Ejiofor Asogwa, 2G RAN Optimization Consultant

Ejiofor Asogwa

2G RAN Optimization Consultant

LM Ericsson

Location
Nigeria
Education
Bachelor's degree, Electronic Engineering
Experience
16 years, 8 months

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Work Experience

Total years of experience :16 years, 8 months

2G RAN Optimization Consultant at LM Ericsson
  • Nigeria
  • My current job since December 2012

❖ LM Ericsson: 22Cities High level Optimization Project for MTN Nig (Jan, 2013-June 2013) - 2G RAN Optimization Consultant.
* Network performance improvement for Warri, Owerri, Ugheli, Asaba spanning 5BSCs.
* Handling of customer complaints to improve subscriber experience/satisfaction.
* Network audit/health checks for improved performance.
* Network governance meeting with customer for new feature integration and optimization.
* Rollout and tracking of upgrade plans for TRX and E1s.
* Paging and location update improvement.

Rf Optimization Consultant at LM Ericsson
  • Nigeria
  • My current job since December 2012

Dec, 2012-Till Date LM Ericsson Nig.
17 Walter Carrington Crescent, Victoria Island, Lagos, Nigeria.
Current Project: MSIP MTN Managed Service (MTN Nigeria)
Responsibilities GSM CS & PS Improvement
* Detailed network Audit, analysis and optimization to meet set SLA targets.
* Performance improvement for Service Integrity, QoS, Accessibility, Retainability, and Mobility deliverables.
* High level tracing and analysis for core network issues.
* Network Recommendations for Expansions during promotions, celebrations and developing cities.
* Customer Complaint handling and VIP area optimization.
* Alarm escalations and tracking for resolution.
* Traffic re-distribution to cater for congestions of various degrees.
* LAC collapse/re-dimensioning for paging performance improvement.
* IPRAN troubleshooting with support teams to improve radio quality and performance.

LM Ericsson,Huawei Technologies Co. Nig Ltd at LM Ericsson Nig, Huawei Technologies, CO. Ltd
  • Nigeria
  • My current job since August 2007

GSM/CDMA/WCDMA optimization and Planning, details in the uploaded CV.

SME-RAN Performance at LM Ericsson
  • Nigeria
  • My current job since April 2014

❖ LM Ericsson: MSIP MTN Nigeria-Managed Service, (April, 2014-Till Date) -SME-RAN Optimization.
* Calculation, organizes and negotiates sign-offs of performance reports.
* Tracks worst performing cells improvement with GSC India.
* Maintenance of site database for all network regions.
* Analysis of worst Top N cells, proffers solution and track closure with GSC.
* Network Recommendations for Expansions during promotions, celebrations and developing cities.

2G RAN Optimization Consultant at LM Ericsson
  • France
  • July 2013 to March 2014

❖ LM Ericsson: Lagos Project Metro Optimization project for MTN Nig, (July 2013-March 2014) -2G RAN Optimization Consultant.
* General network performance improvement (Call Drop, Handover, CSSR, PCDROP, Congestion, coverage, Quality etc
* Regular network health checks for sustained optimum performance.
* LAC performance dimensioning and improvement.
* Weekly network governance meeting with customer for milestones.
* Monitoring and escalation of degraded transmission links and tracking for closures.
* Handling of special subscriber complaints etc.

GSM Optimization Engineer at Huawei Technologies Co., Ltd
  • Nigeria
  • August 2007 to December 2012

Aug, 2007-Dec, 2012 Huawei Technologies Co., Ltd.
Plot 98 Adeola Odeku Victoria Island, Lagos.
Responsibilities GSM/CDMA/WCDMA

