量子进化算法在网络平衡分配模型中的应用

给出了采用量子进化算法来解决平衡交通分配的求解方法。解决了网络平衡交通分配模型因变量多、维数大、不好求解而影响其在实际交通规划中的应用问题。     

一种基于NSGA-II的网络规划资源配置优化处理方法

本文提供一种网络规划资源配置优化处理方法,利用第二代非支配排序遗传算法(NSGA-II)来解决网络规划资源配置优化多个目标通常彼此矛盾、难以同时优化的问题,结合通信网络规划技术特点,提供构建资源配置多目标优化模型方法、模型求解方法和资源分配实施示例,并对资源配置优化结论处理方法进行进一步的讨论。     

NGI分组交换网的网络规划和性能评估

由于当前Internet在处理实时应用和多媒体应用方面的能力不够，以及一些其他的缺陷，需要Internet从技术上有一个跃进。本文先介绍了下一代因特网的一些关键技术，然后重点研究了基于NGI技术之上的分组交换网的网络规划，介绍了网络规划的目标，网络规划的线性模型和立体模型，并给出了多种规划的工具。本文还介绍了网络规划后的性能评估工作，并给出了多种性能评估的方法和工具。     

基于PNNI递阶拓扑结构的VP网络规划

ＡＴＭ网络中的ＶＰ层网络规划在大规模网络情形下求解会发生困难,文章借鉴了ＰＮＮＩ网络递阶结构,设计了一种分级规划方法,有效地解决了大规模ＡＴＭ网络ＶＰ层规划问题,并用进化规划对规划问题进行了求解。文中给出了数值算例。     

CDMA网络规划的线性建模方法

该文提出了CDMA网络规划的线性建模方法，该方法用线性方程组对CDMA系统进行建模，并可用迭代的方法求解，该文同时给出了模型的仿真结果。仿真结果表明，该方法具有较高的准确性，完全可以用于对实际网络的规划。同时，该方法便于用计算机实现，可以作为规划软件的算法模型。     

终端和业务对运营商移动网络配置的影响--浅谈运营商如何应对微信类业务

终端和移动互联网业务的快速发展，对运营商的网络产生巨大影响。运营商需要优化网络规划方法，实现网络对快速变化的终端和业务的有效承载。目前国内运营商对网络的规划方法仍采用传统的话务模型。本文通过具体分析终端对核心网关键网元造成的影响，尝试构建面向终端的核心网规划模型，提升网络规划的合理性。并以微信为案例，研究心跳类OTT业务对运营商网络造成的影响。     

基于进化规划的ATM网络优化路由算法

根据ATM网络承载业务的特性，提出了以最小化全网平均信元丢失率为目标函数，以途经交换节点数目为约束的优化路由准则，并应用进化规划方法求解此优化问题。     

几种TCP协议下F、G函数的研究

随着网络技术的不断提高,一些新型的高速网络投入使用,产生了一系列如TCP拥塞控制算法,其中Reno协议、Vegas协议、RED协议以不同的方式解决了网络拥塞的问题。通过在以上3种协议模型下对F、G函数进行推导,用对偶方程求解的方法,比较3种协议的优劣,为网络模型的建立打下基础。     

主动网络及其主要项目介绍

主动网络是一种新型的网络体系结构，他可以根据网络应用和服务的要求，对网络进行编程，因而大大加快了网络新应用和新服务的实施，适应了网络快速发展的需要。文章系统剖析了主动网络中主动节点的体系结构，并阐述了主动网络的几个主要项目。     

GIS技术在有线电视领域的应用及需要解决的问题

根据有线电视网络规划、管理和运营的特点，阐述GIS技术的主要应用。随着GIS技术和广播电视事业的发展，GIS将会发挥更大的作用，同时也面临一些新问题需要解决。     

Technology innovation and process integrations for sub-100nm gate patterning

This paper presents a brief overview of the Applied Centura(R)DPS(R)system,configured with silicon etch DPS Ⅱ chamber, with emphasis on discussing tuning capability for CD uniformity control. It also presents the studies of etch process chemistry and film integration impact for an overall successful gate patterning development. Discussions will focus on resolutions to key issues, such as CD uniformity, line-edge roughness, and multilayer film etching integration.     

