Rf Design Engineering

BALAKRISHNA BHUMIREDDY

Ph: 1-425-***-****, Email: *************@*****.***

PROFESSIONAL SUMMARY:

• Telecom professional with extensive experience in RF design, planning, optimization, and performance management of wireless networks (5G, LTE, UMTS).

• Extensive experience in design, planning of 5G/4G/3G networks by using ATOLL and Planet Tools.

• Knowledge and experience Designed and optimized in-building DAS networks using iBwave Tool.

• Strong understanding of RF propagation principles, RF engineering tools, system dimensioning, coverage and capacity analysis, link budget analysis, network performance engineering, cellular and antenna theory. Skilled in executing network performance improvement (KPIs) and optimization tasks.

• Extensive experience drive testing and Analyzed drive test data using TEMS, Actix, X-Cal, and X- Cap tools to identify and resolve radio network issues.

• Performed end-to-end 3G/4G network optimization to improve KPIs including throughput, call drop rate, and handover success rate.

• Supporting the submission of FCC filings, including E911 checks.

• Proven track record of designing, planning, and optimizing mobile networks in multi-vendor and multi-technology environments, with a focus on RF consulting, RAN design, optimization, and performance management.

• Conducted detailed RF coverage analysis using ArcGIS for 5G networks to support new site planning and network optimization.

• Experience in Monitored systems and networks to detect and diagnose potential outages or performance issues and Analyzed system and network logs to identify root causes of problems.

• Provided remote technical assistance to field teams and ensured fieldwork was executed without impacting network health

• Monitored systems and networks to detect and diagnose potential outages or performance issues and Analyzed system and network logs to identify root causes of problems.

• Worked as a team member in designing a CBRS trial project and AMBIT projects by using the Planet tool.

• Possess extensive hands-on experience working with multi-vendor telecom equipment and technologies from leading OEMs, including Ericsson, Nokia Siemens Networks (NSN), and Samsung with proficiency in configuration, integration, troubleshooting, and performance optimization across 3G, 4G, and 5G networks.

• Experienced in testing and developing wireless systems (DECT systems, digital microwave systems) and RF components (duplexers, power amplifiers, power combiners, antennas, LNA, and MHA). KEY SKILLS:

• Extensive experience in designing 5G/4G (LTE, VoLTE) and 3G (UMTS) networks by using ATOLL, Planet Tools.

• Skilled in radio propagation model tuning and link budget analysis.

• Experienced in RFDS and CIQ preparation.

• Proficient in Monte Carlo simulations and PCI planning.

• Experience in designing CBRS trial project and AMBIT projects by using Planet Tool.

• Designed and optimized in-building DAS networks by using iBwave Tool.

• Proficient in optimization of LTE, UMTS, and GSM networks.

• RAN planning and optimization and Network performance analysis.

• Optimized 5G NR / LTE networks to improve coverage, throughput, and mobility KPIs.

• Analyzed drive test data and OSS KPIs using X-CAP, TEMS, Actix Tools.

• Enhanced performance of 5G features like beamforming and massive MIMO.

• Performed PCI planning, interference analysis, and cell parameter optimization.

• Strong working knowledge with RF Data collection and analysis tools.

• Skilled in drive test log file analysis and optimization of existing and new sites.

• Expertise in PIM analysis, MPiLOT scheduling, and analysis.

• Monitored systems and networks to detect and diagnose potential outages or performance issues and Analyzed system and network logs to identify root causes of problems.

• Hands-on experience with multiple vendor equipment, including Ericsson, NSN, and Samsung.

• Proficient with Ericsson OSS/AMOS, Nokia NetAct, and Samsung. RF TOOLS:

• Proficient RF planning and optimization tools: ATOLL, Mentum Planet, Asset, Atoll-ACP, AFP, iBwave.

• Skilled in drive test and data analysis tools: TEMS, Agilent, NEMO Outdoor & Analyzer, Nokia Optimizer, Actix Analyzer, XCAP, Windcatcher, RF Master.

• Experienced in MapInfo Professional, QGIS, ArcGIS, Google Earth, Alteryx, Tableau and Siterra, Autoforms.

• Proficient in network management systems: Ericsson AMOS, Nokia NetAct and Samsung. COMPUTER SKILLS:

• Proficient in Microsoft Windows 10 and MS Office, including Word, Excel, PowerPoint, and Visio and Google sheets.