KPI Network Performance Analysis and Optimization
* Network KPI Analysis and Optimization for performance improvement (Accessibility, Retainability, and Mobility & Service Integrity) above target values.
* BTS 312, 3002C, 3012, 3900 series, BSC6000, Swap: Radio network service; data migration-Parameter modification, KPI monitoring, traffic KPI evaluation and analysis before swap and after swap.
* Handover failure Analysis and optimization.
* Call drop analysis, Congestion analysis and solutions.
* Call setup success rate improvement through signaling optimization.
* Power Control handling for BTS in order to reduce interference and improve spectrum utilization.
* Neighbor Lists (Intra-Frequency, Inter-Frequency & Inter-RAT) Updates and Optimization to improve handover performance through statistical data and OSS.
* Traffic statistics analysis, segmentation and balancing in high traffic areas.
* Optimization based on Daily performance and identification of worst cells that contribute to poor Key Performance Indicators (KPIs) such as call RRC Failures, CSSR, Call Drop rate, Handover Failure rate etc.
* Implementation of multiple carrier and optimization.
* Analyzing and identifying the problems with hardware, which degrades the network KPIs, and coordinating with the RAN team to resolve the KPI issues.
* Attends to subscriber complaints in a timely manner and perform troubleshooting/analysis and provides report and recommendation for customer related issue.
* KPI Monitoring: Daily, Weekly and Bi-weekly worst cell analysis and solutions.
* GSM/CDMA interference troubleshooting, analysis and control.
* Overall network performance audit and strategies to overcome strong competition.
* GSM/CDMA call flow analysis, air-interface tracing and interpretations.
* Technical solutions for low paging success ratio.
* Coverage and handover control after swap to checkmate interference.
* Location Area planning/re-planning and optimization to improve paging performance.
* Good understanding of network hardware elements like BSC6000, BSC6600, PARC6800, WEB LMT6900, BTS312, 3012, 3900, 3606, Ericsson RBS 2000 and 6000 series.
* Frequency Planning and implementation using frequency Re-use plan.
* Interference Handling: frequency re-use, coverage control and power tuning.
* RF site survey for new installations, integration and antenna fine-tuning/adjustment.
* Interference/Sweep test using analyzer, Solving RF based problems that cause Low Network Performance.
* Understands the technology of IP-RAN for improved network performance.
* Co-BCCH implementation procedures, technology and optimization.


Drive Test data collection, Analysis and Optimization.
* Drive test (data collection), analysis and optimization using TEEMS, PROBE, Panorama, Pioneer, CAIT, ASSISTANT.
* Post Processing and Analysis of Drive test Logs Using Genex Probe, Assistant, TEMS and Map Info, etc.
* Identification, Analysis and Solution of Call Drop, Poor coverage, Pilot Pollution, Interference, Hand-over Failures, Missing neighbors, etc. and making Recommendations to improve Coverage and other Drive Test related KPIs.
* Optimization through Antenna Parameter Adjustments Parameters (Azimuth, Mechanical/Electrical tilt, Transmit power, etc.)
* Preparation of Drive Test Acceptance report using DT Analysis Software for outdoor and indoor coverage, considering, SC plots, Best Server plots, PS throughput, In-call KPI comparison, call drop and setup fail analysis.
* Attending Customer issues and complaints regarding poor coverage and call drops and recommending solutions for the same.
* SSV (Single Site Verification) for New sites by performing Voice, CQT, FTP, HSDPA Speed Tests, Scrambling Code check, SHO, Cell reselection, CS & PS Inter- System handover.

Optimization Engineer at Ericsson
  • Nigeria
  • April 2012 to December 2012

❖ Huawei: Ericsson-to-Huawei Swap Project in Asaba and Benin
❖ Region (April 2012 to Dec, 2012\} (Over1200RBSs and 17BSCs.) -2G RF TEAMLEAD

* Planning and Preparation of cell migration data from Ericsson to Huawei.
* Task scheduling for monitoring teams during nights of cutover.
* Optimization of degrading cells after cutover.
* Ensuring parameter matches from Ericsson to Huawei during migration.
* Handling of special Customer complaints on voice and data.
* KPI monitoring and parameter modification for multiband cells and dual-band cells.
* High level Trace (Radio, Abis, A-interface and Signaling trace for detailed troubleshooting, analysis and resolution network bottlenecks)
* Preparation of cellwise, BSC daily and weekly reports to customers.
* Daily tracking of cutover progress.
* Dashboard presentation of cutover milestones to customer.
* Preparations of post KPI sign-off reports for PAC, FAC.
* Review of drive test and OSS KPI reports for submission and sign-off.
* Knowledge transfer for customer etc.


