公开(公告)号：US20150181316A1

公开(公告)日：2015-06-25

申请号：US14573483

申请日：2014-12-17

Applicant: NEC Laboratories America, Inc.

Inventor： Ankitkumar Patel ,  Konstantinos Kanonakis ,  Junqiang Hu ,  Philip Ji

IPC: H04Q11/00

CPC classification number: H04Q11/0005 ,  H04J3/1664 ,  H04J2203/0012 ,  H04J2203/0019 ,  H04Q11/0062

Abstract: Methods and systems for flexible-client, flexible-link optical transponders include electrical-to-optical transponders, which accept client data from a flow distributor, and a first multiplexing switch that connects modulated optical carriers from the transponders to line interfaces. The electrical-to-optical transponders each include a flexible optical transport unit (OTU) framer module that compresses multiple optical data units (ODUs) into a single ODU having a higher order than any of the input ODUs to form an optical transport network (OTN) frame. An electrical-to-optical modulator modulates OTN frames onto a carrier. The transponder includes a second multiplexing switch that accepts optical carriers from line interfaces and optical-to-electrical transponders that accept modulated optical carriers from the second multiplexing switch. Each optical-to-electrical transponder includes a photodetector to convert the modulated optical carriers to the electrical domain and a flexible OTU framer module that decompresses received ODUs in OTN frames into multiple ODUs to form a bit stream.

Abstract translation: 灵活客户端，灵活链路光转发器的方法和系统包括接收来自流分发器的客户端数据的电 - 光转发器，以及将来自应答器的调制光载波连接到线路接口的第一复用交换机。 电光转发器每个都包括柔性光传输单元（OTU）成帧器模块，其将多个光数据单元（ODU）压缩成具有比任何输入ODU高的单个ODU，以形成光传输网络（OTN ）框架。 电光调制器将OTN帧调制到载波上。 应答器包括第二复用开关，其接收来自线路接口的光载波和接收来自第二复用交换机的调制光载波的光电转发器。 每个光电转发器包括用于将经调制的光载波转换成电域的光电检测器，以及将OTN帧中接收的ODU解压缩成多个ODU以形成比特流的灵活OTU成帧器模块。

公开(公告)号：US20150106864A1

公开(公告)日：2015-04-16

申请号：US14513164

申请日：2014-10-13

Applicant: NEC Laboratories America, Inc.

Inventor： Xu Li ,  Konstantinos Kanonakis ,  Neda Cvijetic ,  Akihoro Tanaka

IPC: H04N21/231 ,  H04N21/222 ,  H04N21/239 ,  H04N21/647 ,  H04N21/414 ,  H04N21/63 ,  H04N21/6338 ,  H04B10/2575 ,  H04N21/238

CPC classification number: H04N21/23106 ,  H04B10/25751 ,  H04N21/222 ,  H04N21/23113 ,  H04N21/238 ,  H04N21/2381 ,  H04N21/2385 ,  H04N21/2393 ,  H04N21/2402 ,  H04N21/41407 ,  H04N21/6118 ,  H04N21/632 ,  H04N21/6338 ,  H04N21/64738

Abstract: A method includes provisioning joint bandwidth in a software defined passive optical network PON based mobile backhaul MBH and cache management on base stations for video delivery across the network, the provisioning in each time unit includes grouping bandwidth utilization in the network into a first category used to support video requests which cannot directly be served by caches on base stations, the first category video requests being high priority, and if bandwidth remains after the high priority requests remaining bandwidth being used to deliver some videos that are low priority to caches.

Abstract translation: 一种方法包括在基于软件定义的无源光网络基于PON的移动回程MBH中提供联合带宽并在基站上进行用于跨网络的视频传送的高速缓存管理，每个时间单元中的供应包括将网络中的带宽利用率分组为用于 支持不能直接由基站上的高速缓存服务的视频请求，第一类视频请求是高优先级的，以及如果在高优先级请求剩余带宽被用于传送一些低优先级的高速缓存的视频之后，带宽保持不变。

公开(公告)号：US20150055664A1

公开(公告)日：2015-02-26

申请号：US14465122

申请日：2014-08-21

Applicant: NEC Laboratories America, Inc.

Inventor： Konstantinos Kanonakis ,  Junqiang Hu ,  Ankitkumar Patel ,  Philip Ji ,  Ting Wang

IPC: H04B10/27 ,  H04B10/50 ,  H04B10/60 ,  H04B10/40

CPC classification number: H04Q11/00 ,  H04L12/40136 ,  H04Q2213/13103 ,  H04Q2213/13292 ,  H04Q2213/13389 ,  Y02D50/10

Abstract: Systems and methods for data transport, including receiving one or more signals into a reconfigurable and flexible rate shared rate multi-transponder network architecture, wherein the network architecture includes one or more transponders with multiple line side interfaces and one or more client side interfaces. The transponders are configured to map one or more signals to multiple parallel Virtual Ethernet Links, remove idle characters from the one or more signals, buffer one or more blocks of characters using an intermediate block buffer, activate and deactivate one or more portions of input/output electrical lanes of an Ethernet module, multiplex and demultiplex the one or more signals to and from the input/output electrical lanes to enable sharing of a single optical transceiver by multiple independent signals, and insert blocks of idle characters to enable transmission over a lower rate transmission pipe.

Abstract translation: 用于数据传输的系统和方法，包括将一个或多个信号接收到可重配置和灵活的速率共享速率多应答器网络架构中，其中所述网络架构包括具有多个线路侧接口和一个或多个客户机侧接口的一个或多个转发器。 应答器被配置为将一个或多个信号映射到多个并行虚拟以太网链路，从一个或多个信号中去除空闲字符，使用中间块缓冲器缓冲一个或多个字符块，激活和去激活输入/ 以太网模块的输出电气通道，将一个或多个信号复用到多路复用并从输入/输出电路解复用，以使得能够通过多个独立信号共享单个光收发器，并插入空闲字符块以使得能够在较低的 速率传输管。