TRAININGS:

• 5G Design, system overview and Network Architecture and Optimization.

• VoLTE Prelaunch and Post launch Optimization.

• LTE parameter Optimization.

• MATLAB, SQL and PYTHON.

• IOT Basics and SDN basics.

• DAS and Inbuilding design.

EDUCATION :

• Bachelor Degree in Electronics and communication engineering from Indian Intuition of Engineers, Kolkata (India).

• 3 Years Diploma in Electronics and Communication engineering from Polytechnic College, Andhra Pradesh (INDIA).

PROFESSIONAL EXPERIENCE:

Dish Network LLC, Littleton -CO Jun 2020 – Mar 2025 Senior RF Engineer (RF Design & Optimization–5G Network)

• 5G design for new sites at a national level across U.S. markets by using Planet Tool.

• Performed radio propagation model tuning for various markets in low-band and mid-band frequencies.

• Calculated design network KPIs, including RSRP, SINR, maximum throughput, and spectral efficiency.

• Optimized newly planned sites by using ACP Tool adjusting site height, Azimuth, and tilt to enhance coverage and improve SINR.

• Run MonteCarlo simulations and Calculate network KPIs.

• RAN planning and optimization to improve coverage, capacity, and user experience.

• Network performance analysis using advanced analytical tools and techniques.

• Provided support to local market RF engineers, resolving market-level issues.

• Worked as a team member in designing a CBRS trial project and AMBIT projects by using the Planet tool.

• Optimized 5G NR networks to improve coverage, throughput, and mobility KPIs.

• Analyzed drive test data and OSS KPIs using X-CAP and TEMS Tools.

• Tuned handover parameters and mobility settings to reduce call drops and handover failures.

• Enhanced performance of 5G features like beamforming and massive MIMO.

• Performed PCI planning, interference analysis, and cell parameter optimization.

• Delivered regular reports and recommendations to improve network performance.

• Designed and optimized in-building wireless systems (DAS, small cells) by using iBwave Tool to meet coverage, capacity, and performance requirements.

• Performed link budgeting, propagation modeling, and prediction analysis using iBwave Tool for venues including commercial buildings.

• Developed and maintained RF design engineering guidelines and MOPs for both national and local market RF teams.

• Create and maintain CIQ (Carrier Information Questionnaire) for 5G/NR sites like Site ID, Sector Info, Frequency, Bands, PCI, Transmission Power Neighbor list etc.

• Review existing site hardware configurations and determine necessary modifications.

• Created traffic maps using data from the 2020 Census.

• Conducted detailed RF coverage analysis using ArcGIS for 5G networks to support new site planning and network optimization.

• Supporting the submission of FCC filings, including E911 checks.

• Visualized drive test data and network KPIs in ArcGIS for performance benchmarking and cluster- level optimization.

• Conducted testing and evaluation of new Planet releases and Coordinated with the InfoVista technical team to resolve Planet tool tickets and support local market teams.

• Involved in small cell design to improve indoor coverage and throughput within buildings. Tech Mahindra Network Services (Americas) Inc April 2014- May 2020 RF Engineer (RF Design & Optimization–4G Network)

AT&T Project - South Field, Michigan

May 2018 - May 2020

• Developed RF designs for new LTE sites and performed design validation for LTE carrier additions using the Atoll tool, documenting RSRP plots for spectrum border sites.

• Performed daily Atoll operations, including new builds, modifications, translations, power settings, and activation.

• Proficiency in Nokia AirScale solutions for efficient RAN deployment and management.

• Planned and configured NOKIA/ERICSSON BBU setups (4G/5G) for sites based on the number of carriers.

• Executed 5G scripting, integration, activation, and RET provisioning for Nokia 5G NR 850.

• Conducted PIM analysis, MPiLOT scheduling, and analysis.

• Review existing site hardware configurations and determine necessary modifications.

• Designed and optimized FWLL sites (WCS band) to enhance indoor coverage and capacity.

• Prepared reduced tower load configurations using dual-band radios and antenna setups for structurally limited sites and issued RFDS upon market approval.

• Designed and optimized in-building wireless systems (DAS, small cells) by using iBwave Tool to meet coverage, capacity, and performance requirements.

• Performed link budgeting, propagation modeling, and prediction analysis using iBwave Tool for venues including commercial buildings.

