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0-5 years of experience
Coordinated Nokia Siemens Networks (NSN)-Vodafone 2G Drive Test project, managed a team of 3 drive-test engineers and conducted tests for nearly 150 sites in a period of 9 weeks.
- Prepared reports of the conducted drive tests using MapInfo and checked for network related performance issues in the received data.
- Performed voice call testing for newly established and relocated sites for NSN-Vodafone 2G Drive Test project using TEMS and helped in tuning cell foot-print to the predicted model.
- Monitored various radio parameters and channel related parameters of each site.
- Checked for blocked calls, dropped calls and optimum intra-cell and neighbor handover functionality of each site.
0-5 years of experience
Monitored Wyoming and Montana sites performance using real time performance monitoring tool QUANTUM.
- Was responsible for finding the sites with performance drop and report those sites to performance engineers.
- Monitored the KPI's of soft launched sites during one month optimization window.
- Generated the daily performance report for Wyoming and Montana with list of top CQI Offenders and reason for the performance drop using QUANTUM and optimization tool COPS.
- Worked with Performance Engineers to identify the cause for performance drop and solve the issue to restore the site performance.
0-5 years of experience
Worked as an RF Engineer in various project specific roles with the goal of providing superior engineering service and winning customer confidence.
- Designed Cellular & ISM band wireless networks using coverage prediction and simulation tools such as dB Planner & EDX pro. Optimized designs based on site coverage objectives, drive tests and other field data.
- Responsible for developing link budgets, conducting studies and recommending equipment including site selection and antenna design based on client RF technology (ISM license-free bands, LMDS, Cellular bands, Microwave links) and on RF link quality & availability assurance and other business requirements.
- Supervised and managed vendor and deployment teams, variously comprising of 10-20 team members from Nortel Networks and Teligent Inc, to manage project plans, coordinate daily engineering test and deployment activities, and to resolve or escalate deployment or engineering issues in a timely manner, for "on-time" deployment of Teligent's high speed LMDS wireless network in the Western US markets.
- Responsible for investigating RF field issues pertaining to radio performance in for WFI customers. Undertook several field trips to various client sites to resolve system performance issues such as radio interference, inadequate RF coverage, poor digital link quality, improper site implementation or compliance with regulatory standards.
0-5 years of experience
Used HFSS to study the effects of the parasitic ring on alien crosstalk in the VisiPatch 360 block to enhance quality
- Performed S parameter Characterization of prototype Cat6A RJ-45 connectors using VNA Connectors were characterized for RL, IL, NEXT, FEXT and Alien crosstalk performance.
- Tuned Ethernet plugs to meet ISO/TIA Cat6A qualified test plug requirement
- Presented comparative study of HFSS simulation between multiprocessor (MP) and Distributed Solve Operation (DSO) to optimize the use of server for simulation purpose.
- Developed parts lists and placed orders for test systems and created documentation package including test procedures and instruction manual
- Built and characterized through artifacts and performed full 2-port S-parameter to be used for VNA test fixture calibration
- Performed High Voltage Breakdown tests for MGS series outlets
0-5 years of experience
Working on VoIP testing in the VoLTE team for AT&T
- Performed RF Drive Testing and data logging for HSPA+ and LTE, signal verification, data collection using Hasati Network KPI, Hasati CSMOS KPI, Hasati VoIP KPI and Qualcomm QXDM Logger
- Performed network optimization from design to implementation and process improvement and created drive routes for testing and optimizing the network.
- Worked on post drive data analysis in close coordination with optimization engineers using EDAT for network optimization
- Prepared daily status reports and weekly pre/post drive reports and supervised and trained quality engineers for testing.
0-5 years of experience
Efficiently managed project of regulatory process for the region. Effectively coordinated with RF engineers, construction, and equipment engineering personnel to ensure that the selected sites meet the RF engineering, regulatory, and compliance requirements. Provided updated status to other groups such as the implementation group. Responsible for filing FCC applications for Wireless Transmission Sites to ensure that Verizon Wireless is in compliance with the FCC guidelines. Ensured compliance with Regulatory Directives by accurately maintained station records/site files. Coordinated all filings, and track, and follow up on approvals to ensure that they are granted ahead of the Verizon Wireless site activation or modification. Actively worked with Real Estate Managers, Site Acquisition Managers, Zoning Managers, as it relates to new Site Build, LTE, UMTS, COWS/COLTS, Tower Modifications, and/or Cell Relocations, small cells, etc.
