公开(公告)号：US20130183039A1

公开(公告)日：2013-07-18

申请号：US13352956

申请日：2012-01-18

申请人： David Hood ,  Stefan Dahlfort

发明人： David Hood ,  Stefan Dahlfort

IPC分类号： H04J14/02

CPC分类号： H04J14/0282 ,  H04J14/0234 ,  H04J14/0246 ,  H04J14/025

摘要： An optical network unit (ONU) accesses services provided by multiple optical line terminals (OLTs) in a wavelength division multiplexing (WDM) passive optical network (PON). The ONU receives downstream signals from a first plurality of OLTs through a designated port of an arrayed waveguide (AWG). At any given time, the bandpass filter module can select any one of a first plurality of AWG cycles allocated to the first plurality of OLTs. Based on received downstream signals, the ONU transmits upstream signals to a second plurality of OLTs through the designated port of the AWG. At any given time, the bandpass filter module and a transmitter of the ONU can select any one of a second plurality of AWG cycles allocated to the second plurality of OLTs. The ONU may be configured with a plurality of receivers and transmitters, whereby it is enabled to simultaneously subscribe to a plurality of AWG cycles.

摘要翻译： 光网络单元（ONU）访问由波分多路复用（WDM）无源光网络（PON）中的多个光线路终端（OLT）提供的服务。 ONU通过阵列波导（AWG）的指定端口从第一多个OLT接收下行信号。 在任何给定时间，带通滤波器模块可以选择分配给第一多个OLT的第一多个AWG周期中的任一个。 基于接收到的下行信号，ONU通过AWG的指定端口将上行信号发送到第二多个OLT。 在任何给定时间，带通滤波器模块和ONU的发射机可以选择分配给第二多个OLT的第二多个AWG周期中的任何一个。 ONU可以配置有多个接收机和发射机，由此能够同时订阅多个AWG周期。

公开(公告)号：US09002197B2

公开(公告)日：2015-04-07

申请号：US13677263

申请日：2012-11-14

申请人： Stefan Dahlfort ,  Peter Öhlén ,  Kim Laraqui ,  David Hood

发明人： Stefan Dahlfort ,  Peter Öhlén ,  Kim Laraqui ,  David Hood

IPC分类号： H04B10/079 ,  H04L12/26 ,  H04L12/24 ,  H04B10/077

CPC分类号： H04L12/2639 ,  H04B10/0771 ,  H04L41/0677 ,  H04L41/0686 ,  H04L43/0811 ,  H04L43/0864 ,  H04L43/106

摘要： Methods and apparatus for a network element or server end station to determine an estimated physical location of a fault in a communications link utilized by two network elements. In an embodiment, the first and second network elements generate link failure indications including time values representing when the respective network element detected the fault. In other embodiments, the link failure indications include time values transmitted over the communications link between the first and second network elements. A time distance between these time values is calculated, which is used to calculate the estimated physical location of the fault. In some embodiments, the link failure indications include sequence numbers transmitted or about to be transmitted over the communications link between the network elements. Sequence distances are calculated between the sequence numbers, and are used to calculate the estimated physical location of the fault.

摘要翻译： 网络元件或服务器终端站的方法和装置，用于确定由两个网络元件使用的通信链路中的故障的估计物理位置。 在一个实施例中，第一和第二网络元件产生链路故障指示，包括表示相应网络元件何时检测到故障的时间值。 在其他实施例中，链路故障指示包括通过第一和第二网络元件之间的通信链路发送的时间值。 计算这些时间值之间的时间距离，用于计算故障的估计物理位置。 在一些实施例中，链路故障指示包括通过网络元件之间的通信链路发送或将要发送的序列号。 在序列号之间计算序列距离，并用于计算故障的估计物理位置。

