Visiwave Site Survey Serial 18
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Visiwave Site Survey Serial 18
you also need to specify the name of the merged survey data file. if you have any questions about how to do this, you should refer to section setting properties, below. to create a new merged survey data file, open the main application window and then click on the merge survey files.. menu item. figure 7 – merge survey files dialog once you have provided the necessary information, click on the merge button. this operation will take some time to complete. if you look at the lower left corner of the dialog, you can see the progress of the operation. you will be asked to confirm the operation. if you confirm, then you can close the dialog. if you wish to stop the operation and cancel it, then click on the cancel button. 34
once the operation is complete, the new merged survey data file is displayed in the application window, along with the original survey data files. as mentioned earlier, the merged survey data file contains the measurements collected from all the survey data files that were merged. you can switch to the survey data view and you will see all the survey data files that were merged. figure 8 – overview of a merged survey data file 37
this is the final screen of the application. you can close the application by clicking on the close button or by pressing the esc key. you can also exit the application by clicking on the exit button. next, we will discuss how to set various properties of the data collected during the site survey. setting properties when creating a new survey data file, you will see the survey properties dialog (shown in figure 2) displayed. this dialog allows you to specify the following properties: survey map the survey map dialog (shown in figure 9) is used to define the boundaries of a survey area. you must provide the main survey file with a survey map image file. you can have multiple survey map images for each survey file. these images are used to define the boundaries of a particular section of a survey area. in addition, you may use multiple survey maps to define multiple sections of a survey area. you should use the same image file for all survey maps that are used within a particular survey file. the purpose of the survey map is to define the borders of a particular section of a survey area. the survey map may be as large or as small as you need. however, you must have at least one border. you can define the size of the borders and margins of the survey map by selecting the appropriate options. in addition, you can also define the minimum and maximum extents of the survey area by selecting the appropriate options. the minimum extent is used to define the upper-left corner of the survey area. the maximum extent is used to define the lower-right corner of the survey area. the actual size of the survey area can be anything from a few dozen meters to a few thousand meters. however, you should keep in mind that a survey area with a maximum size of, say, one square kilometer, will have a much higher resolution. this means that the survey area will have a lot more points that can be measured. therefore, you should choose a survey map size that is sufficient to capture the wireless environment at hand. in addition, keep in mind that increasing the number of survey points will reduce the resolution of the survey area. for example, a survey area with a resolution of 500 points per square kilometer will have a resolution of 50 points per square kilometer. and, a survey area with a resolution of 200 points per square kilometer will have a resolution of 20 points per square kilometer.
this tool lets you conduct surveys in your wlan and lets you see the results graphically. it makes wlan analysis easy, saves you time, and is faster than manual testing. it allows you to view the results of your survey in near-real time. to do this, select the scan button under the access point menu. in the access point list box, select the access point(s) that you wish to survey. figure 1 – main application screen figure 3 – access point list window after the access point is selected, select the scan button to start the survey. if the access point is not found, the scan fails. the icon shown in the status bar and in the right panel of the main application screen changes to indicate that the scan is running. if the access point is found, the icon changes to indicate that the survey is complete. figure 4 – main application screen if the survey is completed successfully, a graph of the results is displayed in the graph area. figure 5 – main application screen if the survey fails, you are presented with the message “access point not found.” no further surveys will be conducted on that access point. if the access point is found, you are presented with a list of the access point’s properties. some of the properties that you might want to check include the following: the configuration method indicates the method used to configure the access point’s parameters. you can set the method to be either “automatic” or “manual.” if you select automatic, the access point will use the saved settings from a previous survey. if you select manual, you can change the settings for the access point. if you select automatic, it will scan all access points in range using the saved settings from the previous survey. if you select manual, it will use the settings you just entered for the access point. a list of all the access points in range is displayed in the access point list box. you can deselect any access points that you do not wish to include in the current survey. figure 6 – access point list window you can select the access point properties by clicking in the list box. the following properties are available: the ssid indicates the name of the access point. the ssid is displayed in the name field of the properties. the security type indicates the type of encryption used by the access point. this can be either wpa or wpa2. the wpa security type is displayed in the security type field of the properties. the wpa security type can be either open or protected. the wpa security key indicates the password used to set up the encryption. the wpa security key is displayed in the password field of the properties. the mac address indicates the mac address of the access point. the mac address is displayed in the mac address field of the properties. the ip address indicates the ip address of the access point. the ip address is displayed in the ip address field of the properties. the gateway ip address indicates the ip address of the gateway that is used to connect to the internet. this ip address is displayed in the gateway ip address field of the properties. the dns servers indicates the ip addresses of the dns servers used by the access point. this is useful for dynamically reconfiguring the access point. the dns servers can be either automatic or manual. if you select automatic, the ip addresses are automatically used. if you select manual, you can enter the ip addresses. the wan ip address indicates the ip address of the wan gateway that is used to connect to the internet. the wan ip address can be either automatic or manual.