ARUN BABU
ATLANTA,GA
Summary
Focused RF Engineer working directly with customers to develop and implement RF product solutions. Operates in team environment, creatively interacting with team members to guide projects towards production of functional, reliable equipment. More than 10 years of experience pursuing precision in product development.
Overview
14
14
years of professional experience
Work History
Senior RF Engineer
SmartSky Networks
08.2021 - Current
- Working on innovative air-to-ground network
- Monitoring spectrum reuse, advanced beamf orming technologies and 60 MHz of spectrum for significantly enhanced connectivity
- Working on inflight Wi-Fi and data communications experience for business aviation
- Conducting and coordinating air to ground drive test.
- Have performed air to ground drive test for the entire state of US.
- Conducting optimization & KPI monitoring.
- Implementing new software release for the entire CONUS.
- Cell parameter optimization.
- Responding to INOC calls and closing the tickets.
- Daily site monitoring for the entire CONUS.
- Coordinating with field team for end to end site integration.
- Conducting beam mapping activity.
- Works closely with Product team for conducting demo.
- Works with field network team for clearing the alarms, equipment replacement and installation.
- Providing weekly customer flight analysis to C-Suite.
- Preparing the weekly and monthly report with recommendation for all the customers.
- Co-ordination with product support team for installing router/antenna for new customers.
- Conducting pre-post analysis for the new customers.
- Ensured reliable signal transmission with thorough testing, validation, and troubleshooting of RF components.
- Prepared technical white papers, proposals and customer presentations, delivering presentations to senior management and customer community to explain technology implementations.
- Assessed problem severity to determine corrective action, recommending resolutions to technical problems through fault isolation techniques.
- Analyzed project requirements, developing specifications and modeling proposed designs to evaluate performance and ultimately create high-functioning technology.
- Developed customized simulation models for accurate prediction of RF propagation in various environments.
- Optimized RF network performance by conducting detailed analysis and implementing effective solutions.
- Continuously monitored network performance with sophisticated tools, identifying areas for improvement in real-time.
- Maintained up-to-date knowledge of industry trends, ensuring cutting-edge solutions in all projects undertaken.
- Established strong working relationships with vendors, ensuring timely delivery of high-quality products at competitive prices.
- Increased customer satisfaction by promptly addressing technical concerns related to radio frequency systems.
- Performed site surveys to gather critical data for the design and optimization of wireless networks.
- Demonstrated exceptional problem-solving skills in resolving complex technical issues encountered during the course of work.
- Reduced interference issues through meticulous frequency planning and spectrum management strategies.
- Delivered comprehensive training programs on RF engineering principles to new hires and colleagues alike.
- Boosted system efficiency by streamlining processes for RF optimization and drive-testing activities.
- Assisted in installation of electrical systems and components for commercial and industrial applications.
- Monitored installation and operations to consistently meet rigorous customer requirements.
RF Engineer
Verizon
12.2018 - 08.2021
- Maintain network by availability of network elements
- Analyze the network availability gap and drive the actions
- Conduct drive test and on basis of analysis create action plan
- Ascertain timely delivery of material at sites Check key network performance indicators and take corrective measures Conduct acceptance tests and quality audits on regular basis Lead and supervise field engineers to ensure desired productivity
- Identify vulnerable operational fiber routes
- Ensure data accuracy and synchronization across all systems/ tools Work at NOC for network monitoring
- RF Planning
- IVR testing Commissioning and Integration of 4G,3G and 2G Experience with macro and small cell nominal
- Used MapInfo for coverage optimization
- Prediction design for coverage using Atoll and Planet AV
- Used tools like Fuze SPM, Fuze Planning, and Fuze Reporting
- Working in troubleshooting of BTS and Antenna
- Troubleshooting of RSSI, Power, EVM
- Wi-Fi and IBS integration
- RF test setup for debugging
- RF systems design
- Working knowledge of drive test data post-processing, map generation, frequency planning and interference matrix analysis and site database maintenance, using Actix
- Coordinating with Fiber Optic team
- Coordinate with vendor teams for timely deployment of network elements
- Worked directly with RE on prioritizing candidates and attended necessary implementation meetings prior to site walk
- Carryout periodic site surveys for new sites rolled out and capacity expansion Alarm closure for network elements by coordinating with relevant stakeholders
- Coordinate with maintenance points and field repair technicians to upkeep the network uptime Validate open actions against trouble tickets received from NOC and ensure timely closure of trouble tickets Analyzed the issues, reported and tracked the bugs in JIRA
- Verify the integration of various components in the application and execute end-to-end testing
- Participate in Release Review/Requirement Analysis and Design review meetings
- Daily Monitoring of Cell wise & BSC wise BBH & NBH performances stat reports
- Maintaining track of all KPI affecting Alarms and clearing the same on priority
- Frequency & Neighbor List Planning Advice augmentation of carriers based on the KPI reports
- Identifying the coverage patches
- New site integration
- Router Knowledge
- End to End implementation of Small Cells
- Optimization of Neighbor list by MCOM (ERICSSON)
- New Site planning –Physical parameters, Cell parameters, and Traffic planning
- Action plan and implementation of corrective measures for maintaining all KPI
- Monitor the network, checking the most important KPIs (accessibility, throughput, congestion, usage) and suggest change requests to improve the quality of the whole
- Planning various capacity augmentation activities for handling the traffic perks
- Post processing of collected drive logs files and report generations are done using TEMS Route analysis
- Preparing and comparing RxLev, RxQual, SQI and plots of pre optimization and post optimization drives using MAPINFO
- Expertise in drive Test using TEMS Investigation 9.1 and Genex Probe, analyze drive test log files
- Responsible of data analysis on problem areas such as call drops, missing neighbor analysis and call setup failure by analyzing layer messages on drive test log file
- Worked with real customers to understand needs and provide excellent service
- Carried out day-today duties accurately and efficiently
- Maintained excellent attendance record, consistently arriving to work on time.