公开(公告)号：US20140199062A1

公开(公告)日：2014-07-17

申请号：US14117406

申请日：2011-05-17

申请人： Einar In De Betou ,  Stefan Dahlfort ,  David Hood ,  Peter Öhlén

发明人： Einar In De Betou ,  Stefan Dahlfort ,  David Hood ,  Peter Öhlén

IPC分类号： H04B10/032

CPC分类号： H04B10/032 ,  H04B10/25753 ,  H04J14/0287 ,  H04W24/04 ,  H04W88/085

摘要： An Optical Network Unit, ONU, and an Optical Line Terminal, OLT, as well as a respective method therein, are provided for enabling the ONU to communicate with the OLT. The ONU and at least one OLT are comprised in a passive fibre optic access network. The passive fibre optic access network comprises two fibre paths through the network, a main fibre path and a back-up fibre path, connecting the ONU with the OLT. When a fault is detected in the main fibre path is detected, transmission rate negotiation is performed between the ONU and the OLT over the back-up path. When a transmission rate is agreed upon between the ONU and the OLT during said transmission rate negotiation with regard to communication over the back-up path, the communication between the ONU and the OLT is executed using the agreed transmission rate over the back-up path.

摘要翻译： 光网络单元，ONU和光线路终端，OLT以及其中的相应方法被提供用于使得ONU能够与OLT通信。 ONU和至少一个OLT包括在无源光纤接入网络中。 无源光纤接入网络包括通过网络的两条光纤路径，主光纤路径和备用光纤路径，将ONU与OLT连接起来。 当在主光纤路径中检测到故障时，通过备用路径在ONU与OLT之间进行传输速率协商。 当在通过备用路径的通信的所述传输速率协商期间在ONU与OLT之间达成传输速率时，ONU和OLT之间的通信是通过备用路径的约定的传输速率来执行的 。

公开(公告)号：US08855492B2

公开(公告)日：2014-10-07

申请号：US13352956

申请日：2012-01-18

申请人： David Hood ,  Stefan Dahlfort

发明人： David Hood ,  Stefan Dahlfort

IPC分类号： H04J14/00

CPC分类号： H04J14/0282 ,  H04J14/0234 ,  H04J14/0246 ,  H04J14/025

摘要： An optical network unit (ONU) accesses services provided by multiple optical line terminals (OLTs) in a wavelength division multiplexing (WDM) passive optical network (PON). The ONU receives downstream signals from a first plurality of OLTs through a designated port of an arrayed waveguide (AWG). At any given time, the bandpass filter module can select any one of a first plurality of AWG cycles allocated to the first plurality of OLTs. Based on received downstream signals, the ONU transmits upstream signals to a second plurality of OLTs through the designated port of the AWG. At any given time, the bandpass filter module and a transmitter of the ONU can select any one of a second plurality of AWG cycles allocated to the second plurality of OLTs. The ONU may be configured with a plurality of receivers and transmitters, whereby it is enabled to simultaneously subscribe to a plurality of AWG cycles.

摘要翻译： 光网络单元（ONU）访问由波分多路复用（WDM）无源光网络（PON）中的多个光线路终端（OLT）提供的服务。 ONU通过阵列波导（AWG）的指定端口从第一多个OLT接收下行信号。 在任何给定时间，带通滤波器模块可以选择分配给第一多个OLT的第一多个AWG周期中的任一个。 基于接收到的下行信号，ONU通过AWG的指定端口将上行信号发送到第二多个OLT。 在任何给定时间，带通滤波器模块和ONU的发射机可以选择分配给第二多个OLT的第二多个AWG周期中的任何一个。 ONU可以配置有多个接收机和发射机，由此能够同时订阅多个AWG周期。

公开(公告)号：US20140193161A1

公开(公告)日：2014-07-10

申请号：US14117473

申请日：2011-05-17

申请人： Einar In De Betou ,  Stefan Dahlfort ,  David Hood ,  Peter Öhlén

发明人： Einar In De Betou ,  Stefan Dahlfort ,  David Hood ,  Peter Öhlén

IPC分类号： H04L7/02 ,  H04B10/27

CPC分类号： H04L7/02 ,  H04B10/27 ,  H04J14/0256 ,  H04L5/1446 ,  H04Q11/00 ,  H04Q11/0062 ,  H04Q11/0067 ,  H04Q2011/0064 ,  H04Q2011/0081 ,  H04Q2011/0086 ,  H04Q2213/1301 ,  H04Q2213/13332 ,  Y02D50/10

