Muhammad Ali Khan Email & Phone Number

United States

Beirut District, Lebanon

• Involve in Radio Network Optimization for improving Ericsson 3G/LTE RAN Accessibility, Retainability & Mobility to achieve KPI’s Target. • 3G/LTE Parameter/Feature audit• LTE cluster redesign using Automatic Cell Planning module of ATOLL planning tool to improve SINR.

 Involve in Radio Network Optimization for improving Ericsson 3G RAN Accessibility, Retainability and Mobility to achieve KPI’s Target. TX Parameter Audit to align maxDlPowerCapability & maximumTransmissionPower. pwrAdm & pwrOffset tuning to improve accessibility MaxFach1Power tuning to improve accessibility. URA_PCH proposal/implementation to reduce signaling load, reduce RNC MP Load, and improve overall subscriber perception. Overshooting cell analysis using pmPropagationDelay counter and SHO Overhead. Neighbor Addition/Deletion using WNCS.

Mtn

• Involve in Radio Network Optimization for improving Ericsson 2G/3G RAN Accessibility and Retainability to achieve KPI’s Target.• WCDMA Parameter tuning to improve accessibility and Retainability.• WCDMA Mobility parameter tuning to improve SHO and reduce drop call rate.• IRAT HO Performance improvement by removing inconsistencies related to BCCHNO, LAC & BSIC. Unnecessary IRAT relations were deleted and UMFI list was updated as per 3G to 2G relations.• Tuning of channel switching parameters to improve HSDPA throughput. The main purpose for channel switching parameter changes is to avoid chatty application having frequent up switch to HS while they can transfer their data in FACH state.• Open loop and outer loop power control parameter tuning to improve UL RSSI.• Primary Scramble Code planning using Aircom Mentor Tool.• Proposed WCDMA re-design using Aircom Mentor tool using GPEH measurements.• Collected the GPEH measurements and processed them using Aircom tool Mentor to generate the main neighbor plan. Fine tuning was later done using WNCS.• Activation of Fast Return to WCDMA feature.• Locating Parameter tuning to improve Handover Performance.• Multi Band Cell parameter tuning to reduce TCH Drop Rate.• GSM Neighbor Audit using NCS and HO cell relations stats.• Proposed GSM re-design using MRR application in OSS.• Inconsistencies related to CHAP, Intra Cell HO & HCS parameters were removed to improve GSM network performance.• Activation of Enhance AMR Coverage, Enhance Handover Success Rate and Antenna hopping feature to improve signaling robustness.• Transfer knowledge to local engineers.

Islamabad

• Involve in Radio Network Optimization for improving Ericsson RAN Accessibility and Retainability to achieve KPI’s Target.• Daily network performance monitoring and identification of RF related issues through BSS Network KPI’s.• GPRS/EGPRS Performance monitoring and optimization on radio Part e.g. IP Latency, IP Throughput, UL/DL TBF Establishment Rate, TBF Drop Rate, Soft/Hard Congestion.• Handover Power Boost Feature trail to improve HOSR and Low SS Drops.• Locating Parameter Tuning (BSRXMIN/MSRXMIN/PTIMHF) to improve DCR and HOSR Performance. The setting was rolled out all across North Region.• Reduced Power Level after HO Feature trial to improve Rxqual and TCH Drop Rate.• Multiple Common Control Channel Feature trial to reduce paging congestion (PAGPCHCONG) to improve Paging Success Rate.• Daily CS/PS worst cells analysis.• Successful completion of Spectrum carving Activity to spare 5MHZ/3MHZ DCS band from existing GSM network for LTE Technology.• Post Spectrum carving tuning to improve GSM KPI’s specially Rxqual & SQI/MOS.• LTE PCI Planning using Mentum.• Implementation of Multi Standard Mixed Mode feature to share RUs between two different radio standards i.e. GSM and LTE.• SSV (Single Site Verification Process) for site acceptance.• Initial tuning to optimize LTE Radio KPI’s for acceptance.• Cluster tuning to optimize poor RSRP, RSRQ and SINR patches.• PDCCH Capacity Enhancement Trial by tuning parameter pdcchcfimode to improve Throughput, increased numbers of scheduled users & Latency.• Implementation of Fast Return to LTE Feature to camp on LTE cell after call release.• Daily LTE KPI Performance Monitoring (Accessibility, Retainability & Mobility)• Daily LTE Worst Cells Analysis.

•Involve in Radio Network Optimization for improving Ericsson RAN Accessibility and Retainability to achieve KPI’s Target•Daily network performance monitoring and identification of RF related issues through BSS Network KPI’s•Radio Parameters Consistency Checks on weekly basis for all BSC’s to improve network performance•Worst Cells Analysis on W eekly basis, troubleshooting cell level issues related to call drops and Handover Failures•Neighbor Optimization to improve HOSR through stats, field analysis and Ericsson OSS Utilities (NCS)•TRX Upgrade/Downgrade based to TCH Traffic Utilization•Tuning of GSM-UMTS Cell Reselection parameters (FDDMRR, QSI, QSC, FDDQMIN, and FDDQOFF etc.)•AMR Radio Link Timer Modifications (RLINKAFR, RLINKAHR, RLINKUPAFR, RLINKUPAHR) to improve SP TCH Drop Rate and TCH Erlang per minute drop•SDCCH Channel Reshuffling to optimize SD Drop Rate by Re-Dimensioning SDCCH and reduce SDCCH based on SD Utilization, Reduce number of SDCCH defined on the TCH (Hopping TRX) & Tilt Optimization on high TA Cells.•MAXRET Parameter Tuning to Improve Random Access Success Rate•MFRMS Tuning to improve Call Set up time and Paging Discard Rate.•Conversion of Dual BCCH Band Site into Multi Band Cell and tuning MBC associated Parameters (LOL, LOLHYST, FBOFFSP, SCLD etc)•Activation of complementary Ericsson features that need to be activated with MBC feature like FAJ 121 053 Multiband Service (BSC), FAJ 121 052 Multiband BSC (BSC), FAJ 122085 Multiband Cell (BSC), FAJ 122 430 Dynamic Overlaid/Underlaid Subcells (BSC) & FAJ 122 854 RBS 2000 Synchronization (BSC)•Activation of Enhance Handover Success Rate and Enhance AMR Coverage Feature Ericsson BSC to improve robustness of the system by enhancing the FACCH & SAACH Signaling Performance•Trail on New Feature in BSS SW release G10B Reduced Power Level after HO to improve Retainability.•Consistency check for all Radio Parameters for newly integrated sites

