SUMMARY OF QUALIFICATIONS

8+ Experience in the field of UMTS/CDMA/LTE network Optimization and testing.
Experience in debugging and troubleshooting of Android and Windows platforms.
Experience working with Qualcomm tools (log collection using QXDM)
Experience in 1x, CDMA/EVDO, LTE protocols.
Experience working with, MapInfo, X-cal, X-cap, e-DAT Actix spotlight. Analysis of coverage, pilot pollution, missing neighbor and event explorer.
Strong knowledge of KPI in cluster and market acceptance both in loaded and unloaded configurations.
Experience in Mobile Application testing on various operating systems iOS, RIM, Android, BREW, Windows e.g. Apple, Blackberry, Nokia.
Good hands on experience with TEMS Investigation 9.1.1 and 11.0 & Agilent 12.0 versions.
Excellent written and verbal communication skills.
Good understanding of physical, MAC, RRC layers.
Strong technical and work experience of QXDM.
Experience with acoustic measurement equipment.
Work experience with writing protocols from scratch
Manage the calibration program.
Good Understanding of Protocol stack components NAS and, AS.
Validate Equipment.
Testing/debugging of Mobile handset for LTE.
Knowledge of SIP calls flow and IMS concepts, TCP/UDP/RTP/RTCP protocol understanding.

SKILLS

RF Tools: Accuver X-CAL,X-CAP, Spot Fire, Mobile Meridian, Atoll, Actix, MapInfo, JDSU, TEMS, QXDM, QCAT, Wind catcher, TEMS, QCAT, eDAT, Agilent, Actix and MapInfo, Wireshark, windbg, Data Pro,JTAG, EVDO, NEMO Outdoors, Geo Plan, Delorme Street Atlas, Radio Mobile, Google Earth.
Protocols: GSM, UMTS, LTE.
Operating systems worked with are Windows 9x/NT/XP, UNIX.

EDUCATION

Master of Science in Information Systems, Coleman University, San Diego CA.

EXPERIENCE:
Device test Engineer, Realm IT Services.
San Jose, CA (Aug’15- Present)

Modem software's protocols/features, testing.
Collecting DATA and analysis of protocol stack (GSM /WCDMA / LTE) based mobiles.
LTE initial acquisition, CSFB, LTE IRAT, Inter/Intra frequency Handover test cases. 

Verifying LTE KPI's and reporting the issues seen. 

Support other field test teams with device issue reproduction, debugging the UE issues.
System level feature testing, test plans; executing test strategies and test plans, developing and automation of test scripts.
Field log analysis, troubleshooting/analyzing problems, optimizing system performance and improving the stability of the product
Responsibilities include system level feature integration and test, developing/executing test strategies and test plans, troubleshooting/analyzing problems, optimizing system performance and executing inter-operability tests.
Bring-up, triage and resolve defects in software.
Integrate and validate software subsystems to ensure they satisfy system level functional requirements and use cases.
Responsible for keeping track of issues raised by field testing team, monitoring the status of the issue, and close the issue after it is resolved, tracking the test reports, and provide support to the development team in reproducing and reporting issues.
Responsible for going through the analysis of the issues which has been raised by the field testing team and to provide support to the field test engineers.
Oversaw all aspects of exploratory bug testing and load testing of Smartphone and tablet apps
Tested variety of mobile applications on Android and iOS devices

RF Engineer –
OEM/ Samsung Telecommunications, San Jose, CA Dec 2014– May 2015.
Carrier - Sprint

Perform analytical & investigative activities related to CDMA, EVDO, networks for Sprint/Samsung in CA market.
Radio optimization, parameters consistency check, monitoring of KPI’s and maintenance of performance and quality of service.
LTE site /cluster level optimization (throughput testing, Intra/ Inter eNodeB handover testing, latency, call success testing, PCID and RACH verification, Interference control, Handover parameters optimization). 
Coverage improvement using RET changes, Antenna diversity, call selection and reselection threshold.
Interference control thereby improving SINR, CQI and improving DL/UL throughputs.
Analyzing drive test results for call drops/blocks, coverage issues, network traffic, throughput, sector swaps, congestion and interference.
LTE:
Analyzing LTE new site drive test data (DL throughput, UL Throughput, Latency, RSRP, RSRQ, SINR, Swap) and provide proper resolution of non-meeting KPI.
Analyzing LTE cluster report and provide resolution for weak coverage and drop rate 
LTE load balancing between sites by physical optimization. 
LTE Worst Cell Analysis & recommendation for improving KPI
Prepare weekly LTE top offender workbook and optimize the traffic and performance (RET, low/high cap settings)
Regular audits of recommended parameters. 
RF tuning with antenna tilt adjustments (RET) electrical as base on RSSI data collected and verified on site base on Google Earth data site tool for antenna propagation on azimuth modification calculation on projected effective distance, antenna coverage 
Create Cluster drive reports, identify areas with high drops and poor RSRP/RSRQ, pilot pollution, missing neighbors, overshooting sectors for down tilt, analyze various RF parameters including RSRP/RSRQ, UL and DL throughputs, handover failures, attach failures and session errors
Collecting data from drive test teams and data post-processing, map generation, site database maintenance, resolving issues.
LTE Shakedown and Pre launch Single cell Drive test reports analysis during ATP.
CDMA/EVDO:
KPI monitoring and control as per the service level Agreement.
Monitoring network Quality of Service (QoS), Drop Call Rate, Block Call Rate in case of CDMA and Connection Drop Rate, Connection Failure Rate, Average Requested DRC in case of EVDO, ACO and PCO.
Multi carrier optimization
Cluster optimization and its acceptance 

RF Engineer
OEM/ Samsung Telecommunications, Novi, MI Apr2014– Sep 2014.
Carrier - Sprint

RF optimization engineer for Sprint NV project for East and West Michigan Markets with Samsung equipment.
Close monitoring of site performance and suggest possible solutions to increase the site performance.
NBR’S update and propose tilt changes to upgrade site performance.
Coverage analysis and worked on Cluster Acceptance.
Based on modulation schemes checking BLER rate & SINR.
Preparing site level ATP’S for 2.5, 4G and CTTP for 3G,
Post processing using wind catcher and X-cap.
LTE network optimization by examining layer 3 messaging of the optimization drives.
CDMA/EVDO pre and post launch designing and optimization for Samsung Sprint NV network.
Using Mobile Meridian and Spot fire to investigate site performance and recommend appropriate Optimization recommendations.
Participate in final approval of site level closeout.
Generating Coverage validation reports and Cluster acceptance reports, find out low performance issues for each single site and making possible recommendations to upgrade site level and cluster level performance.
Provide Hardware modifications to improve areas with poor RF conditions including antenna down tilts, azimuth changes, antenna changes and providing Carrier add recommendations to improve capacity and offload sites taking excessive traffic.
Supporting new growth site integrations and E911 requirements for Sprint.

RF Engineer
Carrier T-Mobile
OEM / Ericsson (July 2013- Mar- 2014)
San Diego, CA

Responsibilities:
Worked On LTE and WCDMA Protocol Testing.
Analysis of Layer 3 Messages and suggesting possible recommendations to upgrade the Network.
Analyzing coverage issues, drop calls, access failure & missing neighbor issues.
RF data collection and troubleshooting, Reading schematic drawings maps for ensuring the deployment of an optimum cellular RF setup, applying knowledge of RF network theory and ensuring that the service coverage is in line with the objective and strategy adopted by the service provider.
Testing of User Interface, Functional/Non-functional, Regression tests, Device compatibility tests, browser compatibility tests, Usability testing.
providing user applications and engineering support and recommendations for new and existing equipment with regards to upgrade.
Test plans, test site scheduling, equipment calibration and setup. Radio Frequency signal measurement and data analysis.
Testing wireless electronics equipment, using standard test equipment and analyze results to evaluate performance and determine need for adjustment of the wireless network to improve quality.
Radio Frequency site approvals, Radio Frequency coverage planning, and interference analysis.
Generating GNG Reports and KPI Reports which helps in Analysis
Writing reports and recording data on testing techniques and specifications to assist engineers.
Troubleshooting equipment as needed and monitoring telecommunications networks to ensure network availability to all system users.

Qualcomm Inc (QCT-PDT-Modem) Sep 2012 – June 2013
San Diego, CA.
Device test Engineer

