公开(公告)号：US08824538B2

公开(公告)日：2014-09-02

申请号：US13895891

申请日：2013-05-16

Applicant: Broadcom Corporation

Inventor： Aaron Buchwald ,  Xicheng Jiang ,  Hui Wang ,  Howard A. Baumer ,  Avanindra Madisetti

IPC: H03H7/30

CPC classification number: H04L25/03885 ,  H03L7/07 ,  H03L7/0814 ,  H03L7/091 ,  H04L7/0025 ,  H04L7/0274 ,  H04L7/0337 ,  H04L25/03006 ,  H04L2025/03477 ,  H04L2025/03617

Abstract: Methods and systems adaptively equalizing an analog information signal, the method including sampling the analog information signal to provide analog samples including post-transition samples and steady-state samples, and equalizing the analog samples to produce equalized analog samples. The equalizing includes determining a difference between an average post-transition amplitude associated with at least one of the post-transition samples and an average steady-state amplitude associated with at least one of the steady-state samples, and adjusting an equalization coefficient to adjust the difference between the average post-transition amplitude and the average steady-state amplitude.

Abstract translation: 方法和系统自适应地均衡模拟信息信号，所述方法包括对模拟信息信号进行采样以提供包括转移后样本和稳态样本的模拟样本，并均衡模拟样本以产生均衡的模拟样本。 均衡包括确定与转移后样本中的至少一个相关联的平均过渡后幅度与与稳态样本中的至少一个相关联的平均稳态幅度之间的差，并且调整均衡系数以进行调整 平均转移后幅度和平均稳态幅度之间的差异。

公开(公告)号：US20130251020A1

公开(公告)日：2013-09-26

申请号：US13895891

申请日：2013-05-16

Applicant: Broadcom Corporation

Inventor： Aaron Buchwald ,  Xicheng Jiang ,  Hui Wang ,  Howard A. Baumer ,  Avanindra Madisetti

IPC: H04L25/03

CPC classification number: H04L25/03885 ,  H03L7/07 ,  H03L7/0814 ,  H03L7/091 ,  H04L7/0025 ,  H04L7/0274 ,  H04L7/0337 ,  H04L25/03006 ,  H04L2025/03477 ,  H04L2025/03617

Abstract: Methods and systems adaptively equalizing an analog information signal, the method including sampling the analog information signal to provide analog samples including post-transition samples and steady-state samples, and equalizing the analog samples to produce equalized analog samples. The equalizing includes determining a difference between an average post-transition amplitude associated with at least one of the post-transition samples and an average steady-state amplitude associated with at least one of the steady-state samples, and adjusting an equalization coefficient to adjust the difference between the average post-transition amplitude and the average steady-state amplitude.

Abstract translation: 方法和系统自适应地均衡模拟信息信号，所述方法包括对模拟信息信号进行采样以提供包括转移后样本和稳态样本的模拟样本，并均衡模拟样本以产生均衡的模拟样本。 均衡包括确定与转移后样本中的至少一个相关联的平均过渡后幅度与与稳态样本中的至少一个相关联的平均稳态幅度之间的差，并且调整均衡系数以进行调整 平均转移后幅度和平均稳态幅度之间的差异。

公开(公告)号：US09379988B2

公开(公告)日：2016-06-28

申请号：US14252154

申请日：2014-04-14

Applicant: Broadcom Corporation

Inventor： Gary S. Huff ,  Howard A. Baumer

IPC: H04L12/825 ,  G06F13/40 ,  H04L12/40

CPC classification number: H04L47/25 ,  G06F13/4022 ,  H04L12/40169

Abstract: A method and system for a multi-rate Media Access Control layer (MAC) to Physical layer (PHY) interface is provided. The method to provide a multi-rate Media Access Control layer (MAC) interface comprises receiving a first set of signals, sampling the first set of signals to determine a type of interface to be used to transmit or receive the first set of signals or a subset of the first set of signals, generating a select signal indicating type of interface to be used based on the sampling step and transmitting the first set of signals or a subset of the first set of signals using the interface indicated by the select signal. The method to provide a multi-rate Physical layer (PHY) interface comprises receiving a select signal from a Physical layer (PHY) layer indicating data rate of a first set of signals, selecting a first interface and turning off the second interface if the select signal indicates the first interface is to be used, selecting the second interface and turning off the first interface if the select signal indicates the second interface is to be used and transmitting the first set of signals using the second interface or a subset of the first set of signals using the first interface based on the select signal.

