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1. 发明授权

US06377529B1 Method for providing improved equalization for the reading of marks on optical data-storage media 有权
标题翻译：提供用于光学数据存储介质上的标记读取的改进的均衡的方法
公开(公告)号：US06377529B1
公开(公告)日：2002-04-23
申请号：US09588101
申请日：2000-06-01
申请人： David C. Lee , Yi Ling , Yung-Cheng Lo , Steve W. McLaughlin
发明人： David C. Lee , Yi Ling , Yung-Cheng Lo , Steve W. McLaughlin
IPC分类号： G11B390
CPC分类号： G11B20/10009 , H04L25/03057 , H04L25/497 , H04L2025/03369 , H04L2025/03624
摘要： A method is disclosed for compensating for intersymbol interference on an optical disc. The method includes measuring an intersymbol linear transfer function. The intersymbol linear transfer function substantially describes a linear portion of the effect of intersymbol interference on an optically detected read signal from an optical disc. A partial response target frequency response is divided by the intersymbol linear transfer function to obtain a linear equalization filter response. A read signal from the optical disc is convolved with the linear equalization filter response. This results in the read signal being equalized and containing a controlled partial-response target intersymbol interference. There is also disclosed a method of compensating utilizing a decision feedback equalizer where the target frequency response is either a partial-response or a zero-forcing response.
摘要翻译：公开了一种补偿光盘上符号间干扰的方法。该方法包括测量符号间线性传递函数。符号间线性传递函数基本上描述了符号间干扰对来自光盘的光学检测的读取信号的影响的线性部分。部分响应目标频率响应除以符号间线性传递函数以获得线性均衡滤波器响应。来自光盘的读取信号与线性均衡滤波器响应进行卷积。这导致读信号被均衡并且包含受控的部分响应目标符号间干扰。还公开了一种使用判决反馈均衡器进行补偿的方法，其中目标频率响应是部分响应或零强制响应。

2. 发明授权

US06657933B2 Method and apparatus for reading and writing a multilevel signal from an optical disc 有权
公开(公告)号：US06657933B2
公开(公告)日：2003-12-02
申请号：US09910464
申请日：2001-07-19
申请人： Terrence L. Wong , John L. Fan , David C. Lee , Yi Ling , Yung-Cheng Lo , Steven W. McLaughlin , Laura L. McPheters , Richard L. Martin , Judith C. Powelson , Steven R. Spielman , David K. Warland , Jonathan A. Zingman
发明人： Terrence L. Wong , John L. Fan , David C. Lee , Yi Ling , Yung-Cheng Lo , Steven W. McLaughlin , Laura L. McPheters , Richard L. Martin , Judith C. Powelson , Steven R. Spielman , David K. Warland , Jonathan A. Zingman
IPC分类号： G11B509
CPC分类号： G11B20/1252 , G11B7/0045 , G11B7/005 , G11B7/00745 , G11B7/013 , G11B20/10009 , G11B20/1403 , G11B20/1833 , G11B27/19 , G11B27/24 , G11B27/3027 , G11B2020/1222 , G11B2020/1268 , G11B2020/1275 , G11B2020/1287 , G11B2220/20 , G11B2220/2537 , H03M13/00 , H03M13/23
摘要： A system and method are disclosed for reading a multilevel signal from an optical disc. The method includes reading a raw analog data signal from a disc using an optical detector and adjusting the amplitude of the raw analog data signal. A timing signal is recovered from the amplitude adjusted analog data signal and correction is made for amplitude modulation of the raw analog data signal by processing the raw analog data signal and the timing signal.

