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    Adaptive decoding based on signal to noise ratio (SNR)
    4.
    发明申请
    Adaptive decoding based on signal to noise ratio (SNR) 有权
    基于信噪比（SNR）的自适应解码

    公开(公告)号：US20140153673A1

    公开(公告)日：2014-06-05

    申请号：US14069258

    申请日：2013-10-31

    Applicant: Broadcom Corporation

    Inventor： Ba-Zhong Shen ,  Richard S. Prodan ,  Avi Kliger ,  Leo Montreuil ,  Jonathan S. Min ,  Tak K. Lee ,  Kelly Brian Cameron ,  Hau Thien Tran

    IPC: H04L1/00 ,  H04L27/26

    CPC classification number: H04L1/0054 ,  H04L1/0045 ,  H04L25/03159 ,  H04L25/03318 ,  H04L25/067 ,  H04L27/2649

    Abstract: A communication device is configured adaptively to process a receive signal based on noise that may have adversely affected the signal during transition via communication channel. The device may be configured to identify those portions of the signal of the signal that are noise-affected (e.g., noise-affected sub-carriers of an orthogonal frequency division multiplexing (OFDM) signal), or the device may receive information that identifies those portions of the signal that are noise-affected from one or more other devices. The device may be configured to perform the modulation processing of the received signal to generate log-likelihood ratios (LLRs) for use in decoding the signal. Those LLRs associated with noise-affected portions of the signal are handled differently than LLRs associated with portions of the signal that are not noise-affected. The LLRs may be scaled based on signal to noise ratio(s) (SNR(s)) associated with the signal (e.g., based on background noise, burst noise, etc.).

    Abstract translation: 通信设备被自适应地配置为基于可能在经由通信信道的转换期间不利地影响信号的噪声来处理接收信号。 该设备可以被配置为识别受到噪声影响的信号的信号的那些部分（例如，正交频分复用（OFDM）信号的噪声影响的子载波），或者设备可以接收标识那些 来自一个或多个其他装置的噪声影响的部分信号。 该设备可以被配置为执行接收信号的调制处理，以产生用于解码信号的对数似然比（LLR）。 与信号的噪声影响部分相关联的那些LLR被处理与不受噪声影响的信号的部分相关联的LLR不同。 可以基于与信号相关联的信噪比（SNR（s））来缩放LLR（例如，基于背景噪声，突发噪声等）。

    Resource unit (RU) allocation within wireless communications
    5.
    发明授权
    Resource unit (RU) allocation within wireless communications 有权

    公开(公告)号：US10153932B2

    公开(公告)日：2018-12-11

    申请号：US15333843

    申请日：2016-10-25

    Applicant: Broadcom Corporation

    Inventor： Leo Montreuil ,  Ron Porat

    IPC: H04W4/00 ,  H04L27/26 ,  H04L5/00

    Abstract: A wireless communication device (alternatively, device, WDEV, etc.) includes at least one processing circuitry configured to support communications with other WDEV(s) and to generate and process signals for such communications. In some examples, the device includes a communication interface and a processing circuitry, among other possible circuitries, components, elements, etc. to support communications with other WDEV(s) and to generate and process signals for such communications. A WDEV generates an orthogonal frequency division multiple access (OFDMA) frame that includes a preamble that specifies allocation and/or non-allocation of at least one resource unit (RU) for a communication channel and transmits the OFDMA frame to at least one other wireless communication device to be processed by the at least one other wireless communication device to determine the allocation of the at least one RU for the communication channel or the non-allocation of the at least one RU for the communication channel.

