公开(公告)号：US09363016B2

公开(公告)日：2016-06-07

申请号：US13691761

申请日：2012-12-01

Applicant: Futurewei Technologies, Inc.

Inventor： Jim Chen ,  Fanglin Sun ,  Li Zhang

IPC: H04J14/00 ,  H04B10/27 ,  H04Q11/00 ,  H04B10/2575

CPC classification number: H04B10/27 ,  H04B10/2575 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0088

Abstract: A coaxial line terminal (CLT) comprising an optical port configured to couple to an optical line terminal (OLT) via an optical distribution network (ODN), an electrical port configured to couple to a coaxial network unit (CNU) via an electrical distribution network, and a processor coupled to the optical port and the electrical port, wherein the processor is configured to receive from the OLT a plurality of first frames addressed to the CNU, receive from the OLT a plurality of second frames not addressed to the CNU, forward the first frames to the CNU, and prohibit the second frames from being forwarded to the CNU.

Abstract translation: 一种同轴线路终端（CLT），包括被配置为经由光分配网络（ODN）耦合到光线路终端（OLT）的光端口，被配置为经由配电网络耦合到同轴网络单元（CNU）的电端口 以及耦合到所述光端口和所述电端口的处理器，其中所述处理器被配置为从所述OLT接收多个寻址到所述CNU的第一帧，从所述OLT接收多个未寻址到所述CNU的第二帧，向前 CNU的第一帧，并禁止第二帧转发到CNU。

公开(公告)号：US09210488B2

公开(公告)日：2015-12-08

申请号：US14051197

申请日：2013-10-10

Applicant: Futurewei Technologies, Inc.

Inventor： Fanglin Sun ,  Quan Bo Zhao ,  Li Zhang ,  Guang Sheng Wu ,  Jim Chen

IPC: H04B10/00 ,  H04J14/00 ,  H04J4/00 ,  H04Q11/00 ,  H04L12/761 ,  H04L12/911

CPC classification number: H04Q11/0071 ,  H04J3/0664 ,  H04J3/0682 ,  H04J3/0697 ,  H04L45/16 ,  H04L47/826 ,  H04Q11/0067 ,  H04Q2011/0064 ,  H04Q2011/0079

Abstract: A method performed by a FCU comprising receiving a MPCP request message from a CNU via an electrical network, wherein the MPCP request message comprises a first timestamp, adjusting the first timestamp in the MPCP request message by an electrical network delay, and forwarding the MPCP request message with the adjusted timestamp to an OLT via an optical network. Also disclosed is a method performed by an OLT comprising receiving a MPCP message from a CNU via a FCU and an optical network, obtaining an arrival time of the MPCP message, adjusting a timestamp in the MPCP message by subtracting an electrical network delay from the timestamp, and computing a RTT delay based on the timestamp and the arrival time.

Abstract translation: 一种由FCU执行的方法，包括经由电网从CNU接收MPCP请求消息，其中MPCP请求消息包括第一时间戳，通过电网延迟调整MPCP请求消息中的第一时间戳，并转发MPCP请求 具有调整时间戳的消息通过光网络发送到OLT。 还公开了一种由OLT执行的方法，包括经由FCU和光网络从CNU接收MPCP消息，获得MPCP消息的到达时间，通过从时间戳减去电网延迟来调整MPCP消息中的时间戳 并且基于时间戳和到达时间来计算RTT延迟。

公开(公告)号：US09461738B2

公开(公告)日：2016-10-04

申请号：US14267965

申请日：2014-05-02

Applicant: Futurewei Technologies, Inc.

Inventor： Syed Rahman ,  Dao Pan ,  Fanglin Sun

IPC: H04B10/079 ,  H04B10/2575 ,  H04L5/00 ,  H04L27/26 ,  H04Q11/00

CPC classification number: H04B10/07955 ,  H04B10/25753 ,  H04B10/27 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2647 ,  H04L27/2656 ,  H04L27/2675 ,  H04Q11/0067

Abstract: An apparatus comprising a receiver configured to couple to an Ethernet Passive Optical network over Coaxial (EPoC) network, and receive an upstream Orthogonal Frequency Division Multiplexing (OFDM) signal comprising a plurality of OFDM Resource Elements (REs), and a processor coupled to the receiver and configured to determine a presence of a burst marker sequence in the received signal, wherein the burst marker sequence comprises interlaced pilot symbols and null symbols, and wherein determining the presence of the burst marker sequence comprises computing a power ratio between a first set of the OFDM REs and a second set of the OFDM REs, and determining that the burst marker sequence is found when the computed power ratio exceeds a pre-determined threshold.