• Optimized 4G networks to improve coverage, throughput, and mobility KPIs.

• Analyzed drive test data and OSS KPIs using TEMS Tools.

• Supporting submit FCC filings accurately and on time including E911 Checks.

• Tuned handover parameters and mobility settings to reduce call drops and handover failures.

• Conducted RF surveys, floor plan analysis, and zoning for LTE, 5G, and Public Safety DAS deployments.

• Create and maintain CIQ (Carrier Information Questionnaire) for LTE sites like Site ID, Sector Info, Frequency, Bands, PCI, Transmission Power Neighbor list etc.

• Conducted detailed RF coverage analysis using ArcGIS for LTE networks to support new site planning and network optimization.

• Integrated ArcGIS with MapInfo and Atoll outputs to enhance geospatial analysis for site selection and RF footprint evaluation.

• Used RF Master to create 2D/3D predictive RF exposure models for macro and small cell sites. RF Engineer (RF Design & Optimization–4G Network)

Sprint Project - Reston, VA

Sep 2017 – April 2018

• Performed RF Designs using the Atoll Tool across multiple U.S markets, providing comprehensive statistics and analysis for current and future network

• Performed RF designs using the Atoll tool across multiple U.S. markets, providing comprehensive statistics and analysis for current and future network views.

• Performed daily Atoll operations, including new builds, modifications, translations, power settings, and activation.

• Conducted Monte Carlo simulations and calculated network KPIs such as RSRP, RSRQ, average throughput, and SINR.

• Executed ACP (Automatic Cell Planner) on future view designs to enhance network performance KPIs.

• Utilized planning tools to maximize coverage, capacity, and performance of LTE/VoLTE networks.

• Designed and optimized LTE triband networks (Ericsson/Nokia/Samsung) for Sprint.

• Assessed coverage challenges and capacity requirements, creating traffic maps for various U.S. markets.

RF Engineer (RF Optimization–4G Network)

AT&T Project-East and North East Markets

Nov 2015 – Aug 2017

• Conducted RF data analysis and pre-launch optimization for new LTE network sites.

• Diagnosed and resolved wireless networking issues within the LTE network, including drive route preparation.

• Performed post-launch optimization of existing and new sites by adjusting power, antenna tilts, and load to achieve RSRP, RSRQ, SINR, and throughput targets.

• Made adjustments to power, EDT, load, and other LTE parameters using Ericsson OSS/AMOS and ALU SAM.

• Collaborated with the system performance team to evaluate coverage issues and address requirements for coverage and capacity cells.

• Optimized 4G networks to improve coverage, throughput, and mobility KPIs.

• Analyzed drive test data and OSS KPIs using TEMS Tools.

• Tuned handover parameters and mobility settings to reduce call drops and handover failures.

• Performed PCI planning, interference analysis, and cell parameter optimization.

• Monitor systems and networks to detect and diagnose potential outages or performance issues

• Analyze system and network logs to determine root causes of problems.

• Provide remote technical assistance to field teams and ensure fieldwork is implemented without impacting network health.

RF Engineer (RF Design & Optimization–4G Network)

Sprint Project- Overland Park, KS

Jan 2015 – Oct 2015

• Planned and designed new LTE network (4G) sites across multiple U.S. markets using the Mentum Planet tool, leveraging traffic growth trends and market predictions.

• Performed VoLTE gap analysis between CDMA and LTE footprints to identify coverage disparities.

• Calculated design network KPIs, including RSRP, RSRQ, average throughput, and SINR, optimizing new and existing sites by adjusting site height, antenna model, azimuth, tilt, and LTE parameters.

• Designed and optimized LTE triband networks (Ericsson/Nokia/Samsung) for Sprint.

• Conducted carrier aggregation analysis for LTE FDD and LTE TDD sites, submitting final results to the Sprint RF engineering team for review and approval.

• Used RF Master to create 2D/3D predictive RF exposure models for macro and small cell sites. RF Engineer (RF Design – 4G Network)

AT&T Project- Redmond-WA

April 2014- Dec 2014

• Executed RF design of the 4G network (LTE) using the Atoll tool.

• Prepared RF Data Sheets (RFDS) and performed bulk uploads into the Autoform tool.

• Review existing site hardware configurations and determine necessary modifications.

• Conducted Monte Carlo simulations to calculate key network KPIs, such as RSRP, RSRQ, and SINR.

