公开(公告)号：US20160020930A1

公开(公告)日：2016-01-21

申请号：US14723695

申请日：2015-05-28

Applicant: BROADCOM CORPORATION

Inventor： Thomas J. Kolze ,  Bruce J. Currivan

IPC: H04L27/00 ,  H04L27/36 ,  H04L1/00

CPC classification number: H04L27/0008 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/24 ,  H04L27/2604 ,  H04L27/3488 ,  H04L27/362

Abstract: A communication device is configured to perform symbol mapping of bits to generate modulation symbols using one or more modulations. The device may employ a blended modulation composed of bit labels or symbols having different numbers of bits per symbol and different modulations. For example, the device may symbol map bit labels/symbols having first number of bits per symbol to first modulation, and the device may symbol map labels/symbols having second number of bits per symbol to second modulation. The device may be configured to perform forward error correction (FEC) or error correction code (ECC) and coding of information bits to generate coded bits that subsequently undergo symbol mapping. The device may be configured to operate based on different operational modes based on substantially uniform steps of rates, or bits per symbol, and energy per bit or symbol to noise spectral density ratio (Eb/N0 or Es/N0).

公开(公告)号：US20150381324A1

公开(公告)日：2015-12-31

申请号：US14512259

申请日：2014-10-10

Applicant: Telefonaktiebolaget L M Ericsson (publ)

Inventor： Gregory Mirsky ,  Evgeny Tantsura

IPC: H04L1/24 ,  H04L12/26

CPC classification number: H04L1/24 ,  H04L43/0847 ,  H04L45/00 ,  H04L45/02 ,  H04L45/22 ,  H04L45/28 ,  H04L45/50 ,  H04L2012/5625

Abstract: A method is implemented by a network device to establish a bidirectional forwarding detection (BFD) session with a defined return path to enable detection of data plane failures between an active node and a passive node in a network where a forward path and a reverse path between the active node and the passive node are not co-routed. The method includes receiving a label switched path (LSP) ping including a BFD discriminator type length value (TLV) of the active node and a return path TLV describing a return path to the active node. The BFD discriminator of the active node and a BFD discriminator of the passive node are associated with the BFD session. The return path is associated with the BFD session between the active node and the passive node, and BFD control packets are sent to the active node using the return path to detect a failure on the return path.

Abstract translation: 一种方法由网络设备实现，以建立具有定义的返回路径的双向转发检测（BFD）会话，以便能够检测网络中的主动节点和被动节点之间的数据平面故障，其中前向路径和 主动节点和被动节点不共路由。 该方法包括接收包括主动节点的BFD鉴别器类型长度值（TLV）的标签交换路径（LSP）ping，以及描述到主动节点的返回路径的返回路径TLV。 主动节点的BFD鉴别器和被动节点的BFD鉴别器与BFD会话相关联。 返回路径与主动节点和被动节点之间的BFD会话相关联，BFD控制报文使用返回路径发送到主动节点，以检测返回路径上的故障。

公开(公告)号：US20150341488A1

公开(公告)日：2015-11-26

申请号：US14818731

申请日：2015-08-05

Applicant: TQ DELTA, LLC

Inventor： David M. KRINSKY ,  Robert Edmund PIZZANO, JR.

IPC: H04M3/30 ,  H04L27/26

CPC classification number: H04M3/304 ,  H04B3/46 ,  H04L1/0001 ,  H04L1/0061 ,  H04L1/08 ,  H04L1/18 ,  H04L1/24 ,  H04L1/245 ,  H04L5/1438 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/3461 ,  H04M3/2209 ,  H04M3/2227 ,  H04M3/28 ,  H04M3/30

Abstract: Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct.

Abstract translation: 在检测到诸如超过错误阈值或用户方向的触发时，诊断链路系统进入诊断信息传输模式。 该诊断信息传输模式允许两个调制解调器交换在正常通信期间可能不可交换的诊断和/或测试信息。 通过向伴随循环冗余校验（CRC）的接收调制解调器发送初始诊断链路模式消息来启动诊断信息传输模式。 接收调制解调器基于CRC确定是否存在健壮的通信信道。 如果存在健壮的通信信道，则两个调制解调器可以发起诊断和/或测试信息的交换。 否则，发送调制解调器的发送功率增加，并且初始诊断链路模式消息被重新发送到接收调制解调器，直到CRC被确定为正确。

公开(公告)号：US09172498B2

公开(公告)日：2015-10-27

申请号：US13852643

申请日：2013-03-28

Applicant: Futurewei Technologies, Inc.

Inventor： Hiroshi Takatori ,  Kofi Anim-Appiah ,  Hang Yan

IPC: H04K1/02 ,  H04L1/00 ,  H04L1/20 ,  H04L1/24 ,  H04L25/03

CPC classification number: H04L1/0042 ,  H04B17/11 ,  H04B17/336 ,  H04L1/205 ,  H04L1/24 ,  H04L1/242 ,  H04L1/243 ,  H04L1/244 ,  H04L25/03343

Abstract: A transmitter comprising a noise signal generator, a summing element configured to generate a signal as a sum of an output of the noise signal generator and a transmit data signal, and a transmit driver configured to generate an output signal based on the sum. Also, a method of calibrating a signal-to-noise ratio (SNR) for a transmitter comprising transmitting a first signal comprising a data signal with no noise signal, capturing the first signal, transmitting a second signal comprising a noise signal, wherein both an amplitude and a phase of the noise signal have been adjusted by a gain and phase control element, capturing the second signal, and determining the SNR corresponding to the captured first signal and the captured second signal, wherein the transmitter transmits the second signal using a transmit driver.

Abstract translation: 一种发送器，包括噪声信号发生器，被配置为产生作为噪声信号发生器的输出和发送数据信号的和的信号的求和元件，以及配置成基于该和产生输出信号的发送驱动器。 此外，校准发射机的信噪比（SNR）的方法包括：发射包括没有噪声信号的数据信号的第一信号，捕获第一信号，发送包括噪声信号的第二信号，其中， 已经通过增益和相位控制元件调整噪声信号的幅度和相位，捕获第二信号，并且确定与所捕获的第一信号和所捕获的第二信号相对应的SNR，其中发射机使用传输 司机。

公开(公告)号：US09166749B2

公开(公告)日：2015-10-20

申请号：US14079384

申请日：2013-11-13

Applicant: IPGoal Microelectronics (Sichuan) Co., Ltd.

Inventor： Zhaolei Wu

IPC: G06F3/00 ,  G06F13/00 ,  G06F13/42 ,  H04L1/24

CPC classification number: H04L1/24

Abstract: A serial data transmission system includes a sending terminal for sending data, a receiving terminal for receiving the data sent by the sending terminal, a first connecting capacitor connected between the sending terminal and the receiving terminal, and a second connected capacitor connected between the sending terminal and the receiving terminal. The sending terminal includes a sending terminal driving unit, and an amplitude detecting unit connected to the sending terminal driving unit. The sending terminal driving unit outputs a pair of differential signals according to signals of the received data. The amplitude detecting unit detects changes in amplitudes of the differential signals outputted by the sending terminal driving unit, and outputs an indicating signal for indicating whether the sending terminal is properly connected to the receiving terminal. A serial data transmission method is further provided.

Abstract translation: 串行数据传输系统包括用于发送数据的发送终端，用于接收由发送终端发送的数据的接收终端，连接在发送终端与接收终端之间的第一连接电容器和连接在发送终端之间的第二连接电容器 和接收终端。 发送终端包括发送终端驱动单元和连接到发送终端驱动单元的振幅检测单元。 发送终端驱动单元根据接收到的数据的信号输出一对差分信号。 振幅检测单元检测由发送终端驱动单元输出的差分信号的振幅的变化，并且输出用于指示发送终端是否正确连接到接收终端的指示信号。 还提供串行数据传输方法。

公开(公告)号：US20150269019A1

公开(公告)日：2015-09-24

申请号：US14317661

申请日：2014-06-27

Applicant: Infineon Technologies AG

Inventor： Wolfgang Scherr ,  Christian Reidl ,  Michael Strasser ,  Veikko Summa

IPC: G06F11/10 ,  H04L1/00

CPC classification number: H04L1/0061 ,  H03M13/09 ,  H04L1/0046 ,  H04L1/24

Abstract: Methods and devices are provided wherein feedback is included in a checksum.

Abstract translation: 提供了方法和设备，其中反馈被包括在校验和中。

公开(公告)号：US20150263467A1

公开(公告)日：2015-09-17

申请号：US14726940

申请日：2015-06-01

Applicant: ChriMar Systems, Inc.

