Search - throughput

[matlab] Chapter3

Description: (书)现代通信系统使用MATLAB第三章-ALLIANCES is a recently proposed cooperative random access protocol for wireless networks. In this paper we modify the original model to include user location information. We also derive pair-wise error probability (PEP) under Rayleigh flat fading channel and a power-law attenuation environment. Based on the PEP analysis we propose an optimal relay selection scheme, which achieves significant throughput gains as compared to the random relay selection scheme in the original ALLIANCES.
Platform: | Size: 20480 | Author: 史志举 | Hits:

[matlab] Chapter4

Description: (书)现代通信系统使用MATLAB第四章-ALLIANCES is a recently proposed cooperative random access protocol for wireless networks. In this paper we modify the original model to include user location information. We also derive pair-wise error probability (PEP) under Rayleigh flat fading channel and a power-law attenuation environment. Based on the PEP analysis we propose an optimal relay selection scheme, which achieves significant throughput gains as compared to the random relay selection scheme in the original ALLIANCES.
Platform: | Size: 10240 | Author: 史志举 | Hits:

[matlab] 16QAM

Description: matlab实现16QAM调制解调 matlab实现16QAM调制解调-ALLIANCES is a recently proposed cooperative random access protocol for wireless networks. In this paper we modify the original model to include user location information. We also derive pair-wise error probability (PEP) under Rayleigh flat fading channel and a power-law attenuation environment. Based on the PEP analysis we propose an optimal relay selection scheme, which achieves significant throughput gains as compared to the random relay selection scheme in the original ALLIANCES.
Platform: | Size: 1024 | Author: 史志举 | Hits:

[Windows Develop] analysis

Description: 在ns模拟结束后利用其自带的AWK工具分析所得TRACE文件所用的脚本文档可分析吞吐量丢包数目等数据并生成相应文档输出-Ns simulation at the end of use of its own analysis of the TRACE instrument AWK paper documents can be used in script analysis of the number of data throughput of packet loss and generates corresponding output files
Platform: | Size: 1024 | Author: 凌峰 | Hits:

[Internet-Network] code_combining

Description: calculate the throughput and the number of transmissions of signal using the method of code combining.HARQ protocol
Platform: | Size: 1024 | Author: mayaas | Hits:

[Program doc] TCP_Performance_Simulations_Ns2

Description: TCP性能分析。两个分析模型：拥塞控制，各种场景；给出仿真练习；-two analytical models for TCP’s throughput are compared with simulated results. Based on the study, an ns2 simulation exercise is developed for the course “Simulation of telecommunications networks”. The goal of the exercise is to make the students familiar with ns2 simulator as well as TCP’s congestion control and performance. Furthermore, the purpose is to give an idea of how analytical models can be verified with simulations. The structure of the study is following: In the first part, instructions for the simulation exercise are given. The instructions consist of theory explaining TCP’s congestion control algorithms and the analytical models for TCP’s throughput and description of the main features of ns2 simulator and Otcl language. Finally, in the second part of the study, simulation results from different scenarios are presented and analysed.
Platform: | Size: 105472 | Author: kjyqcl | Hits:

[Internet-Network] aodv_v8

Description: Aodv for NS-2. A mobile ad-hoc network (MANET) is a kind of wireless ad-hoc network, and is a self-configuring network of mobile routers connected wirelessly. MANET may operate in a standalone fashion, or may be connected to the larger Internet. Many routing protocols have been developed for MANETs over the past few years. This project evaluated three specific MANET routing protocols which are Ad-hoc On-demand Distance Vector (AODV), Dynamic Source Routing (DSR) and Dynamic MANET Ondemand routing protocol (DYMO) to better understand the major characteristics of these routing protocols. Different performance aspects were investigated in this project including packet delivery ratio, routing overhead, throughput and average end-to-end delay.-Aodv for NS-2. A mobile ad-hoc network (MANET) is a kind of wireless ad-hoc network, and is a self-configuring network of mobile routers connected wirelessly. MANET may operate in a standalone fashion, or may be connected to the larger Internet. Many routing protocols have been developed for MANETs over the past few years. This project evaluated three specific MANET routing protocols which are Ad-hoc On-demand Distance Vector (AODV), Dynamic Source Routing (DSR) and Dynamic MANET Ondemand routing protocol (DYMO) to better understand the major characteristics of these routing protocols. Different performance aspects were investigated in this project including packet delivery ratio, routing overhead, throughput and average end-to-end delay.
Platform: | Size: 32768 | Author: Andre | Hits:

[TCP/IP stack] ImprovementonTCPoverHighSpeedSatelliteandInternetN

Description: 针对TCP (Transmission Control Protocol) 协议在高速卫星因特网中传输吞吐量低的问题, 提出了一种改进TCP快速恢复的算法。该算法根据卫星信道由传输错误造成的分组丢失概率远大于由拥塞造成的分组丢失概率的特点, 通过加快窗口的增长速度, 避免过早地进入拥塞避免阶段, 达到了提高TCP吞吐量的目的。通过NS2软件模拟仿真了高速卫星因特网环境, 并对各个TCP版本和改进算法的仿真结果进行了比较和分析。仿真结果表明, 改进算法的吞吐量比TCP2SACK提高了约10 , 比TCP2Reno提高了约30 。-A new algorithm is p roposed to imp rove the throughput of high speed satellite&internet network. In satellite channels, most of lost package is due to transmission error instead of congestion. We can make some im2 p rovement on TCP (Transmission Control Protocol) fast recovery algorithm. Bymaking the window increase fas2 ter and not enter congestion avoidance too early. We imp rove the throughput of TCP. We use NS2 to simulate the environment of satellite and internet network, and the results are compared. In simulation, about 10 through2 put in our algorithm is imp roved than TCP2SACK, and that is about 30 imp roved than TCP2Reno. Key words: high speed satellite and internet network satellite channel transmission control p rotocol ( TCP)
Platform: | Size: 601088 | Author: 王立 | Hits:

[Internet-Network] wlan

Description: 文中介绍无线局域网标准IEEE802.11及它的扩展标准，分析不同环境下无线局域网的吞吐量性能-In this paper, IEEE802.11 wireless LAN standard and the expansion of its standards, analysis of different circumstances of the throughput performance of wireless local area network
Platform: | Size: 173056 | Author: 曾小兵 | Hits:

[Communication] ns2throughputOverTime.tar

Description: Function/command line tool for printing the throughput for all the flows for each second of simulation.
Platform: | Size: 1024 | Author: milan | Hits:

[Modem program] MIMO-OFDM

Description: MIMO借助多徑傳播的特點提高吞吐量、傳輸距離/覆蓋範圍以及可靠性-MIMO transmission with multi-path characteristics to improve throughput, range/coverage, and reliability
Platform: | Size: 59143168 | Author: 陳慰蒼 | Hits:

[TCP/IP stack] tcpudp

Description: TCP/UDP协议在NS2中的仿真源代码以及trace分析文件，抖动分析，吞吐量分析，丢包率分析。-TCP/UDP protocol in NS2 Simulation and trace analysis of source code files, jitter analysis, throughput analysis, analysis of packet loss rate.
Platform: | Size: 4096 | Author: yaqinchow | Hits:

[File Operate] Throughput1

Description: This file to calculate throughput from simulation wired link network with NS2 simulator.-This is file to calculate throughput from simulation wired link network with NS2 simulator.
Platform: | Size: 1024 | Author: TR | Hits:

[File Operate] Throughput2

Description: This file to calculate throughput from simulation wireless link network with NS2 simulator.-This is file to calculate throughput from simulation wireless link network with NS2 simulator.
Platform: | Size: 1024 | Author: TR | Hits:

[matlab] 081105

Description: 基于MATLAB的组合模型在港口吞吐量预测中的应用以某港1998--2007年集装箱吞吐量为实测数据，建立其集装箱吞吐量的灰色理论、三次指数平滑、三次多项式等预测模型，在MATLAB下，对比该港集装箱吞吐量各模型预测拟合值与实际值的差异。分析了差异产生的原因及其单一预测模型的局限性，提出了港口集装箱吞吐量组合预测法。其预测误差明显低于其它单模型。运用组合预测模型．可以降低误差。提高预测精度。-A combination of MATLAB-based model in port throughput prediction of a Hong Kong 1998- 2007 container throughput for the measured data, the establishment of its container throughput of the gray theory, the three exponential smoothing, prediction models, such as cubic polynomial in MATLAB, the contrast of the Hong Kong container throughput of fitting the models to predict the value of the difference between the actual value. Analysis of the causes of differences and the limitations of a single prediction model, the combination of port container throughput prediction. Its prediction error was significantly lower than other single model. The use of combination forecasting model. Can reduce the error. Improve the prediction accuracy.
Platform: | Size: 148480 | Author: 张学利 | Hits:

[Linux-Unix] code

Description: 部分关于NS的吞吐量研究的代码，可以参考-Throughput on the NS part of the research code, can refer to
Platform: | Size: 1024 | Author: LX | Hits:

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