摘要： A first end terminal and a second end terminal, as well as a respective method therein, are provided for enabling communication between the first end terminal and the second end terminal in a fibre optic access network. When the first and the second end terminal wish to communicate with each other, they first initiate a synchronisation procedure with the other end terminal for synchronising the two terminals with each other and enabling them to start a negotiation procedure. Then they perform the negotiation procedure, which pertains to a transmission rate for communication on the fibre link between the two end terminals, and they execute communication to the other end terminal employing the negotiated transmission rate.

摘要翻译： 提供第一端子端子和第二端子端子以及其中的相应方法，用于实现光纤接入网络中的第一端子端子和第二端子端子之间的通信。 当第一和第二终端希望彼此通信时，它们首先与另一端终端发起同步过程，以使两个终端彼此同步，并使它们能够开始协商过程。 然后它们执行与两端终端之间的光纤链路上的通信的传输速率相关的协商过程，并且它们使用协商的传输速率执行到另一端终端的通信。

公开(公告)号：US20120315040A1

公开(公告)日：2012-12-13

申请号：US13157017

申请日：2011-06-09

申请人： Stefan Dahlfort ,  David Hood

发明人： Stefan Dahlfort ,  David Hood

IPC分类号： H04J14/00

CPC分类号： H04J14/0282 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/026 ,  H04J14/0267 ,  H04J14/0269

摘要： A method provides advertisements to optical network units (ONUs) by an optical line terminal (OLT), wherein the advertisements enable the ONUs to identify free channels from a plurality of wavelength-division multiplexing (WDM) channels in a passive optical network (PON). The method includes: transmitting from the OLT to the ONUs an advertisement identifying a free channel for each of a plurality of incompatible channel (ICH) groups, receiving a request from an ONU for the advertised free channel of an ICH group, authenticating the requesting ONU via the advertised free channel, allocating the advertised free channel to the requesting ONU upon successful authentication of the requesting ONU, and transmitting an updated advertisement from the OLT to the ONUs.

摘要翻译： 一种方法通过光线路终端（OLT）向光网络单元（ONU）提供广告，其中广告使得ONU能够从无源光网络（PON）中的多个波分复用（WDM）信道中识别自由信道， 。 该方法包括：从OLT向ONU发送识别多个不兼容信道（ICH）组中的每一个的空闲信道的广告，从ONU接收针对ICH组的通告空闲信道的请求，认证请求ONU 通过发布的自由频道，在请求的ONU成功认证后将所通告的空闲信道分配给请求的ONU，并将更新的广告从OLT发送到ONU。

公开(公告)号：US09031408B2

公开(公告)日：2015-05-12

申请号：US13157017

申请日：2011-06-09

申请人： Stefan Dahlfort ,  David Hood

发明人： Stefan Dahlfort ,  David Hood

IPC分类号： H04B10/20 ,  H04J14/02

CPC分类号： H04J14/0282 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/026 ,  H04J14/0267 ,  H04J14/0269

摘要： A method provides advertisements to optical network units (ONUs) by an optical line terminal (OLT), wherein the advertisements enable the ONUs to identify free channels from a plurality of wavelength-division multiplexing (WDM) channels in a passive optical network (PON). The method includes: transmitting from the OLT to the ONUs an advertisement identifying a free channel for each of a plurality of incompatible channel (ICH) groups, receiving a request from an ONU for the advertised free channel of an ICH group, authenticating the requesting ONU via the advertised free channel, allocating the advertised free channel to the requesting ONU upon successful authentication of the requesting ONU, and transmitting an updated advertisement from the OLT to the ONUs.

