Aiman Tahir
Lahore,PB
Summary
Having experience of 4 years in the field of Project Management and more then 14 years of technical experience of both Radio Network Design & Optimization with ERICSSON. Part of ERICSSON Managed Services Team globally ranked #: 4. Excellent communication and interpersonal skills, self-starter and problem-solver with strong organizational capabilities. Work well under pressure and deadlines. Experienced in project planning and time management. Experienced in providing technical consultancy and technical training to ensure productive use of existing and new systems. Experienced in risk management, change management and team management.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Consultant RF Planning & Optimization 2G/3G/4G
Ericsson
01.2018 - 06.2024
- Analyzing and Strategical Efforts to Improve LTE SLA KPIs including ERAB DR, Intra-Freq HSR, Cell/User Throughput.
- LTE Parametric Optimization and Standardization (Network Level Audits) & Benchmarking.
- Actively involved in LTE sites audit and optimizing the Area for better SINR and RSRP.
- Planned PRACH, Root Sequence Index, PCI for LTE Network.
- Optimizing Mobility with A2 & A3 offsets based on KPI and DT results.
- Optimizing reselection parameters and Inter RAT handovers and reselections and redirection thresholds.
- Responsible for Major Roads Quality and Coverage Patch for Analysis & Optimization.
- Physical Parameters Verification of new sites as per the planning data.
- Responsible for checking the radio performance for the newly integrated LTE sites analyzing drive test logs.
- Acceptance on behalf of MS team for LTE rollout of commercial network.
- Handling corporate LTE customer complaints & making efforts to effectively resolve through physical design or soft parametric.
- LTE Features Trials.
- SON Features trials ANR, MRO, ACH & 4T4R Implementation, 256 QAM Modulation DL-FSS, Under-Utilized Power Inconsistencies Audits, MIMO Correct Configuration Check’ (RRU-Antenna) etc.
- UMTS/HSPA+/R99 (RAN 18.0) HSPA Carrier (U2100 and U900) GSM/EDGE (BSS 14.0) BSC 6900 & 6910.
- RAB Success CS/R99/HSPA.
- Fine Tuning to resolve Traffic Blocking (CE, Code, Power).
- IRAT Mobility D2f2 Parametric Fine tuning.
- Proposed Board Balancing (WBBP, UBBP), Neighbor Audits, PSC Audits, APP.
- Analyzing 2G KPIs CSSR, DCR, SDR, SDCCH & TCH Blocking & HSR.
- Manual AFP Tuning to Improve DCR and Rx Quality based on Excel Calculations.
- Channel Dimensioning to improve High Traffic Blocking Cells.
- Power Control-III Parametric Tuning for DCR and HSR improvement.
- Analyzing and T-shoot Spill/ low coverage, spots and recommend soft/hard cell level changes.
- Technical Support for Customer Complaints handling on CCMS Jazz Complaints portal.
- Operational issues escalation to Operations BSC/Cell/TRX (Un)-Blocking/Hardware faults, alarms escalation outages/low availability.
- 2G HSR improvement (Relational definition/congestion issues/illogical NBRs distance and direction).
- Traffic-Congestion reliefs using parameters tuning and HSR including OtoU, UtoO, Assign Optimum layer, Rx level Threshold/Offset, Min Access offset, watch valid timer, Directed retry.
- Critical Frequency clashes identification and Retune.
- Trials for SDCCH Shifting to other TRX’s to achieve gain in CSSR.
- High PPS Cells-MCCH & AGBLK Audit.
- Traffic Balancing Intra-Cell-Inter Cells.
- TRX Priority Handling-Worst cells DCR Improvement after Prioritize Good Quality TRX.
Regional Consultant RF-Optimization and Radio Network Design
MVO PROJECT - IRAN
05.2015 - 03.2018
- Company Overview: (Vendor/Equipment: Ericsson)
- Daily and weekly KPI monitoring reporting/presentation to higher management.
- Achieve & maintain the Radio Network Performance as per the agreed KPIs threshold and customer need.
- Conducted end-to-end LTE(4G) integration and testing of network elements, including functionality of EPC/eNB/UE interfaces, mobile devices, eNodeB’s, MME’s, S-GW, P-GW, HSS/HLR, including issues in Throughput, Latency Delays, Packet Loss, PS Dropped calls, CSFB voice calls and 3G HSPA/4G-LTE IRAT.
