RESUME
Name: Vasudev S Email ID: adipjf@r.postjobfree.com Mobile: +91-949*******
CAREER OBJECTIVE:
A Reliable, Energetic telecom professional with immense experience in working with Telecommunication Systems is seeking a telecom specialist position to achieve new milestones in the world of voice and digital communication.
PROFILE SUMMARY:
Having working experience on a dynamic professional in LTE Protocol Testing (4.06 Yrs.).
Good Understanding of Telecommunication basics and 3GPP Specifications.
Having good experience in UE Functional, performance and sanity testing and LTE Data Throughput Testing
Good knowledge of LTE Protocol Stack NAS, RRC, PDCP, RLC and PHY.
Good understanding of Call Flows and end to end wireless network architecture.
Performing log analysis by analysing call flow messages using layer3(NAS, RRC)
Executing the test case according to 3GPP specs TS 36.213 with CV2x + LTE
Reporting the bugs/crashes after testing and log Analysis.
Expertise in End to End LTE Call flows.
Testing DL/UL throughput using 2*2, 4*4 MIMO & Excellent Debugging Experience on Carrier Aggregation with (2CA, 3CA, 5CA).
Having good experience in LTE IP throughput Testing and Analysis under various RF conditions (CQI, RI, SNR, BLER, RSRQ, RSRP...).
Good Experience in Inter Freq and Intra Frequency HO with S1 and X2.
Performed Active member in whole team and able to handle 5 to 6 members of team.
Worked on Failure cases Analysis on CV2X + CA, IMS, RLF, HO failures
Worked on Failure cases Analysis on CA, IP Throughput, RLF and HO failures.
Updating the test report and tracking the reported bugs and crashes using JIRA and Bug zilla.
TECHNICAL SKILLS:
Domain Knowledge CV2X, LTE, CA, and IMS/ VoLTE, WCDMA, GSM.
Wireless Protocols Layer3(NAS, RRC), Layer2(RLC, PDCP) & L1(PHY)
Software Skills Python.
Computer Skills Windows, MS office.
Bug Tracking Tool JIRA, Bugzilla.
Testing Tools & simulator QXDM, QPST, QFIL, APEX, QCAT, QMI Test Pro, QUTS, ALPACA, APEX,AndroidSDK logging,STT,Crashscope,JIRA,Sanjole,X-CAL,X-CAP,Tems Investigation, Agilent simulator.
Work Experience:
Project Modem Functional Testing (CV2X + LTE)
Position Senior Software Engineer
Company Global Edge Software Limited
Client Qualcomm Technologies, Inc.
Product SDX24 LE2.0, SA415.LE.1.7, SA515.LE.2.0, SA515.LE.2.1, SA2150P,8974, 8930,8926
Duration June-2019 to till date (12 Months)
Description:
Review the HLD and requirements of CV2x +LTE features and accordingly writing/execution of the test plan as per TS 36.213 which includes end to end scenarios and cover all requirements insist by customer to make features reliable and stable.
Executing the automation test cases through Axiom from product bring up stage and updating the job results on daily basis for every new META/MPSS/RCI builds
Worked on CV2x features like Lifecycle Management and License Management, execution of functional, stability & performance testing on SA415, SDX24, SA515 devices
Executing test cases like Long IP Throughput, MO & MT call, MO/MT Sms, Latency, Video and Audio Calls using manual through TBS and W1 drops and automation through MTFpy .
Executing the test cases on daily build provided by the development team.
RF spur testing at different harmonics
Creating the v2x xml files for 10,20Mhz frequency for different time period to decode the PSSCH and PSCCH
Creating SCR Payload files of SPS, Event flows GEO fencing testing, ACME & savari testing for TX and Rx with Ue-ue, Ue to LUEE testing with W1 drops and TBS. V2x+WWAN(LTE).
Good knowledge on RACH and contention based as well as Non contention-based RACH.
Having a good knowledge on cell Camping.
Worked on level1 log analysis of throughput failure issues.
Worked on parameters like BLER, CQI, RI, SNR, RSRP and RSRQ.
Worked and analysed parameter like MCS Modulation, Scheduled Throughput.
Good observation on Attach and Detach procedure by NAS layer.
Good observation on Frame structure in FDD and TDD Bands.
Optimizing system performance & power consumption for improving the stability of product
Work Experience:
Project Performance & sanity Testing
Position Senior Engineer
Company P3 Group.
Client Google, Apple.
Product A12 bionic, S5, Qualcomm SDM670
Duration January-2019 to July-2019(06 Months).
Description:
The focus of the project is to execute functional and weekly sanity testing on new features in Apple lab and to improve the quality, reliability and performance of the product.
Executing test cases like Long MO & MT call, short data, long data, face time, video, audio, mobility and non-mobility
Executing IMS test cases like IMS registration and IMS call.
Executing the test cases on daily RCI build provided by the client/customer issues.
Having a good knowledge on cell Camping from initial acquisition
Providing full R&D support and maintenance for pre and post launch products, including reproduction and diagnosis of problem. Testing newly evolved techniques like VOLTE, Carrier Aggregation etc
CA (Most straightforward way to increase capacity) – Peak Th.put test with different band combination and CA mobility testing.
Good observation on Attach and Detach procedure by NAS layer.
Tested to check the change of LA (Location Area) for Cell Re-selection, Re-direction.
Worked on basic sanity testing like attach, detach & MO MT call.
Experience in L1/L2 Test Scenarios.
Worked with network team for Joint testing on upcoming features and execution of basic validation test cases with log analysis
Capturing the logs in QXDM and STT tool reporting the cause to the developers and Interacting with the client and explaining the scenarios/issues
Observed Base band crashes/Radars and reported to team in timeline so that they resolved in upcoming releases.
Updating test case results with tracking status on daily basis
Work Experience:
Project LTE OEM performance Test.
Position Test Engineer
Company Reliance JIO Info Com Ltd
Product Qualcomm Technologies LYF mobiles (MSM8939, MSM8909, MSM8952, MSM8916,)
Duration January 2016 to June 2018 (2.5Yrs).
Description:
This project involves the conformance testing of UE VOLTE/IMS features in mobile handset according to the Test specification provided by 3GPP. The features that are related LTE radio protocol IMS stack. Hand Over and Cell camping and sync loss issue and crashes.
Flashing the Device under test with periodically updated builds provided by Client using trace 32 flashing device and QPST.
Understanding & Execute each test case before actual testing starts
Reporting the daily observation and instability issues observed during testing
Good observation on LTE Frame structure in FDD Bands
Testing scenarios included MO/MT speech calls, SMS, MMS, PS/CS calls, Tethering, RMNET iperf TCP/UDP Throughput, Multi-wrap calls, IRAT, CSFB, Reselection/Redirection, Handover, Throughput and voice call retention.
Good working experience in RRC connection setup and Release
Execution of basic sanity test and test plan for subsidy IMS, VoWiFi and looking for stability, protocol issues and performance issues.
Regional Pack test cases on Phone Calls, Contacts, Alarm Clock, Calendar, SMS, MMS, Bluetooth, Native application, Language Testing, Setting, Email, Audio, Video, FM Radio, Browser, Emergency call, power up welcome message etc.
Testing in various environment -Near cell, Edge cells and Far cells, out of service (Depending upon instant RSRP)
Performed testing on different platforms like Android (lollipop, Marshmallow) and KaiOS.
Basic analysis of Logs in QXDM and reporting the cause to the developers - Error Re-Testing and Error Verification
Executing daily Manual mobility test cases like attach, MO MT call, FTP upload and download.
Executing MO call RRC connection release with redirection from LTE to 3G/2G (Mobility).
Experience in Out of service and cell camping of UE
Feature testing of various IMS and VOLTE related scenarios.
Good working experience of all the interfaces of LTE.
Good working experience in RRC connection setup and Release
Testing of different device under the scope of Device stability with IMS and LTE.
Doing joint test & issue verification with other vendor team.
All types of feature, functional, sanity and regression testing.
Preparing the bug report on daily basis
Involved in regular project reviews meetings & testing status meetings and sending test report to Project manager and team.
Work Experience:
Project RF planning and Analysis.
Position RF Engineer
Company Sreeshaila Networks Pvt Ltd
Client JIO, BSNL
Tools X-CAP, X-CAL, TEMS DISCOVERY, MAP INFO 8.5, Actix, Atoll, JCP.
Duration August 2015 to December 2015 (05Months)
Description:
The main objective of the project is to test the improvement of key radio quality indicators like RSRP, RSRQ, Rx level, Rx Quality, DL/UL Throughput, Handover Success Rate, Total traffic KPI’s etc. Planning and Analysis of the pre-post drive test logs and resolving the problem without affecting other crucial parameters.
Performed RF planning (VoLTE, GSM & WCDMA) Of RJIO, BSNL and prepared their Acceptance Tests reports.
Recommendations making as Defining missing RF parameters, proposing antenna azimuth, tilt, Channel, Adjusting handover etc
Make a report on drive test using tool called MapInfo, Actix and planning on Atoll.
Analysing quality and interference issues. Trouble shooting and resolving issues regarding coverage and KPI.
QUALIFICATION
Bachelor of Technology in Electrical and Electronics Engineering under Jawaharlal technology university, Kakinada (2009-2013) with a 69%.
ACHIEVEMENTS
Honoured (Customer delight Champion) by client QUALCOMM for significant contribution towards CV2X developing test automation and build confidence in a short time
Recognised in P3 group as a most determined employee
Achieved best employee in Jio for standout performance
PERSONAL DETAILS: -
Name Vasudeva Rao
Date of Birth 15-04-1992.
Marital Status Single
Languages Known English, Hindi and Telugu
Nationality Indian
Passport No L3607057
Passport Date of Expiry 06-08-2023
Hobbies Swimming, Travelling, cooking
Strength Hardworking, Fast learning, Optimistic Nature.
DECLARATION: I hereby declare that the above-mentioned information is true to the best of my knowledge and would be glad to provide any other information required by you.
Date: Place: