nsn handover success rate improvement plan
DESCRIPTION
How to optimize 2G & 3G Network?TRANSCRIPT
For internal use only1 © Nokia Siemens Networks
HOSR Enhancement Plan
NSN NPO Team – Airtel Malawi17th March
• Frequency plan & Neighboring Audits.
• BTS/ Handover/ Power Control parameters auditing.
• External Definitions on BSC/MSC
• Austallia Weekly optimization report – recommended actions.
• Drive test for problematic cells.
• TCH availability.
• TCH Assignment Success Rate problems.
• Missing handover KPI’s (problem’s escalated & being followed-up)
Plan & Progress
Freq plan is submitted for BSC03/04 – NB audit is done for all.
Listed of audited/tuned parameters is listed next slide.
Progressing - Need Airtel’s support as well.
Being analyzed – received 16th March.
Started with Mangotchi BSC
Continuous support is needed from Airtel’s team
Under investigation
TT is pending on Airtel’s side.
Parameters’ Audited
Parameter Expected
EBSPWRC Enable the Adaptive BS Power Control algorithm to reduce the interference and Improve the Quality and Drops
EMSPWRC Enable the Adaptive MS Power Control algorithm to reduce the interference and Improve the Quality and Drops
PAVRLEV Correcting the Averaging window to the recommended Value
PAVRQUAL Correcting the Averaging window to the recommended Value
LOWTLEVD Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
UPTLEVD Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
LOWTLEVU Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
UPTLEVU Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
LOWTQUAD Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
UPTQUAD Adjusting the Power Control Window to an aggrissive setting to reduce the Interference and Improve the Quality and Drops
LOWTQUAU Correcting the Threshold values to the recommended values
UPTQUAU Correcting the Threshold values to the recommended values
EBSPWCR Correcting the value according to the Hopping type
THORQST Recommended Value, to Improve the HOSR
HOAVLEV Recommended averaging window size
HOAVQUAL Recommended averaging window size
HOAVPWRB Recommended Value
HOLTHLVUL Initiate the RXLEV HO at a better value (-100 dBm) to improve the HOSR and Drops
HOLTHQUDL Initiate the QUAL HO at a better C/I (9) to improve the HOSR and Drops
HOLTHQUUL Initiate the QUAL HO at a better C/I (9) to improve the HOSR and Drops
HORXLVDLI Insure that the Traffic in Inner (1800) area is at acceptable level, and push more traffic to 1800
HORXLVDLO Insure that the Traffic in Inner (1800) area is at acceptable level, and push more traffic to 1800
EFULHO Enable Fast Uplink HO to Imrove the TCH Drops
THLEVFULHO Change the FUHO threshold to insure the feature will work at the proper thresholds
ELEVHOM Enable the Level HOM to Improve the HOSR and Drops
ENAQUALEVHOM Enable the Quality HOM to Improve the HOSR and Drops
LEVHOM Adjust the Level HOM to 4 dB to Improve the HOSR
QUALLEVHOM Adjust the Quality HOM to 4 dB to Improve the HOSR
RDLNKTO Improve call drop KPIs
4 © Nokia Siemens Networks - Airtel Zambia Re-Branding Project Status/ Harry Kastanas / 30th September 2010
Thank you
Justin Bailey (PM)