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17 April 2025
Interview with Dr. Jiakang Zheng—Winner of the Electronics 2024 Best Ph.D. Thesis Award


We wish to congratulate Dr. Jiakang Zheng for winning the Electronics 2024 Best Ph.D. Thesis Award with his publication “Performance Analysis and Optimization Design of Cell-Free Massive MIMO Systems”.

Name: Dr. Jiakang Zheng
Affiliation: School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
Research interests: MIMO systems; performance analysis; optimization design

The following is an interview with Dr. Jiakang Zheng:

1. Could you please briefly introduce the scientific research you conducted during your doctoral studies?
During my doctoral studies, I focused on the performance analysis and optimization of cell-free massive MIMO systems, which break traditional cell boundaries, increase the number of distributed access points, and leverage macro diversity gains to reduce signal interference and improve both edge user performance and overall network throughput. Specifically, I proposed a cell-free massive MIMO network architecture that is suitable for complex environments to provide continuous and uniform coverage. I also designed reliable channel estimation and efficient transceivers to enable ultra-reliable and low-latency transmission, as well as optimizing flexible interference management and intelligent power allocation schemes to support massive connectivity.

2. Did you encounter any difficulties in carrying out this research? How did you overcome them?
Yes, when I first started working on this research, I was not very familiar with the topic, and a lot of the concepts were hard to grasp. To get up to speed, I often asked my supervisor and senior lab mates for help, and I also collaborated with experts in the field. These experiences really helped me build a solid foundation and gradually gain a deeper understanding.

3. As an author, what aspects of a journal do you value most when choosing a journal to publish your academic work?
When choosing a journal, I mainly look for ones that focus on my research area. I usually prefer journals where most of the papers I read and cite are published. That way, I know my work will be seen by researchers who are really interested in the same topics.

4. Many doctoral students experience pressure to publish papers and worry about delaying graduation. What advice do you have for doctoral students who have not yet graduated?
Doing research takes time. It does not happen all at once. I would say just keep going and do not give up, because if you stick with it, you will see results. It is normal to feel stressed sometimes, but talking to the people around you can really help. A lot of the pressure comes from overthinking and trying to figure everything out on your own. Sometimes, taking a break and focusing on something else can spark new ideas.

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