光节点

介绍HFC网络双向改造中光节点及光缆干线、电缆干线、用户分配网的设计，以及在HFC双向网络中开展CABLEModem宽带接入服务时反向通道的调试与测试方法。

Introduced the designs of optical node , optical cable trunk main lines of cables and assignment users network . Besides , it also introduced the ways of reversal route debugging and testing during the course of carrying out cable modem broadband access service in HFC two-way network .

增加光节点的简便方法

A Simple Method to Increase Optical Node

ASON光节点设备技术的现状与进展

Status Quo & Progress of ASON Node Equipment Technology

针对双向HFC网络的拓扑结构、光节点服务的用户数、用户网络的分配方式和减少噪声汇聚几个问题，在设计上提出了一些观点和看法。

This article proposes some viewpoints in view of bidirectional HFC topology , user quantity per light pitch point , the user network assignment way and reducing noise gathered .

随着ROADM技术的发展，运营商逐渐采用它作为传送网的重要光节点。

With the development of ROADM technologies , carriers gradually adopt ROADM as important optical nodes in their transport network .

介绍了临钢双向HFC网络的改造过程中的设计思路及经验，光节点、光缆干线及分配网络的设计思路。

This article introduces the design idea and experiences in innovating process of bi-directional HFC network , the design ideas of light pitch point , the optical cable skeleton line and the assignment network .

论文分析了HFC的网络拓扑结构、光纤链路、同轴链路，对交接箱设置、光节点设置、网络可靠性等给出了具体的分类建议，针对网络的运行条件提出了对设备与材料的具体要求。

HFC paper analyzed the network topology , optical fiber links , coaxial links , on the transfer box set , node settings , network reliability is given the classification of specific recommendations for network operation conditions of the equipment and materials specific requirements .

DWDM技术的应用使点到点光纤通信系统尽管有了巨大的传输容量，但只能提供原始的传输带宽，需要有智能光节点才能实现高效的灵活组网能力。

DWDM systems help to maximize the capacity of installed fiber in point-to-point fiber optical communications , however they are only able to provide original band-width of fibers . In order to build cost-effective and flexible DWDM networks , intelligent optical nodes are required .

非线性传输对光节点引入的串扰的影响

The Interplay Between Nonlinear Propagation and Crosstalk Induced by Optical Network Node

每个光节点服务用户数的探讨

Discussion about the Quantity of Fiber Node Serve

一分二光节点的链路设计

The Link Design of One-divided-two Light Spot

光纤同轴电缆混合网络的光节点监控系统

HFC fiber node monitoring system

并且去掉了波长交换矩阵，以降低核心光节点的复杂度和成本。

And the architecture removes wavelength switched matrix to decrease the complexity and cost of the core node .

据我们所知，目前还没有文献研究分光节点稀疏配置下约束下的多播共享保护问题。

As far as we know , the problem of shared multicast protection under sparse-splitting constraints has not been studied .

针对这些问题，本文提出了一种有效的分光节点稀疏配置约束下的多播路由算法并分析了其性能。

To address these problems , this thesis proposes an efficient sparse-splitting constrained multicast routing algorithm and conducts extensive simulations to evaluate the performance of the algorithm .

现有文献中提出的分光节点稀疏配置约束下的多播路由算法在建立路由所需的代价、建立光树的数目和计算复杂度方面均存在不同缺点。

However , existing sparse-splitting constrained multicast routing algorithms have different pitfalls in terms of consumed cost , the number of established light-trees , and the computation complexity .

此外，由于从光节点到用户端为树型分支结构，同一光节点的多个用户共享同一信道，形成了漏斗效应。

Since HFC system has the tree-and-branch topology between the fiber-node and subscriber units , subscriber units belonging to one fiber-node share the same upstream channel , forming the " noise funneling " effect .

全光网络以光节点代替电节点，节点之间也是全光化，信号以光的形式进行传输与交换，交换机对用户信息的处理不再按比特进行，而是通过波长选择器件实现路由选择。

In all-optical network , date signals in transmission and switching unit are all optical signals . Switch is no longer on the handling of user information carried by bit , but realized through wavelength routing device .

信道串扰对WDM光网络节点性能的影响

Influence of channel crosstalk on optical WDM networks

首先，我们用一个具有二值阵列的二部图G（X，Y，E）来描述多粒度光交叉节点结构。

Firstly , a bipartite graph G ( X , Y , E ) with Boolean array is used to describe three-stage MG-OXC architecture .

DWDM光交换节点低信道串扰技术的研究

A Study of Low Channel Crosstalk of DWDM Optical Cross-connect

用于多粒度光交换节点的GMPLS信令机制扩展

GMPLS Signaling Extension for Multi-Granularity Optical Switching Node

WDM为光纤通信系统提供了巨大的传输带宽，OTN引入了灵活的光传送节点设备，将WDM所提供的带宽转化为实际组网可以灵活应用的带宽。

WDM provides huge transport bandwidth for optical communication system , OTN introduces a flexible optical transport node equipment , and transform the bandwidth provided by WDM into the actual network bandwidth that can be applied flexibly .

基于GMPLS技术，建立了新的高速宽带光因特网节点结构，分析和讨论了基于GMPLS的光因特网的控制平面的特征。

On the basis of GMPLS technology , it establishes a novel node structure of high-speed broadband Optical Internet . It analyzes and discusses some characteristics of control plane based on GMPLS for Optical Internet .

多粒度光交换节点作为光网络中的重要网元，为使用、管理大量波长的DWDM光网络提供了一种有效、经济且便于升级的方案，因此，交换结构的研究显得十分重要。

Multi-granularity optical node is introduced as an effective , economic and scalable method to manage a large number of wavelengths in DWDM optical networks . As the key element in optical networks , switching architecture is a very important research field .

WDM/OTDM混合光网络节点中数据格式转换的数值模拟

Numerical simulation on data format conversions at node in hybrid WDM / OTDM networks

另一方面，为了克服光网络节点的电子处理速度瓶颈，全光信号处理技术成为未来的发展方向。

On the other hand , all-optical signal processing is another attractive and necessary technique in future high-speed optical network in order to overcome speed limitations faced by conventional electronics processing at network nodes .

WDM光网络OXC节点控制管理单元

Control and management unit for optical cross-connects in WDM optical transport networks

DWDM光分组交换节点中的预留信道路由控制算法

A Channel-Reserved Routing Control Algorithm for Decreasing PLR of High-Priority Data in a DWDM Optical Packet Switching Node

建立了业务具有高、低两种优先权要求时DWDM光分组交换节点预留信道路由模式的解析模型。

A wavelength channel-reserved routing analytical model for high and low priority traffics of DWDM optical packet switching node is set up .