Doctoral student in Nonlinear Power-Efficient Transmit Array Architecture

About the role

The position is hosted by https://www.chalmers.se/en/departments/mc2/research/microwave-electronics/ at https://www.chalmers.se/en/departments/mc2/ where the you will have access to several commercial state-of-the art MMIC foundry processes and world-class measurement infrastructure allowing for a successful completion of this research project. At the Microwave Electronics laboratory currently 5 students pursue their Ph.D. in a similar area, which plenty of opportunity to collaborate and learn from and with peers. About the research project You will work in a complementary team to investigate a new transmitter topology. Your responsibility will be to design microwave components such as power amplifiers and antenna arrays but also derive the theory how to feed the individual amplifiers for the most energy efficient transmission in a certain direction. The goal is to develop a new scalable transmitter architecture that embraces mutual antenna coupling as a means of load modulation - allowing neighboring elements to efficiently create modulated signals similar to classical Chireix outphasing, but using the antenna aperture as combining element. The position is hosted at the department of Microtechnology and Nanoscience where you will haveaccess to state of the art microwave measurement facilities at the Kollberg lab. The project is supported by collaboration agreements with semiconductor manufacturers that allow fabrication in CMOS, GaAs and GaN processes. Who we are looking for The following requirements are mandatory: To qualify as a PhD student, you must have a master's level degree* corresponding to at least 240 higher education credits in Electrical Engineering, Communication Engineering, Engineering Physics, Computer Engineering or similar, with a strong background in electronic circuit design. Strong written and verbal communication skills in English. You are able to take responsibility, show initiative, and work independently when needed. At the same time, you are a strong team player and enjoy collaborating across disciplines. You have the ability to communicate and disseminate research results effectively to different audiences, including academia, industry, and society. *for students with an education earned outside of Sweden, a 4-year Bachelor's degree is accepted. The following experience will strengthen your application: Experience in the design of integrated and high-frequency circuits as well as antennas is meritorious Specialization in wireless and/or wireless communication systems engineering and/or analog circuit design Advanced courses in microwave circuit design Advanced courses in signal processing Experience with Cadence Virtuoso, MWO, Keysight ADS, SPICE, Matlab. Experience with high frequency RF and measurement equipment Experience in building RF and microwave systems Experience in microwave and millimeter wave integrated circuit design Experience with digital signal processing.

Responsibilities

• Contract terms
• The Doctoral student positions are fully funded from start.
• The position is a fixed-term appointment of four years, with the possibility to teach up to 20%, which extends the position up to five years.
• A starting salary of 35,725 SEK per month (valid from May 1, 2026).
• Doctoral studies require physical presence throughout the entire study period. A valid residence permit must be presented by the study start date; otherwise the admission may be withdrawn.

Benefits

Additional Information

Current transmitters are limited in terms of their bandwidth, energy efficiency and linearity. In this research project you will work on the intersectional area of antenna design, circuit design and signal processing to investigate novel nonlinear multi-antenna transmitters that overcome these limitations. By utilizing antenna mutual coupling for effective amplitude modulation - a shift from the traditional view that considers it detrimental - you will overcome existing limitations in frequency, efficiency, power, and linearity, thereby fostering sustainable digital transformation.

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Company Intel

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