logging in or signing up 80090177-3G-Optimization-Using-Drive-Test-Data (1) (1) robertabbas2000 Download Post to : URL : Related Presentations : Let's Connect Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 289 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: September 20, 2012 This Presentation is Public Favorites: 2 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Aircom IQ : Aircom IQ 3G Optimization using Drive Test DataPossible Optimisation Processes: Possible Optimisation Processes Overshooting Cells\ Pilot Overshooting Pilot Pollution Poor Coverage Levels (Poor Dominance) Interfering Coverage Pilot Surprise Missing NeighboursOvershooting Cells\ Pilot Overshooting: Overshooting Cells\ Pilot Overshooting Overshooting refers to excess coverage levels\range of a cell, i.e. Cell pilot power is detected far ( how far? ) from its origin Cell pilot power is detected beyond first\second tier neighbouring sites Overshooting Cells can be detected by the following logic For every measurement point, calculate the distance ( to all detected cell ) and the average distance Report on those cells which are above or X times the average distance Further enhancements can be made by considering Different distance criteria based on site density\area type, e.g. mean distance < 1km overshooting cells three times the average distance mean distance > 1km overshooting cells two times the average distance Only consider measurement points having three or more detected cells A cell has to appear at least X number of times to be considered as over overshootingOvershooting Cells- RNC TBRNC10 Cluster 327: Overshooting Cells- RNC TBRNC10 Cluster 327 Scrambling Code # detected MS-1 Scrambling Code # detected-MS-3 307 53 307 8 84 48 84 21 46 31 46 1 91 29 91 1 260 22 260 13 17 19 17 10 47 11 47 4Overshooting SC 307 (Appeared 57 times): Overshooting SC 307 ( Appeared 57 times )Overshooting SC 84 (Appeared only 20 times): Overshooting SC 84 ( Appeared only 20 times )Overshooting SC 86 (Appeared only 4 times): Overshooting SC 86 ( Appeared only 4 times )Overshooting SC 260 (Appeared only 22 times): Overshooting SC 260 ( Appeared only 22 times )Overshooting SC 260 (does not make sense): Overshooting SC 260 ( does not make sense )Pilot Pollution: Pilot Pollution Pilot pollution can defined as the regions where the number of detected cells are greater than the Active Set (AS )size and also above the AS activation Ec /Io threshold Pilot polluters can be detected by the following logic Only consider those measurement points where the number of detected cells > 3 Further filter the measurement points where all cells are detected above an Ec /Io threshold of X dB (-12) and not below Y dB (e.g. 10) of that of the best cell Measurement points extracted by the above criteria contain the pilot pollution information, i.e. the first three cells belong to active set and rest pilot polluters You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.