Ability Highlights

**+ years of *G/VoLTE/LTE/WCDMA/GSM RF design & optimization experience.

Multivendor and Multicultural environment work exposure (Ericsson, Samsung and Huawei)

Well versed in Ericsson process, hardware & software evolution and optimization techniques

Ericsson Certified Services Engineer – Experienced (LTE/3G/2G), ECFO-LII

Hands on working experience with Atoll, Planet and Asset – Project setup, Site data base preparation, Antenna pattern verification, Traffic map preparation and Analysis of different metrics

Network Strategy selection and traffic analysis

Good understanding of 5G NR, call flows & SA/NSA architecture

Excellent understanding of RF design, propagation model and link budget

Professional Experience

GTA (Global Technology Associates), USA Jul 18 – Current

SME (VoLTE) – Sprint Central Region

Providing technical solution & root-cause analysis for VoLTE related issues to different markets of central region of Sprint.

Feature trial of Ericsson & Samsung RAN features, analyzing pre-post KPIs and preparing final report with proposal (ROHC, TTI bundling, PDCP & RLC Timers, etc.)

Analyzing VoLTE/LTE Accessibility (RRC setup fail, SIP session setup fail & ERAB fail), Mobility (HO fail, HO latency, RTP HO interruption time & ping-pong HO), Retainability (RRC drop, SIP session failure & voice drop) & Quality (SINR, MOS & RTP gap) issues and providing recommendation for improvement.

Audio gap and packet loss analysis and providing improvement plan

VoLTE traffic management using mobility event parameters (A1, A2, A3, A5-1 and A5-2).

Troubleshooting worst offenders for sudden KPI degradation and providing solution to restore

Coverage analysis through atoll and recommending physical changes to improve coverage

Optimizing massive MIMO sites and supporting initial launch of 5G sites in KC area.

Analyzing drive logs and L3 messages to find out root cause of failure through windcatcher

KPI verification among OSS counters, PRTS, Netscout probes and drive test

Developing Alteryx workflow & SQL queries for automating day to day to activities

Tools Used: True-call, IRIS, nBA, nG1, Wireshark, PRTS, Tableau, FTT, Cisco SON, Alteryx, MapInfo, Google Earth, Atoll, Windcatcher, QXDM, UE Trace, Cell Trace, OSS trace recorder & Decoder, Ericsson ENM, Nokia NetAct, Samsung LSM

NAK-MCI, Iran Jun 16 – Apr 18

RF Planning & Optimization Consultant (VoLTE/LTE)

Initial Tuning and performance improvement of VoLTE/LTE network of MCI (North Ericsson)

Worst cell analysis and providing solutions to improve Accessibility, Retainability, Integrity and Mobility KPIs.

Activating and tuning VoLTE/LTE related features for basic and enhanced capabilities

SSV and Cluster optimization through drive test and OSS KPI

Physical optimization to improve coverage and quality

Traffic Map preparation in Atoll from operator input and propagation pattern

Coverage, Quality, Throughput, SINR plot preparation in different magnitude (Cluster, City, Market) in Atoll

Root cause analysis through L3 message of Drive test log

Solving issues related to VoLTE, CSFB, SRVCC and Carrier Aggregation

Improving accessibility, retainability, mobility and integrity KPIs for both LTE and 3G

Feature trial to improve coverage and capacity

Ericsson, Bangladesh Mar 16 – May 16

Optimization Consultant (LTE/3G)

Responsible for optimizing 3G network to meet post swap benchmark KPI.

Standardizing global parameters and strategy fixation

Worst cell analysis, root cause analysis of KPI degradation & proposing improvement plan.

Supporting presales team in LTE related queries.

NAK-MCI, Iran Jun 14 – Feb 16

RF Planning & Optimization Consultant (LTE/3G)

Improve and maintain KPI of LTE/3G network of MCI (Tehran Ericsson region)

External interference analysis through counter and drive test

Ensuring customer perception and KPI during special events.

Design and verification of new site parameters through Atoll

LTE/3G throughput optimization

CDD preparation, consistency checking and License Capacity Audit

Creating and tuning network strategies (Idle mode, Mobility, etc.) with evolving scenarios.

Hardware and software capacity report Preparation for RNC, Node-B, eNB (Proactive-Reactive)

Handle VIP complain and Prepare details report for particular GEO Location and Action plan

L3 Analysis from GPEH, UETR, CTR, UE Exception report

Ericsson, Bangladesh Mar 13 – Jun 14

Exp. Service Engineer (3G)

KPI optimization lead in multivendor 3G project (RNC: Ericsson, BSC: NSN/Ericsson, CORE: Huawei).

Investigate poor performance and problematic sites using UEH_EXCEPTION, TE error logs, GPEH, UETR, CTR and decode using moshell and analyze and provide the route cause and solutions

Daily activities included: monitoring daily stats & alarms, analyzing BO reports, sending out KPI reports to customer, troubleshooting site issues and making performance enhancement recommendations to improve the network KPIs

Other detailed optimization activities included neighbor tuning, downlink power/code congestion identification, UL RSSI/ external interference troubleshooting, Iub congestion reporting, IRAT failures, low HSDPA/ EUL throughput, CS/PS drop calls and performing necessary parameter audits to ensure network integrity

Performing feature trials and sharing pre-post analysis with customer

Used Mentum Planet for Ooredoo/Qtel design project of Myanmar.

Design project set up and site database preparation

Map file conversion from old planet format to new (*.grc and *.grd) and verification of quality specification (resolution and correctness of information)

Antenna beam pattern verification with Antenna tools

Design database maintenance using data manager

Design Parameter (loss factors, channel powers) optimization

Propagation model tuning and estimation from drive test data

Ericsson, Indonesia Jan 13 – Mar 13

Exp. Service Engineer (3G)

Determination of height, azimuth and tilt of new triband antenna replacing three different band antennas using ECO (Ericsson Cell Optimizer).

Designing physical parameters for new cells

Detecting coverage holes and proposing new candidate sites

Ericsson, Bangladesh Nov 10 – Jan 13

Exp. Service Engineer (2G)

KPI, Parameter and formula mapping and negotiation with customer during swap projects.

KPI owner of different BSCs and Data Dimensioning

Proposing features and related parameters to be activated

Network optimization through xACP and xAFP

ZTE, Bangladesh Mar 10 – Nov 10

RNP/O Engineer (WiMAX)

Planning and Optimization of WiMAX network of Banglalion.

Planning Preamble index, UL-Permbase, Page Group and Cluster for new sites

Configuring RF parameter, Neighbor and Neighbor related parameters (HO, Trigger) for sites of Dhaka and Chittagong in Data Center OMC.

Tracing problems of sites (interference, HO, low Throughput) by Netneumen

Creating simulation of on air and planned sites using Aircom ASSET

Huawei, Bangladesh Apr 08 – Mar 10

RNP/O Engineer (2G)

Analyzing KPI to measure network performance and improve the performance through tuning various CS and PS parameters both BSC and cell wise.

Identify problems of operator raised worst cells (coverage hole, low mpd, high congestion & edge problem) and optimize those cells

Designing expansion plans for cells on the basis of built capacity and statistics

Ensuring proper data configuration and performance check of major KPIs at swap night. Provide instant solutions to raised problems

Performing Nominal Planning, Area Survey, RF survey

Education

Master of Engineering (Electrical - Electronics & Telecommunication) from University Technology Malaysia, Malaysia for the Year 2008, CGPA: 3.88 out of 4.00

Bachelor of Science in Computer Science & Engineering from Khulna University of Engineering and Technology, Bangladesh for the Year 2004, CGPA: 3.45 out of 4.00

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