RF Engineer with 7.5 yr experience in LTE/CDMA & EVDO RAN Optimization

Ranajit Tripathy

Mobile: +1-915-***-****/ E-Mail: ***************@*****.***

**** ****** ******, ** ****, TX 79912, USA

LTE RAN Optimization CDMA RAN Optimization Network Planning

PROFESSIONAL SNAPSHOT

Over 7.5 years of experience in RAN Optimization, LTE Improvement, CDMA & EVDO

Network, Network Planning and Roll Out.

Currently spearheading functions as a RF Optimization Engineer for Sprint Multiband

Project and looking after Albuquerque for LTE/CDMA/EVDO Network Performance with

Ericsson Inc. for customer Sprint, USA.

Worked as Team Leader managing LTE Performance in Ericsson Global Service Pvt. Ltd.

with Sprint USA Network Vision Project.

Highly skilled in managing & leading teams for running successful process operations &

experience of developing procedures for business excellence.

Expertise in RAN Optimization and support skills, ability to multitask, good

understanding of operational & systemic aspects for providing complete solutions.

AREA OF EXPERTISE:

LTE RAN NETWORK ROLLOUT

CDMA RAN TROUBLE TICKET SUPPORT

NETWORK OPTIMIZATION TECHNOLOGICAL S OLUTIONS

NETWORK AUDIT ANALYTICAL SKILLS

NETWORK PLANNING PROJECT MANAGEMENT .

WORKING ORGANIZATIONS:

Present Organization: Ericsson India Global Service PVT LTD.

Duration : Aug - 2010 to till date.

Designation : Sr. Engineer

Account/Dept : Network Engineering

Working as a RAN optimization Engineer (LTE, CDMA) for Sprint Multiband Opto

Project for Albuquerque in Ericsson for customer Sprint, USA from Jan 2015 – till

date.

Worked as a RAN optimization Engineer(LTE,CDMA) for Sprint Network Vision Project

in Ericsson India Global Service Pvt Ltd for customer Sprint, USA from March - 2013

Dec 2015.

Worked as an PDO Engineer for CDMA & EVDO for Sprint MS Project in Ericsson India

Pvt Ltd for customer Sprint, USA from Aug - 2010 to Feb 2013.

Worked as Team Lead in Nemhans Solutions Pvt Ltd for network rollout of MTS India

for Chennai & Tamilnadu Circle from Dec - 2008 to July - 2010.

Worked as Drive Test Engineer in Nemhans Solutions Pvt Ltd for Reliance Win 2007

Project from Sept - 2007 to Dec – 2008.

PROFESSIONAL EXPERINCE (MAJOR PROJECTS):

1.

Organization : Ericsson India Global Service Pvt Ltd

Designation : Sr Engineer (Network Engineering)

Project : Sprint Network Vision

Client : Sprint, USA

Technology : LTE, CDMA

Duration : March - 2013 to till date

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Role & Responsibility as a Production DBA:-

• Investigate national KPI performance and provide clear improvement plans.

• Pre-Launch and Post-Launch Cluster Optimization which involves log file processing

& analysis of Accessibility, Retainablity, & Mobility KPIs including IRAT Handovers

to meet the SLAs defined by customer.

• Perform Network and/or Node Parameter Reviews/Audits

• Implementing parameter changes and Parameter audits, collecting regular network

parameter dumps.

• LTE initial tuning / Pre Launch Optimization not limited to Single site

verifications and cluster optimization

• Providing resolution to bad LTE KPIs, Worst cell offender analysis

• Analysis of cluster drives\SSV and providing solutions for drop cases, LTE

retainability, LTE accessibility, Throughput issues/CSFB KPI.

• Carry out basic parameter checks such as RSRP, SINR, and Throughput during the

Test.

• Performing MME audits, neighbor audits, raising tickets for issues with follow up.

• Providing azimuth check, parameter check, swap, neighbor check, UL DL throughput,

RSRP, SINR, based on the single sector stationary test logs.

Planning drive routes for LTE covering all golden areas and hot spots and VIP

locations

Tools Used:-

• OSS-RC,CACP

• Map info 11.0.

• RFISS, Cockpit, ESOD, ENIQ(BO)

• Newtun

• Neat, Call P, TRAMS, ERTT

• EDOS-ERA(Ericsson RAN Analyzer)

2. Organization : Ericsson India Global Service Pvt Ltd

Designation : Engineer (Network Engineering)

Project : Sprint MS

Client : Sprint, USA

Technology : CDMA & EVDO

Duration : Aug - 2010 to Feb - 2013

Role & Responsibility:-

• Investigate national KPI performance and provide clear improvement plans for

Sprint.

• Planning CDMA/EVDO drive routes covering all golden areas and hot spots and VIP

locations

• Optimizing cluster by optimizing azimuth, E-tilts, M-tilts wherever required.

• CDMA 1x and EVDO Carrier addition in live network, creating database, updating

neighbors and declaring on air.

• Analyzing sleeping sectors on priority and taking action accordingly

• Handling optimization and database creation of new sites, Optimization of sites

using CACP, Map Info & Google Earth Software.