- Conducted Pre-Commercial launch Optimization activities which enhanced Accessibility to network, Call Retain-ability, Mobility Management in network, Session Management, X2/ S1 Signaling, PS and CSFB Calls, and Inter-Radio Access Technology (IRAT) handovers (LTE(4G) to HSPA(3.5G) and HSPA(3.5G) to LTE.
- Comprehensive analysis and investigation of LTE DT logs, MIMO behavior RI, SINR, IRAT delivery processes, and issues of PCI, and power distributions on the common UL channels.
- Analysis of access KPI (PRACH issues, multiple RRC request, etc.) Retain ability, Integrity, mobility etc.
- Identification & resolution of idle mode issues LTE-WCDMA, LTEGSM, WCDMALTE and GSM LTE.
- Tuning of parameters for Power control, Cell Admission Control, IntraFreq/ InterFreq HO.
- Trial of following features in LTE live network: CSFB, Max cell range, WCDMA session continuity, WCDA IRAT HO, ANR, PCI conflict reporting.
- Analysis and troubleshooting of MME cutover issues-Routing area update failures, session continuity issues.
- Analyzed LTE(4G) Drive data logs, call traces collected through network analyzer and probes/taps throughout the network and determined the root cause of KPI failures.
- Single site drive test, acceptance of SSV reports and drive test analysis.
- Evaluate vendor setting for different eNB parameters: PRACH preamble format for the appropriate cell radius, PCFICH for different PDCCH symbol numbers and Handover setting.
- Worst cells optimization and EnodeB/UE Troubleshooting using LTE Trace decoding and post processing drive test data by using TEMS.
- Performance impact analysis of various LTE radio network features and parameters.
- Analysis of neighbor relations their implementation and corrections.
- Optimization of Capacity/Coverage issues using parametric optimization and proposing new sites Implementation of voice services in LTE(4G) by deploying and optimizing CS Fallback feature.
- Resolving issues of CSFB, FAST RETURN TO LTE for RIM functionality to improvement in TNOL KPIs.
- Parameters consistency check using OSS Explorer and NePA.
- Identification and resolution of PCI swap, handover and coverage issue.
- Working with the vendor to improve the LTE Network KPI’s (coverage -mainly RSRP-, quality –RSRQ and SINR-, throughput and overshoot reduction).
- CSFB testing using redirection and comparison with the competitors.
- Trial to benchmark the possible impact of enabling and disabling the feature Efficient DRX/DTX for Connected UE on Paging and ping latency (RTT).
- LTE measurement report triggering optimization.
- Perform Handover S1/X2 (Intra eNodeB, Inter eNnodeB), Coverage, throughput.
- Layer-3 analysis and trace analysis for troubleshooting and optimization of LTE(4G) network.
- Audit of the SON features specially ANR and parameter tuning for Event Based ANR and Fast ANR.
- Checking all the KPI parameters, coverage, capacity, Handover.
- Call setup success, drop calls, call quality.
- Handover optimization, antenna adjustment etc.
- (Vendor/Equipment: Ericsson)
Senior Optimization & Design Engineer
Warid LTE
08.2014 - 04.2015
- Worked as Radio Design Team Lead for LTE Rollout on country’s pioneer LTE Networks.
- Successful LTE Radio Design delivered for 1200+ Nodes on Warid LTE Introduction Project.
- Rare Case of 4G Network layered directly over 2G Network, with Multi-Standard Mixed-Mode Technology deployed successfully.
- Successful commercial launch with 400+ Nodes On-Air.
- KPI Acceptance, Design Acceptance & Roll-Out Deliverables on track.
- LTE Cluster Optimization in progress with optimum results being achieved.
Senior Optimization & Design Engineer
Jazz Modernization & Swap Project
07.2013 - 08.2014
- Worked as Snr Services Engineer in D&O (PRS) Team.
- July 2013 to July 2014 – worked as Radio Design Snr Engineer on 4500+ BTS Swap Project of Mobilink, Pakistan.
- April 2014 – Awarded by CU GCP Head (Ericsson) for successfully creating Up-Sales Lead of 30% Additional Radio Capacity in the Network after Swap.
- June 2014 – prepared & got accepted 1st ever 3G Propagation Model to be used by country’s largest Mobile Operator (Mobilink).