- Created, maintained, and received on purchase orders related to site activities.
- Perform radio engineering evaluation for system planning and site acquisition.
- Efficiently generated the FCC, and radial reports to be submitted with the FCC filing by utilizing prediction (GeoPlan) tool.
- Efficiently processed Federal Communications Commission (FCC), and Federal Aviation Association (FAA) filings, and submit them to the VZW HQ network regulatory group.
- Coordinated accurate review of all regulatory, and compliance documentation pertaining to the approved candidates.
- Extracted all pertinent Radio Frequency information about the site and get any required AM study and border extension agreements by working with the RF Engineers.
0-5 years of experience
- Analyzed AT&T, Verizon, Sprint, T-Mobile voice and packet networks for existing received signal strength ratio and call/connection drop-block measurement
- Analyzed scanner data and existing GSM/UMTS/EDGE/HSPA and CDMA networks (1x and EV-DO); applied the results and different scenarios together to maximize the wireless network quality.
- Assisted in management of capacity related projects and performed candidate evaluation to determine final cell site locations
- Determined the licensing for each band of the existing network under FCC licensing and analyzed the channels at different cell locations accordingly
0-5 years of experience
- Responsible for new cell site design and selection meeting pre-launch coverage and capacity requirements using MSI Planet for a greenfield PCS digital network covering MTAs in Oklahoma, Arkansas, Kansas and Texas.
- Collected and analyzed drive test data with Grayson Inspector, Agilent e6471a, and Actix Analyzer.
- Conducted cell site integrations, continually enhancing our call quality and network footprint.
- Created and presented coverage maps to the board of directors and senior management using MapInfo.
- Duties expanded to senior-level engineer tasked to not only improve the customer experience and maintain responsibility for network performance as well as guidance and training of junior engineers in giving the best for our customers on a daily basis.
0-5 years of experience
Designed, implemented, tested & validated dual band TX (EU/US bands) in a GSM/GPRS/EDGE S40
mobile phones ([company name] C2-01, Asha 310) based on Intel RF chipset X-Gold 223/213
- Acted as a bridge between Chip/Component Supplier and Product programs to effectively resolve TX RF
- Debugged TX RF issues and created TX test plan and test environment/setup/templates
- Optimized Ramp timing and shape to fix 100 MHz spurs and Switching spectrum over Temp and Voltage
- Evaluated TX Production tests, Platform vendor's production, reviewed [company name] Production test spec and approved TX production limits
- Achieved Qualification of RX Saw filters for high volume production
- Verified 2nd source components in Customer Programs
- Achieved Type approval certification of TX(EU/US bands- [company name] C2-01, Asha 310)
- Supported Product Prototype Builds in Salo, Finland
0-5 years of experience
Analyze, prevent and solve different types of interference issues between customers. Perform studies to maintain compliance with FCC and OSHA rules regarding EME compliance standards. Directed and instructed contractors in the maintenance, repair and upgrade company owned systems.
- Resolved technical issues associated with new site occupancy requests increasing customer satisfaction with the company.
- Oversaw multiple projects and contractors simultaneously for site relocations, master antenna system build-out, upgrades and repairs resulting in decreasing operating cost.
- Conducted RF interference studies including intermodulation and receiver de-cense calculations to avoid possible interference issues.
0-5 years of experience
Designed and developed a GaN HEMT (Gallium Nitride High Electron Mobility Transistor) based S-Band Power Amplifier with an output power of 6W.
- Designed the input and output matching networks for the Power amplifiers using distributed matching technique in Advanced Design System (ADS) design tool.
- The input and output matching networks were simulated using Momentum and finally, co-simulation of the complete amplifier circuit was carried out.
- After finalizing the circuit, the layout was drawn in AutoCAD. The final circuit have been fabricated, assembled and tested successfully.
- Design and developed a L-Band (1-2 GHz), 8Watts, Power Amplifier
0-5 years of experience
Performed Air Interface Optimization and Testing in LTE environment with various versions of TEMS and Air Interface Test tools
- Performed various Protocol Tests, Short call and Long call analysis, SSDs, IRAT, Super Cluster Drive Tests with multiple UE's
- Data Analysis from the Drive Test Log files and suggesting necessary changes in the testing methods.
- Data Analysis for Uplink, Downlink, Ping-Access test and Jitter of signals.
- Developed and Implemented Testing/ Troubleshooting Procedures after communicating with other RF Engineers and trained team of technicians.