3. 发明授权

US07136333B2 Method and apparatus for reading and writing a multilevel signal from an optical disc oscillators 有权
标题翻译：用于从光盘振荡器读取和写入多电平信号的方法和装置
公开(公告)号：US07136333B2
公开(公告)日：2006-11-14
申请号：US10770261
申请日：2004-02-02
申请人： Terrence L. Wong , John L. Fan , David C. Lee , Yi Ling , Yung-Cheng Lo , Steven E. McLaughlin , Laura L. McPheters , Richard L. Martin , Judith C. Powelson , Steven R. Spielman , David K. Warland , Jonathan A. Zingman
发明人： Terrence L. Wong , John L. Fan , David C. Lee , Yi Ling , Yung-Cheng Lo , Steven E. McLaughlin , Laura L. McPheters , Richard L. Martin , Judith C. Powelson , Steven R. Spielman , David K. Warland , Jonathan A. Zingman
IPC分类号： G11B15/52
CPC分类号： G11B20/1252 , G11B7/0045 , G11B7/005 , G11B7/00745 , G11B7/013 , G11B20/10009 , G11B20/1403 , G11B20/1833 , G11B27/19 , G11B27/24 , G11B27/3027 , G11B2020/1222 , G11B2020/1268 , G11B2020/1275 , G11B2020/1287 , G11B2220/20 , G11B2220/2537 , H03M13/00 , H03M13/23
摘要： A system and method are disclosed for reading a multilevel signal from an optical disc. The method includes reading a raw analog data signal from a disc using an optical detector and adjusting the amplitude of the raw analog data signal. A timing signal is recovered from the amplitude adjusted analog data signal and correction is made for amplitude modulation of the raw analog data signal by processing the raw analog data signal and the timing signal.
摘要翻译：公开了一种用于从光盘读取多电平信号的系统和方法。该方法包括使用光学检测器从盘读取原始模拟数据信号并调整原始模拟数据信号的幅度。从幅度调整模拟数据信号中恢复定时信号，并通过处理原始模拟数据信号和定时信号对原始模拟数据信号的幅度调制进行校正。

4. 发明授权

US07149178B2 Method and format for reading and writing in a multilevel optical data systems 有权
标题翻译：在多级光学数据系统中读写的方法和格式
公开(公告)号：US07149178B2
公开(公告)日：2006-12-12
申请号：US10877374
申请日：2004-06-25
申请人： Terrence L. Wong , Gregory S. Lewis , David C. Lee , Yi Ling , Stephen P. Pope , Steven R. Spielman , Jonathan A. Zingman
发明人： Terrence L. Wong , Gregory S. Lewis , David C. Lee , Yi Ling , Stephen P. Pope , Steven R. Spielman , Jonathan A. Zingman
IPC分类号： G11B7/24
CPC分类号： G11B20/1252 , G11B7/0045 , G11B7/005 , G11B7/00745 , G11B7/013 , G11B20/10009 , G11B20/1403 , G11B20/1833 , G11B27/19 , G11B27/24 , G11B27/3027 , G11B2020/1222 , G11B2020/1268 , G11B2020/1275 , G11B2020/1287 , G11B2220/20 , G11B2220/2537 , H03M13/00 , H03M13/23
摘要： A system and method for reading and writing in a multilevel optical data system is disclosed. The system provides control signals for timing acquisition, level calibration, DC control, AGC, equalizer training and data synchronization. The user data is ECC protected and optionally convolutionally encoded before being combined with the control signals in an information block. The multilevel information block can be written to an optical disc as a series of multilevel marks. The optical disc may also contain an Address in Pregroove signal (AIP) to facilitate synchronization during writing of an information block. The AIP signal has an integer number of address frames per information block.
摘要翻译：公开了一种用于在多级光学数据系统中读取和写入的系统和方法。系统提供定时采集，电平校准，直流控制，AGC，均衡器训练和数据同步的控制信号。在与信息块中的控制信号组合之前，用户数据被ECC保护并可选地进行卷积编码。多级信息块可以作为一系列多级标记写入光盘。光盘还可以包含预编码信号（AIP）中的地址，以便于在写入信息块期间进行同步。 AIP信号具有每个信息块的整数个地址帧。

5. 发明授权

US06771570B1 Method and format for reading and writing in a multilevel optical data system 有权
标题翻译：在多级光学数据系统中读写的方法和格式
公开(公告)号：US06771570B1
公开(公告)日：2004-08-03
申请号：US09476395
申请日：1999-12-30
申请人： Terrence L. Wong , Gregory S. Lewis , David C. Lee , Yi Ling , Stephen P. Pope , Steven R. Spielman , Jonathan A. Zingman
发明人： Terrence L. Wong , Gregory S. Lewis , David C. Lee , Yi Ling , Stephen P. Pope , Steven R. Spielman , Jonathan A. Zingman
IPC分类号： G11B1722
CPC分类号： G11B20/1252 , G11B7/0045 , G11B7/005 , G11B7/00745 , G11B7/013 , G11B20/10009 , G11B20/1403 , G11B20/1833 , G11B27/19 , G11B27/24 , G11B27/3027 , G11B2020/1222 , G11B2020/1268 , G11B2020/1275 , G11B2020/1287 , G11B2220/20 , G11B2220/2537 , H03M13/00 , H03M13/23
摘要： A system and method for reading and writing in a multilevel optical data system is disclosed. The system provides control signals for timing acquisition, level calibration, DC control, AGC, equalizer training and data synchronization. The user data is ECC protected and optionally convolutionally encoded before being combined with the control signals in an information block. The multilevel information block can be written to an optical disc as a series of multilevel marks. The optical disc may also contain an Address in Pregroove signal (AIP) to facilitate synchronization during writing of an information block. The AIP signal has an integer number of address frames per information block.
摘要翻译：公开了一种用于在多级光学数据系统中读取和写入的系统和方法。系统提供定时采集，电平校准，直流控制，AGC，均衡器训练和数据同步的控制信号。在与信息块中的控制信号组合之前，用户数据被ECC保护并可选地进行卷积编码。多级信息块可以作为一系列多级标记写入光盘。光盘还可以包含预编码信号（AIP）中的地址，以便于在写入信息块期间进行同步。 AIP信号具有每个信息块的整数个地址帧。

6. 发明申请

US20100061505A1 EDGE DETECTION FOR COMPUTED TOMOGRAPHY PROJECTION DATA COMPRESSION 有权
标题翻译：计算机图像投影数据压缩的边缘检测
公开(公告)号：US20100061505A1
公开(公告)日：2010-03-11
申请号：US12208835
申请日：2008-09-11
申请人： Albert W. Wegener , Yi Ling
发明人： Albert W. Wegener , Yi Ling
IPC分类号： A61B6/00
CPC分类号： G06T9/20 , A61B6/032 , H03M7/30 , H04N19/124 , H04N19/15 , H04N19/162 , H04N19/172 , H04N19/46 , H04N19/593 , H04N19/80 , H04N19/85 , H04N19/91
摘要： A compression subsystem for a computed tomography system compresses projection data to for efficient data transfer and storage. The compression includes detecting edges in the projection data corresponding to the object being imaged to set boundaries for compression operations. The edge detection compares difference samples to positive and negative thresholds to determine the boundaries. The projection samples or the difference samples are compressed between the boundaries. The boundaries are encoded and included in the compressed data. The compressed samples are decompressed prior to image reconstruction processing. Decompression includes decoding the compressed samples and the boundary values. This abstract does not limit the scope of the invention as described in the claims.
摘要翻译：用于计算机断层摄影系统的压缩子系统压缩投影数据以进行有效的数据传输和存储。压缩包括检测与被成像对象相对应的投影数据中的边缘，以设置用于压缩操作的边界。边缘检测将差分样本与正和负阈值进行比较，以确定边界。投影样本或差分样本在边界之间被压缩。边界被编码并包含在压缩数据中。在图像重建处理之前对压缩的样本进行解压缩。解压缩包括对压缩样本和边界值进行解码。该摘要并不限制如权利要求中所述的本发明的范围。