Abstract translation: 一种装置，包括被配置为通过同轴（EPoC）网络耦合到以太网无源光网络并且接收包括多个OFDM资源元素（RE）的上行正交频分复用（OFDM）信号的接收机，以及耦合到 接收器并且被配置为确定接收信号中突发标记序列的存在，其中突发标记序列包括隔行导频符号和空符号，并且其中确定突发标记序列的存在包括计算第一组 OFDM RE和第二组OFDM RE，并且当所计算的功率比超过预定阈值时，确定突发标记序列被找到。

公开(公告)号：US09444594B2

公开(公告)日：2016-09-13

申请号：US14258428

申请日：2014-04-22

Applicant: Futurewei Technologies, Inc.

Inventor： Fanglin Sun ,  Dao Pan ,  Li Zhang ,  Jim Chen

IPC: H04L5/00 ,  H04B10/27 ,  H04J14/00 ,  H04Q11/00 ,  H04L27/26 ,  H04L12/28 ,  H04B3/00

CPC classification number: H04L5/0044 ,  H04B3/00 ,  H04B10/27 ,  H04J14/00 ,  H04J2203/0089 ,  H04L5/0064 ,  H04L12/2801 ,  H04L27/2697 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0064

Abstract: A Cable Modem Termination System (CMTS) comprising a receiver configured to receive a plurality of upstream transmission request messages from a plurality of coaxial units via an electro-optical network, wherein the upstream transmission request messages each request permission to transmit a specified amount of data, a processor coupled to the receiver and configured to allocate Orthogonal Frequency-Division Multiplexing (OFDM) minislots to each coaxial unit based on the amount of data requested in the associated upstream transmission request message, and a transmitter coupled to the processor and configured to transmit at least one Uplink Allocation Map (UL-MAP) message to indicate minislot allocations to the coaxial units.

Abstract translation: 一种有线调制解调器终端系统（CMTS），包括被配置为经由电光网络从多个同轴单元接收多个上行传输请求消息的接收机，其中所述上行传输请求消息每个请求允许传送指定量的数据 耦合到所述接收机并且被配置为基于所述相关联的上行传输请求消息中所请求的数据量，向每个同轴单元分配正交频分复用（OFDM）小时隙的处理器，以及耦合到所述处理器并被配置为传送 至少一个上行链路分配映射（UL-MAP）消息，以指示对同轴单元的小时隙分配。

公开(公告)号：US09319140B2

公开(公告)日：2016-04-19

申请号：US13691762

申请日：2012-12-01

Applicant: Futurewei Technologies, Inc.

Inventor： Jim Chen ,  Fanglin Sun ,  Li Zhang

IPC: H04J14/00 ,  H04B10/00 ,  H04B10/27 ,  H04Q11/00 ,  H04B10/2575

CPC classification number: H04B10/27 ,  H04B10/2575 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0088

Abstract: A method comprising receiving a coaxial network unit (CNU) registration request from a CNU via a coaxial portion of a network, wherein the registration request is addressed to an optical line terminal (OLT), and forwarding the CNU registration request to the OLT via an optical portion of the network. Included is an OLT comprising a processor configured to receive a registration request including a logical node identifier (LNID) assigned to a coaxial line terminal (CLT) in a payload of the registration request, wherein the CLT intermediates between the OLT via an optical portion of a unified optical-coaxial network and a CNU via an electrical network portion of the unified optical-coaxial network, assign a logical link identifier (LLID) to the CNU, and send the LLID to the CNU via the CLT.

Abstract translation: 一种方法，包括经由网络的同轴部分从CNU接收同轴网络单元（CNU）注册请求，其中所述注册请求被寻址到光线路终端（OLT），并且经由以下操作将所述CNU注册请求转发到所述OLT 网络的光学部分。 包括的OLT包括处理器，其被配置为接收注册请求，所述注册请求包括在注册请求的有效载荷中分配给同轴线路终端（CLT）的逻辑节点标识符（LNID），其中，所述OLT经由所述注册请求的光学部分 通过统一光同轴网络的电网部分的统一光同轴网络和CNU，向CNU分配逻辑链路标识符（LLID），并经由CLT向CNU发送LLID。