- Analyzed sector swaps and interference at the sites.
- Coordinated with Ericsson and GLOTEL teams to optimize network.
0-5 years of experience
- Created drive phases, processed and analyzed drive data on WindCatcher Plus, created recommendation reports and accomplished project milestones before timeline for Verizon’s VoLTE markets
- Audited Verizon’s LTE network for several markets and proposed LTE parameter modifications based on the drive test data for enhanced network performance
- Planned 4G parameters like Physical Cell ID, Root Sequence Index Number, TAC & TAL, Neighbor List, etc. for Sprint sites across multiple LTE markets
- Generated layers of future deployments on Mentum Planet 5.7 and exported them to prepare detailed presentations for client review of the design
- Designed outdoor Wi-Fi network for Cablevision’s NYC market to provide seamless coverage to the target locations, while keeping the interference to minimum levels
- Recommended PN offset changes to the Sprint optimization team for the reported sites and to-be deployed COW sites. Maintained and updated Sprint’s market playbooks accordingly
0-5 years of experience
Worked as a member of design teams for implementing RF power amplifiers.
- Software controlled high power filtered 30W amplifiers - 3 dual band systems (CONUS, OCONUS and 700/800) and 3 single band systems (iDen, PCS and UHF system).
- 25W multi-band and highly integrated amplifiers for Government agency.
- Analyzed design/build concepts of RF communication system to evaluate producible design/build definitions.
- Served as a project leader in activities requiring joint efforts with other branches and contract manufactures. Developed statements of work for coordinating with contract manufactures to design and manufacture complex amplifier modules and systems.
- Performed a variety of cost analysis to determine make or buy decision.
- Reviewed user experience issues and deficiencies and escalate those to design teams that can be addressed by firmware or hardware improvements and/or revised functional specifications of amplifiers.
- Developed diagnostic plan, diagnostic procedures to ease and speed the repair of RF amplifier systems.
- Monitored and evaluated the need for retrofit repair as well as determined retrofit options, effectiveness, feasibility and repair costs. Interfaced technically with customer and improved retrofit/repair completion time by 8% with a direct use of process improvement.
0-5 years of experience
Created and maintained Radio Frequency Data Sheets (RFDS) for L700 as per scoping on the [company name] project.
- Updated Sort and Asset for Lemming for E911 test for Modernization and L700.
- Worked on Propagation plot generation for new sites in Asset and created new custom configuration for L700 using Microsoft Visio.
- Approved and updated RFDS drawing CD file as per RFDS and customer request for changes.
- Verified GMLC data for E911 test in Lemming.
- Updated the Asset too for L700 and L1900 for single enode B Site.
- Created ad-hoc new node and carrier in Asset as per site requirements.
0-5 years of experience
Developed Tri-mode Verizon folder phone as a RF engineer
- Evaluated Power Amp, LNA, PLL, Mixer, coupler and divider
- Developed evaluation board for system integration prior to build real product
- Improved TIS Performance about 5dB with adding the RC filter on LCD FPCB data line
- Optimized RF Calibration parameter such as LNA switching point and temperature compensation on condition high and low temperature
- Performed LCD Sub PCB and FPCB artwork with PADS
- Reliability Test and supported Quality control team
0-5 years of experience
- Performed data collection using Tems Investigation for macro & micro sites to meet traffic and coverage requirements.
- Assured that the sites are properly installed for E911 required parameters.
- Analyzed the collected data for drop calls, coverage holes and setup failures.
0-5 years of experience
Completed the development of an 800 MHz combiner board and a dual-band 800 MHz/2.1 GHz combiner board. Supported the project from prototype build to pilot production run.
- Conducted all pre-production RF testing and characterized the modules for insertion loss, input/output return loss and isolation over full temperature range.
- Implemented necessary PCB design changes for pilot production build.
- Kept management apprised of the project during weekly meetings.
0-5 years of experience
Helped in the conception of a Radio Network for the customer "Group Mobile Telephone
Networks" (MTN- Ivory Coast)
- Supported the deployment of MTN's Radio Network
- Programmed frequencies in Motorola's two-way radios and transmission relays using Motorola
- Successfully configured Radio local loops with Motorola Canopy, for voice, video and data
- Successfully configured Thuraya satellite telephones on customers sites
- Advised costumers in choosing the right equipment for their radio networks
0-5 years of experience
Diagnoses Interference, Throughput, Coverage , Power Control and Transmission Path performance issues and develop action plan for resolution
- Checking daily KPI's of the network on cluster and site by site basis and make sure they are meeting the required target
- Post processing of the field collected data using Actix analyzer to generate the required site reports.
