Engineer Operator

Ranjith Yennamaneni

**** ******* **** **, ******, OH. 43016.

Email: ******@*****.***

Phone no: 214-***-****

EXPERIENCE SUMMARY:

Over 7 years of hands-on experience and strong technical knowledge of wireless standards such as (VOLTE, LTE, UMTS, W-CDMA, CDMA, GSM).

Thorough understanding of radio network concepts and its performance.

Thorough understanding of RF concepts and Layer3 messages.

Well-Experienced in RF analysis tools and drive test tools.

Expertise in data processing tools like Actix, Actixone 3.2.5 and 3.2.6.

Expertise in design tools like ASSET, and In-Site.

Responsible for leading all RF Planning & Optimization of GSM/CDMA/UMTS/LTE for Pre-launch and Post-launch activities and setting up KPI process.

Expertise in RF Optimization Test Equipment and tools like TEMs Investigation and Agilent E6474A.

Created Drive routes using MAPINFO and Microsoft Streets and Trips.

Thorough understanding of NOKIA OSS & BTS element manager.

Ability to prioritize multiple tasks to completion.

Comprehensive, in-depth experience in special drives and conceptual engineering.

Excellent EXCEL Skills, including VBA, use of ranges and XML import and export.

Excellent Verbal and Written Communication Skills have proven to be high effective in interfacing across business and technical groups.

TECHNICAL EXPERTISE:

Professional Tools : TEMS Investigation, MapInfo, PathLoss 5, Microsoft Streets and Trips, Agilent E6474A, Nokia OSS, BTS Site Manager, SORT, Asset, In-Site, Homer, Actix, T-PIM, Liberty Server, TrueCall, MS Office, Excel.

Networking : LAN/WAN, TCP/IP, SNMP, Ethernet, Switches and Routers.

Wireless Networks : FDMA, TDMA, CDMA, W-CDMA, UMTS Technologies, GSM, LTE.

WORK EXPERIENCE:

RF Design & Optimization Engineer 04/12-Present

Operator: T-Mobile (CCP Market)

Location: Columbus, OH.

Responsibilities:

Plan and design of wireless networks for T-Mobile in CCP Market for establishment of LTE.

Working on day to day optimization and troubleshooting the customer trouble tickets.

Optimization of Antenna Height & Tilt to improve coverage and reduce pilot pollution with radio planning tools, and Asset.

Use Actix and MapInfo to identify undefined neighbors and to add or remove neighbors for network optimization.

Modernized the existing network for LTE(2100, 1900 & 700) & UMTS (PCS & AWS).

Experienced with different configurations to modernize the existing network and new sites development.

Thorough understanding of NOKIA OSS & BTS element manager.

Thorough understanding of creating and provisioning CM Plans.

Performed Pre & Post launch KPI audits for all technologies (GSM, UMTS, LTE).

LAC-TAC audits for LTE sites.

RET audits and Validations.

Planning new site locations for each phase of UMTS/LTE deployment. Using planning tool ASSET, digital maps and population statistics selecting the best geographical location for site.

Preparing RFDS based on the site configurations and creating CIQ’s for the existing network to launch LTE.

Updating SORT & ASSET accordingly for GMLC validation.

Re-scoping all the existing sites to prepare for their launch of LTE

Determine the new Plumbing diagrams of each site for upgrading all of the base station cabinets to be near each antenna array that will also be fully replaced using Microsoft Visio.

Generated Coverage in ASSET to prepare RFJP.

Thorough understanding of building new sites in ASSET based on the site configuration.

Work collaboratively with team members and Network Managers to achieve common goals, while maintaining responsibilities and commitments.

Ability to sort and resolve complex issues in an organized manner.

Routine monitoring and review of radio network Key Performance Indicators (KPI) by using TPIM.

Uses solid RF Engineering principles and planning tools to maximize coverage, capacity, and performance of GSM, UMTS & LTE radio network.

Implementation of new features and network parameter optimization.

Monitored cell reselection, Drop Calls (PS and CS) SHO, IFHO, RAT and fine-tuned the parameters to improve the call statistics.

Work with other engineers and operations to address discovered issues.

Participation with federal, state and local jurisdictions to insure regulatory and zoning compliance.

Provide Engineering Support to Sales / Customers.

Evaluates capacity requirements of radio network and works with other departments to meet growth needs.

Used EXCEL Programming to store the data as well as enabling read-write capabilities for already stored data.

Strong communication skills written and verbal reliability and strong organizational skills.

Microwave LOS 01/12-04/12

Project Lead

Operator: MetroPCS

Location: Fairfield, NJ.

Responsibilities:

Manage and Lead all NJ LOS Survey activities related to deployment of Microwave backhaul. Design consisting of over 400 Microwave links.

Conducting LOS Surveys for possible far end candidates.

Abilities to effectively develop and manage the project plan with the aid of MS Excel & MS Project.

Proper Monitoring of tasks, milestones & timelines to ensure project stays on track.

Microwave link design with 99.999% availability & specified topology using TEMS, PathLoss 5 and MapInfo.

Dimensioning and capacity planning based on distance matrix and available equipment.

Development/delivery schedule, resource requirements and integration efforts.

Abilities to drive the Teams to achieve within a schedule timeline.

Set goals, objectives and priorities assigns and reviews work, resolves conflict.

Extensive knowledge of PathLoss 5 and MapInfo.

RF Engineer 10/11-01/12

Operator: AT&T

Location: Dallas, TX.

Responsibilities:

Optimization of wireless networks and establishment of UMTS/W-CDMA Network using TEMS for AT&T.

