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Vishal D J.
More than + years of work experience in the filed of telecommunication with exposure to Radio
Access Network technologies, RF optimization and software development and testing.
Hands on LTE experience including scripting and feature testing
In depth knowledge in GSM, CDMA, WCDMA, HSPA and LTE technologies RAN
G, G Ericsson RAN technology knowledge and excellent hands on experience.
Expertise in RNC system integration and support, RF Planning, Optimization.
Excellent skills in optimization of GSM / networks.
Good C programming skills
Master of Technological Design
Aug’ – Jul’
Centre of Design Technology, National University of Singapore & Technische Universiteit Eindhoven
B.Tech, Electronics & Communication Engineering
Regional Engineering College, Warangal, Andhra Pradesh India.
SIP, H., ISDN, SS, WCDMA protocols, LTE protocols.
Good architecture knowledge in GSM, CDMA, WCDMA, LTE technologies.
Excellent knowledge of Protocols and procedures of WCDMA and LTE RAN.
Good understanding of GSM, WCDMA, LTE air interface.
Worked on Ericsson WCDMA RAN, LTE RAN nodes including RNCs and RBS.
Expert in inbuilding solutions IBS for Radio accessibility.
Linux, MS Windows
Moshell, EMAS, SMO/OSSRC, TEMS, MapInfo, ClearCase, MS word, MS excel
Ericsson Telecommunication Pte Ltd, Singapore
System Support Engineer WRAN, LTE Networks
Provided technical support to Ericsson WCDMA and LTE customer SingTel for various support and
project activities including scripting, testing and validations for RNC, RBS and LTE network.
Lead various projects in WRAN and LTE successfully.
Technical lead for LTE system trial with SingTel.
Promptly resolved project critical technical issues and completed projects in time.
Provided training to the colleagues and customer on WCDMA RAN and LTE.
Key Projects executed :
Implemented IuPS over IP solution from existing IuPS over ATM solution
Implemented IuR over IP solution from existing IuR over ATM solution
Implemented IuCS over IP solution from existing IuCS over ATM solution
Successfully performed initial IPRAN trail for the customer and provided continuous support for the
Capacity expansions – RAX, TX, Second carrier additions, E exp
RNC upgrades and updates
LTE system configuration and testing
DT preparation for various project activities including RNC, RBS and LTE.
Oct’ – Aug’
Dialogic Corporation Pte Ltd, Singapore
Application Engineer – Dialogic Media Gateways, HMP, VAS, GM
Responsible for technical support to customer solution implementation using Dialogic media boards
such as DM, JCT, DNI etc.
Responsible for DMG, HMP, and media board support for various APAC customers.
Provide trainings on DMG, HMP to the customer
Application programming using C, C++ in windows based platform
Initial black box testing for new hardware boards
Provided on site support for customers to debug the problems quickly
Key projects executed:
Provided day HMP trainings to the customer in Singapore
Provided day DMG trainings to the customer in Singapore.
DMG and HMP feature testing
Implemented Call center solutions using SIP telephony and Dialogic boards.
Jul’ – Jun’
Motorola Engineering Pte Ltd
Software Engineer – Industrial Attachment UMA router design and development
Designed and implemented IP Security architecture for UMA based product Motorola UMA product
Implemented of IP networking features like NAT, DHCP, DNS query, DSCP QoS for the router.
Designed and reviewed URR, UAC implementation.
Development of kernel modules required for the project.
Key projects executed :
Implemented sniffing for the traffic data sent from router even though IPSEC is enabled. The method
was files for patenting.
Provided training to the Motorola Software center Singapore on “Cryptography and techniques”
Development on media engine for Motorola mobiles
Oct’ – Jun’
ADACellWorks Engineering Pte Ltd, India
Senior Project Engineer – RF RF Optimization, Planning, Tunning
Daily performance monitoring and optimization of the sites, using netdoctor & GOS reports to
achieve the desired KPI at the network, and individual site level.
LAC Planning and initial BSIC Planning. BCCH and Hopping planning for new sites and Swap clusters.
Preparation of Parameter databases and planning BCCH frequencies for new sites.
Field RF surveys, IBS surveys for coverage and capacity planning according to the necessity.
Analysis of the Layer messages for basic troubleshooting related to handover, and other system
Conducting and supervising drive test using TEMS .. & ., Nemo outdoor.
Primary verification of drive data and taking necessary corrective measures, like neighbor list
addition, and interference analysis.
May’ – Oct’
Reliance Infocomm Ltd, India
RF Engineer CDMA Network planning and optimization
Involved in nominal CDMA BTS site planning, CDMA repeater FSR, FOR planning.
Performance monitoring through Daily RAN reports, maintaining Site database.
Optimization of CDMA BTS sites using Agilent drive test tool EA. Analysis of hand offs, call drops
in the given network through drive tests.
Tuning Neighbor List and other Parameters for optimizing the network.
May’ – Apr’
AirTel Bharti Mobile Ltd , India
BSS/RF Engineer BSS integration and commissioning, RF optimization
Installation, commissioning, maintenance of RBS, RBS BTS System and RBSC BSC
System of Ericsson and on Horizon BTS system from Motorola.
Designed nominal cell plan for coverage & capacity using Asset Aircom's planning tool.
To provide the Site configuration details: Antennas configuration, BTS configurations depending on
Coverage and Capacity requirements. Frequency planning, C/I and C/A Interference analysis to
achieve better Quality. BSIC planning, LAC planning, preparing neighbour list and various BTS
NetworkOptimization which includes SDCCH/TCH Congestion Analysis, Handover Failures and Call
Drop rate Analysis. Responsible for performing the drive test using TEMS Ericssons drive test tool for
the network at regular intervals to check the Quality of Service QOS and changing system
parameters like Frequency assignments, neighbor lists and antenna orientations to achieve better
coverage, call quality and network capacity.
, , Clementi Street ,Singapore
Date of Birth
SD Singapore PR
Fluent in English, Hindi, Marathi.