    Two-dimensional (2D) burst marker (BM) to identify data start and stop
    6.
    发明授权
    Two-dimensional (2D) burst marker (BM) to identify data start and stop 有权
    二维（2D）突发标记（BM）来标识数据的起始和停止

    公开(公告)号：US09553744B2

    公开(公告)日：2017-01-24

    申请号：US14643228

    申请日：2015-03-10

    Applicant: BROADCOM CORPORATION

    Inventor： Richard Stephen Prodan ,  Mark Edward Laubach ,  Leo Montreuil

    IPC: H04J14/02 ,  H04L25/40 ,  H04L27/26 ,  H04L1/00 ,  H04B10/2575 ,  H04J14/08 ,  H04L5/00

    CPC classification number: H04L25/40 ,  H04B10/2575 ,  H04J14/08 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L5/0007 ,  H04L5/0039 ,  H04L5/0048 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2656 ,  H04L27/2692

    Abstract: A communication device includes a communication interface and a processor configured to generate, transmit, receive, and process signals. The communication device generates orthogonal frequency division multiplexing (OFDM) frame(s) that include a two-dimensional (2D) start burst marker (BM), a data payload, and a 2D stop BM, and transmits the OFDM frame(s) to another communication device. Alternatively, the communication device receives OFDM frame(s) that include a 2D start BM and a 2D stop BM, and then identifies a data payload within those OFDM frame(s) based on the 2D start burst marker and a 2D stop BM. The 2D start and stop BMs are based on predetermined sequences having particular formats based on corresponding 2D sub-carrier and OFDM/A frame based structure. A receiver communication device then detects the 2D start BM and 2D stop BM within the received OFDM frame(s) based on knowledge of these predetermined sequences and particular formats.

    Abstract translation: 通信设备包括通信接口和被配置为生成，发送，接收和处理信号的处理器。 通信设备产生包括二维（2D）开始突发标记（BM），数据有效载荷和2D停止BM的正交频分复用（OFDM）帧，并将OFDM帧发送到 另一种通信设备。 或者，通信设备接收包括2D起始BM和2D停止BM的OFDM帧，然后基于2D开始突发标记和2D停止BM来识别那些OFDM帧内的数据有效载荷。 2D开始和停止BM基于基于相应的2D子载波和基于OFDM / A帧的结构的具有特定格式的预定序列。 接收机通信设备然后基于这些预定序列和特定格式的知识来检测所接收的OFDM帧内的2D起始BM和2D停止BM。

    Long training field (LTF) within wireless communications
    7.
    发明申请
    Long training field (LTF) within wireless communications 有权
    无线通信中的长训练场（LTF）

    公开(公告)号：US20160262139A1

    公开(公告)日：2016-09-08

    申请号：US15011496

    申请日：2016-01-30

    Applicant: BROADCOM CORPORATION

    Inventor： Ron Porat ,  Leo Montreuil

    IPC: H04W72/04 ,  H04L27/26 ,  H04L5/00 ,  H04W40/02

    CPC classification number: H04L27/2656 ,  H04L1/00 ,  H04L1/0025 ,  H04L1/0072 ,  H04L1/0075 ,  H04L5/0007 ,  H04L25/0224 ,  H04L27/2613 ,  H04W40/02 ,  H04W72/044 ,  Y02D70/00

    Abstract: A wireless communication device (alternatively, device) includes a processor configured to support communications with other wireless communication device(s) and to generate and process signals for such communications. In some examples, the device includes a communication interface and a processor, among other possible circuitries, components, elements, etc. to support communications with other wireless communication device(s) and to generate and process signals for such communications. Different long training fields (LTFs) are designed using different respective binary sequences. The LTFs are designs based on a number of resource units (RUs) and RU sizes associated with a sub-carriers/tone plan. Each RU allocation specifies a respective one or more RUs of one or more RU sizes for a communication channel. The LTFs are designed such that peak to average power ratio (PAPR) of the LTF increases across the RU allocations as size of the one or more RU sizes increases.

