PROFESSIONAL SUMMARY:

• Wi - Fi Test Engineer with over ten years of experience primarily in telecommunication industry trends including hardware and PCB design, calibration software, Linux Kernel and driver development, final product test evaluation for the Wi-Fi, 3GPP, LAN, WAN, NFC, RFID LF/UF/UHF, Zigbee, Bluetooth,and GPS/GNSS systems with different modulations like OFDM/DSSS/CDMA/FM via various IO ports, USB/I2C/SPI, over different platforms.
• Bringing up Wi-Fi 802.11 a/b/g/n/ac, BT3/4/4.1, Wi-Fi+BT, NFC, RFID, GPS/ GNSS system products.
• RF Network, tower, antenna, Microwave plaanner for the GSM/WCDMA based networks with the Confidential, Confidential, Confidential network structures.
• Modifying Linux Firmware and driver for the products with different Low/medium/high Power applications and other performance verifications.
• Hardware and Software modification for the new products to meet the regulatory requirements for EMC & Radio Regulatory Compliance.
• Experienced in Hardware/Software design and debug using measurement-tools/GitHub compiler, moreover preparing of guide lines, user manual tests and client support.
• Skillful in Working with RF Debbuging tools like; Litepoint IQ UI software, IQ Signal, IQdebug, Wild packets OnmiPeek, Wireshark, BlueSuite.
• Skilful in working with development softwares like; iperf, MATLAB Coding and Simulink, jperf, PADS, OrCAD, Allegro, IVT BlueSoleil, Linux kernel, Product Studio, Fedora 8/13/15,C and C++ languages Python, PSTool
• Broad knowledge of Telecom in the Hardware and Software fields
• Experienced in power electronic designs for the Light-Rail
• Designing and reviwing the PCB/Layout design that have done by a third party company via EAGLE, Allegro, or PADS of the TRX circuits
• Link the whole home appliances through the Wi-Fi and plan a smart home with Low Power Consumption LEDs, Sensors, and remote controls
• Experienced in P-P connection, VPN and GRE for the throughput tests
• Great attention to details, alert, and diligent, motivated to be cross-trained and grow professionally

PROFESSIONAL EXPERIENCE:

Confidential, Redmond, WA

RF Design Verification Engineer

Responsibilities:

• Confidential is an Confidential headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Confidential Windows line of operating systems, Confidential Office office suite, and Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Confidential Surface tablet lineup
• Conducted and Radiated tests for Wi-Fi and Bluetooth over different rates of input voltage
• Testing the Wi-Fi and Bluetooth with the Labview-National Instrument and Litepoint
• Check the RF performance of the designed module over the Radiate and Conducted tests for the FCC, IC, CE, EMC, EMI certifications
• Wi-Fi/Blutooth calibration of DUT using the debbuging tool to be compliant with the FCC, IC, CE, etc
• Responsible for the transition from DUT testing to characterization to final test for the Wi-Fi and Bluetooth
• Reading and Updating the e-Fuse for different Output power using scripting languages after loading the Firmware
• Using Network Analyzers, Spectrum Analyzers, Signal Generators, Digital Receivers for the RF test verification
• Running the Tests over different vooltages and Temprature in the isolated temprature chamber
• Driving Design Verification Test (DVT) and actively providing feedback to Design team
• Performance verification and QA testing
• Creating STC (Specification To Compliance) Files that define all required tests for Wi-Fi and Bluetooth
• Creating GUTS (General Unified Test Solution) Programs that drive automated test solutions
• Reviewing schematic and creating the rework instructions for the technisions
• Serving as the key interfaces to Product Engineering (PE), Characterization Engineering (CE), and Test Engineering (TE)

Confidential, San Jose, CA

RF System Application Engineer

Responsibilities:

• Confidential is the leading supplier to the premium machine-to-machine (M2M) & portable device markets of Wireless System-in-Package (SIP), module, and subsystems for embedded applications including Wi-Fi, Zigbee, Bluetooth, and GPS. Confidential is a leader in wireless solutions for Industrial, Medical, Government, Infrastructure, Premium Consumer, and Education (including eBooks) applications.
• Hands on technical team leader in the development and maintenance of the hardware and software for the Wi-Fi (MARVELL), Bluetooth (MARVELL/CSR), NFC, RFID, and GPS/GNSS (CSR) testing set-ups
• Identify departmental needs and make suggestions regarding R&D direction
• Running the FA analysis on the customer’s test boards
• Designing and reviewing the PCB and Motherboard design using the EAGLE, Allegro, or PADS software
• Investigated on RMAs from customers, mostly the whole embedded package should have been debugged
• Apply knowledge of computing systems and software structure
• Linux kernel and firmware development for the new RF-Module products
• Runnning performance simulations with IQSignal
• Test planner based on the 3GPP spec for the Sprint project with R&S tester
• Testing the power consumption while the Wi-Fi/BT radio is in differnet TRX modes
• Deciding on the Antenna for Mobility, Aerospace, Maritime
• Performing HW/SW debugging in Linux and Windows environment written in C/C++/Python with the Lab-tools
• Configure and install system testing soft-wares for our test department for MIMO/SISO over different modulations DSSS/FM/WCDMA/OFDM/CDMA.
• Running the MAC layer tests like; Coexistence, Over the Air Testing, Interoperability, Rate vs Range
• Runnig the Wi-Fi and Bluetooth verification test for the FCC, CE, IC certifications
• Creating flowchart, diagrams, and other documentations for the FCC, IC, CE, EMC, EMI certified products
• Creating user manuals and detailed sets of instructions
• Microprocessor, usually ARM or TI based processor, software and hardware modification in the case of RMA requests from our customers
• Embedded system verification for the Wi-Fi modules with USB/I2C/SPI interfaces
• Budget Analysis based on the BOM for each design
• Modifying the Litepoint software written in C language, set-up file, path file, and so on to get the best performance for our RF calibration in manufacturer
• Network planning for the 3G/4G Technologies, Tower and antenna design, Microwave alignments for the Line of sight and avoid Interferences, RF Antenna Systems
• Android Application Development for some of the projects got assigned to me for the Arduino prototype platform foe the home automation applications
• Analyzing Wi-Fi 802.11 a/b/g/n/ac and Bluetooth performance of the SIP module base on the IQ-Signal
• Facilitate problem-solving meeting to improve the yield in manufacturing
• Consulted with clients regarding to ensure software and applications are meeting their needs
• Conducted needs analysis for Wi-Fi 802.11 a/b/g/n/ac, NFC, RFID, BT 3/4/4.1, and GPS/GNSS for the debugging
• Modifying patch and software files from CSR like SoRFLive
• Cooperating with our Sr. RF engineer for the design and new product developments
• Debugging the messages after sending the OSP or NMEA commands to the SIP GPS module
• Writing/updating the Product brief, datasheet for the new/old products
• Debugging the Spirent multi-channel GPS/GNSS satellite simulator
• Having knowledge of FAE Analysis and RFIC circuits, Algorithms, Matching Impedance
• Applying throughput test as an end user verification test for 20/40Mhz for Short/long Guard intervals for MicroAP, Wi-Fi direct, P-P connection, VPN,GRE, and STA modes

Confidential

RF Optimizer

Responsibilities:

• Confidential is the largest independent provider of network planning, optimization and OSS software, and consultancy services for mobile networks. With offices in 14 countries, we provide local and regional viewpoints and resource, as well as ensuring that our customers benefit from our global knowledge. By looking ahead of the market and sharing intelligence, we develop the skills and tools that network operators need to remain competitive, whatever the economic climate
• Collecting data on TEMS Investigation and exporting in MAP INFO
• RF test planner with Confidential, Alcatel, Confidential tools
• Call Test consisted of MO, MT, voice calls, TCP/IP tests, data calls, handovers checking etc.
• Site shakedown for successful integration of site in the network and cluster drives to check the coverage gaps, handover problems and site overshooting.
• Carrying out coverage, quality, cell re-selections, handovers test in idle as well as dedicated mode to ascertain the design criteria.
• Analyzing reason for dropped call, blocked call, missing neighbors, polluter, site overshooting.
• Drive test logs analyzer, neighboring definition and creation, Tilt Adjustment, azimuth changes, parameter changes for the GSM/WCDMA networks
• Troubleshooting of sites down, newly integrated sites, sites not carrying calls, dropped calls
• Perform Outdoor Cluster Drive Test
• Indoor Walk-Test

Confidential

Mobile Sites Supervisor

Responsibilities:

• Confidential CO. management resource includes a number of I.T.C. managers who are well known to the telecommunication market players in Iran and European countries. Their many years of experience in managerial level can support any technical implementation activities. Knowledge on organization and structuring as well as practices in telecommunication companies such as T.C.I. - T.C.T, and T.C.P. is a valuable and available potential which can be facilitated any relevant activities in telecommunication fields.
• RBS/BTS installation/commissioning Supervisor
• A subcontractor for Confidential -Siemens, Confidential, Alcatel, and Confidential for Irancell, 2nd operator, in Tehran and other provinces
• Supervisor of site acquisitio n
• Making SSR.TSSR
• Working with Confidential, Alcatel, Confidential tools for network planning
• Planning/ Installing/ Commissioning UltraSite EDGE BTS
• Commissioning the IBBU of UltraSite EDGE BTS
• Maintaining UltraSite EDGE BTS
• Installing UltraSite EDGE Antenna System
• Commissioning UltraSite EDGE Antenna System, radars, Microwaves
• Installing/ Commissioning Hardware for Confidential FlexiHopper (Plus) C2.3 and co-power
• Planning/ Installing/ Commissioning metrosite BTS
• Working with Asset program(as a radio network planner in TALIYACo.)
• Preparing PISM(pre-installation site meeting) and SMR(site material request)
• Preparing detail design with AutoCAD.
• Site Selection - Identify Suitable Site Location for Optimum Coverage
• Performing Technical Site Survey - Identify Antenna Location, Height, Direction
• Network Detailed Planning - Frequency Planning
• RF Site survey with Pre walks test measurement & Solution selection
• RF Propagation & Interference Analysis using TEMS 7.1.1 Route Analyzer
• Design & Optimization Report Preparation
• TRX upgrade planning and optimization
• Radio Network Optimization and drive test analysis
• RF Design, RF Optimization, and RF Site survey
• Reconfigure TRX and BTS
• Production of Survey reports, Design proposal, Bill of Materials, Optimization
• Site survey to propose new site
• Different feature test of Confidential BTS & Equipments

Confidential

Cell-Phone Repair Engineer

Responsibilities:

• Confidential is one of the leading and renowned Seller of Cellular Phones and other related products. The major markets of Confidential includes North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Mid East, Africa and other regions around the world. RANOKIA welcomes all buyers and importers who are looking for Exporters in Cellular Phones industry and specifically in Cellular Phones category(ies).
• Tracing the problem with the board
• Improving the batteries
• Fixing the charging circuits and adaptors
• Write the software codes and flash it to the cell phone
• Fixing the touch screen and display
• Swapping the damaged BGA chipset with a good one using the appropriate tools
• Re-soldering the damaged trace
• Replacing the SMD modules