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RF Optimization Engineer

Location:
Sacramento, CA, 95825
Salary:
$55/hrs
Posted:
December 07, 2011

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Resume:

Jitendrakumar Patel

E-mail: *********@*****.*** Phone: 203-***-****

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SUMMARY:

• Master of Technology Management with wide-ranging knowledge of UMTS/GSM concepts with emphasis on Optimization, Planning and Design in telecommunication Field.

• Experience in creating Drive routes using MapInfo, Street Atlas and Microsoft Street and Trips for cluster and market drives during Network Deployment and Optimization.

• Experience on Analysis Drive test data with ActixOne/TEMS and Reporting of RF and Network Problems like Pilot Pollution, Bad Coverage area, Drop Calls, Access Failures, Handovers Problems (Intra Frequency, IFHO,IRAT ,Low Throughput )

• Excellent experience in the improvement of 2G & 3G networks performance and customer experience through the use of parameter optimization, optimization of IRAT handovers, analysis of network statistics and application of radio network optimization techniques.

• Post processing of 3G TEMS log files on ERICSSON WCDMA TEMS Investigation tool for Successful Call Setup & Termination, Soft/Hard & Inter-RAT Handover verification for integrating new 3G site.

• Excellent experience in modify 3G parameter to improve 3G networks performance.

• Working on various types of Drive testing like Cluster verification, IRAT, Single Site Verification, 911 testing.

• Excellent Working knowledge of network design and overlay. Call Routing and possible errors leading to errors in the overall network performance.

• Expertise in troubleshooting, testing and post processing of RF data acquired through RF Drive testing techniques and procedures.

• Good team player with excellent communication, analytical, written and presentation Skills and strong aptitude towards learning new technologies.

Technical Skills

• OS Platforms: Windows NT/98/2000/XP/Vista, Unix/Linux.

• RF Tools Awareness: Ericsson OSS, BO, ACTIX Analyzer and Missing Neighbor Analyzer, X-CAL, MapInfo 10.0, Agilent Drive Test Equipment, and Ericsson TEMS 14.0.4, Actix Spotlight, ActixOne, T-PIM, REWSS, WiNOT 2.6.0, SORT, Homer, Microsoft Street and Tips, Atlas Street and tips GPS tool

• Technology: UMTS, WCDMA, CDMA, GSM, HSDPA, EVDO.

• Drive test: Cluster drive, Stationary drive, IRAT, 911 testing, Shoehorn testing.

• Good interpersonal skills; capable of handling multiple tasks and priorities; self motivated; display initiative. High ability to understand and quickly apply new technologies in a fast changing environment.

Experience:

WAVSYS Inc.

T-Mobile (HSPA+ Engineer), Sacramento, CA Apr 2011 – Present

• Working with T- Mobile on second carrier, doing performance, setting KPIs with the help of Ericsson OSS and T-PIM.

• Responsible for the daily monitoring of the performance UMTS sites after modifications to ensure a non degradation of KPIs.

• Monitor the before and after performance of sites after upgrades (tilts, antennas changes, etc…) and fix any issues.

• Troubleshooting RF issues (Pilot pollution-dominance, link imbalance, PSC Planning, Missing Neighbors), Idle mode Issues (access and paging, RRC Setup failures and RAB Set Up).

• Drive test analysis, Post processing, call flows studies, Drop calls, handover process, Pilot Channel RSCP Level and Interference Ec/No. Parameters tuning, neighbors definition, Design and sites modifications (Tilt, azimuth, height, etc…).

• Adding of any new nodes like RBS, RNC, GGSN, MSC etc using Ericsson OSS.

• Generating WNCS report and add Nbr if needed.

• Adding/Deleting a neighbor Intra-freq 3G Nbr, Inter-freq 3G Nbr and IRAT Nbr using Ericsson OSS

• Optimization of Dual Carrier, Traffic Management, CS and PS Drops, Soft Handover analysis, IRAT HO analysis, Neighbor optimization, Pilot Pollution, Air Interface Analysis, BSC/RNC dimensioning, Interference analysis.

• Recommend optimization and parameter changes as needed. Worked to maximize Network capacity and throughput.

• Implementing parameter Changes and setting up recordings.

• Check the parameters and make update in SORT for Second carrier sites.

• Providing general RF support to Operations in troubleshooting hardware and software related issues.

• Monitoring stats on daily basis. Optimize problem areas to improve the KPIs and if needed issue work orders for any changes.

