PowerSA-Ca具有强大通信管理功能的通信装置，可以为不同的后台SCADA系统、电力保护装置、各种智能设备、不同的管理系统等提供包含以太网、标准RS232、RS485、RS422、光纤接口等不同通信接口的综合数据通信处理功能；
Communication device PowerSA-Ca has a powerful communication management function, can be for different background SCADA system, power protection device, various intelligent devices, different management systems provide include Ethernet, standard RS232, RS485, RS422, optical interface of different communication interface integrated data communication processing function (2013-05-06, WORD, 1387KB, 下载6次)
：就基于Internet的远程控制机器人的主控计算机和客户端计算机的数据交互控制系统进
行了研究，分析了数据网络交互存在的问题，并提出了解决方法。
: Internet-based remote control robot, the data interactive control of the host computer and the client computer system study, analysis of the existing data network interaction and solution. (2012-10-25, Windows_Unix, 260KB, 下载2次)
LTE enodeb切换理解文档。详细介绍的切换过程enodeb与用户之间交互的信令，enodeb与核心网之间交互的信令。对lte协议栈的理解到开发有重要参考价值
The LTE enodeb switched understand document. The Description handover process enodeb signaling between the user interaction between the interacting signaling, eNodeB, and the core network. Understanding lte protocol stack to the development of important reference value (2012-09-29, C/C++, 436KB, 下载42次)
Modbus 协议是应用于电子控制器上的一种通用语言。通过此协议，控制器相互之间、控制器经由网络（例如以太网）和其它设备之间可以通信。它已经成为一通用工业标准。本文档为英文标准MODBUS协议
Modbus protocol is used on the electronic controller a common language. Through this agreement, between the controller, the controller via the network (eg Ethernet) and other devices can communicate. It has become a common industry standard. This document is the English standard MODBUS protocol
(2012-01-16, Visual C++, 133KB, 下载4次)
IEC61850 协议及通信接口、定义及实现方法，通过该文档可以开发相应 61850数字化变电站的通讯协议。
IEC61850 protocols and communication interfaces, definition and implementation, the document can be developed by the corresponding number 61850 substation communication protocol.
(2012-01-16, Visual C++, 4421KB, 下载84次)
本文介绍了用于局域网(LAN)的各种媒体访问方法,传送方法,拓扑,和设备。所讲的题目集中在用于以太网/IEEE 802.3，令牌环/IEEE 802.5，和FDDI(光纤分布式数据接口)。在手册第二部分LAN协议各篇文章中将更详细地讲述具体的协议。
This article introduces the various media-access methods, transmission methods, topologies, and devices used in a local-area network (LAN). Topics addressed focus on the methods and devices used in Ethernet/IEEE 802.3, Token Ring/IEEE 802.5, and Fiber Distributed Data Interface (FDDI). Subsequent articles in LAN Protocols (Part 2) address specific protocols in more detail. (2011-09-16, WORD, 308KB, 下载5次)
Modbus 协议是应用于电子控制器上的一种通用语言。通过此协议，控制器相互之间、控制器经由网络（例如以太网）和其它设备之间可以通信。
Modbus protocol is used in an electronic controller on the common language. Through this agreement, between the controller, the controller via the network (eg Ethernet) and other devices can communicate. (2011-09-07, Visual C++, 370KB, 下载3次)
Symotion是一种用于运动控制的实时工业总线，基于10/100M以太网物理层，应用层使用canopen及精简协议。可应用于运动控制器，电机驱动器，PLC，编码器光栅尺与其它工业现场执行器互连。symotion总线提供安全、开放、低成本及高性能应用。
Symotion is a synchronous real-time FieldBus for Motion
control . Build on a 10/100M Ethernet physical layer , and
Canopen or reduced protocol Layer. interconnect between motion
controllers, Motor drives, I/O modules, encoder devices and other
actuators. Symotion provides Safety , Open , low cost and high
performance in all applications. (2011-08-16, Visual C++, 887KB, 下载10次)
CDMA技术是当前无线电通信，尤其是移动通信的主要技术，不论是在中国已经建立的IS-95规范的中国联通CDMA网、各大移动通信运营商正准备实验及建立第三代（3G）系统还是大设备研发商已经在开发的三代以后（也称为4G）更宽带宽的移动通信系统，CDMA都是主要的选择 毕业设计
CDMA technology is the current radio communications, especially mobile communication technology major, both in China has established the IS-95 standard of China Unicom' s CDMA network, the major mobile carriers are preparing to test and build third-generation (3G) system or large equipment vendors have developed later in the development of three generations (also known as 4G) mobile communication systems a wider bandwidth, CDMA is the main choice of graduation (2011-07-17, C/C++, 346KB, 下载6次)
本文详细介绍了如何在NS2 中添加路由协议，并成功实现了添加了移动
自组网中基于关联度的路由协议——ABR。
In this paper, adding
routing protocols is studied and an Associatively Based Routing (ABR) in Mobile Ad Hoc Networks is added to
NS2 (2011-07-11, C++, 68KB, 下载34次)
若要在n个城市间建设通信网络，只需要铺设n-1条线路达到每个城市都连通即可。请用C语言编写程序求出以最低经济代价建设这个通信网的方案，存储结构和实现算法由学生自己选定并实现。
N To build communication networks between cities, only paved route to n-1 connectivity to each city. Please use the C programming language in order to find the lowest economic costs of building the communications network solutions, storage architecture and implementation method chosen by the students themselves and achieve. (2011-06-07, C/C++, 2272KB, 下载2次)