Optimizing of the sites till we achieve desired KPI’s as per set standards.

Post-process Drive logs- Verify, Analyze & Generate Reports.

Finding Blocked calls, SHO & IRAT HO failures, Dropped call & abnormal network behavior through Level3 message analysis.

Troubleshooting the controlled data in the network, overshooting cells, coverage holes, and areas of poor pilot dominance.

Studying of various reports generated for the sites as well as logs for any alarms in the site.

Preparing drive routes based on coverage predictions using MapInfo and Microsoft Street & Trips.

Strong communication skills written and verbal reliability and strong organizational skills.

RF Engineer 05/11-10/11

Operator: T-Mobile

Location: Columbus, OH.

Responsibilities:

Plan, design and optimization of wireless networks for T-Mobile in Columbus for establishment of Dual Carrier HSPA+ UMTS/W-CDMA.

Analyzing and Monitoring of Blocked calls, Dropped calls, Checked Calls, Established calls, Pilot Pollution, Network Congestion and KPI testing.

Maintaining Handover & Other parameters for meeting KPI’s.

Identification of site installation issue, overshooting cells, coverage holes, areas of poor pilot dominance, scrambling code plan collisions and providing recommended changes.

Monitoring site database including Site ID, Cell ID, Node B Type, Location, and No. of Sectors, Antenna type, Antenna Height AGL, Azimuth, Mechanical and Electrical Tilt (RET), and alarm checks using T-PIM.

Optimized existing network by Addition/Deletion of neighbors using NOKIA OSS and recommending possible solutions to hardware problems.

Recommended site upgrade such as down tilting of antennae and new site additions to client for increasing performance of the network.

HSDPA throughput analysis and rectifying related slow throughput problems.

Took part in the market drives and also E911 testing and was involved in stationary testing (S16) of various Dual carrier UMTS sites like Scope 15 and Scope 17 drives.

Preparing drive routes based on coverage predictions using MapInfo and Microsoft Street & Trips.

Monitor and review of launched wireless networks for its efficiency.

RF Engineer 11/10-05/11

Operator: AT&T (Ericsson)

Location: Dallas, TX.

Responsibilities:

KPI analysis and Optimization of existing and new networks for call drop, pilot pollution, handover and handoff problems, server inconsistencies problems, cell breathing etc...

Finding Blocked calls, SHO & IRAT HO failures, Dropped call & abnormal network behavior through Level3 message analysis.

HSDPA/HSUPA throughput analysis and rectifying related slow throughput problems.

Actively performed various drives using Agilent NITRO and TEMS Investigation 10.1.2.

Planning and Optimization of existing 3G network to reach/maintain target KPI’s.

Work collaboratively with team members to achieve common goals, while maintaining responsibilities and commitments.

Ability to sort and resolve complex issues in an organized manner.

Used EXCEL Programming to store the data as well as enabling read-write capabilities for already stored data.

Strong communication skills written and verbal reliability and strong organizational skills.

Associate RF Engineer (project Coordinator) 02/10-10/10

Operator: T-Mobile

Vendor : Nokia

Location: Richmond, VA.

Responsibilities:

Actively controlled and coordinated 3 drive test teams in Richmond for T-Mobile.

Identification and Analysis of Coverage deficiency in key areas based on customer complaints, poor retention and call drops.

Extensively used TEMS report Generator and MapInfo for Report creation.

Took part in the market drives and also E911 testing and was involved in stationary testing of various UMTS sites.

Participated in drive test using TEMS 8.2 and analysis of drive data and making drive report.

Performed Walk Test for Radio Network Coverage.

Experience in performing various drives such as the HSDPA, IRAT and R99.

Responsible for modifying and enhancing Microsoft Excel-based reporting tool built upon Macros and Visual Basic.

Associate RF Engineer 09/08-01/10

Operator: T-Mobile

Vendor : Nokia

Location: Tampa, FL.

Responsibilities:

Optimization of wireless networks and establishment of UMTS/W-CDMA Network using TEMS for T-Mobile.

Performed KPI, IRAT & DAHO testing.

Network testing and data collection using TEMS 8.0.2 & TEMS 7.0.

HSDPA & R99 performance monitoring.

Used MapInfo, Street Atlas and Microsoft Streets and Trips for drive test route planning.

UE benchmarking to compare reception difference between Test & Market phone.

Troubleshooting the controlled data in the network, overshooting cells, coverage holes, and areas of poor pilot dominance.

Monitoring call failures, origination failures, handoff features, verifying intracellular handoff clockwise and anti-clockwise.

Experience rebuilding EXCEL Reporting applications.

Associate RF Engineer 03/08-08/08

Operator: T-mobile

Vendor : Nokia

Location: Birmingham, AL.

Responsibilities:

Took an active part in the launch of UMTS network for T-Mobile in Birmingham, AL.

Used TEMS Investigation and MAPINFO for testing the UMTS network.

Performed various drives such as HSDPA, IRAT and R99 drives.

Took part in the market drives and also E911 testing.

Was involved in stationary testing of various UMTS sites.

Was involved in preparing the training manuals and necessary documentation of the projects after the development.

Helped in performing testing at different levels of the network.

Actively took part in troubleshooting the equipment.

Was troubleshooting the issues of TEMS Investigation of all the teams involved.

EDUCATIONAL QUALIFICATIONS:

Masters in Electrical Engineering, 2007 – 2008.

Gannon University, Erie, PA. (GPA 3.45/4.0)

Bachelors in Electronics & Instrumentation Engineering, 2001 – 2005.

Kakatiya University, India. (Average – 65.5%)

REFERENCES: On Request.

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