RF Engineer
Jio Info COMM
06.2015 - 07.2018
- Maintain network by availability of network elements in Jio centers
- Analyze the network availability gap and drive the actions
- Conduct drive test and on basis of analysis create action plan
- Ascertain timely delivery of material at sites Check key network performance indicators and take corrective measures Conduct acceptance tests and quality audits on regular basis Lead and supervise field engineers to ensure desired productivity Identify vulnerable operational fiber routes Ensure data accuracy and synchronization across all systems/ tools Coordinate with vendor teams for timely deployment of network elements
- RF Planning
- Prediction design for coverage using Atoll, Planet AV, JCP Carryout periodic site surveys for new sites rolled out and capacity expansion Alarm closure for network elements by coordinating with relevant stakeholders
- Coordinate with maintenance points and field repair technicians to upkeep the network uptime Validate open actions against trouble tickets received from NOC and ensure timely closure of trouble tickets Analyzed the issues, reported and tracked the bugs in HP service manager
- Working in troubleshooting of BTS and Antenna Troubleshooting of RSSI, Power, EVM Used MapInfo for coverage optimization
- Verify the integration of various components in the application and execute end-to-end testing
- Participate in Release Review/Requirement Analysis and Design review meetings
- Identifying poor coverage and quality patches, interference problems, handover failures, cell drags, neighbor relations, call drops, over shooting cells, swap issues and making action plan to resolve the same
- Do the physical optimization of the site, providing proper azimuth, tilt and height according to clutter and nearby sites
- Solving overshooting issues by tilting, height reduction and azimuth changes
- Solving sector swap and cable swap issues
- Resolving top priority Customer Complaints and Coverage Related Queries within specified time Limit
- Conducting TRAI DRIVES & TERMS EMF TESTS across Kerala circle
- Weekly reports on complaints & co-ordination of RF drive test engineer’s RF survey for New Towns and for coverage holes in the network of existing towns and their subsequent remedies in the form of new sites
- Choose proper location for site using Global Mapper
- Deciding GSM Antenna Height, Sector Orientation
- Maintaining a healthy relationship with distributer's, area sales managers & relationship managers of cluster to get random market requirements
- Test Execution Worked closely with Product Owners to attended Vision calls and elaboration calls to understand the complete requirements for functional, integration and database testing.
RF Engineer
Vodafone
11.2013 - 06.2015
- Performed various types of testing such as Sanity Testing, Functional testing Expertise in drive Test using Genex Probe, analyze drive test log files
- Identifying poor coverage and quality patches, interference problems, handover failures, cell drags, neighbor relations, call drops, over shooting cells, swap issues and making action plan to resolve the same
- Do the physical optimization of the site, providing proper azimuth, tilt and height according to clutter and nearby sites
- Solving overshooting issues by tilting, height reduction and azimuth changes
- Router Integration RF Planning
- Prediction design for coverage using Atoll and Planet AV Solving sector swap and cable swap issues
- Resolving top priority Customer Complaints and Coverage Related Queries within specified time Limit
- Conducting TRAI DRIVES across Kerala circle
- Using Spectrum Analyzer for finding the interference in the network
- Weekly reports on complaints & co-ordination of RF drive test engineers Coordination with RF engineers to clear customer complaints
- By reorienting GSM antenna based on Utilization & Performance of sector
- Drop report & Frequency Interference analysis of complaint location
- Maintaining 100% SLA for all the production activities Testing of All technical Complaints and Alarms
- Routing of Complaints to responsible Department
- Coordination with RF engineers and Switch engineers for resolving the issues timely.
