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Description: 绝对经典的东西！不下是你一生中最大的损失！！应用层截包方案与实现(修订).rar-absolute classic things! Your life is no less than the biggest loss! ! Application-layer packet cut programs and the realization (Amendment). Rar
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Size: 336896 |
Author: s |
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Description:
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Size: 2048 |
Author: five |
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Description: Gillbert-Eillet Packet Loss Distribution Model-Gilbert-Eillet Packet Loss Distributio n Model
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Size: 35840 |
Author: 张丙军 |
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Description: 嵌入式开发中，语音编码G711的包丢失隐藏的高质量低复杂度的算法-Embedded development, speech coding G711 packet loss concealment of the high-quality low-complexity algorithms
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Size: 88064 |
Author: wuhx |
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Description: Packetizer sample source code,
Packet loss simulator, and
Depacketizer source code.-Packetizer sample source code, Packet loss simulator. and Depacketizer source code.
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Size: 39936 |
Author: 江海 |
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Description: iLBC 产生背景
在VoIP的应用中，大部分厂商采用CELP (Code Excited Linear Prediction) 算法的低速率语音编解码，如ITU G.729和G.723.1等。而VoIP应用主要在包交换的IP网络上进行传输，无法避免IP网络的丢包、延时、抖动等实时传输问题，而传统的这几个CELP算法对高丢包的处理不是很好，因而很大程度上会影响语音通话效果。
-iLBC background in the application of VoIP, Most manufacturers to use CELP (Code Excited Linear Prediction) Algorithm low-rate voice codecs, such as G.729 and ITU G.723.1, etc.. And the main application of VoIP in the IP packet-switched network for transmission, could not avoid IP network packet loss, delay, jitter and other real-time transmission, and a few traditional CELP algorithm to handle the high packet loss is not very good, which will largely affect voice calls effect.
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Size: 67584 |
Author: 王刚 |
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Description: 使用三块无线网卡在两个嵌入式板子，和pc机之间进行组播测试的测试程序。通过224.0.0.1发送UDP包，两个接收端分别从此地址拿到组播的数据，然后分析丢包率。-The use of three wireless card in the two embedded board, and between pc machine multicast test test procedures. 224.0.0.1 to send UDP packet through, the two receiving end, respectively, obtained from the address of multicast data, and analysis of packet loss rate.
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Size: 3072 |
Author: 朱天山 |
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Description: 使用UDP算法实现模拟TCP丢包后的动作-The use of UDP algorithm simulation of the action after the TCP packet loss
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Size: 229376 |
Author: Kword |
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Description: 无线网络分析脚本（兼容aodv,dsr,dsdv等）. 包括：延时，丢包，开销，平均条数，投递率等-Wireless network analysis scripts (compatible aodv, dsr, dsdv, etc.). Include: delay, packet loss, expenses, the average number of articles, such as delivery rate
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Size: 3072 |
Author: 王军 |
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Description: 在网络仿真NS中对延时分析，丢包率分析，延时抖动分析，网络吞吐量分析等给出了可行性算法，直接就能用，对学NS2的人很有用的-Network simulation in NS for latency analysis, analysis of packet loss rate, delay jitter analysis, network throughput analysis give a feasibility algorithm, can be used directly on people who learn NS2 very useful
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Size: 3072 |
Author: 林华 |
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Description: 网络损伤仪软件，绝对独家！！
用来模拟网络对报文的损伤。从一个网卡上输入网络数据流，你可以自己随意模拟一定的延迟，模拟个性化的丢包，甚至抖动等，你要做的就是修改宏变量的参数即可。从另一张网卡流出的就是经过模拟损伤的网络流。只需要一台PC机就可以模拟例如路由器、交换机、无线网络等等可能带来的损伤，大大帮助研究和网络的开发和测试。一台硬件损伤仪市价至少五位数-Network Software injury, absolutely exclusive! ! Used to simulate the network packet damage. From a network adapter on the input data stream, you can own a certain degree of delay random simulation, simulation personalized packet loss, jitter, etc. and even, you have to do is modify the parameter macro variables. Another card from the outflow is through the network flow simulation of injury. Units need only one PC machine can be simulated such as routers, switches, wireless networks and so on may be brought about by injury and contributes significantly to the research and network development and testing. Units 1 Miriam hardware damage market value of at least five digits! !
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Size: 14336 |
Author: Freddie |
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Description: ns2网络仿真的实例以及对应测试分析代码，含有时延，抖动，丢包率等-ns2 network simulation examples and counterparts test analysis code, containing latency, jitter, packet loss rate etc.
