Lakshmana Kumar Ramachandran
Email: lakshmana.hsr@gmail.com
Mobile: +1-469-237-6041
Key Expertise
M.Tech with 6+ Years of experience in Wireless Communication domain, LTE/UMTS/HSPA/GSM
Device/UE/Modem verification field testing, RNC/BSC/BTS/Node-B Integration, Field Testing
and Mobile Handset manual testing.
Experience Summary
· Currently working as a Senior Testing Engineer in Larsen & Toubro Technology services
Limited, USA from March 2012 to till date.
· Worked in ZTE Telecom India Private Limited, Bangalore from February 2010 to March
2012.
Work Summary
Ø Working for Intel Mobile communications, Allentown, PA USA. Performing
Device/Modem Validation Field testing and Log analysis.
Ø Executing Functional, Regression, Security, GUI and Performance related test cases in
Field for LTE Modem Validation.
Ø Executing GCF, ADAPT and AT&T/TMO/Verizon Specification test cases for 3GPP
modem verification.
Ø Knowledge on Layer-3 log analysis
Ø UE/Mobile manual testing and testing mobile applications includes UI, Functional/ Nonfunctional,
Regression tests, Device compatibility tests, Performance tests, Security
interoperability testing, Usability testing, automated tests and others.
Ø Network side activities include RNC/BSC/Node-B Integration, Functional testing,
Performance testing, Log analysis and Route cause analysis.
Ø Node-B Field Testing, activities includes Collecting Logs, Analyzing the Radio
Parameters, testing the different scenarios and analyzing the Field,
Ø Brief Knowledge on LTE/UMTS/GSM protocol stacks RRC, RLC, and MAC both UE side as
well as on UTRAN side.
Ø Experience in Client Communication and Status Reporting. Worked in high pressure
conditions.
Ø Currently possess US H1-B VISA.
Ø Performed modem Validation and different operator approval testing in major cities of
Europe, China, USA and India.
Skills
Technology
Tools
Bug Tracking Tools
Telecom /Wireless Testing/Device testing(LTE, UMTS, GSM, HSPA, IMS)
STT Protocol Analyzer, Mobile Analyzer, Wireshark, RF calibration(R&S),
Phone Tool, Phone Flash tool, MPTA, ADB Commands, Connection Manager,
CNT, CNA, Net-numen, Microsoft net monitor, FileZilla, Crashtool, IRTC and
TEMS.
JIRA and UTP
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Project Details
Project-1:
Project Name
Duration
Company
Intel-ICE7360/XMM7360 LTE-A Modem.
Client
Team Size
Description
Feb2015 to till
date.
Intel Corp, USA
Apple
30
Field testing of predefined test cases to ensure the stability of the UE
stack during the extended period of data transfer, various System
configurations, multiple data sessions, network selection/attach/detach
behavior. UE stack during the failures from Network. Basic log analysis
for UE mal-function reporting.
Role : Senior Testing Engineer
Location: USA
Responsibilities:
Ø Verification of Daily testing activity, Adapt and KPI testing.
Ø Executing Functional, Regression, Security, and Performance related
test cases in Mobility.
Role &
Contribution
Ø Involved in Build/Release management activities.
Ø Bugs reporting on bug tracking tool UTP & Updating the status of the
bugs.
Ø BackOffice log analysis of issues raised in field testing and allocating
to relevant Component of the Client chip architecture.
Ø Crash analysis and identify the duplicate tickets in accelerated
manner.
Ø Besides the functional testing, performance testing includes
Calibration/Throughput testing/ Power Consumption verification.
Ø Level-1 log analysis for the UE bugs and identifying the root cause
analysis using STT tool. In-compliance to the client protocol stack,
Issue verification.
Technologies
Tools
Project 2:
Project Name
Intel Sofia Android Device Testing
Duration
Company
Client
Team Size
Aug2013
Dec2014
to
Intel Corp, USA
ASUS
24 people
LTE-A, LTE, UMTS, VoLTE, IMS and CA
Crash Inspect, STT Tracing, IRTC, Wireshark, Connection Manager,
Microsoft Network Monitor, FileZilla, Flashtool and Phone Tool.
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Description
Performing functional and regression testing according to
internal/external Specifications. It includes UI, Functional/ Nonfunctional,
Regression tests, Device compatibility tests, Performance
tests, Security interoperability testing, Usability testing, Automated tests
and others.
Role : Senior Testing Engineer
Job Location: India
Responsibilities:
Ø Perform Sanity, Acceptance, Regression, Function, UI, Usability and
Compatibility Testing.
Role &
Contribution
Ø Run automated test suites in CLA Tool for Regression Testing.