- Monitor System Performance Indicators such as RSCP, Ec/Io, Pilot Power, and UE TX Power, HSDPA Throughput, BER, FER, Blocked Calls, and HO failure.
- At a sector level, optimize neighbor relations by adding and removing neighbors
- Post processed Agilent log files using Actix Analyzer and Performed network performance evaluation drives using Agilent E6474A.
- Prepared drive routes on Street and Trips for the cluster driving by using MapInfo
- Plot RSCP and dropped calls on MapInfo and create thematic Map, legends and adding/deleting layers for better understanding of the system.
0-5 years of experience
- Spearheaded Falcon III MBHH factory introduction and production support at Culver and Carlson Road
- Wrote the RF hardware portion of the Falcon III MBHH factory troubleshoot guide to assist production technicians
- Managed MBHH production support and cost reduction efforts during supervisor's multi-month absence in summer 2007
- Introduced statistical data analysis to improve MBHH production test environment and first pass yields
- Used statistical analysis to demonstrate that cost reduction changes did not degrade performance; Presented results to upper management
- Received Harris cost reduction award in return for cutting MBHH material costs 40%
- Mentored subordinates about MBHH operation, RX/TX board operation, and RF test methods
0-5 years of experience
Administered and Chaired the planning and optimization team
- Planned and implemented RF optimization for CDMA network
- Executed signal coverage, quality, interference and call quality(CQT) tests
- Optimized and Analyzed abnormal KPI and neighbor list, cell parameter, and draw out analysis report
- Performed Drive Test and Antenna Optimization for CDMA EVDO and CDMA 1x network
- Represented ZTE as Technical Management team for network performance, optimization and planning
- Delivered Technical training to operator Engineers, consultants and ZTE optimization team
- Simulated and demonstrated network performance with coverage for Operator management team
0-5 years of experience
Performed RF engineering for AT&T affiliate for RF design and deployment of TDMA IS-136 network.
- Designed network for Lubbock, Odessa, Midland, Abilene and San Angelo, released search rings, identified and evaluated network candidates, conducted site walks to assess candidate's suitability.
- Performed system dimensioning for coverage and capacity.
- Conducted drive test for model tuning and site verification using Grayson equipment.
0-5 years of experience
Performed testing and troubleshooting procedures at cell sites using RF tools
- Supported the Alcatel Lucent RF optimization engineers and design teams
- Trained other team members on RF kits and generated reports
- Post processed the drive data using MapInfo and recommended analyzed the data for sector
0-5 years of experience
- Periodically monitored a list of sites assigned for call traffic troubleshooting support of multiple regions.
- Analyzed and troubleshoot KPIs regarding call failures alarms, modified tilts, Power Tx, neighbors, Hand Overs, IRAT, pilot pollution and other related issues.
- Collaborated with field engineers in troubleshooting and resolving site issues by maintaining multi-disciplinary bridge support.
- Communicated on project status to upper level management for all launch activities.
- Participated in calls with clients to discuss escalations and follow up on market specific queries.
0-5 years of experience
Performed RF cascaded analysis using Syscal
- Designed 158W local oscillator power amplifier driver
- Designed and delivered a compliant 100W singly terminated diplexer
- Designed 1kW low pass filters using passive lump elements
- Designed 500W RF filter switched relay networks
- Conducted tests and solved problems of power amplifier systems
- Conducted failure analysis of power amplifiers
0-5 years of experience
- Installed and supported military SNAP/SPOP/TT satellite assemblages at multiple sites
- Installed and maintained standards-compliant Cisco-based LANs utilizing secure network tunnels
- Provided on-the-ground IT support for high-level military customers
- Configured and installed Linkway S2 TDMA/FDMA satellite systems
- Installed and managed military computers and networks
0-5 years of experience
Led and managed multiple feed forward power amplifier projects includes design and development
- Characterized LDMOS transistors and designed them in final products
- Participated in Analog Pre-distortion design, evaluation and implementation
- Performed DVT including environment tests on end products
- Transferred products to manufacturing for mass production/high volume~2-4k/month
- Designed, Developed and Evaluated RF power booster products
- Evaluated power supplies, rectifiers, switchable combiners
- Prepared and released all necessary documents and drawings in Agile
- Product evaluation/certification through 3G/4G-LTE specifications
- Submitted ECR/ECO in Agile system
6-10 years of experience
Debugged & tested of Tx and Rx RF front ends for quad band phones (GSM850- 900 + DCS1800 / PCS1900).
