Method and system of channel analysis and carrier selection in OFDM and multi-carrier systems
    1.
    发明申请
    Method and system of channel analysis and carrier selection in OFDM and multi-carrier systems 有权
    OFDM和多载波系统中信道分析和载波选择的方法和系统

    公开(公告)号:US20080205534A1

    公开(公告)日:2008-08-28

    申请号:US11899853

    申请日:2007-09-07

    IPC分类号: H04K1/10 H04J11/00

    摘要: The invention presents a novel method to channel estimation in OFDM systems. The embodiment of this invention is a block of new logic and modifications performed to other components of the system, added to any existing OFDM receiver, which utilizes information available from other blocks as found in the receiver. This logic would improve the units' error rate because of the improved channel quality estimations it makes available. This improvement is made possible because both channel noise data and channel signal data are used in the estimation process. This data goes through a learning process over time and multiple data blocks for further improvements in the quality of the estimate. This improvement is possible without any direct communications with other remote units, but it could be used in a multi-node environment to improve the performance of the system as the whole.

    摘要翻译: 本发明提出了OFDM系统中信道估计的新颖方法。 本发明的实施例是对所述系统的其他部件执行的新的逻辑和修改的一个块,被添加到利用在接收机中发现的其他块可用的信息的任何现有OFDM接收机。 这个逻辑会改善单位的错误率,因为它提供了改善的信道质量估计。 这种改进是可能的,因为在估计过程中使用信道噪声数据和信道信号数据。 该数据经过一段时间的学习过程和多个数据块,以进一步提高估计的质量。 这种改进是可能的,没有与其他远程单元的任何直接通信,但是它可以在多节点环境中使用以提高整个系统的性能。

    Method and system for maximizing data throughput rate in a power line communications system by modifying payload symbol length
    2.
    发明申请
    Method and system for maximizing data throughput rate in a power line communications system by modifying payload symbol length 有权
    通过修改有效载荷符号长度来最大化电力线通信系统中数据吞吐率的方法和系统

    公开(公告)号:US20050169363A1

    公开(公告)日:2005-08-04

    申请号:US10643316

    申请日:2003-08-19

    IPC分类号: H04B1/66 H04B3/54 H04L27/26

    摘要: Data throughput rate in a power line communications (“PLC”) system is controlled by generating PLC carrier signals in accordance with a PLC signal frame structure containing payload symbols where the payload symbol length is selected based on at least one of a PLC system channel quality and node configuration data. The selected payload symbol length determines the processing operations that a source PLC transceiver performs for generating PLC signals or that a destination PLC transceiver performs for extracting information content from received PLC signals. The payload symbol lengths can be selected to maximize the data throughput rate while maintaining compatibility with prior art PLC system protocols and standards that require a PLC signal frame structure and its payload portion to have fixed, predetermined lengths.

    摘要翻译: 电力线通信(“PLC”)系统中的数据吞吐率通过根据包含有效载荷符号的PLC信号帧结构生成PLC载波信号来控制,其中有效载荷符号长度被选择为基于PLC系统信道质量 和节点配置数据。 所选择的有效载荷符号长度确定源PLC收发器执行用于产生PLC信号的处理操作或者目的地PLC收发器执行用于从接收的PLC信号中提取信息内容的处理操作。 可以选择有效载荷符号长度以最大化数据吞吐率,同时保持与现有技术的PLC系统协议和标准的兼容性,这些PLC系统协议和标准需要PLC信号帧结构,并且其有效载荷部分具有固定的预定长度。

    Method and system for timing controlled signal transmission in a point to multipoint power line communications system
    3.
    发明授权
    Method and system for timing controlled signal transmission in a point to multipoint power line communications system 有权
    在点对多点电力线通信系统中定时控制信号传输的方法和系统

    公开(公告)号:US07369579B2

    公开(公告)日:2008-05-06

    申请号:US10671126

    申请日:2003-09-25

    IPC分类号: H04J3/06

    摘要: Power line communication (“PLC”) signals are transmitted between a head-end PLC transceiver coupled to multiple remote PLC transceivers over a electric power and communications distribution network in accordance with a timing controlled PLC data frame which determines how much bandwidth is allocated to downstream transmission from the head-end to the remotes and to upstream transmissions from one or more of the remotes to the head-end. The configuration of the timing controlled data frame can be dynamically modified to achieve higher bandwidth for the downstream traffic and to satisfy changing bandwidth needs of each remote.