摘要翻译： 一种方法通过光线路终端（OLT）向光网络单元（ONU）提供广告，其中广告使得ONU能够从无源光网络（PON）中的多个波分复用（WDM）信道中识别自由信道， 。 该方法包括：从OLT向ONU发送识别多个不兼容信道（ICH）组中的每一个的空闲信道的广告，从ONU接收针对ICH组的通告空闲信道的请求，认证请求ONU 通过发布的自由频道，在请求的ONU成功认证后将所通告的空闲信道分配给请求的ONU，并将更新的广告从OLT发送到ONU。

公开(公告)号：US08522118B2

公开(公告)日：2013-08-27

申请号：US13076377

申请日：2011-03-30

申请人： David Hood

发明人： David Hood

IPC分类号： H03M13/00

CPC分类号： H04L1/0045 ,  H04L9/0891 ,  H04Q11/0067 ,  H04Q2011/0081

摘要： When data containing an unrecoverable error is received, instead of discarding the data, a lower protocol layer delivers the data to a higher protocol layer along with an indication that the data contains an error. The higher protocol layer parses the data to recover portions that are not affected by the error. Additionally, the higher protocol layer can choose to accept the data if certain acceptance criteria are met.

摘要翻译： 当接收到包含不可恢复的错误的数据时，较低的协议层将数据传送到更高的协议层，而不是丢弃数据，同时指示数据包含错误。 较高的协议层解析数据以恢复不受错误影响的部分。 此外，如果满足某些验收标准，则较高的协议层可以选择接受数据。

公开(公告)号：US20070042141A1

公开(公告)日：2007-02-22

申请号：US11207159

申请日：2005-08-18

申请人： Edward Johnson ,  David Hood

发明人： Edward Johnson ,  David Hood

IPC分类号： B41M5/00

CPC分类号： B41M5/52 ,  B41M5/5218 ,  B41M5/5227 ,  B41M5/5245 ,  B41M5/5254

摘要： Coating compositions for forming inkjet-receptive coatings on a substrate which are glossy, dry rapidly, provide good color density, exhibit low density loss, and are water-resistant, include (a) a crosslinkable cationic terpolymer, (b) an adhesion promoter, (c) a crosslinker, (d) a binder, and (e) water.

摘要翻译： 用于在基材上形成喷墨受体涂层的涂料组合物，其光滑，干燥快速，提供良好的色密度，显示低密度损失，并且是耐水性的，包括（a）可交联阳离子三元共聚物，（b）粘合促进剂， （c）交联剂，（d）粘合剂和（e）水。

公开(公告)号：US09146948B2

公开(公告)日：2015-09-29

申请号：US11609531

申请日：2006-12-12

申请人： Robin Grosset ,  David Hood

发明人： Robin Grosset ,  David Hood

IPC分类号： G07F17/30 ,  G06F17/30

CPC分类号： G06F17/30327 ,  G06F17/30333

摘要： A system provides multidimensional tuple Hilbert ordering within a linear storage structure to enable more consistent and efficient access to stored multidimensional tuples. The database system comprises a tuple storage module that receives multidimensional data elements, where each multidimensional data element is defined by a plurality of different object types, and where each object is associated with a different dimension within a multidimensional data space. The tuple storage module further forms a respective tuple for each of the multidimensional data elements by mapping each object to an associated reference and applies a Hilbert function to the references of each of the tuples to determine a respective Hilbert ordering for each of the tuples. The system further comprises a linear data storage structure that includes a B-tree for storing the Hilbert ordering.

摘要翻译： 系统在线性存储结构中提供多维元组希尔伯特（Hilbert）元组排序，以便更加一致和有效地访问存储的多维元组。 数据库系统包括接收多维数据元素的元组存储模块，其中每个多维数据元素由多个不同对象类型定义，并且其中每个对象与多维数据空间内的不同维度相关联。 元组存储模块还通过将每个对象映射到相关联的引用来为每个多维数据元素形成相应的元组，并将希尔伯特函数应用于每个元组的引用，以确定每个元组的相应希尔伯特顺序。 该系统还包括线性数据存储结构，其包括用于存储希尔伯特（Hilbert）顺序的B树。