• Working on Re-homing activities of nodes using Ericsson OSS.

• Working on Ericsson OSS to Generate KPIs for REhome sites and provide statistics to the market.

• Analyzed clusters of Sacramento market for missing neighbors, over shooter and Cross feeders sectors and try to make some changes.

• Analyzed individual sectors for appropriate containment & pilot dominance.

• Worked on Top Offenders sites from T-PIM report and try to rectify the issue to maintain low voice rate of accessibility and retainability of the sites.

• Co-ordinate with the market field technician and Switch if site is down and generate the trouble ticket with the help of HOMER to respective technician.

• Generate missing neighbors report and try to add a neighbor which seems to be adding and delete excessive neighbors on the basis of RL attempt for voice and data both to make a room for second carrier or avoid SIB11 problems.

• Resolve the customer complaints and give the comments with the help of performance tool, Map-Info, Google Earth or if necessary make a drive around the location.

• Check the performance of the assigned market’s sites on the daily basis and report to manager on weekly RF- Call conference.

Technologies/Tools Used: UMTS-WCDMA, Ericsson OSS, T-PIM, HOMER, SORT, WiNOT 2.9.5, REWSS, MapInfo 10.0, Google Earth ActixOne, Microsoft Excel, etc.

Avion Systems Inc. Raleigh, NC Sep 2010- Mar 2011

AT&T (RF Engineer)

• Experience on Analysis Drive test data with ActixOne/TEMS and Reporting of RF and Network Problems like Pilot Pollution, Bad Coverage area, Drop Calls, Access Failures, Handovers Problems (Intra Frequency, IFHO,IRAT ,Low Throughput )

• Analyses call statistic such as Drive Test Data (Layer 3 Messages) call setup time, dropped call rate, Origination and Termination Failure Rate with ActixOne and generated the KPI reports with Performance and Optimization tools.

• Presentation of daily test report of events like dropped calls, set up failures, periods of Bad quality (BLER), pilot pollution and low EC/Io, periods of low signal strength, handovers Failures, UMTS cell update problems.

• Analyze statistic data generate from drive test and do optimization for MS receive power, MS Transmit power, Ec/Io 1st best, Forward FER, Pilot Pollution with the other PN, PN 1st Best Ec/Io, Soft Handoff and Missing Neighbors, Handoff state with ACTIX Spotlight and Analyzer.

• Recommendation (Azimuth, Power, Tilt, Cell/Node/RNC Parameters) as per drive test data/Terrain to meet Agreed KPI.

• Swap Sector Analysis / SC inconsistency Check – To identify the sector swaps and/or improper data fill of Scrambling codes

• Azimuth Verification – To identify the difference between the azimuth deployed and azimuth designed.

• Missing Neighbor Analysis – To identify the reported missing neighbors and recommend the required neighbor list changes.

• Analysis of Pilot Pollution / Interference / Pilot Overshoot – To identify the possible cause of poor EC/No, poor DL BLER, High SHO overhead, etc.

• Drop Calls / Access Failure Analysis – To identify the reason for Drop calls and Access Failures and provide to solutions to resolve.

• Worked on TEMS Investigation ver. 10.0.4, Collect UE physical measurement (SC, RSCP and Ec /No) for the entire active cell.

• Performed an audit on power related parameter settings (Max output power, CPICH power, AICH power)

• Generated report on RF parameters, Asset Planning Tool and kit (TEMS and Agilent), Antenna Serial Numbering with Cell phone numbering. Also making report for project estimation, project tasking and Administrative task (Budgeting, Efficiency, Right at time, etc.)

• Reported to project Manager Daily, Weekly, Bi- Weekly, Monthly and Quarterly in form of XML, MS WORD, and MS EXCEL.

Technologies/Tools Used: UMTS-WCDMA, Ericsson OSS, ActixOne, Business Object, OptPCS, TEMS 10.0.4, MapInfo 10.0, Microsoft streets and trip, Street Atlas, Microsoft Excel, Microsoft Power Point, Microsoft Outlook, Agilent, Actix Spotlight & Analyzer.

INFLUX SOFTWARE SOLUTIONS INC (New Jersey, NJ) April 2010- Aug 2010

AT&T (Associate RF Engineer)

• Performed RF Engineering related technical analysis of collected drive test data(i.e. coverage plot, C/I analysis)

• Monitored the network performance based on reports (% Call Setup Success, %RF failures, % Handoff failures, %Drop Calls etc.)