Ø Verification of the suite during the extended period of data transfer,
with various system configurations, concurrency scenarios, multiple
datasessions,Networkselection/Reselection/attach/detach behaviors.
Ø Testing mobile applications and finding bugs.
Ø Verified the stability of the product for various data inputs
Ø Collecting Android logs using ADB commands and MPTA tool.
Ø Collecting and reporting Kernel, Tombstone and modem crashes.
Ø Bug reporting on JIRA & Updating the status of the bugs
Ø Basic logs analysis for the UE bugs. In-compliance to the client
protocol stack, Issue verification. Raising the tickets for the issues
observed and follow-up of the same.
Technologies
Tools
Project 3:
Duration March
Project Name
IMC-Samsung 7160 Modem Validation
2012 till
August 2013
Company Intel Corp, Germany
Client
Team
Size
Description
Samsung
20 people
Field testing of predefined test cases to ensure the stability of the UE
stack during the extended period of data transfer, various System
configurations, multiple data sessions, network selection/attach/detach
behavior. UE stack during the failures from Network. Basic log analysis
for UE mal-function reporting.
Role : Testing Engineer
Job Location: USA, Germany, France and India
Role &
Contribution
Responsibilities:
Ø Test planning for various Drive test & static test scenarios.
Ø Perform Field Testing of multiple, multimode, Multi-RAT (2G, 3G,
4G) UE platforms.
Ø Analysis of logs taken during Field Testing, identifying defects,
rising tickets & follow-up with them.
Ø Protocol stack Verification in accordance with 3GPP standards.
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LTE, LTE-A, UMTS, GSM, VoLTE, and CA
Crash Inspect, STT, Wire shark, Connection Manager, Microsoft Network
Monitor, Phone Tool, Phone Flash tool, TEMS, ADB commands, Filezilla,
CLA and JIRA.
Ø Compliance verification as per Intel Mobile Communication design
standards.
Ø Conformance Testing as per Network Operator requirements
Technologies
Tools
Project 4:
Duration
Project Name
UMTS RNC Testing and Log Analysis
Company
Client
Team Size
Description
Job Role: Integration Engineer and trainer in ZTE
Job Location: China and India
Responsibilities:
Ø Integration of RNC using Netnumen tool.
Ø Software commissioning of Wireless Network elements (NodeB,
RNC) and integration with related network elements.
Role &
Contribution
Ø To be responsible for resolving various UMTS and Voice call
problems by taking trace and studying the protocols.
Ø Maintaining the system issues database by using Oracle.
Ø Diagnostics of hardware, software and fault Management as well as
performance monitoring.
Ø To be responsible for resolving various UMTS and Voice call
problems by taking trace and studying the protocols.
Ø To ensure the quality of UMTS RNC and to do routine & quarter
inspection of all UMTS RNCs.
Ø To maintain the system hardware & timely detection of hardware
fault to ensure optimum utilization of the network resources and to
increase the network uptime.
Technologies
Tools
Project 5:
Project Name
SDR Node B Field Testing
Duration
Company
Client
Team Size
February 2010 to
September 2010
ZTE,India
Reliance
10
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UMTS , GSM and HSDPA
Netnumen, RCT, CNA , Wireshark and TEMS
October 2010 to
February 2012
ZTE, India
BSNL
12
Testing the 3G RNC that includes stress testing, Acceptance Testing,
Functional Testing, Card Level Testing and Call trace Analysis
UMTS, GSM
Mobile Analyzer, Crash Inspect, STT, IRTC, Wire shark, Connection
Manager, Microsoft Network Monitor, Phone Tool, Flashtool, FileZilla,
UTP
Description
Collecting the Node-B layer 2, Layer-3 messages of UMTS and its radio
parameters using drive test tool TEMS to test the Node-B Performance.
Role: Integration Engineer
Job Location: China and India
Role&
Contribution
Responsibilities:
Ø Collecting the downlink data in the field using a drive test tool
TEMS to test the Node-B Performance.
Ø Analyzing the collected data to check whether we are getting all
the channels.
Ø Analyzing the layer 2 and layer 3 protocol messages to check
whether we are getting all the protocol messages.
Ø Reporting the collected bugs to the development team.
Technologies
Tools
WCDMA, GSM and HSPA
TEMS, RCT, CNT and CNA
Educational Qualification & Certifications
M. Tech
B.E
Personal Details
Visa Type: H1B
Address: 900 Mickley Road APT B2-4
Whitehall, PA 18052.
Instrumentation from SJCE, Mysore Completed in 2008
Electronics and communication from CEC, Bangalore Completed in 2005
Ø Analyzing the collected data to check issues on handover failure,
call drop, etc.
_________________
(Lakshmana Kumar R)
Date:
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