Systems and methods for communication system control utilizing corrected forward error correction error location identifiers
    1.
    发明授权
    Systems and methods for communication system control utilizing corrected forward error correction error location identifiers 有权
    利用校正的前向纠错误差位置标识符进行通信系统控制的系统和方法

    公开(公告)号:US07962049B2

    公开(公告)日:2011-06-14

    申请号:US11954980

    申请日:2007-12-12

    IPC分类号: H04B10/06

    摘要: The present invention provides systems and methods for communication system control utilizing corrected forward error correction (FEC) error location identifiers in multi-level modulation scheme systems. The present invention utilizes precise error correction information, available for each FEC block of a particular code (including, but not limited to, block codes and concatenated block codes employing iterative decoding as well as convolutional codes (including turbo codes) and low-density parity-check code (LDPC) class codes) used (e.g., Bose, Ray-Chaudhuri, Hocquenghem (BCH), Reed-Solomon, etc.), as a result of the FEC decoding process to provide feedback to close the loop for control of a demodulator (i.e., receiver). Each error location can be uniquely traced back to a particular sub-rate signal path, with running, post-FEC corrected BER (bit error rate) calculations generated on each sub-rate signal. Advantageously, this provides the ability to adjust thresholds and various other parameters to achieve and maintain error-free operation quickly.

    摘要翻译: 本发明提供了在多级调制方案系统中利用校正的前向纠错(FEC)错误位置标识符的通信系统控制的系统和方法。 本发明利用针对特定码的每个FEC块(包括但不限于采用迭代解码以及卷积码(包括turbo码)的块码和级联块码)和低密度奇偶校验码的精确纠错信息 - 使用的检验码(LDPC)类码)(例如,Bose,Ray-Chaudhuri,Hocquenghem(BCH),Reed-Solomon等),作为FEC解码处理的结果,提供反馈以关闭用于控制 解调器(即接收器)。 每个错误位置可以唯一地追溯到特定的子速率信号路径,其中每个子速率信号上产生运行的FEC后校正BER(误码率)计算。 有利地,这提供了调整阈值和各种其他参数以便快速实现和维持无差错操作的能力。

    SYSTEMS AND METHODS FOR MEMS-BASED CROSS-POINT ELECTRICAL SWITCHING
    3.
    发明申请
    SYSTEMS AND METHODS FOR MEMS-BASED CROSS-POINT ELECTRICAL SWITCHING 有权
    用于基于MEMS的交叉点电气开关的系统和方法

    公开(公告)号:US20150076923A1

    公开(公告)日:2015-03-19

    申请号:US14027818

    申请日:2013-09-16

    IPC分类号: B81B7/00 H04Q11/00 B81B7/04

    摘要: A Microelectromechanical systems (MEMS)-based N×M cross-point switch, a MEMS-based system, and a method provide MEMS-based cross-point electrical switching for a Layer 0 flow-based switch. The N×M cross-point switch includes N inputs each at least 10 Gbps, M output each at least 10 Gbps, a plurality of Radio Frequency (RF) MEMS switches selectively interconnecting the N inputs to the M outputs; and control and addressing circuitry to selectively control the plurality of RF MEMS switches to switch each of the N inputs to a corresponding output of the M outputs. The systems and methods provide an electrical switching fabric for flow-based switching of wavelengths that can be part of a Reconfigurable Electrical Add/Drop Multiplexer (READM) with similar functionality as a ROADM in the electronic domain.

    摘要翻译: 基于微机电系统(MEMS)的N×M交叉点开关,基于MEMS的系统和方法为基于层0的基于流的交换机提供基于MEMS的交叉点电气交换。 N×M交叉点开关包括每个至少10Gbps的N个输入,每个至少10Gbps的M个输出;多个射频(RF)MEMS开关,其将N个输入选择性地互连到M个输出; 以及控制和寻址电路,以选择性地控制多个RF MEMS开关以将N个输入中的每一个切换到M个输出的相应输出。 这些系统和方法提供了用于基于流的基于波长的交换的电交换结构,其可以是具有与电子域中的ROADM类似的功能的可重构电附加多路复用器(READM)的一部分。

    Serializer-deserializer circuit with multi-format and multi-data rate capability
    4.
    发明授权
    Serializer-deserializer circuit with multi-format and multi-data rate capability 有权
    具有多格式和多数据速率功能的串行器 - 解串器电路

    公开(公告)号:US08582705B2

    公开(公告)日:2013-11-12

    申请号:US11953305

    申请日:2007-12-10

    IPC分类号: H04L7/00

    CPC分类号: H04L27/2071 H03M9/00

    摘要: The present invention provides a serializer/deserializer (SERDES) circuit that can cover both client- and network-side interfaces for high-speed data rates. The present invention leverages commonality between the client and network (also known as line) side, and accommodates differences in a flexible manner. In one exemplary embodiment, the present invention provides a four-channel implementation to meet the requirement of both interfaces. The SERDES circuit can be capable of supporting both 40 Gb/s and 56 Gb/s data rates, can include an integrated DQPSK pre-coder and I/Q input/output signals, and can support RZ clock recovery. Additionally, the SERDES circuit can include differential coding support, electronic pre-emphasis, receiver-side electronic dispersion compensation, and the like.