• Involve in Radio Network Optimization for improving RAN Accessibility and Retainability to achieve KPI’s Target•Daily network performance monitoring and identification of RF related issues through BSS network KPI’s•Preparation of new frequency plan for GSM 900 using TEMS Cell Planner as in the existing plan there was no separation between TCH and BCCH frequencies causing bad network quality•Propose physical modifications (Electrical Tilts 900/1800, Azimuth etc) to cover hot spot areas with existing sites and propose new sites for filling coverage holes•Escalation & coordination with BSS Operations and O&M for rectifying Hardware alarms (Faulty TRX, RX Diversity Lost, RX Path Imbalance, Antenna VSWR, Transmission & LAPd signaling issues, Down Sites & Cells showing Low TCH Availability etc)•Tuning of Locating Reference Parameters to improve Network Performance •LOL & LOLHYST Parameter tuning for MBC Sites for sub cell Traffic distribution•Fine tuning of FBOFFSP Parameter to optimize TCH Drops on CHGR2 (1800)•Setting of Intra-Cell Handover Parameters both for AMR and non AMR connections (SSOFFSETUL/DL,QOFFSETUL/DL, SSOFFSETAxRUL/DL & QOFFSETAxRUL/DL) •HCS Parameter Optimization (LAYER, LAYERTHR, LAYERHYST) for 1800 co-located micro cells•Tuning of ACCMIN Parameter for Dense and Urban BSC’s to improve SD Drop Rate and Call Setup Success Rate •Tuning of ACLC parameters (SLEVEL & STIME) to cater SD Traffic and elevate SD Congestion•MFRMS Tuning to improve Call Setup Time and Paging Discard Rate•Changing of CHAP-5 to CHAP-10 for all MBC Sites to improve HO Performance as it prioritizes UL sub cell for all incoming HO’s and assignments from other cells•Implementation of Interference Rejection Combining (IRC) Feature to improve Uplink Quality•AMR Radio Link Timers Modification to improve subscriber perception of the network•TRX upgrade/downgrade based on TRX Utilization•Transfer knowledge to local engineers

• Involve in Radio Network Optimization for improving RAN Accessibility and Retainability to achieve KPI’s Target• Daily network performance monitoring and identification of RF related issues through BSS network KPI’s• Handover Power Boost Trail was conducted to reduce drops due to low SS and improve Handover Success Rate• AMR Radio Link Timer Modifications to improve SP TCH Drop Rate and TCH Erlang per minute drop• Radio Parameters Consistency Checks was performed on weekly basis on all BSC’s• GPRS/EDGE Optimization on Radio Part e.g. IP Throughput, Radio Link Throughput, IP Latency, UL/DL TBF Establishment etc. • TRX upgrade/downgrade based on TRX Utilization• Coordinate with customer and perform audit and optimization of the network• Leading a Drive Test Team for new sites Roll Out, Initial Tuning and Optimization• Transfer knowledge to local engineers

KPI Analysis & Improvement:•Daily network performance monitoring and identification of RF related issues through BSS network KPI’s•STS data analysis through Business Objects to monitor BSC level and Cell level performance. Analyzing the daily, hourly and weekly trends of different stats to pinpoint problems•Frequency Optimization based on Live Measurements using OSS utilities (FAS/FOX) resulting in better frequency plans for better performance•Neighbor Optimization to improve HOSR through stats, field analysis and OSS Utilities (NCS/NOX)•Detection/ rectification of HW faults (faulty TRX, antenna VSWR alarms, RX Path Imbalance etc) leading to KPI performance degradation•Radio Network Optimization using Measurement Result Recording (MRR) files to identify the bad performing cells and proposed appropriate actions for performance improvement •Suggested changes for various parameters at cell level (MAXTA, TALIM, ACCMIN, etc) to improve KPI's (SDCCH Drop Rate, TCH Drop Rate, TCH Assignment success Rate, Random Access Success Rate) at cell level and BSC level•Adjustments of idle mode boundaries by tweaking ACCMIN, C1, C2•Adjustments of dedicated boundaries by tuning HYSTSEP, HIHYST, LOHYST•Identified SDCCH Congestion on LA Border Cells and modified cell parameters (CRH, SLEVEL on ACLC, etc) for reducing SDCCH congestion•Parameter Consistency checks on weekly basis for the area assigned for sustained performance•Field measurement with TEMS investigation and logfiles analysis with TEMS Route Analysis to identify areas having coverage issues, quality,Connectivity issues,call drops, handover failures and poor C/I issues and investigate reasons•Benchmarking co-existing GSM networks and generating reports with KPI’s (Call Set up Time, Service Accessibility, Service Retainability etc) from drive tests logfiles•Familiar with Ericsson BSS R12 features