• Parameter planning and optimization to achieve various Radio network KPIs like Call

Setup Success Ratio CSSR, Drop Call Rate DCR, RF Blocking, Access channel

Occupancy, Paging Channel Occupancy.

• Generation & analysis of daily reports to maintain the KPI.

• Cell utilization monitoring and cell capacity augmentation plan.

• Updation of neighbor list of network as per requirement.

• Plan new sites as per customer complaint, Sales & Marketing requirements in

villages, small towns and major cities.

• Plan new sites for Highway (NH+SH) & important Railway routes.

• Responsible for BTS Expansion, Metro site to Ultra site Conversions

BSS Parameter planning and optimization to achieve various Radio network KPIs like

Call Setup Success Ratio CSSR, Drop Call Rate DCR, RF Blocking, Access channel

Occupancy, Paging Channel Occupancy.

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Tools Used:-

• CACP 18/17/16, Secure-CRT, Nortel AEMS, Reveal, CRT-RUN Any

• Wind Catcher, Map info 10.5.

• RFISS, Cockpit, SODA, Flux

• Nortel-AEMS etc.

• Green Page/Health Page.

3. Organization: Nemhans Solutions Pvt. Ltd.

Designation : Sr Engineer(RNO)

Project : MTS Tamilnadu

Client : MTS India

Technology : CDMA & EVDO

Duration : Dec - 2008 to July - 2010

Role & Responsibility:

• Working as a Team Lead and managing a team of 24 engineers for Nominal Planning,

Site Survey, RF Optimization, Drive Test & Analysis, report Preparation, Single

site ATP, Cluster Drive and Optimization, Cluster ATP and also ATP signup from

Customer for the turnkey project from ZTE Telecomm India for Tamilnadu Circle.

• Planning new sites by analyzing the by analyzing KPI & Coverage and also by

discussing with customer.

• Looking after the optimization part of city sites Chennai & ROTN for both EVDO &

CDMA 1X Data & Voice Network.

• Responsible for the optimization of the CDMA 1x & EVDO network that includes drive

testing and tuning of cell parameters to achieve better quality of service,

suggesting ways to achieve capacity and coverage objectives.

• Analyzing Post Processed data using CNA 7.0 for reasons behind bad FER, Rx, Tx,

Ec/Io, Pilot overshooting, Call Drop & Handoff Failure. Prepare maps for various

parameters like Mrx, Mtx, Combined Ec/Io, Forward FER etc. for CDMA 1x Voice

Network & also for EVDO Network(Parameters PER, Avg DRC, C/I, Ec/Io, Fwd

Throughput etc.)

• Configuring & Updating Neighbor list (Local Neighbors & Foreign Neighbors) in BSC

using ZTE NetNuman tool.

• Checking and Configuring Cell Parameters.

• Preparing Plan for Rehoming of BTS within the BSCs to reduce Hard handoff.

• Analyzing and Maintaining KPI using CNO2 & taking suggestive step . Preparing daily

performance report for Customer.

• Checking alarms & Checking BTS/CELL/IMSI service observation.

• Coordinate 8 Drive test teams for optimization of 1178 sites in ROTN & 191 Sites in

Chennai.

• Solving Customer Complain. Giving Proposal for new cell site.

Tools Used:-

• CNA, CNT(Drive Test and Analysis Tool)

• NetNuman, CNO(BSC & Reporting Tool)

• Mapinfo, ATOLL(Planning Tool)

Anritsu site master, Biro Site Master(For VSWR & Return Loss)

•

Organization: Nemhans Solutions Pvt. Ltd.

4.

Designation : RF Engineer

Project : Reliance WIN-2007

Client : Reliance Communication, India

Technology : CDMA

Duration : Sept - 2007 to Dec -2008

Role & Responsibility:

• RF Drive Test using Agilent E6474A.

• Processing drive test data using LDAT 3G 4.12.0 & analyzing drive Plots.

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• Perform Physical Optimization like antenna orientation and tilting; sector Testing,

PN Verification, Feeder Swap, Antenna Verification. Perform VSWR measurements,

Distance to Fault Tests, Cable attenuations to ensure fault less RF Transmission

path (Cable, Connectors, antenna systems).

• Preparing and submitting ATP Reports and taking signup from customer.

• Testing HHO, SHO & voice quality.

• Responsible for the optimization of the network that includes drive testing and

tuning of cell parameters to achieve better quality of service, suggesting ways to

achieve capacity and coverage objectives.

• Analysis of System Performance Management and fine tuning the system by improving

CSSR, HO Success Rate, DCR etc.

• Analyzing KPI reports, and taking suggestive steps.

• Updating RF related forms (Cell2, Cell3g, ceqface, Ceqfqce3g, Cdhfl, Cdhnl,Fci) for

new sites .

•

Tools Used:-

• Agilent E6474A. TEMS Investigation(Drive Test

• LDAT, Actix(Post Processing)

• MapInfo, Google Earth(Planning)

EDUCATIONAL QUALIFICATION:

Bachelor in Technology(B.Tech) in Electronics and Telecommunication from BPUT,

Orissa, India.

CERTIFICATION & Training:

Certifications in “Associates-RAN” and “Associate - Radio Network Optimization”

from Ericsson Academy.

EDOS LTE RAN Analyzer Training by Ericsson Academy in August 2013

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