    Abstract translation: 无线通信设备（可选地，设备）包括被配置为支持与其他无线通信设备的通信并且生成和处理用于这种通信的信号的处理器。 在一些示例中，设备包括通信接口和处理器以及其他可能的电路，组件，元件等，以支持与其他无线通信设备的通信，并且生成和处理用于这种通信的信号。 使用不同的二进制序列设计不同的长训练场（LTF）。 LTF是基于与子载波/音调计划相关联的多个资源单元（RU）和RU大小的设计。 每个RU分配为通信信道指定一个或多个RU大小的相应的一个或多个RU。 LTF的设计使得随着一个或多个RU大小的大小增加，LTF的峰均功率比（PAPR）随着RU分配而增加。

    Time to Time-Frequency Mapping and Demapping for Ethernet Passive Optical Network over Coax (EPoC)
    8.
    发明申请
    Time to Time-Frequency Mapping and Demapping for Ethernet Passive Optical Network over Coax (EPoC) 审中-公开
    以太网无源光网络同轴电缆（EPoC）的时频映射和解映射

    公开(公告)号：US20160099780A1

    公开(公告)日：2016-04-07

    申请号：US14965502

    申请日：2015-12-10

    Applicant: Broadcom Corporation

    Inventor： Sanjay GOSWAMI ,  Avi Kliger ,  Edward Boyd ,  Yitshak Ohana ,  Leo Montreuil

    IPC: H04B10/27 ,  H04L5/00

    CPC classification number: H04B10/27 ,  H04L5/0007 ,  H04L5/001 ,  H04Q11/0067 ,  H04Q2213/1301 ,  H04Q2213/13389

    Abstract: Embodiments include, but are not limited to, systems and methods for enabling Orthogonal Frequency Division Multiple Access (OFDMA) in the upstream in an Ethernet Passive Optical Network over Coax (EPoC) network. Embodiments include systems and methods for translating Ethernet Passive Optical Network (EPON) upstream time grants to OFDMA resources represented by individual subcarriers of an upstream OFDMA frame. In an embodiment, the translation of EPON upstream time grants to OFDMA resources ensures that Coaxial Network Units (CNUs) sharing an OFDMA frame do not use overlapping subcarriers within the frame. Embodiments further include systems and methods for timing upstream transmissions by the CNUs in order for the transmissions to be received within the same upstream OFDMA frame at a Fiber Coax Unit (ECU). Embodiments further include systems and methods for regenerating a data burst from OFDMA resources for transmission from the ECU to an Optical Line Terminal (OLT).

    Abstract translation: 实施例包括但不限于在同轴（EPoC）网络中的以太网无源光网络中的上游中实现正交频分多址（OFDMA）的系统和方法。 实施例包括用于将以太网无源光网络（EPON）上行时间授权转换为由上行OFDMA帧的各个子载波所表示的OFDMA资源的系统和方法。 在一个实施例中，EPON上行时间授权到OFDMA资源的转换确保共享OFDMA帧的同轴网络单元（CNU）不使用该帧内的重叠子载波。 实施例还包括用于由CNU定时上行传输的系统和方法，以便在光纤同轴电缆单元（ECU）的同一上行OFDMA帧内接收传输。 实施例还包括用于从OFDMA资源再生数据突发的系统和方法，用于从ECU到光线路终端（OLT）的传输。

    Noise localization within cable based communication systems
    9.
    发明申请
    Noise localization within cable based communication systems 有权
    基于电缆的通信系统中的噪声定位

    公开(公告)号：US20160028496A1

    公开(公告)日：2016-01-28

    申请号：US14800177

    申请日：2015-07-15

    Applicant: BROADCOM CORPORATION

    Inventor： Bruce Joseph Currivan ,  Richard Stephen Prodan ,  Leo Montreuil ,  Thomas Joseph Kolze ,  Ramon Alejandro Gomez ,  Jonathan Sooki Min ,  Fang Lu ,  Donald George McMullin ,  Kevin Lee Miller ,  Peter Cangiane ,  Mark Edward Laubach

    IPC: H04B17/18 ,  H04B17/345 ,  H04L5/00

    CPC classification number: H04B17/18 ,  H04B3/46 ,  H04B17/0085 ,  H04B17/15 ,  H04B17/26 ,  H04B17/29 ,  H04B17/345 ,  H04L1/20 ,  H04L1/24 ,  H04L5/0007 ,  H04L2012/6421