    摘要翻译: 电力线通信(“PLC”)信号通过电力和通信分配网络在连接到多个远程PLC收发器的头端PLC收发器之间传输,该定时控制PLC数据帧确定向下游分配了多少带宽 从头端到遥控器的传输以及从一个或多个遥控器到头端的上行传输。 定时控制数据帧的配置可以动态修改,以实现下游流量的更高带宽,并满足每个远程的变化带宽需求。

    Passive optical network backhaul for powerline communications
    4.
    发明授权
    Passive optical network backhaul for powerline communications 有权
    无线光网络回程用于电力线通信

    公开(公告)号:US06844809B2

    公开(公告)日:2005-01-18

    申请号:US10309567

    申请日:2002-12-04

    IPC分类号: H04B3/54 H04L12/28 H04M11/04

    摘要: System, apparatus and method for connecting a passive optical network (“PON”) to a power line communications (“PLC”) network using a PLC HeadEnd installed at the PON to provide for distribution of high speed, broadband data communications services available on the PON to the PLC network using high speed, broadband PLC data signals. Where the PLC HeadEnd is installed on a medium voltage power distribution network, a PLC bypass unit is installed at a medium voltage/low voltage power transformer in the PLC network to provide PLC signal connectivity between the MV and LV networks. A PLC residential gateway is installed at each end user facility, such as a home or business, desiring broadband service available on the PON.

    摘要翻译: 使用安装在PON处的PLC HeadEnd将无源光网络(“PON”)连接到电力线通信(“PLC”)网络的系统,装置和方法,以提供可用于高速宽带数据通信服务 PON向PLC网络使用高速,宽带PLC数据信号。 PLC HeadEnd安装在中压配电网上的PLC旁路单元安装在PLC网络中的中压/低压电力变压器上,以提供MV和LV网络之间的PLC信号连接。 在每个终端用户设施(如家庭或业务)上安装了PLC住宅网关,期望PON上提供宽带服务。

    System and method for synchronized content rendering in a multi-node network
    7.
    发明授权
    System and method for synchronized content rendering in a multi-node network 有权
    在多节点网络中同步内容呈现的系统和方法

    公开(公告)号:US08539105B2

    公开(公告)日:2013-09-17

    申请号:US12928218

    申请日:2010-12-06

    IPC分类号: G06F15/16

    摘要: The trend toward moving to digital content is progressing and expanding every day. With that trend comes the availability of a multitude of content from many content sources. There is a need for this content to be distributed to multiple destinations, and there is a further need to have the content synchronized among those multiple destinations. Embodiments described herein detail a method of synchronizing this content in an asynchronous environment, such as a powerline network, including using a PHY timing flag that is used to compensate for PHY-to-channel-to-PHY delays.

    摘要翻译: 趋向数字内容的趋势正在逐渐扩大。 随着这种趋势,来自许多内容来源的大量内容的可用性。 需要将该内容分发到多个目的地,并且还需要在这些多个目的地之间同步内容。 本文描述的实施例详细描述了在诸如电力线网络的异步环境中同步该内容的方法,包括使用用于补偿PHY到信道到PHY延迟的PHY定时标志。

    System and Method for an Intelligent Power Controller
    8.
    发明申请
    System and Method for an Intelligent Power Controller 有权
    智能功率控制器的系统和方法

    公开(公告)号:US20120280565A1

    公开(公告)日:2012-11-08

    申请号:US13461173

    申请日:2012-05-01

    申请人: Oleg Logvinov

    发明人: Oleg Logvinov

    IPC分类号: H02J3/00 H05B37/02

    摘要: In accordance with an embodiment, a method of operating a node coupled to a power network and a communications link includes receiving a status from a further node coupled to the power network via the communications link, and adjusting a power consumption of a device coupled to the node and powered by the power network based on the status message and based on a first rule set.

    摘要翻译: 根据实施例,操作耦合到电力网络和通信链路的节点的方法包括经由通信链路从耦合到电力网络的另一节点接收状态,以及调整耦合到电力网络的设备的功率消耗 节点,并且基于状态消息并基于第一规则集由电力网络供电。