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Size: 23552 |
Author: 赵永鑫 |
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Description: 当IP语音包的网络时延抖动较小时，一般的语音缓冲算法可以得到较好的语音质量。当网络中存在突发大时延时，就会出现极大丢包率或极大端到端时延，从而难以获得好的语音质量。为此，提出针对突发大时延下的自适应语音缓冲算法。通过估算网络平均时延和学习语音包经过的网络路径上的状态，来确定需要控制端到端时延大小和语音包的丢包率，动态调整Jitter Buffer队列的最小深度和最大深度，从而可以尽量减小语音裂缝（gap）的出现。通过基于听觉模型的客观音质评价（PESQ）仿真计算以及在实际语音网关设备中的应用表明算法对语音通信质量有一定的改善作用。-The continuous playout of voice packets in the presence of variable network delays is often achieved by buffering the received voice packets for sufficient time. Basic jitter buffering algorithms can work well only when the delay does not spike status of the networks, is presented to promote the quality of voice communication. It timely adjusts the minimal and maximal depth of buffer queue according to the control target of end-to-end delay and packet loss rate. The algorithm can much more easily achieve the continuous playout because it plays voice packet at a fixed inter-play time in the most time of a talk-spurt. The control target of packet loss rate can be extended to 20 . However, the basic algorithms can only bear 5-10 of the packet loss rate. Perceptual evaluation of speech quality(PESQ) is applied to assess the speech quality in the simulation. It is shown that the algorithm can obviously promote the quality of voice communication in IP networks with spike delay. The practic
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Author: 瞿志超 |
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Description: This file that use to calculate packet loss from simulation in wired link network with NS2-This is file that use to calculate packet loss from simulation in wired link network with NS2
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Size: 1024 |
Author: TR |
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Description: 通过采集数据，绘图（丢包与时间的关系）实现TCP的过程模拟-Through data collection, mapping (packet loss and time) to achieve the process of TCP simulation
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Size: 18432 |
Author: abby |
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Description: 用于模拟通信信道的丢包，可以模拟无线通信过程中的丢包，有多种模版可供选择-Used to simulate the communication channel of the packet loss, can simulate wireless communications in the process of packet loss, there are a variety of templates to choose from
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Author: cukie |
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Description: ns2下运行aodv协议的tcl脚本文件，其中包含丢包机制设置的部分代码-ns2 aodv protocol run tcl script file, which contains some code to set the packet loss mechanism
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Size: 1024 |
Author: charwin |
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Description: UDP实现可靠数据传输。使用GBN算法，实现了：1.随即丢包(随机数产生器Math.random()) 2.丢包后遇冗余ack重传 3.超时重传 (DatagramSocket和Socket都有成员函数setSoTimeout(delay),通过捕获超时时抛出的IO异常来实现超时重传)-Reliable UDP data transfer. GBN algorithm used to realize: 1. Then packet loss (random number generator Math.random ()) 2. After the case of redundant packet loss retransmission ack 3. Retransmission timeout (DatagramSocket and Socket has a member function setSoTimeout ( delay), by capturing the IO exception thrown during timeout to achieve retransmission timeout)
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Size: 10240 |
Author: nazali |
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Description: 在无线网络UDP中测量吞吐量丢包率端到端时延-UDP in wireless network packet loss rate in the end to end delay measurement throughput
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Size: 3072 |
Author: Apple67 |
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Description: 在本文中,我们描述了使用OPNET
仿真建模和分析工具的分组数据
网络。我们模拟两种类型的高性能
网络:光纤分布式数据接口
异步传输模式。我们将
协议性能的不同网络FDDI
在两个网络参数配置。我们也
一个简单的ATM网络模型和衡量
各种自动取款机服务类别下的性能。
最后,我们发展一套OPNET对漏过程模型
桶的拥塞控制算法。我们检查其
性能和影响交通模式(损失
和丛集尺寸)在ATM网络。
-In this paper we describe the use of the OPNET
simulation tool for modeling and analysis of packet data
networks. We simulate two types of high-performance
networks: Fiber Distributed Data Interface and
Asynchronous Transfer Mode. We examine the
performance of the FDDI protocol by varying network
parameters in two network configurations. We also
model a simple ATM network and measure its
performance under various ATM service categories.
Finally, we develop an OPNET process model for leaky
bucket congestion control algorithm. We examine its
performance and its effect on the traffic patterns (loss
and burst size) in an ATM network.
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Size: 81920 |
Author: 王琛 |
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