Research Interests

  • Wireless Communications

  • Signal Processing

  • Non-Orthogonal Multiple Access (NOMA)

  • Physical Layer Security

  • MIMO Beamforming

  • Time-frequency Analysis

  • Signal Classification and Identification


1. Y. Qi and M. Vaezi, "MIMO-NOMA with Different Levels of Secrecy," major revision of IEEE Transacations on Signal Processing.

Journal paper
5. Y. Qi, and M. Vaezi, "Secure transmission in MIMO-NOMA networks," IEEE Communications letters, vol. 24, no. 12, pp. 2696–2700, 2020, [PDF].
4. X. Zhang, Y. Qi, and M. Vaezi, "A rotation-based method for precoding in Gaussian MIMOME channels," IEEE Transactions on Communications, vol. 69, no. 2, pp. 1189–1200, 2020. [PDF]
3. M. Vaezi, Y. Qi, and X. Zhang, "A rotation-based precoding for MIMO broadcast channels with integrated services," IEEE Signal Processing Letters, vol. 26, no. 11, pp. 1708–1712, 2019.
2. M. