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    • 62. 发明授权
    • Fiber/wired communication system
    • 光纤/有线通信系统
    • US07734179B1
    • 2010-06-08
    • US10639456
    • 2003-08-13
    • Thomas Edward DarcieBhavesh N. DesaiAlan H. GnauckXiaolin LuSheryl Leigh Woodward
    • Thomas Edward DarcieBhavesh N. DesaiAlan H. GnauckXiaolin LuSheryl Leigh Woodward
    • H04J14/00
    • H04N7/17309H04B10/25751H04N7/22
    • A communication system between head-ends and end-users is provided which expands bandwidth and reliability. A concentrator receives communication signals from a head-end and forwards the received communication signals to one or more fiber nodes and/or one or more mini-fiber nodes. The concentrator demultiplexes/splits received signals for the mini-fiber nodes and the fiber nodes and forwards demultiplexed/split signals respectively. The mini-fiber nodes may combine signals received from the head-end with loop-back signals used for local medium access control prior to forwarding the signals to the end-users. Upstream data are received by the mini-fiber nodes and/or fiber node and transmitted to the concentrator. The concentrator multiplexes/couples the mini-fiber node and the fiber node upstream signals and forwards multiplexed/coupled signals to the head-end. Communication signals received from the mini-fiber nodes that are destined to other end-users also connected to the mini-fiber nodes may be routed by the concentrator without head-end interaction.
    • 提供头端和终端用户之间的通信系统,可扩展带宽和可靠性。 集中器从头端接收通信信号,并将接收到的通信信号转发到一个或多个光纤节点和/或一个或多个微型光纤节点。 集中器对微型光纤节点和光纤节点进行解复用/分离接收信号,并分别转发分离/分离信号。 在将信号转发给最终用户之前,微型光纤节点可以组合从头端接收的信号和用于本地介质访问控制的环回信号。 上行数据由微型光纤节点和/或光纤节点接收并发送到集中器。 集中器将微纤维节点和光纤节点上行信号复用/耦合,并将多路复用/耦合信号转发到前端。 从迷你光纤节点接收的目的地为也连接到微型光纤节点的其他最终用户的通信信号可以由集线器路由,而无需头端交互。
    • 63. 发明申请
    • POWER-OPTIMIZING MEMORY ANALYZER, METHOD OF OPERATING THE ANALYZER AND SYSTEM EMPLOYING THE SAME
    • 功率优化记忆分析仪,操作分析仪的方法和使用分析仪的系统
    • US20080098243A1
    • 2008-04-24
    • US11853674
    • 2007-09-11
    • Saowanee SaewongXiaolin Lu
    • Saowanee SaewongXiaolin Lu
    • G06F1/26G06F1/00
    • G06F1/3203G06F1/3275Y02D10/13Y02D10/14Y02D50/20
    • Embodiments of the present disclosure provide a power-optimizing memory analyzer, a method of operating a power-optimizing memory analyzer and a memory system employing the analyzer or the method. In one embodiment, the power-optimizing memory analyzer is for use with an array of memory blocks and includes a task database configured to provide a parameter set corresponding to each of a set of tasks to be performed in a system. The power-optimizing memory analyzer also includes an allocation module configured to determine offline, a group of memory blocks in the array corresponding to the parameter set for each task and based on providing a power reduction for the array. The power-optimizing memory analyzer further includes a power profiling module configured to generate run-time power profiles of memory power states for each task allowing transparent and dynamic control of the memory power states while maintaining a required quality of service.
    • 本公开的实施例提供了功率优化存储器分析器,操作功率优化存储器分析仪的方法和采用分析器或方法的存储器系统。 在一个实施例中,功率优化存储器分析器用于存储器块阵列,并且包括被配置为提供与在系统中执行的一组任务相对应的参数集的任务数据库。 功率优化存储器分析器还包括被配置为确定离线的分配模块,阵列中对应于每个任务的参数集的一组存储器块,并且基于为阵列提供功率降低。 功率优化存储器分析器还包括功率分析模块,其被配置为为每个任务产生存储器功率状态的运行时功率分布,允许对存储器功率状态的透明和动态控制,同时保持所需的服务质量。
    • 64. 发明授权
    • Transmit and receive window synchronization
    • 发送和接收窗口同步
    • US07161978B2
    • 2007-01-09
    • US10038784
    • 2001-12-31
    • Xiaolin LuPing TaoMichael O. Polley
    • Xiaolin LuPing TaoMichael O. Polley
    • H04B1/38
    • H04L49/90
    • A system for synchronizing sender sliding windows and receiver sliding windows employed in wireless packet communication is provided. The sender sliding window buffers outgoing packets to be sent to a receiver that employs a receiver sliding window to buffer incoming packets. A sender window manager manages the sender sliding window through positive acknowledgement, negative acknowledgement and/or timeout processing to facilitate synchronizing the sender sliding window with the receiver sliding window without employing synchronization messages or master/slave control. Similarly, a receiver window manager manages the receiver sliding window through sequence number analysis to facilitate synchronizing the receiver sliding window with the sender sliding window without employing synchronization messages or master/slave control.
