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    • 52. 发明授权
    • System and method for multilane link rate negotiation
    • 多链路速率协商的系统和方法
    • US07836199B2
    • 2010-11-16
    • US12367873
    • 2009-02-09
    • Matthew BrownMarika HerodYanming Gao
    • Matthew BrownMarika HerodYanming Gao
    • G06F15/16
    • H04L29/04H04L47/10H04L69/14H04L69/24Y02D50/30
    • A system and method are provided for negotiating a link data rate in a communication system using a plurality of data rates. In a system including a first device network-connected to a second device, auto-negotiation (AN) messages are mutually transmitted. The AN messages indicate rate information such as preferred data rate capabilities, if the device has a dual-rate capability, single data rate capabilities, or is capable of communicating over a plurality of physical medium lanes. If the AN messages are mutually transmitted, a negotiated link data rate is established. However, if one of the devices cannot send AN messages, the other device times-out, and a link data rate is established at the data rate transmitted by the device that is not AN-capable.
    • 提供了一种用于在使用多个数据速率的通信系统中协商链路数据速率的系统和方法。 在包括与第二设备网络连接的第一设备的系统中,自动协商(AN)消息被相互传输。 AN消息指示诸如优选数据速率能力的速率信息,如果设备具有双速率能力,单个数据速率能力,或能够在多个物理介质通道上进行通信。 如果AN消息相互发送,则建立协商的链路数据速率。 然而,如果其中一个设备不能发送AN消息,则其他设备超时和链路数据速率以不是AN的能力的设备传输的数据速率建立。
    • 53. 发明申请
    • System and Method for Transmitter Training
    • 发射机训练系统和方法
    • US20100260250A1
    • 2010-10-14
    • US12423768
    • 2009-04-14
    • Jay QuirkMatthew Brown
    • Jay QuirkMatthew Brown
    • H04L27/01
    • H04L25/03038H04L2025/03592
    • A system and method are provided for ordering tap setting modifications in a link partner using a plurality of voltage gain taps, while avoiding minimum and maximum limitations. Provided is a link partner (LP) transmitter having a parallel selectable voltage gain taps. The method sends messages from a network-connected local device (LD) directing the LP to generally change the gain setting of either the pre-tap or the post-tap, as follows. The gain setting of selected tap is changed in the desired direction of modification and then the center tap gain settings is maximally increased until a limit signal is received. If a selected tap increment is desired, the center tap is initially decremented more steps than the desired change in the selected tap.
    • 提供了一种系统和方法,用于在使用多个电压增益抽头的情况下对链路伙伴中的抽头设置修改进行排序,同时避免最小和最大限制。 提供具有并联可选电压增益抽头的链路伙伴(LP)发射机。 该方法从引导LP的网络连接的本地设备(LD)发送消息,以通常改变预抽头或后抽头的增益设置,如下所述。 所选抽头的增益设置在所需的修改方向上改变,然后中心抽头增益设置最大程度增加,直到接收到限制信号。 如果需要选择抽头增量,则中心抽头最初会比所选抽头中所需的更改步长更多。
    • 54. 发明申请
    • System and Method for Inverse Multiplexing Using Transcoding and Frame Alignment Markers
    • 使用转码和帧对准标记进行反向复用的系统和方法
    • US20100208753A1
    • 2010-08-19
    • US12388128
    • 2009-02-18
    • Matthew Brown
    • Matthew Brown
    • H04J3/00
    • H04L29/06H04L25/4908
    • A system and method are provided for framing messages in a data streams encoded with redundant information for transmission and recovering the messages at a receiver. The transmission method accepts an energy waveform representing N words at a first bit rate, encoded with redundant information, where each word includes P number of bits. The N words are transformed, creating N transcoded words, where each transcoded word includes Q number of bits, and where Q 1 and each lane receives a frame of N/M transcoded words. A frame alignment marker is generated and mapped into each frame. Each frame is represented as an energy waveform that is transmitted on a corresponding physical lane at the first bit rate divided by M.
    • 提供了一种用于在用冗余信息编码的数据流中对消息进行成帧的系统和方法,用于在接收机处传输和恢复消息。 传输方法接收表示以冗余信息编码的第一比特率的N个字的能量波形,其中每个字包括P个比特数。 N个单词被变换,创建N个代码转换的单词,其中每个代码转换的单词包含Q个位数,并且其中Q 1并且每个通道接收N / M个转码字的帧。 生成帧对准标记并将其映射到每个帧中。 每帧被表示为在相应物理通道上以第一比特率除以M发送的能量波形。
    • 55. 发明申请
    • Transparent In-Band Forward Error Correction for Signal Conditioning-Encoded Signals
    • 信号调节编码信号的透明带内前向纠错
    • US20100131830A1
    • 2010-05-27
    • US12276808
    • 2008-11-24
    • Matthew BrownSean Campeau
    • Matthew BrownSean Campeau
    • H03M13/05G06F11/07
    • H04L67/1097H03M13/15H03M13/1515H03M13/2742
    • A system and method are provided for framing messages in a forward error correction (FEC) structure for data streams encoded with redundant signal conditioning information. The method accepts signal conditioning-encoded words at a first bit rate, and eliminates redundant information in the signal conditioning-encoded words, creating N reduced-bit words of k bits. The k-bit words are mapped into a payload field of N*(k/p) p-bit words. Overhead (OH) and FEC parity fields are generated, and a frame is created including the OH field, payload field, and FEC parity field. The bit values in the frame are then pseudorandomly scrambled and the scrambled frame is transmitted at the first bit rate. A system and method are also presented for recovering the signal conditioning-encoded words from an FEC frame.
