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شروع موضوع توسط AdMiN ‏5/1/14 در انجمن MAC

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  1. Administrator
    AdMiN
    هیات مدیره کاربر ویژه
    تاریخ عضویت:
    ‏3/10/13
    ارسال ها:
    2,287
    تشکر شده:
    325

    1. Simulation Process Tutorial

    1.1 Simulation Process

    1.2 Generate a topology and traffic file

    2 Simulation Environment Setting

    2.1 Physical Layer Setting

    2.2 MAC layer Setting

    2.3 Routing Setting

    2.4 Other Simulation Setting

    2.5 Simulation Result

    3. Random Topology/Traffic Generators

    3.1 Random Topology Generator

    3.2 Random Traffic Generator


    PHY/Channel/SpectrumParameters/MAC/Routing setting. For the user defined Routing and MAC protocols, several default names such as Mac3/Routing1/Routing2 are reserved for the user defined protocols in the GUI. Users only need to use these names for their MAC or Routing protocols.

    [​IMG]


    Step 2: Under Other Simulation Setting, define or specify the number of nodes, simulation stop time, and mobility and traffic file. Then specify the ns working directory in Work Dir and file name of the simulation script inOutput sim setting file. The traffic and mobility file can be generated under Topology /Traffic Generator tab. The traffic and mobility file will be stored under the Work dir. After click “Confirm” button,

    the simulation script will be generated under the Work dir.

    [​IMG]


    Step3:UnderSimulation File dir and Name,choose a simulation script from“Open file from…”,or just type in the simulation file with directory as shown in the following figure, then click “StartSim”, which starts the simulation process. When the simulation is ongoing, the “StartSim” will have a darker color.

    [​IMG]

    Step4: After the simulation finish, click the Interference or Throughput button, then you can see the simulation result.

    [paste:font size="5"]Work Dir.

    Step1: Under Random Topology Generator, fill in the parameters for defining the topology and mobility model. The Work Dir under the “Main” tab should be changed to your ns directory.

    [​IMG]

    Click “Confirm Topology Setting” once you finish.

    Step2: Under Random Traffic Generator, fill in the parameters required to generate the traffic, and then click “Confirm Traffic Setting”. The topology and traffic file is generated onto the directory specified by Work Dir.They are merged into the same file.

    [paste:font size="6"]this link.

    [paste:font size="5"]this link.


    [paste:font size="5"]Topology/Traffic Generator. This topology and traffic file will be appended to the final executable file, whose name is given in Output sim setting file(.tcl).

    Topology/Traffic Generator incorporated in this GUI is described in the NS2 tutorial [2], which is a component released with NS-2.

    [paste:font size="5"]3.1 Random Topology Generator
    [​IMG]

    Version

    This selection contains V1 and V2.

    Node Num

    This field defines the number of nodes that have topology and movement information.

    PauseTime

    This field indicates the average pause between movements.

    MaxSpeed

    This field indicates maximum moving speed of a node.

    SimTime

    This field defines the simulation stop time.

    MaxX

    It defines the maximum X coordinates among all the nodes.

    MaxY

    It defines the maximum Y coordinates among all the nodes.

    OutFileName

    It defines the output directory and topology file name, which will be used by in the main window. It should be in the same directory as the Workdir.

    Workdir

    It tells this GUI the working directory of NS-2.

    3.2 Random Traffic Generator
    [​IMG]

    TafficType

    It has two traffic types: CBR and TCP.

    Seed

    The seed value for this random Traffic Generator.

    Connection

    This field specifies the maximum number of connections.

    Rate

    This field specifies the rate of packets.

    Copyright: SNR lab/Michigan Technological University

    http://www.mtu.edu

     
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