公开(公告)号：US20130142513A1

公开(公告)日：2013-06-06

申请号：US13691761

申请日：2012-12-01

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Jim Chen ,  Fanglin Sun ,  Li Zhang

IPC: H04B10/27

CPC classification number: H04B10/27 ,  H04B10/2575 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0088

Abstract: A coaxial line terminal (CLT) comprising an optical port configured to couple to an optical line terminal (OLT) via an optical distribution network (ODN), an electrical port configured to couple to a coaxial network unit (CNU) via an electrical distribution network, and a processor coupled to the optical port and the electrical port, wherein the processor is configured to receive from the OLT a plurality of first frames addressed to the CNU, receive from the OLT a plurality of second frames not addressed to the CNU, forward the first frames to the CNU, and prohibit the second frames from being forwarded to the CNU.

Abstract translation: 一种同轴线路终端（CLT），包括被配置为经由光分配网络（ODN）耦合到光线路终端（OLT）的光端口，被配置为经由配电网络耦合到同轴网络单元（CNU）的电端口 以及耦合到所述光端口和所述电端口的处理器，其中所述处理器被配置为从所述OLT接收多个寻址到所述CNU的第一帧，从所述OLT接收多个未寻址到所述CNU的第二帧，向前 CNU的第一帧，并禁止第二帧转发到CNU。

公开(公告)号：US09674159B2

公开(公告)日：2017-06-06

申请号：US14962683

申请日：2015-12-08

Applicant: Futurewei Technologies, Inc.

Inventor： Yanbin Sun ,  Guangsheng Wu ,  Li Zhang ,  Fanglin Sun ,  Jim Chen

IPC: H04L29/06 ,  H04L9/08 ,  H04L12/18 ,  H04Q11/00

CPC classification number: H04L9/0822 ,  H04L9/0819 ,  H04L9/0833 ,  H04L9/0891 ,  H04L12/18 ,  H04L63/0428 ,  H04L63/065 ,  H04L2463/062 ,  H04Q11/0067 ,  H04Q2011/0047 ,  H04Q2011/0079

Abstract: Disclosed herein are mechanisms to support the management of multicast keys for a multicast group comprising one or more optical line terminals (OLTs), one or more fiber to coax units (FCUs), and a plurality of coax network units (CNUs). The disclosed embodiments may support the management of multicast keys over optical and coaxial networks. In some embodiments, an FCU may facilitate communication of operations, administration and maintenance (OAM) messages containing multicast keys from one or more OLTs to one or more CNUs (typically a plurality of CNUs). Some embodiments may employ one multicast key over both the optical network and coaxial network. Other embodiments may employ an optical domain multicast key over the optical network and an electrical domain multicast key over the coaxial network. Embodiments may comprise adding a first CNU to a multicast group as well as adding subsequent CNUs to the multicast group.

公开(公告)号：US09344239B2

公开(公告)日：2016-05-17

申请号：US14258419

申请日：2014-04-22

Applicant: Futurewei Technologies, Inc.

Inventor： Fanglin Sun ,  Dao Pan ,  Li Zhang ,  Jim Chen

IPC: H04B10/00 ,  H04L5/00 ,  H04B10/27 ,  H04J14/00 ,  H04Q11/00 ,  H04L27/26 ,  H04L12/28 ,  H04B3/00

CPC classification number: H04L5/0044 ,  H04B3/00 ,  H04B10/27 ,  H04J14/00 ,  H04J2203/0089 ,  H04L5/0064 ,  H04L12/2801 ,  H04L27/2697 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0064

Abstract: A method implemented in a Fiber Coaxial Unit (FCU) comprising receiving a plurality of Ethernet Passive Optical Network (EPON) report messages from a plurality of Coaxial Network Units (CNUs) across a coaxial network, receiving an EPON gate message comprising Time Quanta (TQ) information indicating an upstream transmission time grant for the FCU across the optical network, translating the TQ based upstream transmission time grants to OFDM resource block grants in a time domain and in a frequency domain across the coaxial network for each CNU based on the configurable constants, and transmitting an EPON over Coaxial (EPoC) gate message to each CNU, wherein each EPoC gate message comprises a CNU profile indicating the Orthogonal Frequency-Division Multiplexing (OFDM) resource block grants for the an associated CNU and a start time.

