Resume - RF Engineer :: 3g/GSM/CDMA/UMTS

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Resume Title:

RF Engineer

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Work Experience

Experience level:

5-10 years

Profile/Cover Letter:

Not Specified


Recent Employer:	Prithvi Information Solutions
Job Title:	RF Engineer
Start Month/Year:	01/2007
End Month/Year:	Current
City:	Not Specified
Country:	USA
Description:	Professional Summary: • Professional Experience : (6+ years of Experience in RF Planning, Optimization and Network Performance of Cellular CDMA and 3G/UMTS, GSM/GPRS Network). • Abstract: Professionally resourceful and innovative in the design, planning, optimization and implementation of 3G/UMTS, CDMA and GSM wireless telecom networks. • Vendor Expertise: Lucent, Motorola & Nokia • CDMA: RF Planning & Optimization which includes all phases of CDMA cellular system, Design and implementation as well as determining RF Coverage, Capacity and Interference designs. Link Budget Analysis, system dimensioning for coverage and capacity. Sensitivity Analysis (Effects of Chip rate, Vocoder rate, Mobile Transmit power, T_ADD and T_DROP parameters, Orthogonally Factor, Building Attenuation, and System Loading on CDMA system performance, Optimization Experience of CDMA Network • UMTS/3G:UMTS Radio Planning which includes nominal planning, Propagation Model tuning, Coverage Planning, Capacity Planning, Carrying out TSS and SARF, Scrambling Code Planning, Neighbor List Planning and Data fill (Database).UMTS Radio Optimization in the form of Drive-Testing and its analysis, Neighbor List and Database Optimization. • GSM : BCCH Planning, Link Budget Calculations, BSIC Planning, Co-Channel interference Prediction and Optimization Database Parameter Planning like Cell Parameters, hand-Over Parameters, Neighbor List Parameters and Timers Tuning, Network Optimization with the help of Nokia Doctor by monitoring OMC Daily Statistics, Optimization Experience GSM network. • Proficient in using RF Planning & Optimization tools like Nokia NetAct, Motorola Netplan, Asset, Agilent Wizard, Nokia Nemo, Tems Investigation, Actix DV, Agilent E6474A & E74XX,Qualcomm CAIT, Lucent LDAT-3G,Nokia Network Doctor and MapInfo. Professional Experience: Employer: Prithvi Information Solutions Airtel/Bharti RF Planning of Bharti/Airtel Pilot Project: 3G/UMTS, Hyderabad Jan 07-Present Job Responsibilities: (3G/UMTS Radio Planning) Simulation and Modeling for Pilot Project (UMTS Planning) on 3G for Southern Province Market Of India i.e. Hyderabad.The Job Involves: • Nominal Planning based on the tentative forecasted traffic projections. • Propagation Model Tuning/Optimization. • Coverage & Capacity Planning, predictions with Design/Planning Tool.(Nokia NetAct). • Scrambling Code Planning & Neighbor list Planning. • Database Creation (Datafill). Freelancer Contractor. (Project agreement with Gimbel Consulting, Grasberg, Germany) Nokia/Cable & Wireless--(Seychelles Island, Mahe) Oct 06 – Dec 06 Project: Nokia/Cable & Wireless Nokia GSM Project. Job Responsibilities: RF Optimization: • Parametric Optimization • Database Optimization • Neighbor List Optimization • Drop Calls & Interference Analysis Nokia/DU –U.A.E—(Dubai) Senior Engineer-“RF Planning & Optimization" RF Planning & Optimization of Nokia GSM-2G and 3G UMTS Project. April 06 – Sep 06 Job Responsibilities: (3G/UMTS Planning) • Pre-Planning, Radio Planning and Pre-launch optimization. • Dimensioning the RAN network (number of channel elements, Node –Bs, RNCs) according to the coverage, capacity and quality requirement from the client (i.e. DU). • Planning the Node-Bs in the UMTS/WCDMA RF Planning Tool i.e. Nokia NetAct Planner, defining their related parameters: site coordinates, antenna type, antenna height, antenna tilt, antenna azimuth, CPICH Power, Cable loss, propagation model parameters. • Validating the site configuration in the field during the technical site survey visit and preparing the Technical site survey