White organic light-emitting devices based on fac tris（2- phenylpyridine） iridium sensitized 5,6,11,12-tetraphenylnap -hthacene

We have fabricated the white organic light-emitting devices （WOLEDs） based on 4,4＇ -bis（2,2 -diphenyl vinyl）-1,1＇ - biphenyl （DPVBi） and phosphorescence sensitized 5,6,11,12,-tetraphenylnaphthacene （rubrene）. The device structure is ITO/2T-NATA （20 nm）/NPBX （20 nm）/CBP： x%Ir（ppy）3：0.5% rubrene （8 nm）/NPBX （5 nm）/DPVBi （30 nm）/Alq（30 nm）/LiF（0.5 nm）/A1. In the devices, DPVBi acts as a blue light-emitting layer, the rubrene is sensitized by a phosphorescent material, fac tris （2-phenylpyridine） iridium [Ir（ppy）3], acts as a yellow light-emitting layer, and N,N＇ -bis- （1-naphthyl）- N,N＇ -diphenyl -1, 1＇ -biphenyl-4,4＇ -diamine （NPBX） acts as a hole transporting and exciton blocker layer, respectively. When the concentration of Ir （PPY）3 is 6wt%, the maximum luminance is 24960 cd/m^2 at an applied voltage of 15 V, and the maximum luminous efficiency is 5.17 cd/A at an applied voltage of 8 V.     

Complete approach to automatic identification and sub-pixel center location for ellipse feature

To meet the need of automatic image features extraction with high precision in visual inspection, a complete approach to automatic identification and sub-pixel center location for similar-ellipse feature is proposed. In the method, the feature area is identified automatically based on the edge attribute, and the sub-pixel center location is accomplished with the leastsquare algorithm. It shows that the method is valid, practical, and has high precision by experiment. Meanwhile this method can meet the need of instrumentation of visual inspection because of easy realization and without man-machine interaction.     

小角度扩展相关性近似算法分析

本论文提出一种在多天线MIMO信道相关性建模中小角度扩展近似理论算法,并应用于分析MIMO系统性能。分析中分别对三种不同角能量分布情况下的空间相关性研发快速近似计算法,并同时提出双模(Bi-Modal)角能量分布情况下的近似运算。通过分析这些新方法的近似效率,可以得到计算简单、复杂度低、而且符合实际的MIMO相关信道矩阵,对系统级的快速高效计算法的研究和系统级的评估以及误差分析具有重要的意义。     

A Versatile Mixed-Signal Pin Approach for Cost-Effective Test of Automotive ICs

Integrated circuits (ICs) intended for increasingly sophisticated automotive applications bring unique test demands. Advanced ICs for applications such as highly integrated automatic braking system (ABS) and airbag controllers combine high voltage digital channels, significant VI demands and precise timing capability. Along with continued missioncritical reliability concerns, the trend toward higher voltage operation and increased device integration requires specialized test capabilities able to extend across the wide operating ranges found in automotive applications. Among these capabilities, automotive test requirements increasingly dictate a need for a cost-effective versatile mixed-signal pin electronics with very high data rates reaching up to 50MHz with a voltage swing of-2 V to +28 V.     

Optical vibration and deviation measurement of rotating machine parts

It is of interest to get appropriate information about the dynamic behaviour of rotating machinery parts in service. This paper presents an approach of optical vibration and deviation measurement of such parts. Essential of this method is an image derotator combined with a high speed camera or a laser doppler vibrometer （LDV）.     

INTEGRATION OF OPTICAL AND WIRELESS NETWORKS

正For a long time,optical and wireless systems/net-works are developed in separate communities witha few attempts for in-depth convergence.In fact,it prom-ises many advantages to combine the optical and wire-less technologies in the levels of systems and networks.Recently,both academia and industry have made manyefforts to enter a new phase of development to take op-tical and wireless systems as fully integrated networks.To provide high bandwidth and reliable service for bothfixed and mobile users,a well-designed network must     

社长序言（英文）

正Happy New Year!As we step into a new year,we take a look back at the key feature topics covered in China Communications over the past 12 months and set out our expecta-     

云计算专题（英文）

正Cloud computing is a novel computing paradigm that utilizes remote cloud resources to achieve a high-performance computation.Cloud provides infrastructure,platform and software as different on-demand services.China has made remarkable progress in cloudbased products and operating system technology.The government,enterprises and research institutions are all active in the development of cloud computing-related projects.Despite the progress,many important problems     

Call for Papers—Feature Topic,Vol.12,No.3,2015

正Smart Grid Communications The electric power industry is undergoing profound changes as the industry aims to capture the promise of a smart grid for a sustainable energy future.Enabled by the advanced sensing devices such as Phasor Measurement Units(PMUs),increasingly powerful