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公开(公告)号：US07283075B2
公开(公告)日：2007-10-16
申请号：US10917261
申请日：2004-08-12
申请人： Albert K. Lu , Yan Zhou , Xun Yang
发明人： Albert K. Lu , Yan Zhou , Xun Yang
IPC分类号： H03M3/00
CPC分类号： H03M3/392
摘要： Delta-sigma modulators with a selectable noise transfer function are described. In various embodiments, the noise transfer function is varied in accordance with a bandwidth, a communication protocol, or an oversampling ratio of a selected communication channel.
摘要翻译： 描述了具有可选噪声传递功能的Δ-Σ调制器。 在各种实施例中，噪声传递函数根据所选通信信道的带宽，通信协议或过采样比而变化。
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公开(公告)号：US20060038709A1
公开(公告)日：2006-02-23
申请号：US10917261
申请日：2004-08-12
IPC分类号： H03M3/00
CPC分类号： H03M3/392
摘要： Delta-sigma modulators with a selectable noise transfer function are described. In various embodiments, the noise transfer function is varied in accordance with a bandwidth, a communication protocol, or an oversampling ratio of a selected communication channel.
摘要翻译： 描述了具有可选噪声传递功能的Δ-Σ调制器。 在各种实施例中，噪声传递函数根据所选通信信道的带宽，通信协议或过采样比而变化。
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3.发明授权Adaptation control algorithm for echo cancellation using signal-value based analysis 失效基于信号值分析的回波消除适应控制算法公开(公告)号：US06426979B1
公开(公告)日：2002-07-30
申请号：US09301848
申请日：1999-04-29
IPC分类号： H04B320
摘要： The present invention addresses signal noise problems associated with telecommunications. In particular, echo cancellation is addressed by the present invention, which employs an inventive adaptive filtration scheme. In one aspect of the invention, a method is provided for controlling an adaptive balance filter. In another aspect of the invention, an apparatus is provided for controlling an adaptive balancing filter, comprising: a transmit path; an adaptive balance control circuit; and a receive path.
摘要翻译： 本发明解决了与电信相关的信号噪声问题。 特别地，回波消除由本发明解决，本发明采用本发明的自适应滤波方案。 在本发明的一个方面，提供一种用于控制自适应平衡滤波器的方法。 在本发明的另一方面，提供了一种用于控制自适应平衡滤波器的装置，包括：发送路径; 自适应平衡控制电路; 和接收路径。
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4.发明申请公开(公告)号：US20100166172A1
公开(公告)日：2010-07-01
申请号：US12347986
申请日：2008-12-31
申请人： Jeffrey A. Whaley , Xun Yang , Joel W. Page
发明人： Jeffrey A. Whaley , Xun Yang , Joel W. Page
IPC分类号： H04M1/00
CPC分类号： H04M1/738 , H04J3/0685 , H04Q11/0067
摘要： Methods and apparatus for communicating include a first device coupled to a second device with a bi-directional data line and a clock line. Frames of data are serially communicated between the first and second devices on the data line. Each frame is synchronized with a clock signal carried by the clock line. Each frame has a portion allocated to data communicated from the first device to the second device and another portion allocated to data communicated from the second device to the first device.
摘要翻译： 用于通信的方法和装置包括耦合到具有双向数据线和时钟线的第二装置的第一装置。 在数据线上的第一和第二设备之间串行传送数据帧。 每个帧与由时钟线承载的时钟信号同步。 每个帧具有分配给从第一设备传送到第二设备的数据的部分，以及分配给从第二设备传送到第一设备的数据的另一部分。
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5.发明申请公开(公告)号：US20100166019A1
公开(公告)日：2010-07-01
申请号：US12347987
申请日：2008-12-31
申请人： Xun Yang , Jeffrey A. Whaley , Joel W. Page , Gregory James Fyke
发明人： Xun Yang , Jeffrey A. Whaley , Joel W. Page , Gregory James Fyke
IPC分类号： H04J3/00
CPC分类号： H04J3/1694 , H04L7/0008
摘要： Methods and apparatus for communicating include communicating frames of data having a first timeslot allocation of s timeslots serially from a first device to a second device using a first unidirectional data line at a frequency f1. An edge of each frame as a detected edge. A clock signal having a frequency f2 is generated in response to the detected edges, wherein f 2 f 1 ≈ n · s , wherein n>1, wherein the clock signal is maintained substantially synchronous to the detected edges. Frames of data having a second timeslot allocation of s timeslots are communicated serially from the second device to the first device using a second unidirectional data line at the frequency f1 as derived from f2.