- Debugged & tested a WiMAX base station RF front end.
- Designed, debugged and tested a GMR Rx front end for a satellite phone.
- Designed a GMR-3G transceiver.
- Integrated WLAN, Bluetooth and GPS RFICs in [company name] products; tested to ensure compliance to IEEE standards and FCC limits.
0-5 years of experience
Successfully designed a SP3T high power switch.
- Provided Project Engineering for a high power RF PIN diode switches that included modeling with ADS, design of a Ku Band SP10T switch, and an integrated unit with an isolator, filter, and high power switch.
- Provided new designs that included high power limiters.
- Provided circuit designs that included RF circuitry and analog driver technology.
- Utilized topologies that included mechanical housing design, hybrid design of ICs, RF circuits and assembly construction.
0-5 years of experience
Lead engineer of 3 responsible for designing, launching, and optimizing CDMA PCS networks for the Phoenix and Tucson markets utilizing Lucent BTS Hardware.
- Designed and installed multiple Mini DAS Networks for store and Mall locations in the greater Phoenix area as well as the installation of repeaters.
- Performed on-site RF engineering cell audits and design for sites that included Rooftops and stealth applications.
- Performed drive test measurements to verify coverage predictions, calibrate propagation modeling and optimize RF design parameters
- Worked with Site Acquisition team to rank candidate sites and perform radio qualification of sites.
- Produced all required application submissions, such as tower clearances, tower loading, radio license applications, and radiation exposure calculations
0-5 years of experience
To plan IBS/DAS for large infrastructures in a way that it can be shared by multiple operators in a very cost effective manner.
- Collecting CW data and coverage levels by walk test for different operators and presenting it to the operators in order to sell our DAS infrastructure to them.
- Hands of experience on IBWAVE RF pro tool for IBS Planning.
- Coordinating with PMs for preparing and approvals of BOQs.
- Auditing of designs prepared by Engineers from other cities and optimizing them if required to give it a better shape both coverage wise and cost wise.
- Handling a team of 12 RF Engineers across 6 major cities in India and mentoring them to deliver quality RF designs for DAS and accurate link budgets.
0-5 years of experience
Attended meetings and answer question and concerns customer had about new site
- Set performance parameters to AT&T standard for new site coming on Air
- Preformed parameter site audit to identify incorrectly set parameters
- Created Neighbor list work orders for GSM and UMTS and implemented on WMS
- Created drive routes, assigned driving testing as needed and biased parameters for testing
- Reviewed drive test data, resolved issues and submitted drive report to customer
- Launched new site on Air and monitored KPI for problems
- Worked with Post Launch team to analyze KPI degradation and implement solutions
- Reviewed performance report and submitted final to AT&T for approval
0-5 years of experience
Attended meetings and answer question and concerns customer had about new site
- Set performance parameters to AT&T standard for new site coming on Air
- Preformed parameter site audit to identify incorrectly set parameters
- Created Neighbor list work orders for GSM and UMTS and implemented on WMS
- Created drive routes, assigned driving testing as needed and biased parameters for testing
- Reviewed drive test data, resolved issues and submitted drive report to customer
- Launched new site on Air and monitored KPI for problems
- Worked with Post Launch team to analyze KPI degradation and implement solutions
- Reviewed performance report and submitted final to AT&T for approval
0-5 years of experience
Optimization of the 3G and 4G LTE network by auditing system parameters identifying issues and resolving them.
- Monitor network performance using Real Time Tools (RF Cockpit, BSM, and OSS) stats reports and respond to system problems. Implement corrective actions in a timely manner, like changing tilts, adding and removing Neighbors in the NL where necessary, border settings.
- Expert knowledge of JDSU network optimization test software and WindCatcher for both testing and processing of data to figure out network problems.
- Analyze network statistics, identify, isolate and resolve problems within wireless networks
- Implement system parameter changes where necessary to improve service
- Investigate trouble tickets, provide information to close tickets
0-5 years of experience
Involved in gathering the data from different locations using TEMS (TEMS provides the solutions you need to plan, implement, and optimize 2G, 2.5G, and 3G networks)
- Coordinating the drive routes using Microsoft streets and trips.