7. 发明申请

US20120176966A1 FREQUENCY DOMAIN COMPRESSION IN A BASE TRANSCEIVER SYSTEM 有权
标题翻译：基站收发系统中的频域压缩
公开(公告)号：US20120176966A1
公开(公告)日：2012-07-12
申请号：US13343636
申请日：2012-01-04
申请人： Yi Ling
发明人： Yi Ling
IPC分类号： H04W4/00
CPC分类号： H04B1/40 , H04L25/03 , H04L27/2615 , H04L27/2628 , H04L27/2647 , H04W88/085
摘要： A method and apparatus provide signal compression for transfer over serial data links in a base transceiver system (BTS) of a wireless communication network. For the uplink, an RF unit of the BTS applies frequency domain compression of baseband signal samples, resulting from analog to digital conversion of received analog signals followed by digital downconversion, forming compressed coefficients. After transfer over the serial data link, the baseband processor then applies frequency domain decompression to the compressed coefficients prior to normal signal processing. For the downlink, the baseband processor applies frequency domain compression of baseband signal samples and transfers the compressed coefficients to the RF unit. The RF unit applies frequency domain decompression to the compressed coefficients prior to digital upconversion and digital to analog conversion, generating the analog signal for transmission over the antenna. This abstract does not limit the scope of the invention as described in the claims.
摘要翻译：一种方法和装置为无线通信网络的基站收发器系统（BTS）中的串行数据链路提供信号压缩。对于上行链路，BTS的RF单元对基带信号样本进行频域压缩，由接收到的模拟信号的模数转换产生的数字下变频，形成压缩系数。在通过串行数据链路传输之后，基带处理器在正常信号处理之前对压缩系数进行频域解压缩。对于下行链路，基带处理器对基带信号样本进行频域压缩，并将压缩的系数传送到RF单元。 RF单元在数字上变频和数模转换之前对压缩系数应用频域解压缩，产生用于通过天线传输的模拟信号。该摘要并不限制如权利要求中所述的本发明的范围。

8. 发明申请

US20090240804A1 METHOD AND APPARATUS FOR PREVENTING IGMP PACKET ATTACK 审中-公开
标题翻译：防止IGMP分组攻击的方法和设备
公开(公告)号：US20090240804A1
公开(公告)日：2009-09-24
申请号：US12478399
申请日：2009-06-04
申请人： Fenghua Zhao , Liyang Wang , Peng Zhou , Yi Ling , Xuegin Liu , Yong Yu
发明人： Fenghua Zhao , Liyang Wang , Peng Zhou , Yi Ling , Xuegin Liu , Yong Yu
IPC分类号： G06F15/173 , G06F12/14
CPC分类号： H04L12/1877 , H04L63/1416 , H04L63/1458
摘要： A method for preventing IGMP packet attacks includes two levels of anti-attack steps: anti-attacking on the basis of the source IP address of an IGMP packet; and anti-attacking on the basis of the multicast group IP address of the IGMP packet. Moreover, an apparatus for preventing IGMP packet attacks is disclosed herein. In the embodiments of the present disclosure, the attacks are prevented hierarchically in light of the source address and multicast group IP of the IGMP packet, thus effectively solving network exceptions caused by malicious IGMP packets which surge in a short time.
摘要翻译：防止IGMP报文攻击的方法包括两级防攻击步骤：根据IGMP报文的源IP地址进行防攻击; 并根据IGMP报文的组播组IP地址进行反攻击。此外，本文公开了一种用于防止IGMP分组攻击的装置。在本公开的实施例中，根据IGMP分组的源地址和组播组IP分层地防止攻击，从而有效地解决了在短时间内浪涌的恶意IGMP分组引起的网络异常。