    • 提供了一种用于同步无线分组通信中使用的发送器滑动窗口和接收器滑动窗口的系统。 发送者滑动窗口缓冲要发送到使用接收器滑动窗口缓冲传入数据包的接收器的输出数据包。 发送者窗口管理器通过肯定确认,否定确认和/或超时处理来管理发送者滑动窗口,以便于不使用同步消息或主/从控制同步发送者滑动窗口与接收器滑动窗口。 类似地,接收机窗口管理器通过序列号分析来管理接收器滑动窗口,以便于使接收器滑动窗口与发送者滑动窗口同步而不使用同步消息或主/从控制。
    • 65. 发明授权
    • Wireless access modem having downstream channel resynchronization method
    • 具有下行信道重新同步方式的无线接入调制解调器
    • US07120854B2
    • 2006-10-10
    • US10643119
    • 2003-08-18
    • Xiaolin LuSrinath HosurManish GoelMichael O. Polley
    • Xiaolin LuSrinath HosurManish GoelMichael O. Polley
    • H03M13/00H04L5/16
    • H04W56/009H04L7/048H04L7/10H04W24/00H04W74/00
    • A resynchronization method for use in a data communication system having a first device configured to transmit data at a symbol rate to a second device. The second device includes a Reed Solomon (RS) decoder having a RS lock indicator and a Moving Picture Experts Group (MPEG) Protocol Interface (MPI) having a MPI lock indicator, wherein the RS and the MPI lock indicators are monitored. Four different states, defined by the values of the RS and MPI lock indicators, determine whether the data communication system will wait for the RS decoder and the MPI hardware block to resynchronize, whether an intermediate-subset of the channel acquisition algorithm is performed or whether the entire channel acquisition algorithm is performed. The method for resynchronization described herein recovers synchronization within a predetermined time without the layers above the physical link layer having knowledge.
    • 一种用于具有第一设备的数据通信系统中的再同步方法,该第一设备被配置为以符号速率向第二设备发送数据。 第二装置包括具有RS锁定指示器的里德所罗门(RS)解码器和具有MPI锁定指示器的运动图像专家组(MPEG)协议接口(MPI),其中监测RS和MPI锁定指示符。 由RS和MPI锁指示符的值定义的四种不同状态确定数据通信系统是否将等待RS解码器和MPI硬件块重新同步,无论是执行信道获取算法的中间子集还是执行 执行整个信道获取算法。 本文所述的用于重新同步的方法在预定时间内恢复同步,而不具有物理链路层之上的层具有知识。
    • 69. 发明授权
    • Apparatus and method to monitor communication system status
    • 监控通信系统状态的装置和方法
    • US6137780A
    • 2000-10-24
    • US908498
    • 1997-08-07
    • Thomas Edward DarcieAlan H. GnauckXiaolin Lu
    • Thomas Edward DarcieAlan H. GnauckXiaolin Lu
    • H04L12/26G06F11/00H04B7/212H04B7/216
    • H04L12/2602H04L43/00H04L43/0817
    • A monitoring apparatus and method are provided for a communication system in which a central office communicates to at least one end unit using intermediate remote nodes. The remote node receives signals from both the central office and the end units. Each remote node can be equipped with apparatus for monitoring the integrity of paths of the communication system. The monitoring apparatus can include a mixing device that mixes received signals to produce combined signals. The received signals generally include a pilot signal sent from the central office and a data signal sent from the at least one end unit. The state of the communication system is analyzed based on the combined signals. If the combined signals includes only the data signal from the end unit, the path through which the pilot signal was sent is inoperative. If the combined signals includes only the pilot signal, the transmission path from the end unit over which the data signal is sent is inoperative. If the combined signals are not received at the central office after transmission of the pilot signal, a determination is made that any part of transmission path could be inoperative.
    • 提供了一种用于通信系统的监视装置和方法,其中中心局使用中间远程节点与至少一个终端单元进行通信。 远程节点接收来自中心局和终端单元的信号。 每个远程节点可以配备有用于监视通信系统的路径的完整性的装置。 监视装置可以包括混合装置,其混合接收到的信号以产生组合信号。 所接收的信号通常包括从中心局发送的导频信号和从至少一个终端单元发送的数据信号。 基于组合信号分析通信系统的状态。 如果组合信号仅包括来自端单元的数据信号,则导频信号被发送的路径不起作用。 如果组合信号仅包括导频信号,则从发送数据信号的终端单元的传输路径不起作用。 如果在发送导频信号之后在中心局没有接收到组合信号,则确定传输路径的任何部分可能不起作用。