摘要翻译： 用于通信的方法和装置包括使用频率为f1的第一单向数据线将第一时隙的第一时隙分配的数据帧从第一设备串行地传送到第二设备。 每个帧的边缘作为检测到的边缘。 响应于检测到的边缘产生具有频率f2的时钟信号，其中f 2 f 1≈n·s，其中n> 1，其中时钟信号保持与检测到的边缘基本同步。 具有s时隙的第二时隙分配的数据帧，使用从f2导出的频率f1的第二单向数据线，从第二设备串行地传送到第一设备。
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6.发明申请Method and apparatus for reducing modem command and status latency on a digital audio interface within a direct access arrangement circuit 失效用于在直接存取布置电路内的数字音频接口上降低调制解调器命令和状态延迟的方法和装置公开(公告)号：US20060002529A1
公开(公告)日：2006-01-05
申请号：US10881840
申请日：2004-06-30
申请人： Robert Wagner , Xun Yang
发明人： Robert Wagner , Xun Yang
IPC分类号： H04M11/00
CPC分类号： H04M11/066
摘要： An apparatus for reducing modem command and status latency within a direct access arrangement (DAA) circuit is disclosed. The DAA circuit includes a serial audio interface for providing communications between the DAA circuit and the host computer system. The serial audio interface can operate under multiple serial communication interface standards, such as the AC '97 standard and the HD Audio standard. The DAA circuit also includes means for configuring the serial audio interface to transmit and receive modem samples at an audio sample rate higher than a modem sample rate of the modem samples and at a predetermined bit size that is wider than a bit size of the modem samples. The additional bits other than the modem samples are utilized to indicate command and status information associated with the DAA circuit or a telephone line such that modem command and status latency on the serial audio interface within the DAA circuit can be reduced.
摘要翻译： 公开了一种用于在直接访问装置（DAA）电路内减少调制解调器命令和状态延迟的装置。 DAA电路包括用于在DAA电路和主计算机系统之间提供通信的串行音频接口。 串行音频接口可以在多种串行通信接口标准下工作，如AC '97标准和高清音频标准。 DAA电路还包括用于配置串行音频接口以以高于调制解调器采样的调制解调器采样率的音频采样率发送和接收调制解调器采样的装置，并且以比调制解调器样本的比特大的预定比特大小 。 除了调制解调器样本之外的附加位用于指示与DAA电路或电话线相关联的命令和状态信息，使得可以减少DAA电路内的串行音频接口上的调制解调器命令和状态延迟。
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7.发明申请Method and apparatus for managing modem sample rates on a digital audio interface within a direct access arrangement circuit 失效用于在直接访问布置电路内的数字音频接口上管理调制解调器采样率的方法和装置公开(公告)号：US20060002456A1
公开(公告)日：2006-01-05
申请号：US10881917
申请日：2004-06-30
申请人： Robert Wagner , Xun Yang
发明人： Robert Wagner , Xun Yang
IPC分类号： H04B1/38
CPC分类号： H04M11/066
摘要： An apparatus for managing modem sample rates within a direct access arrangement (DAA) circuit is disclosed. The DAA circuit includes a serial audio interface for providing communications between the DAA circuit and a host computer system. The serial audio interface is capable of operating under multiple serial communication interface standards, such as the AC '97 standard and the HD Audio standard. The DAA circuit also includes means for configuring the serial audio interface to transmit and receive modem samples at an audio sample rate higher than a modem sample rate of modem samples and at a predetermined bit size that is wider than a bit size of the modem samples, such that one bit of each of the modem samples is utilized to indicate the validity of each associated modem samples.
