（242），直到包含符号的帧被确定为通过帧错误阈值或者直到检测到符号的信道相位估计的预定次数为止。

公开(公告)号：US06466558B1

公开(公告)日：2002-10-15

申请号：US09414125

申请日：1999-10-08

Applicant: Fuyun Ling

Inventor： Fuyun Ling

IPC: H04Q700

CPC classification number: H04B1/7115 ,  H04B1/712 ,  H04B7/0854

Abstract: An optimum combiner that reduces the amount of interference imposed upon a first base station by transmissions of other base stations within the same communication system. Two antennas are used to receive transmissions within a receiving station. A rake receiver is coupled to each antenna. By optimally combining the signals that are received by each independent finger of the rake receiver, interference that is correlated between a finger associated with the first antenna and a finger associated with the second antenna can be minimized with respect to the desired signal. Optimum combining requires determination of optimum combining coefficients. A max-ratio combining algorithm may be substituted for the optimal combining algorithm depending upon interference characteristics.

Abstract translation: 一种最佳组合器，其通过在同一通信系统内的其它基站的传输来减少对第一基站施加的干扰量。 两个天线用于在接收站内接收传输。 耙式接收器耦合到每个天线。 通过最佳地组合由瑞克接收机的每个独立手指接收到的信号，可以相对于期望的信号来最小化与第一天线相关联的手指与与第二天线相关联的手指之间相关的干扰。 最佳组合需要确定最佳组合系数。 最大比组合算法可以取决于干扰特性的最佳组合算法。

公开(公告)号：US5737327A

公开(公告)日：1998-04-07

申请号：US624329

申请日：1996-03-29

Applicant: Fuyun Ling ,  David E. Borth ,  Colin D. Frank ,  Phillip D. Rasky ,  James F. Kepler

Inventor： Fuyun Ling ,  David E. Borth ,  Colin D. Frank ,  Phillip D. Rasky ,  James F. Kepler

IPC: H04B1/707 ,  H04B7/005 ,  H04B7/26 ,  H04J11/00 ,  H04J13/00 ,  H04L25/02 ,  H04J13/04 ,  H04Q7/20

CPC classification number: H04W52/60 ,  H04B1/707 ,  H04J13/00 ,  H04L25/0214 ,  H04W52/42 ,  H04L25/0226

Abstract: A receiver circuit (400, 500) receives a spread spectrum communication signal, such as a DS-CDMA signal, including a pilot channel and including a power control designator. The signal is despread and decoded. The pilot symbols on the pilot channel are provided to a channel estimator (408) for estimating the channel phase and channel gain of the communication channel. This estimate is provided to a demodulator (422) for demodulating the traffic channel symbols. The pilot symbols are provided to another channel estimator (410) for estimating channel phase and channel gain for the power control designator. This estimate is provided to a demodulator (424) for demodulating the power control designator. The traffic channel symbols are delayed a predetermined time in a delay element (420) before demodulating. The power control designator is delayed a short time or not at all in a short delay element (418) before demodulation.

Abstract translation: 接收机电路（400,500）接收包括导频信道并包括功率控制指示符的扩频通信信号，例如DS-CDMA信号。 信号被解扩和解码。 导频信道上的导频符号被提供给用于估计通信信道的信道相位和信道增益的信道估计器（408）。 该估计被提供给用于解调业务信道符号的解调器（422）。 导频符号被提供给用于估计功率控制指示符的信道相位和信道增益的另一信道估计器（410）。 该估计被提供给用于解调功率控制指示符的解调器（424）。 业务信道符号在解调之前延迟延迟元件（420）中的预定时间。 在解调之前，功率控制指示符在短时间内延迟短暂的延迟元件（418）。

公开(公告)号：US5671255A

公开(公告)日：1997-09-23

申请号：US624233

申请日：1996-03-29

Applicant: Michael Mao Wang ,  Fuyun Ling ,  Kenneth A. Stewart

Inventor： Michael Mao Wang ,  Fuyun Ling ,  Kenneth A. Stewart

IPC: H04J13/02 ,  H03M13/23 ,  H04B1/707 ,  H04L1/00 ,  H04L1/20 ,  H04L25/02 ,  H04Q7/38 ,  H04L27/06 ,  G06F11/10 ,  H04J3/22

CPC classification number: H04L1/208 ,  H04L1/0046 ,  H04L1/0054 ,  H04L1/20 ,  H04L25/0262 ,  H04B2201/70705

Abstract: A receiver (500) utilizes parameters generated by a Viterbi decoder (530) to determine one of a plurality of coding rates in which user information is transmitted. The receiver (500) combines the parameters in a predetermined manner, the result of which is a detection statistic (dij). By utilizing the detection statistic (dij), the coding rate at which user information is accurately determined.