❖ Huawei: MTN Network Care Project (Abuja City Optimization) -2G Optimization Engineer.
* Handling of special Customer complaints on voice and data.
* Upgrades and optimization during special network scenario for optimal performance.
* Power testing and matching with combiners.
* Overall network audit and improvement after swap.
* Drive test & KPI Optimization.
* Performance improvement, Network Monitoring and data modification.
* Drive test, log analysis and optimization for good coverage and high quality.
* Subscriber Complaint area optimization.
❖ MTNN BTS312, 3002C and BTS3012AE Swap project-2G Optimization Engineer.
* Data migration, parameter modification, KPI monitoring.
* Traffic KPI evaluation and analysis before and after swap.
❖ Sixth Licenses Visafone Manage service (CDMA) - CDMA Optimization Engineer.
* RF Drive test Optimization of Abuja City, South-East.
* KPI Performance Optimization
* Carrier upgrade planning and implementation.
* Network Expansion and Optimization.
❖ Starcomms Nigeria Network Optimization (CDMA)
* Same Responsibilities as in Visafone above.
❖ Multilinks-Telkom Network (CDMA)
* Same Responsibilities as in Visafone above.

Tool Cognizance
* Ericsson OSS/WINFIOL configuration platform (Citrix)
* CME, i-Convert and i-Swap, FACTS.
* TEMS (GSM), Pilot Panorama (CDMA 1X, CDMA2000), Pilot Pioneer, Navigator, CAIT (EVDO & 1X), Google Earth, Net-force, BSS LMT Air-Bridge, YBT250 Tektronix Analyzer, Apus Planner, PN/PSC Planner, Omstar, LMT GSM, 3G RNC, NodeB.
* Planning: New site planning using Google earth and U-Net, PN Planning, RNP easy planning.
* Huawei Genex Probe (Drive Test Collection Tool)
* Huawei Genex Assistant (Post Drive Test Processing Software)
* Huawei Genex Nastar CDMA/GSM/WCDMA (KPI Analysis Tool)
* Huawei Genex U-Net (Network Pre-Planning/Planning Software)
* Map Info Professional
* Actix Analyser
* TEMS Investigation
* TEMS Cell Planner
* Huawei Local Maintenance Terminal (LMT), Trace Viewer, FTP Client
* Huawei Mobile Element Management System (iManager M2000)


Technical Trainings

Business development skills and Bidding Strategies at Huawei Technologies Co., Ltd
  • Egypt
  • January 2009 to December 2009

* Handoff Algorithm, failure analysis, troubleshooting and optimization (Huawei Technologies Co., Ltd, 2009)
* Business development skills and Bidding Strategies.
* Project Management Training Course-Huawei.
* CCNA Trainings and Practical laboratory.
* Environmental health and Safety Training-NETCO NNPC & Huawei Technologies Co Ltd.
* Industrial/Oilfield Health, Safety and Environmental Management Appreciation.
* Integrated control and safety systems (ICSS) basics.

Business Skill-sets
* Experienced in working with leading Telecom service provider, with focus on providing technical expertise and solutions for in-house development of business solutions.
* Polished leadership skills, ability to motivate & influence in enhancing productivity when working in a team.
* Strength in pro-active and recursive analysis of IP and wireless based communications systems behavior: Network design, support, troubleshooting and optimization for winning business solutions.
* Excellent mentoring and tutoring skills: providing technical support, skill transfer solutions.
* Experienced in Customer Support Services, customer relations, Terms and SLA (Service Level Agreement) negotiations: Delivery system design and management, Design and implementation of MOP (Method of Procedure), Acceptance Test Procedures (ATP)

Education

Bachelor's degree, Electronic Engineering
  • at University of Nigeria Nsukka
  • October 2005

❖ MSc. Science, Telecommunications Economics & Policy Studies University of Nigeria Nsukka, UNN (DBI) . In View, 2014

Bachelor's degree, Electronic Engineering
  • at University of Nigeria Nsukka
  • January 2005

❖ B.Eng (Hons) Electronic Engineering (Second Class Division) University of Nigeria Nsukka, UNN. 2005

Diploma,
  • at Ovoko Boys' Secondary School
  • January 1998

❖ Senior Secondary School Certificate Examination S.S.C.E Ovoko Boys' Secondary School, Ovoko 1998

Specialties & Skills

Network Optimization
RF Engineering
FAILURE ANALYSIS
OPTIMIZATION
RADIO NETWORK
SOLUTIONS
Leadership Skills

Languages

English
Expert

Memberships

Institute of Electrical Electronic Engineers (IEEE)
  • Member

Training and Certifications

GSM Technology Training (Training)
Training Institute:
Huawei Technologies Co. Nig. Ltd
Date Attended:
February 2010
Duration:
160 hours

Hobbies

  • Reading,Travelling