RF Optimization Engineer
Docomo – BSNL
11.2012 - 11.2013
- Performed various types of testing such as Sanity Testing, Functional testing Expertise in drive Test using Genex Probe, analyze drive test log files
- Identifying poor coverage and quality patches, interference problems, handover failures, cell drags, neighbor relations, call drops, over shooting cells, swap issues and making action plan to resolve the same
- Do the physical optimization of the site, providing proper azimuth, tilt and height according to clutter and nearby sites
- Solving overshooting issues by tilting, height reduction and azimuth changes
- Solving sector swap and cable swap issues
- Resolving top priority Customer Complaints and Coverage Related Queries with in specified time Limit
- Conducting TRAI DRIVES across Kerala circle
- Weekly reports on complaints & co-ordination of RF drive test engineers Coordination with RF engineers to clear customer complaints
- By reorienting GSM antenna based on Utilization & Performance of sector
- Drop report & Frequency Interference analysis of complaint location
- Maintaining 100% SLA for all the production activities Testing of All technical Complaints and Alarms
- Routing of Complaints to responsible Department
- Coordination with RF engineers and Switch engineers for resolving the issues timely
- Conducted user acceptance testing to ensure that developed systems satisfied the needs of business clients as specified in the functional requirements
- Prepare Test plan and System Integration test scenarios/cases Prepare Daily Status Report and attend defect triage meetings Attend defect triage meetings Prepare Test Summary Report.
Operations Associate
Cognizant Technologies
11.2010 - 11.2012
- Placed as Operation & maintenance Engineer (BMS) Experience in operating and maintaining software & hardware devices used in various sections of BMS, which include Access control system- P2000 V3.10(Johnson Controls) Closed circuit television system- Euro plex DVR (Siemens controls) The Operating System used for both ACS and CCTV are Windows Server 2008 and the storage technology used is RAID
- Fire alarm & public addressable system-Fireworks (Johnson controls) & EST panels HVAC management- Metasys ADS (Siemens controls) which includes Controlling of AHU, CSU, HRW, various fans & pumps
- Sensors such as differential pressure, carbon dioxide, relative humidity, dew point, carbon monoxide, indoor air quality
- Performed various types of testing such as Sanity Testing pre- production and Postproduction testing, usability testing Created the Test Plans and Test Cases from scratch based on the business requirements
- Analyzed the issues, reported and tracked the bugs Conducted user acceptance testing to ensure that developed systems satisfied the needs of business clients as specified in the functional requirements
- Prepare Daily Status Report and attend defect triage meetings Attend defect triage meetings Prepare Test Summary Report.
Education
Bachelor of Engineering - Electronics and Communications Engineering
Anna University
04.2010
Skills
- 5G
- 4G
- 3G
- 2G
- CDMA
- KPI analysis
- RF Planning
- Drive Test
- Beam Mapping
- Air Drive Test
- Operation & Maintenance
- Small Cell Planning
- NOC Engineering
- Backhaul Engineering
- New Site Integration
- Alarm Clearance
- Troubleshooting of RSSI, Power
- Router Integration
- Site restoration
- Availability Maintenance
- Equipment changes coordination
- RF Optimization
- Site Acquisition
- RF Designing
- Wi-Fi troubleshooting
- IBS Troubleshooting
- Link Budget Planning
- Selenium
- Python
- Ubuntu
- X shell
- Power Query
- Java
- C
- C
- MS office
- Excel
- KML
- Neighbor Planning and Tuning
- Detailed understanding of Layer 3 messaging
- Professional experience in IVR testing
- Good listening skills
- Team building
- Analytical skills
- Sales Support
- Excellent verbal and written communication skills
- RF troubleshooting
Accomplishments
- Active team member in launching Air-to-Ground Wi-Fi network for SmartSky Networks.
- Conducted Air drive test for the entire CONUS.
- Active team member in launching India's largest 4G network.
Languages
English
Native or Bilingual
Hindi
Native or Bilingual
Malayalam
Native or Bilingual
Tamil
Native or Bilingual
Timeline
Senior RF Engineer
SmartSky Networks
08.2021 - Current
RF Engineer
Verizon
12.2018 - 08.2021
RF Engineer
Jio Info COMM
06.2015 - 07.2018
RF Engineer
Vodafone
11.2013 - 06.2015
RF Optimization Engineer
Docomo – BSNL
11.2012 - 11.2013
Operations Associate
Cognizant Technologies
11.2010 - 11.2012
Bachelor of Engineering - Electronics and Communications Engineering
Anna University
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