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School of Electronic Engineering and Computer Science
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  4. Implantable RF Rectenna Systems for Deep-Body Autonomous Bioelectronic Systems

Implantable RF Rectenna Systems for Deep-Body Autonomous Bioelectronic Systems

Supervisor: Dr Sofia Bakogianni 

Project Description

This project aims to develop compact, multi-functional implantable RF rectenna platforms essential for next-generation deep-body Bioelectronic Implanted Systems. The primary objective is to develop systems that enable reliable, deep-tissue data telemetry and robust wireless power transmission simultaneously, thereby delivering long-term power autonomy to devices intended for critical, minimally invasive monitoring applications, such as in cardiovascular or neurological diseases.

PhD topics for this position could cover a combination of the following areas:

- Advanced Miniaturized Triple-Band Implantable Antenna Design, Optimization and Validation for Deep-tissue Applications: This research involves the numerical RF design, optimization and experimental validation of a multi-band implantable antenna achieving a miniaturized physical size. It could include systematic investigation and optimization of critical antenna design parameters to maximize radiation performance in highly lossy biological media, assessment of compliance with international RF exposure safety standards and evaluation of antenna robustness in realistic, heterogeneous tissue environments and various implanted device architectures.

- Optimization and Integration of High-Efficiency Rectenna Systems: This research focuses on designing, analyzing, and optimizing a power harvesting unit for maximum RF-DC conversion efficiency. It may involve evaluating different rectifier topologies using circuit simulation tools, experimental validation and the integration of the optimized rectifier into the antenna structure to form a complete rectenna system.

- System Performance Analysis: This topic involves optimizing the rectenna system as a complete unit, assessing its performance versatility under diverse implantation constraints and maximizing overall power transmission efficiency. The research includes fabrication of prototypes of the optimized systems and experimental validation of their performance.

Prerequisites:

- A Master’s degree (Distinction or equivalent) or an expected completion of such qualifications before starting the PhD.

- A keen interest in implantable antenna technologies, bio-electromagnetics, microwave circuit design, Internet of Medical Things applications.

- Familiarity with antenna theory and design, electromagnetic modelling, rectifying circuits.

- Solid 3D simulation software skills (e.g., CST and HFSS), circuit simulation skills (e.g., ADS) and practical experience in antenna prototyping and measurements.

The PhD studentship is funded by EPSRC Doctoral Landscape Award open to those with Home and International fee status. However, the number of students with international fee status who can be recruited is capped according to the EPSRC terms and conditions, so competition for international places is particularly strong. Awards are tenable for up to 3.5 years, and cover tuition fees and a maintenance stipend at the UKRI rate (c. £22,870 p.a. full-time, £11,435 part-time for 2025/26; and 2026/27 rates tbc).

How to apply

Queen Mary is interested in developing the next generation of outstanding researchers and decided to invest in specific research areas.

Applicants should work with their prospective supervisor and submit their application following the instructions at: http://eecs.qmul.ac.uk/phd/how-to-apply/.

The application should include the following:

- CV (max 2 pages)

- Cover letter (max 4,500 characters) stating clearly in the first page whether you are eligible for a scholarship as a UK resident (https://epsrc.ukri.org/skills/students/guidance-on-epsrc-studentships/eligibility)

- Research proposal (max 500 words)

- 2 References

- Certificate of English Language (for students whose first language is not English)

- Other Certificates

Please note that in order to qualify as a home student for the purpose of the scholarships, a student must have no restrictions on how long they can stay in the UK and have been ordinarily resident in the UK for at least 3 years prior to the start of the studentship. For more information please see: (https://epsrc.ukri.org/skills/students/guidance-on-epsrc-studentships/eligibility)

Application Deadline

The deadline for applications is the 28th January 2026.

For specific enquiries contact Dr. Sofia Bakogianni at s.bakogianni@qmul.ac.uk.

For general enquiries contact Mrs. Melissa Yeo at m.yeo@qmul.ac.uk (administrative enquiries) or Dr. Arkaitz Zubiaga at a.zubiaga@qmul.ac.uk (academic enquiries) with the subject “EECS 2026 PhD scholarships enquiry”.

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