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    • 1. 发明授权
    • Dynamic bandwidth allocation for a communication network
    • 通信网络的动态带宽分配
    • US06324184B1
    • 2001-11-27
    • US09148760
    • 1998-09-04
    • Victor T. HouJonathon A. Fellows
    • Victor T. HouJonathon A. Fellows
    • H04J316
    • H04L47/822H04L12/2801H04L12/5602H04L47/70H04L47/762H04L2012/561H04L2012/5632H04Q11/0067H04Q11/0478H04Q2011/0064
    • Bandwidth is adaptively allocated in an upstream channel of a layered data communication network such as that used for carrying messages from a number of subscriber units (250, 252, . . . , 254) to a central controller (210), for example, to allow the subscriber units to send data for Internet access, videoconferencing, or voice communication. A running total of unallocated bandwidth (BWA(j)) is maintained in successive control intervals. A traffic count (C(i)) is determined for each subscriber unit by measuring the bandwidth which is used, for example, by counting the number of slots used in a control interval. The assigned bandwidth (B(i)) of the subscriber units is then adjusted when a ratio (K) of the traffic count to the assigned bandwidth is at or below a lower threshold (T1), and the running total of unallocated bandwidth is incremented by the decrease in the assigned bandwidth. The assigned bandwidth may be increased when a ratio (K) of the traffic count to the assigned bandwidth is at or above an upper threshold (T2) by distributing the unallocated bandwidth among the subscriber units. A subscriber unit hierarchy may be used to grant priority to selected users.
    • 带宽被自适应地分配在分层数据通信网络的上行信道中,例如用于将来自多个用户单元(250,252 ...,254)的消息传送到中央控制器(210)的上行信道,例如, 允许用户单元发送用于因特网接入,视频会议或语音通信的数据。 在连续的控制间隔中保持运行总共的未分配带宽(BWA(j))。 通过测量例如通过对在控制间隔中使用的时隙数进行计数而使用的带宽来确定每个用户单元的业务量(C(i))。 然后,当业务量与分配带宽的比(K)等于或低于较低阈值(T1)时,用户单元的分配带宽(B(i))被调整,未分配带宽的运行总和增加 通过分配带宽的减少。 当通过在订户单元之间分配未分配的带宽,当业务量与分配的带宽的比率(K)处于或高于上限阈值(T2)时,可以增加分配的带宽。 订户单元层级可以用于向所选择的用户授予优先权。
    • 3. 发明授权
    • Signal detection for optical transmitters in networks with optical combining
    • 光耦合网络中光发射机的信号检测
    • US09350451B2
    • 2016-05-24
    • US12765821
    • 2010-04-22
    • Thomas J. KolzeVictor T. HouBruce J. Currivan
    • Thomas J. KolzeVictor T. HouBruce J. Currivan
    • H04B10/2575H04B10/50H04B10/54H04B10/564
    • H04B10/25751H04B10/50H04B10/54H04B10/541H04B10/564
    • Signal detection for optical transmitters in networks with optical combining. Presented herein is a multi-faceted means for performing electrical to optical conversion such as in an optical transmitter as implemented within a communication system including at least some optical communication links therein. The turning on and turning off of a light source (e.g., a laser diode (LD), a light emitting diode (LED), and/or other component that performs electrical to optical conversion) is performed in accordance with a number of operational parameters. Some communication systems include multiple optical links (e.g., multiple fiber-optic links) from multiple transmitters that connect to a common receiver. In addition, some optical transmitters include multiple electrical links (e.g., multiple electrical communication links) from multiple communication devices that connect thereto.
    • 光耦合网络中光发射机的信号检测。 这里提出的是用于执行电转换到光转换的多方面装置,例如在包括其中的至少一些光通信链路的通信系统内实现的光发射机中。 根据多个操作参数执行光源(例如,激光二极管(LD),发光二极管(LED)和/或执行电光转换的其它部件)的导通和关闭 。 一些通信系统包括来自连接到公共接收机的多个发射机的多个光链路(例如,多个光纤链路)。 此外,一些光发射机包括来自与其连接的多个通信设备的多个电气链路(例如,多个电气通信链路)。
    • 4. 发明授权
    • Upstream burst noise measurement and characterization
    • 上游突发噪声测量和表征
    • US09252917B2
    • 2016-02-02
    • US13428357
    • 2012-03-23
    • Bruce J. CurrivanThomas J. KolzeJonathan S. MinVictor T. Hou
    • Bruce J. CurrivanThomas J. KolzeJonathan S. MinVictor T. Hou
    • H04L1/20H04L1/00
    • H04L1/004H04L1/20H04L2001/0096
    • Upstream burst noise measurement and characterization. One or more communication devices is implemented to detect and measure burst noise event(s) within channel(s) associated with communication link(s) within communication system(s) or network(s). Detection and measurement of a burst noise event may be made during active communications on one or more other channels, and may be made during active communications on two channels respectively adjacent to the channel on which the burst noise event is being detected and measured. The channel on which the burst noise event is detected and measured may be an unused channel. The detection and measurement of the burst noise event may be made during a quiet time slot within one of the channels. Correlation (e.g., with respect time) may be determined with respect to different respective layers within a communication device (e.g., with respect to MAC and PHY layers).
    • 上游突发噪声测量和表征。 实现一个或多个通信设备以检测和测量与通信系统或网络内的通信链路相关联的信道内的突发噪声事件。 突发噪声事件的检测和测量可以在一个或多个其它信道上的有效通信期间进行,并且可以在与在其上检测和测量突发噪声事件的信道相邻的两个信道上的有效通信期间进行。 检测和测量突发噪声事件的信道可以是未使用的信道。 突发噪声事件的检测和测量可以在一个信道内的安静时隙内进行。 相关性(例如,相对于时间)可以针对通信设备内的不同相应层(例如,相对于MAC层和PHY层)来确定。
    • 8. 发明申请
    • Upstream frequency response measurement and characterization
    • 上行频率响应测量和表征
    • US20120243597A1
    • 2012-09-27
    • US13428309
    • 2012-03-23
    • Bruce J. CurrivanThomas J. KolzeJonathan S. MinVictor T. Hou
    • Bruce J. CurrivanThomas J. KolzeJonathan S. MinVictor T. Hou
    • H04L27/00H03K5/159
    • H04L25/022H04L25/03H04L25/03006
    • Upstream frequency response measurement and characterization. Signaling is provided between respective communication devices within a communication system. Based upon at least one of these signals, one of the communication devices captures a number of sample sets corresponding thereto at different respective frequencies (e.g., a different respective center frequencies, frequency bands, etc.). Then, spectral analysis is performed with respect to each of the sample sets to generate a respective and corresponding channel response estimate there from. After this number of channel response estimates is determined, they are combined or splice together to generate a full channel response estimate. In implementations including an equalizer, different respective sample sets may correspond to those that have undergone equalization processing and those that have not.
    • 上行频率响应测量和表征。 在通信系统内的各个通信设备之间提供信令。 基于这些信号中的至少一个,通信设备之一以不同的相应频率(例如,不同的相应中心频率,频带等)捕获与其对应的多个采样集。 然后,相对于每个样本集执行频谱分析,以从其中产生相应和相应的信道响应估计。 在确定了这个数量的信道响应估计之后,将它们组合或拼接在一起以产生全信道响应估计。 在包括均衡器的实现中,不同的相应样本集可以对应于已经经历均衡处理的那些样本集合,以及未经均衡处理的那些。