Abstract translation: 接收机（500）利用由维特比解码器（530）产生的参数来确定发送用户信息的多个编码速率中的一个。 接收机（500）以预定的方式组合参数，其结果是检测统计量（dij）。 通过利用检测统计量（dij），准确地确定用户信息的编码率。

公开(公告)号：US5319636A

公开(公告)日：1994-06-07

申请号：US791702

申请日：1991-11-14

Applicant: Guozhu Long ,  Fuyun Ling ,  M. Vedat Eyuboglu

Inventor： Guozhu Long ,  Fuyun Ling ,  M. Vedat Eyuboglu

IPC: H04B3/23 ,  H04J15/00

CPC classification number: H04B3/235 ,  H04B3/232

Abstract: A device and method utilize a linear feedback/feedforward configuration to estimate and cancel a listener echo wherein equalizer (202) and listener echo cancellation (204 and 208) units are jointly updated, allowing determination of an error signal once (204 and 208), in place of the former method of separate error signal determination for each of an equalizer and a listener echo canceller. An improved phase-correction scheme is utilized to compensate the frequency offset in the listener echo. The relationship between the listener echo and talker far echo is utilized to facilitate the listener echo cancellation.

Abstract translation: 一种设备和方法利用线性反馈/前馈配置来估计和消除收听者回声，其中均衡器（202）和收听者回声消除（204和208）单元被联合更新，允许确定一次错误信号（204和208） 代替均衡器和收听回波消除器中的每一个的单独的误差信号确定的前一种方法。 利用改进的相位校正方案来补偿收听者回波中的频率偏移。 听众回声和讲话者远端回声之间的关系被用来促进听众回声消除。

公开(公告)号：US09042461B2

公开(公告)日：2015-05-26

申请号：US11373001

申请日：2006-03-09

Applicant: Raghuraman Krishnamoorthi ,  Fuyun Ling ,  Rajiv Vijayan

Inventor： Raghuraman Krishnamoorthi ,  Fuyun Ling ,  Rajiv Vijayan

IPC: H04N7/18 ,  H04L27/26

CPC classification number: H04L27/2644

Abstract: Systems and methods are provided for transmitting OFDM information via IFFT up-sampling components that transmit data at a higher sampling rate than conventional systems to simplify filter requirements and mitigate leakage between symbols. In one embodiment, an NL point IFFT is performed on a zero inserted set of frequency domain symbols. In another embodiment, the NL point IFFT is further optimized by exploiting the fact that (N−1) L of the frequency domain symbols are zero. This enables an embodiment that consists of a pre-processor that multiplies the input samples by complex phase factors, followed by L point IFFTs.

Abstract translation: 提供了系统和方法，用于通过IFFT上采样组件传输OFDM信息，该组件以比常规系统更高的采样速率传输数据，以简化滤波器要求并减轻符号之间的泄漏。 在一个实施例中，对零插入的频域符号组执行NL点IFFT。 在另一个实施例中，通过利用频域符号的（N-1）L为零的事实进一步优化NL点IFFT。 这使得能够由预处理器组成的实施例，该预处理器将输入样本乘以复相位因子，随后是L点IFFT。

公开(公告)号：US08839079B2

公开(公告)日：2014-09-16

申请号：US13589651

申请日：2012-08-20

Applicant: Jinghu Chen ,  Wanlun Zhao ,  Michael Mingxi Fan ,  Fuyun Ling ,  Peter John Black ,  Krishna Kiran Mukkavilli ,  Weihong Jing ,  Jia Tang

Inventor： Jinghu Chen ,  Wanlun Zhao ,  Michael Mingxi Fan ,  Fuyun Ling ,  Peter John Black ,  Krishna Kiran Mukkavilli ,  Weihong Jing ,  Jia Tang

IPC: H03M13/00 ,  H04L1/00

CPC classification number: H04L1/0051 ,  H04L1/0053 ,  H04L1/0066 ,  H04L1/20

Abstract: The present disclosure describes methods and apparatuses for improved transport block decoding in devices capable of wireless communication, which may include user equipment and network entities. For example, the present disclosure presents methods and apparatuses for decoding a code block from a plurality of code blocks corresponding to a transport block, obtaining a reliability indicator that identifies a reliability of the decoding of the code block, comparing the reliability indicator to a reliability threshold, and determining whether to decode a subsequent code block from the plurality of code blocks based on the comparing. Furthermore, these methods and apparatuses may include determining not to decode at least one subsequent code block of the transport block where the comparing indicates that the reliability indicator is less than the reliability threshold. As such, device power is not unnecessarily consumed by decoding likely superfluous code blocks.