Abstract translation: 一种在光纤同轴单元（FCU）中实现的方法，包括：跨越同轴网络从多个同轴网络单元（CNU）接收多个以太网无源光网络（EPON）报告消息，接收包括时间量子（TQ）的EPON门信息 ）信息，其指示FCU跨越光网络的上行传输时间许可，基于可配置常数，将基于TQ的上行传输时间授权在时域和频域跨频道转换到OFDM资源块授权 并且将EPON通过同轴（EPoC）门信息发送到每个CNU，其中每个EPoC门消息包括指示相关CNU的正交频分复用（OFDM）资源块授权和开始时间的CNU简档。

公开(公告)号：US20160105404A1

公开(公告)日：2016-04-14

申请号：US14962683

申请日：2015-12-08

Applicant: Futurewei Technologies, Inc.

Inventor： Yanbin Sun ,  Guangsheng Wu ,  Li Zhang ,  Fanglin Sun ,  Jim Chen

IPC: H04L29/06 ,  H04Q11/00 ,  H04L12/18

CPC classification number: H04L9/0822 ,  H04L9/0819 ,  H04L9/0833 ,  H04L9/0891 ,  H04L12/18 ,  H04L63/0428 ,  H04L63/065 ,  H04L2463/062 ,  H04Q11/0067 ,  H04Q2011/0047 ,  H04Q2011/0079

Abstract: Disclosed herein are mechanisms to support the management of multicast keys for a multicast group comprising one or more optical line terminals (OLTs), one or more fiber to coax units (FCUs), and a plurality of coax network units (CNUs). The disclosed embodiments may support the management of multicast keys over optical and coaxial networks. In some embodiments, an FCU may facilitate communication of operations, administration and maintenance (OAM) messages containing multicast keys from one or more OLTs to one or more CNUs (typically a plurality of CNUs). Some embodiments may employ one multicast key over both the optical network and coaxial network. Other embodiments may employ an optical domain multicast key over the optical network and an electrical domain multicast key over the coaxial network. Embodiments may comprise adding a first CNU to a multicast group as well as adding subsequent CNUs to the multicast group.

Abstract translation: 这里公开的是用于支持多播组的管理的机制，所述多播组包括一个或多个光线路终端（OLT），一个或多个光纤到同轴电缆单元（FCU）和多个同轴电缆网络单元（CNU）。 所公开的实施例可以支持通过光学和同轴网络管理多播密钥。 在一些实施例中，FCU可以促进包含来自一个或多个OLT到多个CNU（通常为多个CNU）的多播密钥的操作，管理和维护（OAM）消息的通信。 一些实施例可以在光网络和同轴网络上使用一个多播密钥。 其他实施例可以在光网络上使用光域多播密钥，并且在同轴网络上采用电域多播密钥。 实施例可以包括将第一CNU添加到多播组以及将后续CNU添加到多播组。

公开(公告)号：US20130142515A1

公开(公告)日：2013-06-06

申请号：US13691762

申请日：2012-12-01

Applicant: FUTUREWEI TECHNOLOGIES, INC

Inventor： Jim Chen ,  Fanglin Sun ,  Li Zhang

IPC: H04B10/27

CPC classification number: H04B10/27 ,  H04B10/2575 ,  H04Q11/0067 ,  H04Q11/0071 ,  H04Q2011/0088

Abstract: A method comprising receiving a coaxial network unit (CNU) registration request from a CNU via a coaxial portion of a network, wherein the registration request is addressed to an optical line terminal (OLT), and forwarding the CNU registration request to the OLT via an optical portion of the network. Included is an OLT comprising a processor configured to receive a registration request including a logical node identifier (LNID) assigned to a coaxial line terminal (CLT) in a payload of the registration request, wherein the CLT intermediates between the OLT via an optical portion of a unified optical-coaxial network and a CNU via an electrical network portion of the unified optical-coaxial network, assign a logical link identifier (LLID) to the CNU, and send the LLID to the CNU via the CLT.

Abstract translation: 一种方法，包括经由网络的同轴部分从CNU接收同轴网络单元（CNU）注册请求，其中所述注册请求被寻址到光线路终端（OLT），并且经由以下操作将所述CNU注册请求转发到所述OLT 网络的光学部分。 包括的OLT包括处理器，其被配置为接收注册请求，所述注册请求包括在注册请求的有效载荷中分配给同轴线路终端（CLT）的逻辑节点标识符（LNID），其中，所述OLT经由所述注册请求的光学部分 通过统一光同轴网络的电网部分的统一光同轴网络和CNU，向CNU分配逻辑链路标识符（LLID），并经由CLT向CNU发送LLID。