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Drive Route Creation
Drive Routes for Drive Testing need to be created using MapSource program. If MapSource is not already installed in PC, to install MapSource, a Garmin GPS need to be connected to PC using a USB cable. Once the GPS is connected, go to Garmin Web site and start the update process for maps. When updating maps, if the Garmin device maps have not been updated, please select the option to update maps for both Garmin GPS device and the PC. If the Garmin GPS device maps have already been updated choose the option only to update maps in PC.
After MapSource have been installed in PC remember to always keep the following option selected. View → Map Detail →Highest
Drive Routes need to be drawn for each cluster on the basis of technology (2G/3G) and drive types(CPA short/DSA/CPA). The cluster boundaries can be different for 2G and 3G. Sometimes a cluster in 2G may be divided to two clusters in 3G. There are three different types of drive routes CPA Pre Benchmark(short)- Route should be designed to cover all sectors of cell sites within the cluster and also going beyond the cluster to neighbouring cluster to check handovers if there are cell sites nearby. DSA - Deployment Site Acceptance, this drive test is done in night just after the swap and need to be completed in two hours (by one or two DT Teams). Drive route should be designed to check active status of all sectors after the swap CPA - After the swap to be completed within seven days. Comprehensive drive route. Cell site locations with proper sector orientation need to be loaded in to MapSource before starting to draw drive routes. In addition cluster boundaries also need to be loaded in to MapSource.
Process for loading cluster boundaries and cell site locations to MapSource. Cluster boundaries and Cell site locations are available in MapInfo format. These need to be selected for required area and converted to GPX format in order to open them in MapSource. GPS TrackMaker is the program used to merge cluster boundary and cell site location files and convert them to GPX format. Cluster boundaries and cell site locations would need to be selected separately in MapInfo and copied to GPS TrackMaker and then merged together. After merging, the file should be saved in GPX format.
Depending on the requirement be mindful to open the required cluster boundary and cell files, for 2G or 3G. First open the MapInfo program and open the cluster boundary file. In MapInfo to display the cluster boundary ID in layer control select the cell boundary layer and select automatic labels ON. Then double click the layer in layer control to open layer properties. In layer properties → label display→label with →select cluster ID.
To select the cluster area needed use Marquee select or use shift key together with select key. Select the required cluster and also the neighbouring clusters. After the selection is made Map→Google Earth Link→Export to Google Earth→Export Selected Objects KML Select the location where the files need to be saved. Then Open the cell files in MapInfo.
Repeat the above process to select and save the cell site locations.
Open GPS TrackMaker program. The saved KML files of cluster boundaries and cell site locations need to be merged and saved in GPX format. File →Merge file→select the saved KML file of cluster boundaries File →Merge file→select the saved KML file of cell site locations.
Save the merged file as a gpx format file.
In MapSource open the saved gpx file and the cluster boundaries with cellsite locations will be visible. Use the route tool to draw the drive route. Click at positions close to each other specially near bends and turns. Use Cntl Z to undo the last point created when required.
After the route is created save it in both gdb and dxf formats. When saving as dxf format select →Use UTM Cordinates→Zone 55
To open the saved route in MapInfo the dxf file need to be converted in to a MapInfo format. In Mapinfo Table →Import→select file Select dxf layer →routes Select Projection →UTM WGS84→UTM Zone 55 Southern Hemisphere→OK Now the file has been converted to MapInfo format and can be opened using Open in MapInfo Pay attention to the following Huawei requirements when designing drive test routes. 1) The drive test route should cover all major roads, 40% of minor roads and pass through all cells within the cluster as a minimum. The Cluster boundary must be the coverage predicted cell edge at a level of –104 dBm (RxLev) for GSM and -111 dBm (RSCP) for UMTS. The drive test route should go little beyond the cluster boundary if possible to ensure the completeness of the plot. 2) The drive test route should be designed in Mapsource and exported in MapInfo format with minimum overlapping, u-turn and pay attention to one-way and non-accessible roads. The estimated drive test route should be reasonably designed for finishing the RF cluster drive test in two days. Drive test average vehicle speed shall be in range of 40 to 80 km/hr depending on speed limit. Huawei requirement is that Mapsource software be used to produce the DT Routes.