• Optimized both existing and newly planned sites using the Atoll-ACP tool, focusing on pre-launch optimization of new LTE sites.

• Supporting submit FCC/FAA/FAS filings accurately and on time including E911 Checks.

• Performed daily Atoll operations, including new builds, modifications, translations, power settings, and activation.

Nexius solutions, Inc Sep 2010 – Oct 2013

RF Capacity Engineer (RF Design & Capacity Planning-3G Network) AT&T Project, Nexius project- San Francisco & Sacramento

• Designed capacity sites and added carriers based on network capacity analysis and market predictions.

• Enhanced site capacity by adding 60W radios, TX boards, and RAX boards. Analyzed Iub blocking and utilization (voice and data), adding T1s or migrating sites to IP when necessary.

• Prepared the 2Q11 DVCF using the RANFT tool and submitted it to AT&T HQ for approval.

• Monitored KPIs on a daily basis to improve UMTS network performance through parameter configuration and optimization.

• Conducted daily worst cell analysis focusing on KPIs such as RRC success, RAB success, DCR, IRAT HO success, PS RAB success, Iu-b congestion, CE congestion, code congestion, power congestion, and PS throughput.

• Managed Siterra tasks for FAA/FCC filings, including determining regulatory coverage boundaries for extensions and conducting reviews for site upgrades and modifications. LCC International, Inc. May 2008 – Sep 2010

Senior RF Engineer (UMTS- Design & Optimization)

AT&T Project, Ericsson Project-Atlanta-GA, Chicago-IL, Mclean-VA

• Design new sites and infill sites existing UMTS Network by using Atoll Tool.

• Prepare RFDS. Neighbor List Creation for Designed Sites.

• Run the MonteCarlo Simulations and Calculate design network KPI like Ec/Io, Pilot Pollution, Effective Coverage Area and Average HSDPA Throughput etc.

• Drive Test Analysis and Optimization of Existing & New Sites.

• Monitor UMTS Network KPI and suggest changes like antenna tilt, orientation, neighbor list tuning etc for optimizing the network by using COPS tool.

• Monitoring the KPI on daily basis and improve UMTS Network performance by tuning Parameters. Prithvi Information Solutions LLC Mar 2007 – April 2008 RF Engineer (GSM & UMTS-Design)

T-Mobile Project & NSN Project

• Designed and planned new sites and infill sites using the ASSET tool.

• Prepared RF Data Sheets (RFDS) and provided final approval for construction diagrams based on RFDS specifications.

• Monitored BSS parameters and alarms for newly integrated sites, analyzing drive test data to improve site health index (KPI).

• Analyzed network performance statistics, including SDCCH and TCH congestion, drop call rate, handover success rate, TCH assignment success rate, and call completion rate, identifying root causes and implementing corrective actions.

• Evaluated antenna sweep data results and updated work order status using the HOMER tool. Nokia (India) Pvt LTD Jun 2005 – Feb 2007

RF Team Leader (GSM Planning & Optimization)

Airtel-Bharti Project

• Designed GSM networks with a focus on coverage and capacity optimization.

• Performed frequency planning to enhance network performance and minimize interference.

• Analyzed drive test data and optimized sites based on DT results.

• Improved network performance by analyzing reports from the NOC and making necessary adjustments.

• Conducted drive and coverage tests to comply with government regulations (TRAI and TEC) related to network coverage and quality performance.

Converge labs (India) Pvt LTD Aug 2000 – May 2005

Senior Project Engineer (Ericsson, Nokia, China Telecom and Vietnam Telecom Projects)

• Conducted CW (Continuous Wave) testing and collected cluster data for analysis.

• Performed radio propagation model tuning for various clusters to optimize network performance.

• Planned and implemented GSM networks, including RF site surveys and site selection for GSM networks.

• Developed drive test routes for the optimization of new and existing sites.

• Planned and implemented In-Building Solutions (IBS) for GSM networks, optimizing IBS based on walk test results.

• Testing of Various cards of DECT system and Multi Access Rural Radio (MARR) system.

• Testing and Development of Duplex filters (Cavity, Can & ID), band pass & Band Reject filters, Comb line filters, Notch Filters in the frequency range of VHF to Microwave.

• Testing and Development of Isolators, Low Noise Amplifiers, Power combiners and Dividers in the frequency ranging from VHF to 2.5G.Hz.

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