Senior Optimization Engineer
Ericsson Iraq
04.2011 - 08.2012
- Company Overview: Korek Tel Project
- Ensured all contractual deliveries to customers to be made in a professional manner, achieving customer satisfaction and securing profitability for Ericsson.
- Worked with support group in solving integration of 3G trial sites in Erbil.
- Worked with Pre-Sales for providing coverage enhancement solutions for Baghdad, Central I and Central II region.
- Planned and worked as Project Manager for the completion of IBS sites.
- Optimized and met the agreed KPIs for the network in Baghdad, Central I and Central II regions.
- Gave presentations and participated in technical discussions with customer.
- Identified new business opportunities & submit proposals based on customer’s profitability thus paving way for pre-sales to sell more.
- Initiating new trials based on future requirements of the customer.
- Knowledge transfer for raising customer’s competence level & Ericsson’s long term relation with the customer.
- Conducted Audit of Radio Network followed with Optimizing CS services for overall network performance improvement.
- Monitoring the TRH utilization and proposing solutions to balance the load.
- Korek Tel Project
Regional NPO Lead
Ericsson Pakistan
01.2011 - 04.2011
- Company Overview: WaridTel Project
- Leading a team of 6 Optimization Engineers & 4 Technicians.
- Responsible for optimization of 1000 BTS Sites.
- Responsible for Customer interaction at Regional high level and for presentations.
- Weekly/monthly report preparation and presenting it to the various customer departments.
- Performing Resource management for regional optimization team.
- Creating time plans for efficient resource utilization & project progress on quarterly / yearly basis.
- Delivering resource competence plan & its implementation.
- Assuring Customer satisfaction to extreme possibility.
- Target planning for future, quarterly and yearly basis.
- Achieving Team satisfaction to attain maximum output from team.
- Assuring KPI maintenance at Regional level as well as at BSC level by leading the team from front.
- Supporting sales teams utilizing technical knowledge & customer intimacy.
- WaridTel Project
Network Performance Improvement Senior Engineer
Ericsson Iraq
03.2010 - 01.2011
- Company Overview: Korek Tel Project
- Deployed Ericsson’s best practices for all procedures & processes for smooth & efficient business delivery to enhance profitability and grab new business opportunity.
- Successfully performed brief Audit of Switching Systems.
- Accomplished Audit of Transmission Network.
- Identified several improvement possibilities during Audit of Charging Systems.
- Monitoring the TRH utilization and proposing solutions to balance the load.
- Paging success rate improvement on various levels of the network.
- TRX Expansion plans based on current requirements as well as future traffic growth trend.
- Enhanced features regarding channel allocation strategies (dynamic FR/HR adaptation & dynamic HR allocation) in R07B.
- Implementing new features and conducting trials on new & existing features.
- Achieved more than 50% improvement in Contractual KPIs for voice such as CSSR (Radio), Subscriber Perceived Drops(SDCCH/TCH), HOSR etc.
- Korek Tel Project
RF Engineer
Ericsson Pakistan
09.2008 - 03.2010
- Company Overview: WaridTel Project
- Optimization of WaridTel GSM Network (R11 & R12).
- Responsible for maintaining Contractual KPIs of the network of Central Region BSCs (Both at BSC and Cell Level).
- Regular Analysis of BSC/Cell level Statistics, Sorting out worst Cells w.r.t. different KPIs, troubleshooting and recommending solutions for their improvements.
- Responsible for mobilizing drive test teams in the responsibility areas, analysis of drive test logs, helping in troubleshooting and assisting for preparing drive test reports.
- Determining, initiating and conducting special optimization activities to fine tune the network.
- Planning of New Sites in new upcoming phases of the WaridTel GSM network.
- Managing Network rollout in responsibility areas. Making Cell/Frequency plan. Troubleshooting radio related issues of new On-Air sites.
- Creating Cell Data Transcripts for planned new sites.
- LAC Planning to create a balance between LAC updates & paging congestion along with catering of other related system requirements.
- Model tuning to use optimal settings for network planning and overall improving GOS of the network.
- Coverage and prediction plots analysis for suggesting new sites to the customer.
- Traffic balancing to avoid over utilization & under utilization within the capacity of the network.