    • 提供了一种系统和方法,用于以用冗余信号调节信息编码的数据流的前向纠错(FEC)结构中的成帧消息。 该方法以第一比特率接受信号调理编码的字,并消除信号调理编码字中的冗余信息,创建k比特的N个缩减比特字。 k位字映射到N *(k / p)p位字的有效负载字段。 产生开销(OH)和FEC奇偶校验字段,并且创建包括OH字段,有效载荷字段和FEC奇偶校验字段的帧。 然后将帧中的比特值伪随机地加扰,并以第一比特率发送加扰帧。 还提出了一种从FEC帧中恢复信号调理编码字的系统和方法。
    • 56. 发明授权
    • Pipe handling device and safety mechanism
    • 管道处理装置和安全机构
    • US07673675B2
    • 2010-03-09
    • US11913761
    • 2006-05-09
    • William CarrMatthew BrownPer G. Angman
    • William CarrMatthew BrownPer G. Angman
    • E21B19/18E21B19/16
    • E21B19/16E21B19/06E21B19/08
    • A pipe handling assembly includes: a pipe engaging apparatus including a pipe gripping mechanism connectable to a top drive such that the top drive transmits rotational movement and axial movement to the pipe gripping mechanism; a pipe handling device for mounting onto the pipe engaging apparatus, the pipe handling device including a link hanger mounted on the pipe engaging apparatus, a link arm having a first end pivotally connectable to the link hanger and an outboard end selected to carry a pipe into a position to be gripped by the pipe engaging apparatus; a bearing for isolating rotational movement to the pipe gripping mechanism from the link hanger; and a connection for rigidly connecting the link hanger to the pipe engaging apparatus during operation of the pipe handling assembly, the connection selected to substantially prevent the link hanger from rotating with the pipe gripping mechanism should the bearing seize.
    • 管道处理组件包括:管接合装置,其包括可连接到顶部驱动器的管夹持机构,使得顶部驱动器将旋转运动和轴向运动传递到管道夹持机构; 一种用于安装在管接合装置上的管道处理装置,所述管道处理装置包括安装在所述管道接合装置上的连接悬挂器,连杆臂,其具有可枢转地连接到所述连接悬挂器的第一端和被选择用于承载管道的外侧端 由管接合装置夹住的位置; 用于从连杆悬挂器分离到管夹持机构的旋转运动的轴承; 以及用于在管道处理组件的操作期间将连接架刚性地连接到管接合装置的连接件,所述连接被选择为当轴承抓住时基本上防止连杆架与管夹持机构一起旋转。
    • 57. 发明授权
    • Protocol independent sub-rate device
    • 协议独立子速率设备
    • US07590153B2
    • 2009-09-15
    • US10349939
    • 2003-01-24
    • Alan G. SolheimColin KellyMatthew BrownChris Knapton
    • Alan G. SolheimColin KellyMatthew BrownChris Knapton
    • H04J3/02H04J3/04G06F11/00
    • H04J3/1611H04J3/1682H04J3/22
    • A protocol independent multiplexer is described that allows for multiple different protocols that operate at different bit rates to be combined and output in a format that may have yet another bit rate. The multiplexer includes a series of inputting devices that are each coupled to a respective buffering device, a mapping device coupled to each of the buffering devices, and an outputting device coupled to the mapping device. Each of the inputting devices receive an input optical signal and forwards recovered data information to the corresponding buffering device. The buffering devices store the data information and output to the mapping device, the outputting being controlled by the mapping device to ensure that the buffering devices remain approximately half full. The mapping device formats the data information into individual data units and outputs the data units to the outputting device which subsequently multiplexes the data units. One key advantage of this protocol independent multiplexer is that only one piece of hardware is required for the operation of numerous different protocols.
    • 描述了一种协议无关的多路复用器,其允许以不同比特率操作的多个不同协议以可能具有另一个比特率的格式组合和输出。 多路复用器包括一系列输入设备,每个输入设备都耦合到相应的缓冲设备,耦合到每个缓冲设备的映射设备以及耦合到映射设备的输出设备。 每个输入装置接收输入光信号并将恢复的数据信息转发到相应的缓冲装置。 缓冲设备存储数据信息并输出到映射设备,输出由映射设备控制,以确保缓冲设备保持大约一半满。 映射设备将数据信息格式化为单独的数据单元,并将数据单元输出到随后复用数据单元的输出设备。 该协议独立复用器的一个关键优点在于,对于许多不同协议的操作,仅需要一块硬件。