Ankush Jain – Wireless development, Testing and Support

E-mail: ankushjain23@gmail.com

Phone: +1 858-232-1173

Add: 10795, Caminito Alvarez, San Diego, California, 92126

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Telecommunication systems’ expert with 8 years of experience in software development/testing/debugging and support in USA, UK, Japan and India open for new challenges of handling complex projects/programs in the industry.

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Summary

-          Working on 3GPP Technologies for LTE, LTE Advance FDD/TDD and IMS architecture and protocol features and Inter working with 2G/GSM/GPRS/3G/UMTS.

-          Test requirement analysis, Test development and validation, analysis of full protocol stack signaling and data for R8/R9/R10/R11 feature and performance testing of mobile devices for Qualcomm, Samsung, LG, NVDIA/Icera etc.

-          At customer’s labs working closely with development team of LTE equipment and device manufacturers, roadmap synch-up with customers and facilitates translation of requirements to the TE development team for feature implementation.

-          Field Issue analysis, reproduction in lab environment, isolation, report, track, organize and follow up with and provide debug support to the development team referring various 3GPP specifications such as 36 and 24 series.

-          Setup, debug and troubleshoot mobile/modem automation and manual testing environment with Anite, Agilent 8960 setups. Would be able to work on other equipment as well such as Anritsu, R&S, TM500 etc.

-          Knowledge and work experience with UE Analysis and configuration tools like QXDM, QPST, QMI, ATM, Benie Pro, Wireshark.

-          Ability to design and develop multithreaded socket based software tools and applications in C, C++, Python for Linux and Windows that help in automation, log analysis.

-          Experience working with IETF standards for internet protocols such as TCP/IP, AAA protocols EAP TLS, TTLS, AKA protocols.

-          Experience with establishing and maintaining communication between different on/offshore teams and customers for successful progress/completion of tasks at different locations globally.

-          Knowledge and Experience with version control and Issue Reporting/Tracking tools such as Serena, MKS.

-          Experience conducting product technical trainings for customers at their locations.

-          Experience working with all phases of SDLC.

 

Tasks handled:

-          Network Simulation and execution and analysis of CA FDD/TDD and IMS/VoLTE test plan using Anite DT on Qualcomm chipset at Qualcomm San Diego, USA.

-          Network Simulation and LTE TM8/TM9 data performance test plan execution and analysis in various fading conditions on Qualcomm chipset at Qualcomm San Diego, USA.

-          Validated LTE RRC and NAS (EPC) features, VoLTE and Inter-RAT scenarios i.e. L-W-G Reselection, Redirection, PSHO, CSFB with multiple chipsets at USA, UK and India.

-          Requirement analysis, use cases and design inputs and validation support for development of flexible graphical test tool application for testing LTE features over Anite 9000 at Anite, UK.

-          Enhancement development and maintenance of platform of C++ class library used for test application development for validating LTE/2G/3G protocol features at Anite ODC-HCL India.

-          Implemented AAA EAP security protocols i.e. TLS/TTLS, AKA, PEAP over Linux based multi-client RADIUS server using Openssl at HCL India.

-          Traffic Monitoring implementation for EAP module and implementation of LI module for the AAA server at HCL India.

-          Implemented socket based multi-threaded layer for TCP/IP – BTS (GSM) replacing E1/T1 link with TCP/IP interface to establish communication between RR/BTSM/GSM Physical layer and BSC at HCL India.

 

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Primary Skills

-          3GPP - LTE [EPC, RRC, MAC, PHY], 2G, 3G, VoLTE, IMS, TCP/IP

-          Expertise in C, C++, Python, OOP

-          Scripting in batch, Perl, C#

-          Anite 9000 2.2, 2.3, 2.4, Agilent 8960, Anite ABP

-          QXDM, Binie Pro, ALV

-          MS Visual Studio, Source Insight, Beyond Compare, VI editor,

-          Iperf, Winscp, Filezilla, Wireshark, FreeRadius,

-          Platforms: Windows, Linux,

-          Specifications: 3GPP 36 and 23, 24 series,

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Employment History

Current Employer: HCL Technologies India, UK, USA from 2006 till present.

Previous Employer: Siemens Information Systems Ltd, Gurgaon, India in 2006.

Internship: 8 months as a trainee in JSSL Noida, India in 2005.

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Work History

HCL Technologies, India, UK, USA

-          Working for Anite Telecoms from last 5 years on LTE (FDD/TDD) and Inter-RAT technologies as Test Application Development and Support and Protocol Feature Validation Engineer. Currently located in Qualcomm, San Diego. Responsibilities include:

●        Understand and gather feature requirements from customers/technical sales representatives and translate them for development team raising feature enhancement requests referring 3GPP specifications.

●        Enhancements, design change and debugging in C++ libraries/platform of reusable components using Visual Studio which utilizes event based state machine call backs.

●        Generate use cases for protocol scenarios and develop and maintain C++/COM based Test scripts using Anite’s DT API for the required features and validate protocols on different chipsets and mobile handsets.

●        Provide technical support to customers in their labs for validating features and developing and debugging test scripts.

●        Providing consultation to IOT team and supporting them in analysis and resolution.

●        Currently working on data performance test development, validation and support for R10 features including CA, TM3/TM8/TM9 SU/MUMIMO.

●        Developed LTE-2G-3G Inter RAT test suits for RRC, NAS features like Reselection, CSFB, PSHO, and SRVCC especially for Qualcomm chipset.

●        Developed LTE RRC, NAS, VoLTE feature Tests and validated for different chipsets.

●        Raise issues and enhancement with the product development team and follow up till resolved.

●        Onsite product support at Qualcomm San Diego, USA.

●        Onsite Development Testing support at Anite Telecoms, UK.

Tools and Technologies

3GPP LTE, 2G, 3G, C++, Anite Development Toolset, Wireshark, Visual Studio, QXDM

 

-          Worked for NEC, Japan as a Product Engineer for AAA server EAP/RADIUS security protocols development and testing.

●        Implementation of EAP protocols i.e. TLS, TTLS, PEAP, AKA.

●        Traffic Monitoring enhancement of AAA Server for EAP module.

●        Establishment of communication between DIAMETER and RADIUS server for Authentication configuration from 3GPP server through TCP communication.

●        Implementation of LI interface for AAA server.

Tools and Technologies

C, IETF Network Security Protocols, Linux, freeRadius, Wireshark, OpenSSL, POSIX.

 

-          Worked for Powerwave Technologies, USA as a Product Engineer for IP based BTS development and testing.

●        Implementation of IP based LAPDIF layer to establish socket based interface between BTS and BSC.

●        Integration of RR-BTSM, LAPDIF, OAM and BSC interface.

Tools and Technologies

C, GSM, Linux, POSIX

 

From Apr 2006 to Oct 2006 (SISL, Gurgaon, India)

Fixing bugs in Siemens MMI for Benq China and testing on proprietary tool.

●        Bug Fixes in Phone Menu, Widget display, Call Menu..

●        Testing and bug fixing in MMI specification Generation tool.

Tools and Technologies

C, C++, VC++ 6.0

 

 

From Aug 2005 to April 2006 (JSSL, Noida, India)

As a software trainee worked in development of security system named Mobile Eye.

●        Communication establishment for sending images to FTP servers.

●        Image processing utility for displaying BMP images.

C, C++, VC++ 6.0

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Education

B. Tech in Electronics And Communication from U.P. Technical University, India in 2005.

 

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Personal Information

Visa Information: Authorized to work on H1B since July 2013.

Current Location: San Diego, CA, United States.

 

 

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Date: 04/04/2014                                                                                                                                                    Ankush Jain