    Abstract: A communication device (e.g., a cable modem (CM)) includes a digital to analog converter (DAC) and a power amplifier (PA) that generate a signal to be transmitting via a communication interface to another communication device (e.g., cable modem termination system (CMTS)). The CM includes diagnostic analyzer that samples the signal based on a fullband sample capture corresponding to a full bandwidth and/or a subset (e.g., narrowband) sample capture to generate a fullband and/or subset signal capture (e.g., of an upstream (US) communication channel between the CM and the CMTS). The diagnostic analyzer can be configured to generate sample captures of the signal based on any desired parameter(s), condition(s), and/or trigger(s). The CM then transmits the signal to the CMTS and the fullband and/or subset signal capture to the CMTS and/or a proactive network maintenance (PNM) communication device to determine at least one characteristic associated with performance of the US communication channel.

    Abstract translation: 通信设备（例如，电缆调制解调器（CM））包括数字到模拟转换器（DAC）和功率放大器（PA），其产生要经由通信接口发送到另一通信设备的信号（例如，电缆调制解调器终端 系统（CMTS））。 CM包括诊断分析器，其基于与全带宽和/或子集（例如，窄带）采样捕获相对应的全频带采样捕获来采样信号，以产生全频带和/或子集信号捕获（例如，上游（US ）CM和CMTS之间的通信通道）。 诊断分析器可以被配置为基于任何期望的参数，条件和/或触发来产生信号的采样捕获。 然后，CM将信号发送到CMTS，将全频带和/或子集信号捕捉发送到CMTS和/或主动网络维护（PNM）通信设备，以确定与美国通信信道的性能相关联的至少一个特性。

    Physical layer (PHY) link signaling for cable networks
    10.
    发明授权
    Physical layer (PHY) link signaling for cable networks 有权
    电缆网络的物理层（PHY）链路信令

    公开(公告)号：US09118444B2

    公开(公告)日：2015-08-25

    申请号：US14029204

    申请日：2013-09-17

    Applicant: Broadcom Corporation

    Inventor： Avi Kliger ,  Yitshak Ohana ,  Niki Pantelias ,  Leo Montreuil ,  Jonathan S. Min ,  Edward Boyd ,  Mark Laubach ,  Victor Hou

    IPC: H04B1/38 ,  H04L5/00

    CPC classification number: H04L69/323 ,  H04L5/0046 ,  H04L5/0057 ,  H04L5/0092 ,  H04L5/0094 ,  H04L12/2861 ,  H04L27/2602 ,  H04L27/2627 ,  H04N21/42676 ,  H04N21/6118

    Abstract: Embodiments include systems and methods for enabling a physical layer (PHY) link signaling channel between a network termination modem and a cable modem in a cable network. The PHY link signaling channel is embedded within the same multi-carrier channel as the data and enables PHY link up between the network termination modem and cable modem without involvement of higher layers (e.g., MAC). The PHY link signaling channel can be implemented in the downstream (from the network termination modem to the cable modem(s)) or in the upstream from a cable modem to the network termination modem. Embodiments are applicable to any known cable network, and particularly to cable networks implementing the DOCSIS and EPoC standards.

    Abstract translation: 实施例包括用于在电缆网络中实现网络终端调制解调器和电缆调制解调器之间的物理层（PHY）链路信令信道的系统和方法。 PHY链路信令信道被嵌入在与数据相同的多载波信道中，并且使得PHY能够在网络终端调制解调器和电缆调制解调器之间链接，而不涉及较高层（例如，MAC）。 PHY链路信令信道可以在下游（从网络终端调制解调器到电缆调制解调器）或在电缆调制解调器的上游到网络终端调制解调器。 实施例可应用于任何已知的有线网络，特别适用于实现DOCSIS和EPoC标准的有线网络。

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