reports. • Setting the specific RF parameters for the site to be integrated : RNCid, WBTSid, MCC, MNC, LAC, RAC, SAC, CID, UARFCN Frequency, Scrambling code, T-Cell, Neighbors • Analyzing site performance after integration through drive-test measurement and or OSS Measurement, detecting eventual problems and recommending changes to fixing these problems. (3G/UMTS Optimization) • UMTS-3G Drive-Test for data-collection and post-processing for Network Optimization. • Recommendation of Neighbor optimization and Physical Optimization to achieve desired Pilot Coverage, Coverage Probability, Eb/No,etc by varying pilot power, azimuth, tilt resources etc. • Working on neighbor optimization for improving the network quality and KPI’s improvement. • Working on Call-Drop related issues for improving the network quality and KPI’s improvement. Freelancer Contractor. (Gimbel Consulting, Grasberg, Germany) Jun 05 – Mar 06 Nokia/Leadcomm (Israel), Bakcell (Azerbaijan)/Leadcomm & Nokia/Leadcomm (Africa) Senior Consultants-“RF Planning & Optimization" Job Function: RF Planning and Optimization of GSM/3G/UMTS Cellular Network. Project: A) Model Tuning and planning of 3G/UMTS Nokia Network in Israel for CellComm. : B) Optimization of Bakcell Motorola GSM Network, Baku, Azerbaijan (Ex.U.S.S.R States) : C) Planning and Optimization of Nokia/ETC GSM Network in Africa (Ethiopia) Responsibilities: • Model Tuning and Propagation Model Optimization for 3G/UMTS Network • Planning for 3G/UMTS Network using Nokia NetAct Design Tool • Optimization of Bakcell GSM Motorola Network, Baku City, Azerbaijan. • Planning and Optimization of Nokia/ETC GSM Network in Ethiopia Employer: Motorola India Pvt Ltd Description: Industry : Motorola, Inc. is a global leader in wireless (Handsets, Wireless Networks, and Mission), broadband, automotive communications technologies and embedded electronic products. Motorola is providing equipment, planning, and installation & commissioning to Tata Teleservices Ltd. in India. Client: Tata-Teleservices Ltd Dec 04 – Mar 05 Senior Engineer-“RF Planning & Optimization” Job Function: Radio Planning and Optimization Project: Motorola Expansion Project (CDMA-3G-1X) for Tata-Teleservices Ltd, Maharashtra Circle. Job Responsibilities: RF Design • Designing of a Cell Site performing prediction analysis, Spectrum Test, PN Offset and parameter planning to attain coverage and traffic objectives. • Site Surveys/ Technical Visits in coordination with TTSL Team; reviewing of all the possible Candidates and finally proposing suitable Candidate for Final Build. • RF Planning of CDMA sites based on Capacity or Coverage requirement using NetPlan Tool of Motorola Inc. • Finding Coverage deficient Areas/ Holes and suggesting remedial measures viz. re-orientation of Antennas, increasing the Tx Power or issuing Search Rings. • Performing Drive Tests for Optimization of CDMA Sites using Tool E6474A of Agilent Technologies and with Invex 3G of Grayson. • Post Processing of the Data Collected in Drive Test using ACTIX Tool of Agilent Technologies. RF Optimization • Responsible for developing the Network Optimization Plans; Performance Engg., BSS parameters fine-tuning based on post analysis of Drive Test data. • Addressing Problem Areas, reduce RF interference hence improving overall Coverage/ Call Quality of the Network. • Asking Antenna Orientation Checks/ Changes, Antenna Configuration Changes and Tilts etc. to improve the Performance of Site(s). • Responsible for follow-up investigations to ensure the modifications to existing Cell Site configurations and BSS parameters provided the expected improvement to System Performance. • Parameter Audit and Optimization. • Performance Analysis Employer: ADA Cell Works, Malaysia. May 04 – Sep 04 Industry : Telecommunication Client: Nokia Designation : Senior Engineer-“RF Planning & Optimization Project: Nokia Swap & Expansion Project (GSM) for Bharti Cellular Ltd, Maharashtra Circle. Responsibilities: • Radio Planning of New Sites and Optimization