Recommended expert
Pooria Varahram
Chief Technology Architect
Experience
Feb 2025 - Present
1 yearChief Technology Architect
Benetel
- Drive Technology Strategy
- Lead System Architecture
- Lead Research Funding Initiatives
Oct 2021 - Feb 2025
3 years 5 monthsResearch and Development Principal Engineer
Benetel
- Architecting overall system solutions to demonstrate system level functionality of roadmap features
- Leading research activities in support of Benetel’s product roadmap
- Leading the incorporation of roadmap features in active product development programs
- Leading Benetel IP capture and management
Aug 2021 - Oct 2021
3 monthsSenior System Engineer
Qorvo
- Researching UWB communications systems algorithms
- Developing system simulations and baseband architectures
Sep 2020 - Aug 2021
1 yearPrincipal Engineer
Benetel
- Designing and developing DSP modules such as DUC/DDC and PRACH in 5G RRUs
- Developing ModelSim testbenches and verifying them using MATLAB/Octave simulation
- Leading the 5G architecture development of ORAN compliant RRU
- Leading the FPGA team in designing and developing the lower L1 of 5G
- Actively participating in the design and development of CUSM-Planes
- Creating firmware development plans and reporting progress to project managers
- Providing test vectors for conducting RRU verification based on 3GPP standard
Jan 2018 - Sep 2020
2 years 9 monthsSenior FPGA Engineer
Benetel
- Designing and developing 4G and 5G NR ORAN-compliant RRUs
- Developing FPGA code in SystemVerilog and Verilog
- Designing digital up-conversion and down-conversion modules on FPGA
- Developing self-checking testbenches for downlink and uplink paths
- Designing and developing the PRACH module in the RRU
- Leading the first RRU project with split 7.2 using an ARM processor, showcased in exhibitions like MWC and receiving awards
- Developing a U-Plane path from ARM to FPGA using DMA and FIFO
- Actively participating in ORAN meetings and gaining extensive knowledge on fronthaul and CUSM planes
- Providing consultation on various 5G technology projects to multiple companies
- Conducting several internal presentations to Benetel staff on topics such as digital predistortion, crest factor reduction, and OFDM systems
- Project planning and documentation
Sep 2017 - Dec 2017
4 monthsRadio Digital Developer
Ericsson
- Performing calibration of a 1 GHz bandwidth signal for the 5G testbench, encompassing RF DAC, RF ADC, and wideband PA
- Designing and verifying a novel DPD technique to linearize the wideband PA
- Offering consultation to the CFR team at Ericsson
Aug 2015 - Sep 2017
2 years 2 monthsResearch Fellow
Maynooth University
- Developing algorithms for digital communication systems
- Providing consultation to two US companies for their product development in DPD and satellite projects
- Implementing a digital pre-distortion technique on Zynq with an ARM processor in FPGA
- Demonstrating the pre-distortion functionality running on FPGA using a transceiver board from Analog Devices
- Conducting RTL development and synthesis
- Analyzing the static timing analysis report and rectifying critical paths in the design by applying pipeline delays
- Performing hardware co-simulation verification by transferring data from a PC while the FPGA and power amplifier were in the loop
- Creating code to linearize a TWTA power amplifier
Jan 2013 - Jun 2015
2 years 6 monthsSenior Lecturer
University Putra Malaysia
- Supervising undergraduate, MSc, and PhD students
- Providing consultation for research projects and theses
- Teaching communication systems modules
- Actively involved in commercializing filed IPs and developing an IP in Verilog
- Publishing high-impact journal papers
Jun 2012 - Jan 2013
8 monthsSenior Lecturer
Asia Pacific University of Information Technology
- Taught telecommunication modules
- Established the wireless lab and participated in the accreditation program
Jun 2010 - Jun 2012
2 years 1 monthResearcher
University Putra Malaysia
- Submitted research proposals
- Involved in commercialization of IPs
Jan 2007 - Jan 2008
1 year 1 monthElectrical Engineer
AGNI Inc.
- Headed the electronic group
- Designed DC-DC and DC-AC converters
- Developed C code to control a butterfly valve using an Atmel microcontroller
- Designed an H-bridge
- Created schematics and fabricated PCBs
Mar 2003 - Mar 2004
1 year 1 monthDigital Communication Engineer
Resana Afzar Sharif
- Designed and developed a digital pre-distortion for a 2.4 GHz power amplifier
- Involved in test and measurement of a TV transmitter with PLL
Jun 2000 - Jun 2002
2 years 1 monthElectronic Engineer
Micromodje Industry
- Designed and developed a radio digital and prepared BOM
- Fabricated PCBs and drew schematics
Summary
I specialize in digital signal processing and FPGA programming for wireless communication systems, with extensive experience in designing and developing remote radio units (RRUs). I am highly proficient in Verilog, SystemVerilog, and C, and skilled in using industry-standard tools such as Quartus, Vivado, Vivado HLS, MATLAB, Python, Protel, and Microwave Office. I have led the design and architecture of 4G and 5G ORAN-compliant RRUs and have contributed to the field through several peer-reviewed publications and patent filings.
Skills
- Quartus
- Vivado
- Vivado Hls
- Matlab
- Orcad
- Protel
- Ads
- Vhdl/verilog
- Systemverilog
- Python
- Labview
- C
- Assembly
- Systemvue
- Microwave Office
- Microsoft Office
- Fpga Developer
- Dsp Developer
- Rf Front-end Designer
- Analogue Communication Engineer
- Digital Design Developer
Languages
English
AdvancedIrish
AdvancedEducation
Oct 2006 - Jun 2010
University Putra Malaysia (UPM)
Ph.D · Seri Kembangan, Malaysia
Oct 2003 - Jun 2005
TarbiatModares University
MSc · Tehran, Iran, Islamic Republic of
Oct 1998 - Jun 2003
Khajeh Nasir Toosi
B. Eng · Tehran, Iran, Islamic Republic of
...and 1 more
Certifications & licenses
Arm Accredited Engineer (AAE) Training
ARM
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