控制器局部网（CAN－CONTROLLER AREA NETWORK）是BOSCH公司为现代汽车应用领先推出的一种多主机局部网，由于其高性能、高可靠性、实时性等优点现已广泛应用于工业自动化、多种控制设备、交通工具、医疗仪器以及建筑、环境控制等众多部门。
1991年 9月 PHILIPS SEMICONDUCTORS制订并发布了 CAN技术规范（VERSION 2.0）。该技术规范包括A和B两部分
Controller Area Network (CAN-CONTROLLER AREA NETWORK) is a BOSCH company is the leading modern automotive applications launched a multi-host the local network, because of its high performance, high reliability, real-time advantages are now widely used in industrial automation, and more kind of control equipment, vehicles, medical equipment and construction, environmental control and many other sectors. September 1991 PHILIPS SEMICONDUCTORS developed and released the CAN specification (VERSION 2.0). The specification includes two parts A and B (2010-04-10, C/C++, 344KB, 下载9次)
在以太网上传输PPP的方法（PPPoE）,本文档描述的PPPoE是RedBack Networks, RouterWare, UUNET 及其它厂商所采用的在以太网上封装PPP的方法。
In the PPP method of transmission over Ethernet (PPPoE), this document describes the PPPoE is RedBack Networks, RouterWare, UUNET, and other manufacturers used in the Ethernet encapsulation PPP approach. (2010-03-16, WORD, 21KB, 下载5次)
中国移动通信集团公司最近已在上海、北京、天津、广州、杭州、深圳等六大城市同时开出WAP商用试验网，首期商用试验网的六大城市在3月25日-5月31日期间实行免费上网，6月1日后的WAP业务通信费标准将另行制定。WAP用户可以在这六大城市中使用WAP手机上网浏览WAP网站信息，这标志着我国有了自己的WAP网关，极大地促进了我国WAP服务行业的发展，也象征着我国无线通信技术进入了一个新的里程。
China Mobile Communications Corporation has recently been in Shanghai, Beijing, Tianjin, Guangzhou, Hangzhou, Shenzhen and other cities out of six commercial tests WAP network, the first commercial trial of the six major cities in the network March 25-5 31 during the introduction of free Internet access, June 1 the WAP business in future will be the development of communications standards. WAP users can use the six cities WAP mobile Internet browser WAP site information, which indicates that China has its own WAP gateway, greatly promoted China' s WAP service industries, but also a symbol of China' s wireless communications technology into the a new milestone. (2009-07-10, MultiPlatform, 3KB, 下载1次)
GSM数字移动通讯系统培训教材中文版。
GSM发展历史；
GSM通信系统；
GSM关键技术；
GSM网络结构；
编号计划与拨号方式；
GSM网支持业务；
SIM卡；
呼叫处理。
GSM digital mobile communication systems the Chinese version of training materials. GSM history of the development GSM communication systems GSM key technologies GSM network numbering plan with the dial-up mode GSM network to support the business SIM card call processing. (2009-06-03, PDF, 1668KB, 下载67次)
非常好的一本讲述qos的书籍，基于异构网，对于下一代网络中IPv6的讲解很到位，其中流标签的使用很具有前瞻性
A very good book about qos, based on the heterogeneous network, for the next generation IPv6 networks on the very place, in which the use of flow labels are forward-looking (2009-04-26, Windows_Unix, 5059KB, 下载97次)
该代码是802.3ap推荐代码fir吗(42,33)的编码器和解码器,该代码采用C语言实现,可以完成译码功能,该代码采用并行编译码方式实现,可以应用于100G以太网的FEC
The code is 802.3ap you recommend fir code (42,33) of the encoder and decoder, the code using C language, you can complete the decoding function, the code achieved by the use of parallel encoding and decoding, can be applied to 100G Ethernet The FEC (2008-05-25, Visual C++, 552KB, 下载15次)
网络拓扑发现是指发现网络元素并确定网络元素之间的互连关系，包括互连设备（如路由器、网桥、交换机等）、主机和子网。
Network topology discovery is the discovery network elements and to determine the interconnection between network elements, including the interconnection equipment (such as routers, bridges, switches, etc.), host and subnet. (2008-04-22, Visual C++, 7KB, 下载271次)
中兴内部培训材料，单板原理
1、功能：
作为ＺＸＪ１０机中央控制部分、完成呼叫处理及系统管理功能
控制交换网的接续
提供前台程序运行平台、运行ＤＯＳ、ＩＲＭＸ等软件
提供两个以太网接口
负责前／后台间数据、命令的传送
实现与各子单元ＳＰ的消息通信
控制主／备ＭＰ倒换
ZTE-house training materials, veneer Principle 1, function: As part of the central control ZXJ10 machine to complete the call processing and system management functions control the switching network to provide the follow-up program runs front platform, running DOS, IRMX software offers two Ethernet interface responsible for pre/background data, order transmission to achieve with the sub-unit communication control information SP Master/Preparation MP switching (2008-04-16, PPT, 285KB, 下载16次)
ims技术基础，ZTE资料。
1.IMS引入
从需求角度
从竞争角度
从标准角度
2.IMS技术纵览
IMS及其特点
IMS框架及实体
IMS协议
IMS编号
IMS流程
IMS业务
IMS组网
IMS计费
3.问题与思考
ims technical basis, ZTE information. 1.IMS introduction from the angle of demand from the perspective of competition from the standard technology overview perspective 2.IMS (2007-06-15, PDF, 5103KB, 下载132次)