of Swapped Nokia Sites. RF Planning (GSM Network) • Site Surveys, Site Selection, Antenna Planning • Model Tuning • RF Planning with Planning Tool for Coverage Predictions i.e. NETACT-Ver-4.0 (Nokia) • LAC /BSIC Planning • Frequency Planning RF Optimization • Analysis and optimization of network using DRIVE TESTS by TEMS INVESTIGATOR-4.1/Map Info Professional to solve the RF Related Problems. • Coverage testing of cell and analyzing areas having interference problem • Verification of Interference, Rx quality and Rx level & Verification of neighbor relation definitions. • Monitoring layer 3 messages & Traffic Trend & Network Quality Analysis • Coverage Optimization – Level and Quality Optimization to ensure Client meets level and Quality Commitments • Database Parameter Optimization - Motorola and Nokia, Optimum Tuning of various parameters • Fine tuning of the BSS parameters - Hopping, Power control, Quality and power budget handovers, neighbor optimization, congestion relief. • Handover Optimization • Responsible for the RF related changes to be implemented after discussion with Vendor/Client personnel’s • Identification of RF / Network problems in Log Files • To analyze the daily stats of the sites to find out the sites performing badly. • Problem Identification with help of Long Term Trends and Event Relations • Identification of BSS Hardware Problems on Field and with Statistics • Identification of MSC Issues • Skills to relate problems faced by Subscribers to RF Optimization/RF Planning Issues • PRO ACTIVE Optimization to Achieve KEY PERFORMANCE INDEX PARAMETRS set by the Client. Employer: Reliance Infocomm Ltd. (The Biggest CDMA 3G Operator in India) Dec 00 – Apr 04 Industry : Basic Service Operator (WILL-CDMA-3G-1X) RF Planning & Optimization (CDMA-3G-1X N/w in AP, India) Description: Job Function: RF Planning & Optimization(The Job involved Cell site planning, evaluation, design and implementation of the latest state of art in CDMA wireless networks for the entire Andhra-Pradesh, Southern India.) Responsibilities: RF Planning (Cdma-3g-1x Network) • CDMA Capacity Calculations for 1X system. • Deciding on the Coverage Area, and Preparing Demand Grid in Co-ordination with the Marketing Team. • Finalizing on the design parameters for preliminary design of 1X System. • Link Budget Calculations-Maximum Path Loss, Cell Radius Calculations for different morphologies, Determination of number of Cell-Sites required meeting both Capacity and Coverage Objectives. • Planning of Candidate Site (locations) using MAP INFO GIS Software Package. Finalization of Search Ring. • Field RF Survey, Site Identification and Selection. • Collection of input data for the planning tool WIZARD with the use of GPS, MAP-GRID as well as TOPO Map Study etc. • Coverage and Interference (Pilot Pollution) analysis of sites using Agilent RF Planning Tool-WIZARD. • Check for all Possible Interference on air-interface. Calculation of GSM Isolation due to Candidate Sites. • Co-ordination with Commercial Team in Site Acquisition, Identification of alternate site for acquisition problems. • Filing application for SACFA Clearance • Detailed RF Survey of finalized Sites. • Spectrum Cleanliness Test for finalized sites using ESA 4402 Spectrum Analyzer and Interlink Software. • Performed drive test to evaluate RF coverage and to tune the model, using Berkeley Varitronics Systems. • CW Test of sites for Critical site Validation and Propagation Model Optimization using 20 Watt Transmitter,E6452 Digital Receiver and E74XX agilent’s Wireless Software-CW Test Procedure finalization, selection of sites for CW Test, Selection of Routes for Drive Tests, CW drive test of sites. Determination of Slope, Intercept and Sigma from drive test results. • Review of additional Sites requirements. (Integrated new cells into existing network). Network Implementation • Coordination with Engineering Team for finalizing tower location, Shelter location, RF Feeder Cable Routing and DG, Location of Antenna Positions for Pole Mounts. • Recommend and implement new antennas, including: Down tilt (electrical & mechanical), re-orientation (azimuth and /or height) and beam width specifications. • Preparation of Check lists for BTS Site Inspection. • Inspection of Tower, Earth Pits etc. • Planning of Site Specific RF Cable (7/8 inches) routing, determination of site specific cable length requirements. • RF Feeder Cable Testing using Site-Analyzer.