9. 发明授权

US08989088B2 OFDM signal processing in a base transceiver system 有权
标题翻译：基站收发系统中的OFDM信号处理
公开(公告)号：US08989088B2
公开(公告)日：2015-03-24
申请号：US13476862
申请日：2012-05-21
申请人： Yi Ling
发明人： Yi Ling
IPC分类号： H04W4/00 , H04J11/00 , H04W88/08 , H03M7/30 , H04L27/26
CPC分类号： H04W88/085 , H03M7/30 , H04L27/2607 , H04L27/265
摘要： A method and apparatus provides OFDM signal compression for transfer over serial data links in a base transceiver system (BTS) of a wireless communication network. For the uplink, an RF unit of the BTS applies OFDM cyclic prefix removal and OFDM frequency transformation of the baseband signal samples followed by frequency domain compression of the baseband signal samples, resulting from analog to digital conversion of received analog signals followed by digital downconversion, forming compressed coefficients. After transfer over the serial data link, the baseband processor applies frequency domain decompression to the compressed coefficients prior to further signal processing. For the downlink, the RF unit performs frequency domain decompression of the compressed coefficients and applies OFDM inverse frequency transformation of the decompressed coefficients and OFDM cyclic prefix insertion prior to digital upconversion and digital to analog conversion, generating the analog signal for transmission over the antenna.
摘要翻译：方法和装置提供用于在无线通信网络的基站收发器系统（BTS）中的串行数据链路上进行传输的OFDM信号压缩。对于上行链路，BTS的RF单元对基带信号样本进行OFDM循环前缀去除和OFDM频率变换，随后是基带信号采样的频域压缩，由接收的模拟信号的模数转换，随后进行数字下变频，形成压缩系数。在通过串行数据链路传输之后，基带处理器在进一步信号处理之前对压缩系数应用频域解压缩。对于下行链路，RF单元执行压缩系数的频域解压缩，并且在数字上变频和数模转换之前应用解压缩系数和OFDM循环前缀插入的OFDM逆频变换，生成模拟信号以在天线上传输。

10. 发明申请

US20100070836A1 ADAPTIVE COMPRESSION OF COMPUTED TOMOGRAPHY PROJECTION DATA 有权
标题翻译：计算机图像投影数据的自适应压缩
公开(公告)号：US20100070836A1
公开(公告)日：2010-03-18
申请号：US12208839
申请日：2008-09-11
申请人： Albert W. Wegener , Yi Ling
发明人： Albert W. Wegener , Yi Ling
IPC分类号： G06F17/30 , G06F11/00
CPC分类号： G06T9/00 , A61B6/032 , A61B6/4078 , A61B6/4233 , A61B6/56
摘要： A compression subsystem for a computed tomography system compresses projection data to for efficient data transfer and storage. The compression includes applying an attenuation profile to an array of projection data samples. The attenuation profile is a function of sample coordinates and determines attenuation values applied to the samples. The attenuated samples are encoded and packed for data transfer. Alternatively, difference operators are applied to the attenuated samples and the differences are encoded. The average number of bits per compressed sample is monitored and the attenuation profiles can be modified to achieve a desired number of bits per compressed sample. The compressed samples are decompressed prior to image reconstruction processing. Decompression includes decoding the compressed samples and applying a gain profile to the decoded samples to restore the original dynamic range. This abstract does not limit the scope of the invention as described in the claims.
摘要翻译：用于计算机断层摄影系统的压缩子系统压缩投影数据以进行有效的数据传输和存储。压缩包括将衰减分布应用于投影数据样本阵列。衰减曲线是样本坐标的函数，并确定应用于样本的衰减值。衰减的样本被编码和打包用于数据传输。或者，将差分运算符应用于衰减的样本，并对差异进行编码。监视每个压缩样本的平均位数，并且可以修改衰减曲线，以实现每个压缩样本所需的位数。在图像重建处理之前对压缩样本进行解压缩。解压缩包括对压缩样本进行解码并将增益曲线应用于解码样本以恢复原始动态范围。该摘要并不限制如权利要求中所述的本发明的范围。

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