Involved in modem system testing, verification, debugging and testing of new generation mobile devices based on GSM, WCDMA, HSDPA, HSUPA and LTE standards.
Create test reports for internal and external customers by using RIGI software.
Performed Integration & Functional Testing on various 2G and 3G mobile handsets.
Bug Reporting using JIRA Software
Experience with QXDM, Agilent Nitro, Q Analyzer, Puppet Master QPST, Trace 32, JTAG, QMI Connection Manager
Experience in testing phone features like Voice Calls, SMS, MMS, Multimedia, Data, Supplementary services etc.
Mobile application testing for Verizon and ATT.
Working with Anritsu MT8820C-018, Agilent 8960 for LTE measurements.
Implementation of PERL scripts for error tracking and Verification during automation on Android Platforms.
Collecting Data from Field test teams and process data for errors and blocking issue in different network conditions in various technologies.
Design automation scripts by Perl scripting, maintain test scripts to test mobile devices based on customer need.
Involved in triaging logs related to call failures, connectivity and modem stack issues and providing input to the customers about product configuration and troubleshooting.
Solid understanding of Call Processing, L3 (RRC), Mobility Management and Physical Layer.
Create detailed test reports based on different test scenarios on various internal platforms.
Experience of GSM, UMTS protocol stack on 3GPP specifications.
Experience with J-TAG to flash the build and debugging in situations where it is having boot issues/power/XO
Analyzed logs and debugged issues with the modem software using QXDM.
Collaborated with the software development teams to discuss and debug modem software bugs and carrier specific requirements
Tested and analyzed logs for critical and time sensitive customer issues by partnering with the development team.
Extensive use of Tools such as QXDM, QPST, QCAT, APEX, QMITP, Wireshark etc.
Raise CRs/JIRAs for issues, help developer team in isolating the issue and finding the root cause & then verifying the fix to make the device bug free.
Responsible for testing features like mobile origination/ termination, long calls, basic sanity, regression, throughput, CSFB, stationary and mobility testing etc.
Responsible for performing IRAT handover testing, cell selection & reselection tests, mobility, PS, CS, SMS & supplementary services, KPI testing, datum for throughput.
Responsible for test execution & debugging for thermal/power problems on chipset.
Responsible for various types of functional test for thermal features optimization.
Experience in multi-media technologies Audio, Video, and Camera.
Performed functional and usability testing
Loaded applications on the device and executed test case scenarios.
Identified software failures and reported them
Performed functional, usability, GUI, performance and regression testing
Participated in regular QA team meetings to discuss testing process and resolve issues
Supported the senior testers in conducting the QA and QC tests and in observing the results

RF Engineer
Carrier- Verizon- Rochester, NY
OEM/Ericsson, Sep 2011- Aug’2012
Worked on LTE network
Organizing Drive Test, Data process and Optimization of the network.
Working with Data Pro, Wind catcher, Actix data processing Tool.
Organizing the drive test teams, collecting data.
Drawing drive routes with Map info.
Solving issues of pilot pollution.
Survey of new sites.
Involved in Test data and Test plan, identified the problems and trouble shoot the problems with cellular network and drive test equipment.

RF Engineer, UMTS Project.
Carrier- ATT
OEM/Alcatel-Lucent (Philadelphia- Pennsylvania)
Aug 2010- July 2011

Organizing Drive Test, Data Analysis and Optimization of the Network.
Proficient knowledge of MapInfo, Street Atlas and TEMS
RF optimization using eDAT, Atoll.
Tuning Neighbor List and other Parameters for optimizing the network.
Analyze coverage& drop call locations to identify issues for comprehensive understanding of progress of RF optimization.
Monitor and review of launched wireless networks for its efficiency.
Prepared UMTS site integration reports. This included preparation of drive routes, optimization of antenna configuration (pre and post drive test).

Associate RF Engineer Manassas, VA, Aug’09- June’10
Further enterprise solutions.

Field Testing Engineer for validating handset performance in live network environment
Data and Call Performance testing. Audio Quality testing.
IRAT and Inter/ Intra BSC/RNC/TAC handover testing.
Device testing for 2G/3G protocol (GSM/GPRS/UMTS) handsets using Qualcomm Tools QXDM and Spirent tools such as Datum and NOMAD.
Identify, analyze, and document defects, questionable functions, errors, and inconsistencies in handset behavior.
Recognize and evaluate the sites by Post processing of Drive Logs using

Actix & Extracting Network info, Drive Test analysis using TEMS Investigation.

Review of customer service issues and troubleshoot customer RF trouble tickets.

Associate Engineer, Value Lab’s- India
Mar’06 - Mar’08

Diagnose all RF (GSM & UMTS) related problems such as interference, Drop call, SD

Failure, HO failure, missing neighbors, etc Handovers test to ascertain the design criteria.

Analyzed & identified the FER, SQI, C/I, throughput and delay in problem areas/cells. 

Performs the site expansion process, adding/deleting radios, T1s in software using cell

DTs, commands. Dimensioning/reconfiguring edge time slots and other parameters based

Upon requirements/configurations. 

Optimizing the antenna orientation and tilt for GSM/UMTS coverage and Ec/Io

Enhancement. 

Data analysis from the drive test log files, making the necessary changes to improve the

Network quality.

Evaluates and analyzes Pilot Coverage, CPICH RSCP, CPICH Ec/Io, Pilot Pollution,

Accessibility, Retain ability and Mobility for Voice, CS 64, PS Services

HSDPA's BLER and Throughput, recommends modifications to enhance KPI's.