(sweep tests) • RF survey for Capacity sites and finalization of both Coverage & Capacity Sites. • Commissioning and Integration of Lucent Flexant Modcell-3.0 • Preparation and implementation of data transcript, forms up-dation for site Integration. RF Optimization • Analysis & optimization of network using DRIVE TESTS By Agilent Tool, CAIT & LDAT • Working on the 3G1X tools. - Route Planning /Guidance to RF engineers for data collection, PN verification, sector verification. • Working on the CAIT 2.6 (Qualcomm) data collection tool for data collection and optimization • Working on LDAT 3.1 / LCAT 1.2 (Lucent tools) for data loading and optimization • To work on ECP forms, OMP commands, RF Call Trace, OCNS Loading, Site alarms • Weak pilot area optimization/ Neighbor addition and deletion/ Pilot pollution optimization/ Antenna orientation and down tilts. • Tuning network parameters & A systematic method of analyzing common network problems • Improving voice quality & Managing neighbor lists • Increasing Radio Frequency (RF) coverage & Reducing call-drop rates • Reducing access-failure rates & Reducing blocked calls • Increasing system capacity &Identifying coverage areas and conducting site surveys • Site selection and conducting initial drive test. • Daily traffic and statistics measurement reports for different cells for the purpose of Optimization. Tools: • Nokia NetAct Ver-4.2 Nokia Planning Tool • Motorola Netplan Motorola Design Tool • Wizard Agilent Planning Tool • OPNET –MIL-3 Network Planning Tool • ACTIX Post-Processing Tool • TEMS Investigation (5.2),(4.1) & (3.2) • Nokia Nemo Drive Test • Grayson Inverse-3G-1X • Willtek Griffen Data Collection Tool • Huawei Sagem Data Collection Tool • Huawei Post-Processing ANTPILOT Tool • Agilent Air Maintenance Tool (E6474A & E74XX) • Qualcomm CDMA Air-Interface Tool(CAIT) • LDAT-3G-Lucent • Agilent Spectrum Analyzer-E4402B • GPS • Site masters-Birds Analyzer • Power Meters Professional Training: • • Training on CDMA by Qualcomm(Through Reliance Infocomm Ltd) • Training on CDMA IS-2000 by Lucent.(Through Reliance Infocomm Ltd) • Training on RF Performance Engineering by Lucent.(Through Reliance Infocomm Ltd) • Training on RF Prediction Tool i.e. Wizard(Agilent Technologies) by Agilent Technologies(Through Reliance Infocomm Ltd) • Training on Lucent’s Flexant/Auto-plex Wireless Networks Overview. • & M Training on Lucent’s Flexant Modcell-3.0 • In-House Training on Lucent Flexant BTS Modcell-3.0 Commissioning and Integration. • Hands –on-Lab-Training on Lucent Switch (5ESS-DCS) by Lucent Technologies. • Training on Fault Management for NMS by TTI. • Training on Network Planning/Modeling and Simulation using OPNET tool at Advanced Training Institute of Information Technology, Chennai. The Training was conducted by the team of professionals in India and academicians from IIT’s and IIS’C and was specially trained in OPNET tools by the MIL3-Opnet Technologies. Certification: • Post-Graduation Diploma in Communication Network Design. (Advanced Training Institute of Information Technology, Chennai)

Education & Training


Education Level:	Bachelor's Degree
School Name:	University of Mumbai
Major:	• Bachelor of Engineering
City:	Not Specified
Country:	India
Graduation Date:	Not Specified
Description:	Not Specified

Languages

No submited languages

Job Preferences

Job Category:

3g/GSM/CDMA/UMTS

Job Type:

Contract

Job Status:

Immediate

Desired Salary:

$0 Unspecified

Desired Location:

Anywhere

Willing to Relocate:

Yes

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