- WaridTel Project
Project Manager (In-Building Solution) & COW (Cell On Wheels)
09.2006 - 09.2008
- Requirements gathering, Evaluation of teams and project planning for all IBS and COW deployments including billing system.
- Project management and monitoring complete activity of IBS & COW from planning till the implementation phase to ensure timely delivery.
- Risk management and management reporting of the project.
- Responsible for making responsibility matrix for IBS, COW and also Outdoor Micro sites.
- Defined procedures which were approved by the operator and vendor for all three Projects which are IBS, COW and Outdoor Micro sites.
- Implemented more than 70 Indoor micro sites Nationwide.
- Responsible for deployment of all COW sites since phase 1 (Warid Project).
- Responsible for formalizing Eridoc procedures and deliver a presentation on its effective usage.
- Customer engagement on timeline and other technical issues.
RND Engineer
06.2005 - 09.2006
- Site planning, Frequency planning, neighbor relation planning, BSIC planning, and LAC planning.
- Redesign and recommendation for improve stats, reducing over shooting and ping-pong situation.
- Analyze/diagnose problem in GSM traffic and collect Drive Test Data for cluster optimization.
- Conduct Bench marking, swap activities of micro and macro cell site, comparison of pre swap, post swap data for better service provision during deployment.
- Resource management, planning and utilizing DT teams at sites.
- Conduct re-homing activities and ensure quality before and after re-parenting.
- Keeping morals high and get the team on under work pressure.
- Log file analysis of the routine / issue based drive test and hence the fine tuning of BSS parameters to resolve the issues (dropped call, HO failures, Bad Quality, poor accessibility).
Education
BEng - Computer Engineering
University Of Calgary
Calgary, Alberta01.2005
Computer Engineering Technology - undefined
Niagara College
Welland, Ontario01.2002
Skills
- Web design expertise
- Experience with FrontPage 2000
- Experienced with graphic design tools
- Proficient in Macro Media Freehand
- Experienced with Adobe applications
- Familiarity with Windows software applications
- Proficient in MS Visio
- Proficient in MS Project
- GSM network management skills
- Experience with oscilloscope data analysis
- Skilled in using Tektronix TDS 8000B
- Expertise in signal analysis using spectrum analyzers
- R&S FSEM20
- HP 4195A
- Collaborative teamwork skills
- Strong interpersonal communication
- Effective team management
- Analytical decision-making expertise
Certification
ETCP Certified
GSM Radio Network features
GSM Radio Network statistics
GSM Radio Network tuning
GSM RAN Signaling
WCDMA Air Interface.
Cell Planning Principle 2
High Performance Teams
Introduction to PROP-C, Completed on-line courses.
LTE Fundamentals
Ericsson Training Programs – GSM, WCDMA, LTE, RAN Signaling, High-Performance Teams
Introduction to Artificial Intelligence – Ericsson Learning Portal
Data Privacy 2.0 – Ericsson Compliance Academy
Anti-Corruption 2.0 – Global Ethics & Compliance Program
The Breach: Data Privacy & Security Training – Ericsson Security Learning
Automation 101 – Digital Transformation Learning Track
Languages
English
Urdu
Punjabi
Timeline
Consultant RF Planning & Optimization 2G/3G/4G
Ericsson
01.2018 - 06.2024
Regional Consultant RF-Optimization and Radio Network Design
MVO PROJECT - IRAN
05.2015 - 03.2018
Senior Optimization & Design Engineer
Warid LTE
08.2014 - 04.2015
Senior Optimization & Design Engineer
Jazz Modernization & Swap Project
07.2013 - 08.2014
Senior Optimization Engineer
Ericsson Iraq
04.2011 - 08.2012
Regional NPO Lead
Ericsson Pakistan
01.2011 - 04.2011
Network Performance Improvement Senior Engineer
Ericsson Iraq
03.2010 - 01.2011
RF Engineer
Ericsson Pakistan
09.2008 - 03.2010
Project Manager (In-Building Solution) & COW (Cell On Wheels)
09.2006 - 09.2008
RND Engineer
06.2005 - 09.2006
Computer Engineering Technology - undefined
Niagara College
BEng - Computer Engineering
University Of Calgary
References
Will be furnished on demand.
Personal Information
- Date of Birth: 14-08-1982
- Nationality: Pakistani
- Religion: Muslim