    摘要翻译: 本发明提供了一种串行器/解串器(SERDES)电路,其可以覆盖用于高速数据速率的客户端和网络侧接口。 本发明利用客户端和网络(也称为线路)侧之间的通用性,并以灵活的方式适应差异。 在一个示例性实施例中,本发明提供了四通道实现以满足两个接口的要求。 SERDES电路能够支持40 Gb / s和56 Gb / s数据速率,可以包含集成的DQPSK预编码器和I / Q输入/输出信号,并且可以支持RZ时钟恢复。 此外,SERDES电路可以包括差分编码支持,电子预加重,接收机侧电子色散补偿等。

    HIGH-SPEED OPTICAL TRANSCEIVER FOR INFINIBAND AND ETHERNET
    5.
    发明申请
    HIGH-SPEED OPTICAL TRANSCEIVER FOR INFINIBAND AND ETHERNET 有权
    用于INFINIBAND和以太网的高速光纤收发器

    公开(公告)号:US20090022497A1

    公开(公告)日:2009-01-22

    申请号:US12166537

    申请日:2008-07-02

    IPC分类号: H04B10/00

    摘要: The present invention provides a high-speed 100G optical transceiver for InfiniBand and Ethernet with associated mapping to frame InfiniBand and Ethernet into GFP-T. The optical transceiver utilizes an architecture which relies on standards-compliant (i.e., multi-sourced) physical client interfaces. These client interfaces are back-ended with flexible, programmable Field Programmable Gate Array (FPGA) modules to accomplish either InfiniBand or Ethernet protocol control, processing, re-framing, and the like. Next, signals are encoded with Forward Error Correction (FEC) and can include additional Optical Transport Unit (OTU) compliant framing structures. The resulting data is processed appropriately for the subsequent optical re-transmission, such as, for example, with differential encoding, Gray encoding, I/Q Quadrature encoding, and the like. The data is sent to an optical transmitter block and modulated onto an optical carrier. Also, the same process proceeds in reverse on the receive side.

    摘要翻译: 本发明提供了用于InfiniBand和以太网的高速100G光收发器,具有将InfiniBand和以太网格式化成GFP-T的相关映射。 光收发器利用依赖于符合标准(即多源)物理客户端接口的架构。 这些客户端接口具有灵活的,可编程的现场可编程门阵列(FPGA)模块,可实现InfiniBand或以太网协议控制,处理,重新构建等功能。 接下来,信号用前向纠错(FEC)进行编码,并且可以包括额外的光传输单元(OTU)兼容框架结构。 对于随后的光学重传,例如用差分编码,格雷编码,I / Q正交编码等适当地处理所得到的数据。 将数据发送到光发射机模块并调制到光载波上。 而且,相同的处理在接收侧进行相反的处理。

    Forward error correction architecture and implementation for power/space efficient transmission systems
    8.
    发明授权
    Forward error correction architecture and implementation for power/space efficient transmission systems 有权
    用于功率/空间有效传输系统的前向纠错架构和实现

    公开(公告)号:US09515683B2

    公开(公告)日:2016-12-06

    申请号:US14459000

    申请日:2014-08-13

    IPC分类号: H03M13/29 H03M13/15

    摘要: A concatenated Forward Error Correction (FEC) code method, at an intermediate point, includes receiving, from an ingress point, a signal that is fully encoded with a concatenated FEC code, wherein the concatenated FEC code includes at least an inner code and an outer code; partially decoding the signal by decoding the inner code at the intermediate point; and transmitting the partially decoded signal towards an egress point where the partially decoded signal is fully decoded.

    摘要翻译: 在中间点处的级联前向纠错(FEC)码法包括从入口点接收完全用连接的FEC码进行编码的信号,其中连接的FEC码至少包括内码和外码 码; 通过解码中间点处的内码来对信号进行部分解码; 以及将部分解码的信号发送到部分解码的信号被完全解码的出口点。

    High speed optical communication systems and methods with flexible bandwidth adaptation
    9.
    发明授权
    High speed optical communication systems and methods with flexible bandwidth adaptation 有权
    高速光通信系统和方法具有灵活的带宽适配能力

    公开(公告)号:US09374166B2

    公开(公告)日:2016-06-21

    申请号:US13372013

    申请日:2012-02-13

    摘要: A fiber optic system includes a transmitter configured to utilize a plurality of modulation formats and a receiver communicatively coupled to the transmitter and configured to utilize a plurality of modulation formats. The transmitter and the receiver are cooperatively configured to set a modulation format of the plurality of modulation formats based upon optical signal-to-noise ratio associated therewith. A flexible bandwidth adaptation method includes monitoring at least one aspect of an optical link at a network element, responsive to the at least one aspect, computing a new modulation scheme for the optical link, and, if a solution is found for the new modulation scheme, changing to the new modulation format.

    摘要翻译: 光纤系统包括被配置为利用多个调制格式的发射机和通信地耦合到发射机并被配置为利用多个调制格式的接收机。 发射机和接收机被协作地配置成基于与其相关联的光信噪比来设置多种调制格式的调制格式。 灵活的带宽适配方法包括:响应于至少一个方面,监测网络元件处的光链路的至少一个方面,计算用于光链路的新调制方案,以及如果为新的调制方案找到解决方案 ,改为新的调制格式。