• Analyze drive test log files and give recommendations using TEMS Investigation 10.0, TEMS Discovery and OptPCS

• Respond and follow-up to the end users complains.

• Perform periodic parameter consistency check in order to maintain the parameter settings.

• Recommended tilts based on drive test data and propagation delay using E RAN tool.

• Optimize data in OptPCS and made changes to make cluster KPI green.

• 3G-3G and 3G – 2G neighbor planning and scrambling code planning.

• UMTS site integration by performing Scrambling Code check, SHO, HHO, Cell reselection, inter system handover and antenna swap test.

• Optimizing the antenna orientation and tilt for UMTS coverage and Ec/Io enhancement

• Used Delorme TOPO USA 5.0 to see how the bad terrain is.

• Verify IFHO and IRAT handover in cluster boundary and made necessary change handover threshold parameter base on cluster drive.

• Analyzed soft handover, IFHO & IRAT neighbors and made necessary changes base on base line drive (First drive).

• Performed Link budget Analysis, in building design and site configuration analysis to improve KPI

• Created site modification requirements for system KPI improvements including antenna changes, down- tilts, power, azimuth changes, power control and VSWR measurement

Technologies/Tools Used: UMTS/GSM/GPRS/EDGE, TEMS 10.0, MapInfo, OptPCS, E RAN, Microsoft streets and trip, Street Atlas, Delorme TOPS USA 5.0, Microsoft Excel, Microsoft Power Point, Microsoft Outlook, Actix Spotlight & Analyzer.

Bharti Airtel Ltd, Ahmadabad, India Jan 2005 – Dec 2007

Associate RF Engineer

• Network Optimization for GSM Technology and Planning & Optimizing GSM/GPRS/EDGE Networks.

• Experienced on ACP tools for RF Optimization and analysis on drop call, Block call, RSS connection failures and network connection.

• Experienced on Coverage optimization ,IRAT handover optimization, Single cell coverage analysis, Swap sector and BCCH Consistency check, Access failure and dropped call analysis

• Analyzed RF Drive Test Data using TEMS, Interpreter (Network Analysis Software) and ACTIX, generating the required documentation and reports

• Analyzed call statistic such as call setup time, dropped call rate, Origination and Termination Failure Rate with ACTIX

• Analyzed and verified statistic such as Drive Test Data (Layer 3 Messages) call setup time, drop call rate, Origination and Termination Failure Rate with ACTIX and generated the KPI reports with Performance and Optimization tools.

• Analyzed failure event such as Call drops and Call setup failure for Circuit Switched and call setup failure.

• Performed RF drive testing to carry out propagation and signal measurement

• Worked on TEMS Investigation ver. 8.0.2, Collect UE physical measurement for the entire active cell.

• Verified handover functionality, Verify the network, site functioning properly, antenna positions, antenna directions or tilt and swapped feeder.

• Verified site functioning properly and Radio quality (BLER) requirement on several different radio services, the network.

• Identified major call-related problems (dropped calls, Blocked Call, Call set up Failure, Network Failure hardware problems etc.)

• Generated Export log file, Report generation for collected UE data.

• Experienced Post processing of drive test data, submission of coverage verification report including recommendations on all the candidate sites.

• Experienced Optimizing, analyzing, and improving performance of CDMA Network.

• Responsibilities for monitoring and improving network performance on cell sites to meet objectives for call drops and call blocks

• Strong Experienced on Radio Network Analyses, GSM Cell Coverage Analysis, Definition, Updates, Modification and surveys (Based on Scanner/Handset data)

• Performed an audit on power related parameter settings

• Undertake BSS/Node B parameter modifications

• Generated report on RF parameters, Asset Planning Tool and TEMS kit, Antenna Serial Numbering with Cell phone numbering. Also making report for project estimation, project tasking and Administrative task (Budgeting, Efficiency, Right at time, etc.)

Technologies/Tools Used: GSM/GPRS/EDGE, Ericsson OSS, TEMS 8.0.2, MapInfo, ActixOne, Microsoft streets and trip, Street Atlas, Microsoft Excel, Microsoft Power Point, Microsoft Outlook, Actix Spotlight & Analyzer.

Academic Background

• Masters in Technology Management, University of Bridgeport, Bridgeport, CT, USA

• Bachelor and Masters in Commerce, Gujarat University, India



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