Abstract translation: 提供了一种用于多速率媒体访问控制层（MAC）到物理层（PHY）接口的方法和系统。 提供多速率媒体访问控制层（MAC）接口的方法包括：接收第一组信号，对第一组信号进行采样以确定要用于发送或接收第一组信号的接口的类型，或者 第一组信号的子集，基于采样步骤产生指示要使用的接口类型的选择信号，并使用由选择信号指示的接口发送第一组信号或第一组信号的子集。 提供多速率物理层（PHY）接口的方法包括从物理层（PHY）层接收指示第一组信号的数据速率的选择信号，选择第一接口并且如果选择 信号指示要使用的第一接口，如果选择信号指示要使用第二接口，则选择第二接口并关闭第一接口，并且使用第二接口或第一组的子集来发送第一组信号 的基于选择信号的第一接口的信号。

公开(公告)号：US20140219290A1

公开(公告)日：2014-08-07

申请号：US14252154

申请日：2014-04-14

Applicant: Broadcom Corporation

Inventor： Gary S. Huff ,  Howard A. Baumer

IPC: H04L12/825

CPC classification number: H04L47/25 ,  G06F13/4022 ,  H04L12/40169

Abstract: A method and system for a multi-rate Media Access Control layer (MAC) to Physical layer (PHY) interface is provided. The method to provide a multi-rate Media Access Control layer (MAC) interface comprises receiving a first set of signals, sampling the first set of signals to determine a type of interface to be used to transmit or receive the first set of signals or a subset of the first set of signals, generating a select signal indicating type of interface to be used based on the sampling step and transmitting the first set of signals or a subset of the first set of signals using the interface indicated by the select signal. The method to provide a multi-rate Physical layer (PHY) interface comprises receiving a select signal from a Physical layer (PHY) layer indicating data rate of a first set of signals, selecting a first interface and turning off the second interface if the select signal indicates the first interface is to be used, selecting the second interface and turning off the first interface if the select signal indicates the second interface is to be used and transmitting the first set of signals using the second interface or a subset of the first set of signals using the first interface based on the select signal.

Abstract translation: 提供了一种用于多速率媒体访问控制层（MAC）到物理层（PHY）接口的方法和系统。 提供多速率媒体访问控制层（MAC）接口的方法包括：接收第一组信号，对第一组信号进行采样以确定要用于发送或接收第一组信号的接口的类型，或者 第一组信号的子集，基于采样步骤产生指示要使用的接口类型的选择信号，并使用由选择信号指示的接口发送第一组信号或第一组信号的子集。 提供多速率物理层（PHY）接口的方法包括从物理层（PHY）层接收指示第一组信号的数据速率的选择信号，选择第一接口并且如果选择 信号指示要使用的第一接口，如果选择信号指示要使用第二接口，则选择第二接口并关闭第一接口，并且使用第二接口或第一组的子集来发送第一组信号 的基于选择信号的第一接口的信号。

公开(公告)号：US08798219B2

公开(公告)日：2014-08-05

申请号：US13768923

申请日：2013-02-15

Applicant: Broadcom Corporation

Inventor： Aaron W. Buchwald ,  Michael Le ,  Josephus van Engelen ,  Xicheng Jiang ,  Hui Wang ,  Howard A. Baumer ,  Avanindra Madisetti

IPC: H04L7/02

CPC classification number: H04L25/03885 ,  H03L7/07 ,  H03L7/0814 ,  H03L7/091 ,  H04L7/0025 ,  H04L7/0274 ,  H04L7/0337 ,  H04L25/03006 ,  H04L2025/03477 ,  H04L2025/03617

Abstract: A high-speed serial data transceiver includes multiple receivers and transmitters for receiving and transmitting multiple analog, serial data signals at multi-gigabit-per-second data rates. Each receiver includes a timing recovery system for tracking a phase and a frequency of the serial data signal associated with the receiver. The timing recovery system includes a phase interpolator responsive to phase control signals and a set of reference signals having different predetermined phases. The phase interpolator derives a sampling signal, having an interpolated phase, to sample the serial data signal. The timing recovery system in each receiver independently phase-aligns and frequency synchronizes the sampling signal to the serial data signal associated with the receiver. A receiver can include multiple paths for sampling a received, serial data signal in accordance with multiple time-staggered sampling signals, each having an interpolated phase.

Abstract translation: 高速串行数据收发器包括多个接收器和发送器，用于以千兆比特每秒的数据速率接收和发送多个模拟串行数据信号。 每个接收机包括用于跟踪与接收机相关联的串行数据信号的相位和频率的定时恢复系统。 定时恢复系统包括响应于相位控制信号的相位内插器和具有不同预定相位的一组参考信号。 相位内插器导出具有内插相位的采样信号以采样串行数据信号。 每个接收机中的定时恢复系统独立地对采样信号和与接收机相关联的串行数据信号进行频率同步。 接收机可以包括多个路径，用于根据多个具有内插相位的多个时间交错采样信号对接收的串行数据信号进行采样。