Nemat Dolatsha
About Nemat Dolatsha
Hands-on experience in design, simulation, implementation, and measurements of communication and radar systems: - Designed MIMO antenna array architecture for mm-wave radar considering - modes of operation (e.g., short/medium/long range, narrow/wide FoV) - link budget requirements (EIRP, sensitivity, range, etc) and other critical radar parameters such as max range, max speed, ambiguities, etc. - limitation on ADC and data storage pipeline - integration level of radar chipset - Designed antenna elements and relevant RF boards for the radar front-end - Fabricated and verified RF performance of MIMO radar boards - Designed innovative and low-cost measurement setups for radar front-end boards characterization - Defined proper test environments considering EM fundamentals (e.g., array parameters and objects scattering effects) for characterization of radar parameters - Worked with PD for proper installment of the radar board inside the product and proper radome design - Used SBR+ for radar simulations of simple and controlled environments - Designed several phased arrays at 25, 28, 60GHz 5G communication - Proposed innovative antenna system architectures for lower cost and higher performance (relevant patents are filed) - Proposed and developed an innovative and low-cost approach for self-calibration of phased arrays - Proposed a novel methodology to improve the spatial symmetry of antenna pattern of edge elements - Proposed and developed a novel architecture for high EIRP, high gain yet wide scan range of lens antennas with phased array feed - RF/mm-wave hardware design lead at Apple - Post-doc and associate engineer at Stanford - Proposed highly efficient scalable architecture for LoS MIMO communication based on ultra wide band and low-loss transmission mediums - Designed, fabricated and measured mm-wave communication systems for - 12.5Gbps point-to-point wireless link based on a 140GHz OOK transceiver with a high gain lens antenna - point-to-point LoS MIMO wireless communication link at 140GHz - Extensive experience in design, fabrication and measurements of microwave/millimeter wave passive components, e.g., antenna arrays, planar TEM TLs and other non-TEM waveguide components such as dielectric waveguides for energy-efficient high-speed wirelines, chip-to-chip and board-to-board levels - Experience in RF far-field energy harvesting for small sensors for IoT applications