Abstract translation: 本公开描述了用于在能够进行无线通信的设备中改进传输块解码的方法和装置，其可以包括用户设备和网络实体。 例如，本公开提供了用于从对应于传输块的多个代码块中解码代码块的方法和装置，获得识别代码块的解码的可靠性的可靠性指示符，将可靠性指示符与可靠性进行比较 阈值，并且基于所述比较来确定是否从所述多个代码块解码后续代码块。 此外，这些方法和装置可以包括确定不解码传输块的至少一个后续码块，其中比较指示可靠性指示符小于可靠性阈值。 因此，通过解码可能的多余代码块，不会不必要地消耗器件功率。

公开(公告)号：US08826093B2

公开(公告)日：2014-09-02

申请号：US11335013

申请日：2006-01-18

Applicant: Gordon Kent Walker ,  Chinnappa K. Ganapathy ,  Dhinakar Radhakrishnan ,  Fuyun Ling ,  Rajiv Vijayan

Inventor： Gordon Kent Walker ,  Chinnappa K. Ganapathy ,  Dhinakar Radhakrishnan ,  Fuyun Ling ,  Rajiv Vijayan

IPC: H04L1/18 ,  H04L1/00

CPC classification number: H04L1/0053 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0083

Abstract: Conserving power for coded transmissions comprises ceasing to process parity packets once associated data packets are deemed correct or corrected. Once data packets are deemed correct or corrected, the receiving unit can shut off during the transmission of parity packets.

Abstract translation: 编码传输的节省功率包括：一旦相关联的数据分组被认为是正确的或纠正的，停止处理奇偶分组。 一旦数据分组被认为是正确的或纠正的，接收单元可以在传输奇偶分组期间关闭。

公开(公告)号：US20140036698A1

公开(公告)日：2014-02-06

申请号：US13565316

申请日：2012-08-02

Applicant: Wanlun Zhao ,  Fuyun Ling ,  Mingxi Fan ,  Jinghu Chen

Inventor： Wanlun Zhao ,  Fuyun Ling ,  Mingxi Fan ,  Jinghu Chen

IPC: H04W24/02

CPC classification number: H04W24/02 ,  H04L25/03133

Abstract: A method of wireless communication includes receiving a wireless signal at a linear receiver, and iteratively computing an inverted covariance matrix in frequency domain, one channel code at a time. The method also includes computing receiver demodulation coefficients based on the inverted covariance matrix and the frequency domain channel estimate or time domain channel estimate. The method further includes deriving a transmitter symbol based on a received signal vector and the coefficients.

Abstract translation: 一种无线通信方法包括在线性接收机处接收无线信号，并且一次迭代地计算频域中的反向协方差矩阵，一个信道码。 该方法还包括基于反协方差矩阵和频域信道估计或时域信道估计来计算接收机解调系数。 该方法还包括基于接收信号向量和系数导出发射机符号。

公开(公告)号：US20130235956A1

公开(公告)日：2013-09-12

申请号：US13540974

申请日：2012-07-03

Applicant: Qiang Shen ,  Fuyun Ling ,  Aamod Dinkar Khandekar ,  Sequei Anatolievich Glazko ,  Insung Kang ,  Ming Kang ,  Dario Fertonani ,  Yuheng Huang

Inventor： Qiang Shen ,  Fuyun Ling ,  Aamod Dinkar Khandekar ,  Sequei Anatolievich Glazko ,  Insung Kang ,  Ming Kang ,  Dario Fertonani ,  Yuheng Huang

IPC: H04L25/03

CPC classification number: H04L25/0391 ,  H04B7/2618 ,  H04L25/0244

Abstract: In wireless communication systems, received signal estimation and detection is computationally intensive. During such processing, received signal matrices may be conditioned prior to inversion to improve stability. In particular, code domain conditioning, followed by time domain conditioning prior to inversion results in improved receiver performance. Such code and time domain conditioning may be particularly suited to a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system where code values are not averaged out of a received signal matrix.

Abstract translation: 在无线通信系统中，接收信号估计和检测是计算密集型的。 在这种处理期间，接收信号矩阵可以在反转之前被调节以提高稳定性。 特别地，代码域调节，随后在反转之前的时域调节导致改进的接收机性能。 这样的代码和时域调节可能特别适合于其中码值不从接收信号矩阵中进行平均的时分同步码分多址（TD-SCDMA）系统。