- Scanning of Different frequencies and collection of data in the clusters of WCDMA and GSM
- Performed Field testing of wireless devices to determine device and system performance.
- Provided technical support to the RF optimization team.
- Monitored the channel for dropped calls, blocked calls, handover failures.
- Worked with RF Engineers for network optimization to perform fine tuning of system
0-5 years of experience
Administrated Service Desk for the Engineering department.
- Developed RF test parameters to meet customer requirements.
- Managed the 4G equipment update project of IMM.
- Setup and administrated an OpenBTS system in Costa Rica.
- Setup and trained the Engineering group in Costa Rica.
- Managed the Reverse Logistics Tech support Engineering Group.
0-5 years of experience
Duties included Voice and Data Collection to optimize newly built AT&T UMTS (3G) and 4G LTE network sites.
- Performed RF drive testing for AT&T's 3G-UMTS Network in several different markets.
- Performed Site Shakedown, SSV (Single Site verification), MSV (Multiple Site Verification), Cluster Drives, IFHO & IRAT drives.
- Worked on UMTS deployment of Alcatel-Lucent - AT&T's network across several markets in USA, performing Cluster drives, BAU site verification, testing IuR, IRAT, IFHO and E911.
- Preparing neighbor lists, analyzing handoff matrix and drive route verifications/modifications.
- Tools used: Actix Analyzer/GNG, MapInfo, WIPS, Google Earth, Agilent E6474A, TEMS, Delorme Street Atlas, NEMO, eDAT
0-5 years of experience
Performs network optimization and performance management on [company name] 2.5 TDD LTE (Samsung D1) networks in Jacksonville and Orlando markets.
- Configures and turns up (commercially launching) new NSN D2 LTE sites on NetAct
- Analyzes and troubleshoots CFR, CDR, Throughput, Handovers, and other KPI issues
- Loads scripts on Ericsson OSS via AMOS for newly integrated FDD […] sites as needed
- Analyzes drive data, monitors and trend network statistics, and adjusts RF parameters accordingly
- Performs changes on the idle and connected mode parameters market wide as directed by National RF team/s
- Coordinates hardware issues with NOC and/or RF integration and commissioning groups
0-5 years of experience
Network optimization and tuning for GSM and WCDMA, coordinate with cluster drive and bench marking team.
- Analyzing of complete KPI, and drive test data for optimization of coverage hole, call drop, handover and speech quality, and signal strength, antenna height with electrical and mechanical tilt.
- Overall Responsibility for Radio Planning of 2G Optimization, 2G data build, operation of planning tools, processes and procedures, customer complaints and database management.
- Traffic Management based on utilization, marketing forecasts, special events and traffic trends.
- Perform Acceptance test (AT) for 2G and 3G site and sign off KPI from customer.
- Analyses KPIs like retain ability, accessibility, and mobility and IRAT HO optimization.
- In BSNL 2G networks successfully optimized the over lead & under lead conceptual site for capacity expansion.
- Coordination with BSS and MSC teams and Customer's team to resolve all RF related issues and achieve KPI goals for KPI sign-off from Customers.
0-5 years of experience
- Worked with VoLTE and UMTS technologies analyzing the application in VinVoLTE
- Collected data and analyzed different key performance parameters for AT&T
- Measured the MOS value for analyzing the call/ voice quality and the data transfer in downlink and uplink
- Troubleshot and calibrated the test equipment
- Performed installation of the firmware and up gradation using Odin and Kies
- Observed the call process with VoLTE and UMTS technologies.
- Co-ordinated and helped testing teams to troubleshoot in different markets for AT&T
0-5 years of experience
Responsible for Site Launches and troubleshooting in several Sprint Spark markets managed by Samsung Telecom.
- Involved in LTE-TDD indoor-DAS RF operation and handoff testing.
- Assisted Engineers in CDMA and LTE optimization of the Sprint Network.
- Gained working knowledge on XCAL Drive test tool, Windcatcher optimization tool and hands on experience in Mobile station and UE troubleshooting.
- Participated in RF signaling and data logging during field trails which included Throughput
- Utilized Microsoft excel to analyze and generate issue reports on a cluster basis using Microsoft
0-5 years of experience
- Design RF Front-end using MMIC technology. Project involved in designing a broadband feedback LNA, SP3T switch, and a mixer.