Inventor： JOHN F. AUSTERMANN, III ,  Marshall B. Cummings

IPC: H01R24/64 ,  H04B3/54

CPC classification number: H01R24/64 ,  H01R2107/00 ,  H04B3/54 ,  H04B2203/5445 ,  H04B2203/5458 ,  H04B2203/5466 ,  H04B2203/547 ,  H04B2203/5491 ,  H04B2203/5495 ,  H04L1/24

Abstract: An Ethernet device having an Ethernet connector comprising first and second pairs of contacts to carry BaseT Ethernet communication signals wherein at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts are configured to conduct at least two different magnitudes of DC current flow without interfering with the BaseT Ethernet communication signals.

Abstract translation: 一种具有以太网连接器的以太网设备，包括第一和第二对接头以承载BaseT以太网通信信号，其中第一对触点的触点中的至少一个和第二对触点的触点中的至少一个被配置为导通 至少两个不同大小的直流电流流动，而不会干扰BaseT以太网通信信号。

公开(公告)号：US09077535B2

公开(公告)日：2015-07-07

申请号：US13894817

申请日：2013-05-15

Applicant: LITEPOINT CORPORATION

Inventor： Christian Volf Olgaard

IPC: H04L1/24 ,  H04B17/391 ,  H04B7/04

CPC classification number: H04L1/24 ,  H04B7/0413 ,  H04B17/3911 ,  H04L1/06 ,  H04L1/241

Abstract: In accordance with the presently claimed invention, a system and method are provided for testing multiple-input, multiple-output wireless radiofrequency (RF) packet data signal transceivers while operating in such ways as to communicate their signals using various combinations or permutations of packet data streams without requiring termination or re-establishment of communication links following transitions from one combination or permutation of packet data streams to another.

Abstract translation: 根据目前要求保护的发明，提供了一种系统和方法，用于测试多输入多输出无线射频（RF）分组数据信号收发器，同时以使用分组数据的各种组合或排列来传送其信号的方式操作 流，而不需要在从一个组合或分组数据流的排列转换到另一个组合之后终止或重新建立通信链路。

公开(公告)号：US20150089047A1

公开(公告)日：2015-03-26

申请号：US14042263

申请日：2013-09-30

Applicant: Broadcom Corporation

Inventor： William Brad Matthews ,  Puneet Agarwal

IPC: H04L12/26

CPC classification number: H04L43/0847 ,  H04L1/0061 ,  H04L1/0082 ,  H04L1/24

Abstract: Disclosed are various embodiments that relate identifying a source of corruption in a network made up of multiple network nodes. A network node is configured to provide corruption source identification while handling packets according to a cut-through scheme. According to some embodiments, a network node may perform a running error detection operation on a cut-through packet and then insert a debug indicator into the cut through packet. In other embodiments, the network node may process some packets according to a cut-through scheme while process other packets according to a store-and-forward scheme to detect packet corruption in a network.

Abstract translation: 公开了涉及在由多个网络节点组成的网络中识别损坏源的各种实施例。 网络节点被配置为在根据直通方案处理分组时提供损坏源标识。 根据一些实施例，网络节点可以对直通分组执行运行中的错误检测操作，然后将调试指示符插入切穿分组。 在其他实施例中，网络节点可以根据切换方案处理一些分组，同时根据存储和转发方案处理其他分组以检测网络中的分组损坏。

公开(公告)号：US08982938B2

公开(公告)日：2015-03-17

申请号：US13713309

申请日：2012-12-13

Applicant: Adee O. Ran

Inventor： Adee O. Ran

IPC: H04B3/46 ,  H04L1/24

CPC classification number: H04B17/104 ,  G01R29/027 ,  G01R31/31709 ,  H04L1/205 ,  H04L1/24 ,  H04L1/248 ,  H04L27/04

Abstract: Methods and test equipment for measuring jitter in a Pulse Amplitude Modulated (PAM) transmitter. Under one procedure, a first two-level PAM signal test pattern is used to measure clock-related jitter separated into random and deterministic components, while a second two-level PAM signal test pattern is used to measure oven-odd jitter (EOJ). Under another procedure, A four-level PAM signal test pattern is used to measure jitter-induced noise using distortion analysis. Test equipment are also disclosed for implementing various aspects of the test methods.

Abstract translation: 用于测量脉冲幅度调制（PAM）发射机抖动的方法和测试设备。 在一个程序下，使用第一个两级PAM信号测试模式来测量分为随机和确定性分量的时钟相关抖动，而使用第二个两级PAM信号测试模式来测量烤箱奇数抖动（EOJ）。 在另一个程序中，使用四电平PAM信号测试模式来测量使用失真分析的抖动引起的噪声。 还公开了用于实施测试方法的各个方面的测试设备。