摘要翻译： 公开了一种用于在直接访问布置（DAA）电路内管理调制解调器采样率的装置。 DAA电路包括用于在DAA电路和主机系统之间提供通信的串行音频接口。 串行音频接口能够在多种串行通信接口标准下运行，如AC '97标准和HD Audio标准。 DAA电路还包括用于配置串行音频接口以以高于调制解调器采样的调制解调器采样率的音频采样率并且以比调制解调器样本的比特大小的预定比特大小发送和接收调制解调器样本的装置， 使得每个调制解调器样本的一位用于指示每个相关联的调制解调器样本的有效性。
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8.发明授权Direct access arrangement (DAA) circuit having automatic interface identification 失效具有自动接口识别的直接接入装置（DAA）电路公开(公告)号：US06891935B1
公开(公告)日：2005-05-10
申请号：US10737110
申请日：2003-12-16
摘要： A technique is provided for an electrical device to automatically detect one of a plurality of interface standards to operate in accordance with. More particularly, a direct access arrangement (DAA) for communicating with telephone lines is provided for utilization with modem communications over a phone line. The DAA may be configured to automatically detect and operate in accordance with a plurality of interface standards for communications to a host system. For example, the DAA may detect that communications are to be provided in accordance with the AC-97 interface standard or the Azalia interface standard. In one embodiment, a clock signal may be monitored to determine the proper interface mode. In another embodiment, the automatic detection of the proper interface mode may be accomplished by monitoring the data presented to the DAA through the interface standard.
摘要翻译： 提供了一种用于电气设备自动检测多个接口标准中的一个以根据操作来进行操作的技术。 更具体地，提供用于与电话线进行通信的直接访问装置（DAA），用于通过电话线路进行调制解调器通信。 DAA可以被配置为根据用于与主机系统的通信的多个接口标准自动检测和操作。 例如，DAA可以检测到根据AC-97接口标准或Azalia接口标准来提供通信。 在一个实施例中，可以监视时钟信号以确定适当的接口模式。 在另一个实施例中，可以通过监视通过接口标准呈现给DAA的数据来实现适当接口模式的自动检测。
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公开(公告)号：US09014288B2
公开(公告)日：2015-04-21
申请号：US13817831
申请日：2011-06-15
申请人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
发明人： Yijian Chen , Yu Ngok Li , Shupeng Li , Jun Xu , Xun Yang
CPC分类号： H04B7/0417 , H04B7/0469 , H04L1/0026 , H04L1/0028 , H04L5/0023 , H04L5/0057 , H04L25/03898 , H04L25/03949
摘要： A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information.
摘要翻译： 本文中公开了一种用于获取频道信息的方法和系统，其中所述方法包括：基站和用户设备（UE）共同保存第一码本和至少第二码本，并且所述第一码本用于信道 各种场景中的信息量化; UE向基站执行至少2个预编码矩阵指示符（PMI）的反馈，其中，一个PMI对应于第一码本中的一个码字，所有其他PMI分别对应于当前使用的第二码本中的不同码字， 对应于反馈PMI的所有码字用于表示一个或多个或所有子带的信道信息; 并且在接收到从UE反馈的PMI之后，基站从当前使用的第一码本和第二码本中找到对应的码字，并获取频道信息。
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公开(公告)号：US08798185B2
公开(公告)日：2014-08-05
申请号：US13577789
申请日：2010-10-22
申请人： Yijian Chen , Wu Yin , Yu Ngok Li , Jun Xu , Xun Yang
发明人： Yijian Chen , Wu Yin , Yu Ngok Li , Jun Xu , Xun Yang
CPC分类号： H04L1/0025 , H04B7/063 , H04B7/0645 , H04L25/03898
摘要： The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as Wpart; the terminal determining information O which represents high-precision vector quantification information of MIMO along with the part of column vectors Wpart according to a common representation relationship F, and feeding back the information O to a base station. The present invention also discloses a terminal and a base station which support MIMO. The present invention achieves high-precision and low-overhead channel information feedback and can well support multiple vector feedback needed by high rank (more layer multiplexing) MIMO transmission and high-precision feedback needed by low rank MIMO transmission simultaneously.
摘要翻译： 本发明公开了一种多输入多输出（MIMO）信道信息反馈的方法，该方法包括：从对应于预编码矩阵指示符（PMI）的码本矩阵W中选择一部分用于MIMO系统反馈的列向量， 所选的部分列向量为Wpart; 终端确定信息O，其表示MIMO的高精度矢量量化信息以及根据公共表示关系F的列向量Wpart的一部分，并将信息O反馈到基站。 本发明还公开了一种支持MIMO的终端和基站。 本发明实现了高精度和低开销的信道信息反馈，并且可以很好地支持高秩（多层复用）MIMO传输和低秩MIMO传输所需的高精度反馈所需的多向量反馈。
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