- Worked on Two S band transmitter and receiver program. Tested Receiver/Transmitter parameters at the card level, and also testing Transponder at the final integration level.
- Tested Transponder parameters to meet customer’s specifications.
- Interface and assisted customers in integration testing of transponder unit.
- Perform device characterization and measurements of diplexers, LNAs, mixers, VCXO, TCXO, clocks, PLLs, and synthesizers.
0-5 years of experience
Generate EMF (Electric and Magnetic Fields) analysis reports by request for 1C/2C/3C/4C/LTE expansions
- Produce EMF evaluations for new site builds prior to datafill process
- Track all incoming 3rd party analysis reports
- Utilize Microsoft Visio and RoofView analysis software to predict EMF levels of existing & proposed sites
- Review & understand RFDS designs to ensure RF compliance is met on every site expansion project
- Analyze construction drawings for antenna placement with reference to EMF & public access
- Maintain local tracking database for reporting purposes
0-5 years of experience
Commissioning, integrating, system verification & acceptance of NSN BTS Network Elements.
- Develop and maintain BTS project competence, process and documents for deployment.
- Able to perform advance troubleshooting, follow technical documentation and independently resolve project issues.
- Deep understanding of Antenna Line configuration and connectivity (MHA/RET) in addition to Flexi BTS Feature set (Rx diversity / Antenna Line sharing).
- Coordinate actions and investigation of technical issues between customer, regional management and Synergy Wireless Solutions technical support teams.
- Provide support to customers for O&M of RAN network elements including competence transfer.
- Aux equipment relocation and troubleshooting (ALU7705 CSR, True position LMU).
0-5 years of experience
Utilized NEMO Anite wireless network to perform daily data collecting/testing.
- Completed E911 phase 1 & 2 Non-Emergency PSAP Calls on all sectors
- Performed CW and CCW testing handover within the site
- Used Street Atlas and Microsoft streets and trips tools for the navigation of driving routes.
- Stationary testing and coordinating with RF optimizer to improve cellular signal on a specific location.
- Submitted post-process data to RF Engineers for optimization.
6-10 years of experience
Designs PLL synthesizer circuits (voltage control oscillators, loop filters, etc.) for land mobile radios
- Designs circuits for receiver section of portable Land mobile radios
- Responsible for portable radio LTE receiver evaluation, optimization, and 3GPP&Verizon testing
- Responsible for LTE to land mobile radio interference testing (crosstalk, self-quieters, range testing, etc.)
- Responsible occupied bandwidth and adjacent channel power measurements for FCC, as well as microphonics, transient freq. response, and various other synthesizer, receiver, and transmitter certification tests
- Responsible for Accelerated Reliability Testing and Accelerated Life Testing of mobile and portable radios (temp cycling, temp shock, ESD, vibration, etc)
0-5 years of experience
Perform design, performance, and capacity RF engineering tasks for substantial service sites.
- Perform site retunes, RF channel adds, modifications, and design of new RF sites.
- Run predictions and generate pops counts using Planet.
- Generate RF capacity and diagnostic reports and daily alarm reports.
- Manage alarm and outage tracking and escalate issues as needed.
- Provide regulatory support to markets and network development teams.
0-5 years of experience
Job responsibilities include performance optimization of GSM and WCDMA networks.
- Closely monitoring market performance by analyzing Accessibility, Retainability, mobility KPI trends and suggesting necessary steps to improve network performance.
- Analyzing GPEH, FFAX, and WMRR to resolve network issues.
- Resolving traffic imbalances which occurred due to newly added UMTS carriers.
- To find the causes of the call drops, blocked calls, handover failures, excessive handovers, poor quality, poor C/I, interferences etc.
- Doing in-depth analysis on the worst performing cells to find the root cause of the problem and to propose and make changes physically or Parameter level for getting those cells to perform back normally.
0-5 years of experience
Designed, laid out, and tested a hand held signal generator 1 GHz-2 GHz with low phase noise and 10 dBm output power.
- Designed, laid out, and tested the LO board (1.8-2.6GHz) to meet -90dBc/Hz @ 1Khz offset carrier with low phase noise spec.
- Designed laid out, and tested calibration board for LOCO GPSI Mini Lite Program.
- Re-laid out, and tested the Tap Delay board to convert 2 signals at the same level to 1 signal by using Log-Amp.
- Selected parts base on specification, Contacted vendor for ordering parts, tested the evaluation boards for responsible design. Completed schematics, and PCB board layout by using Protel.
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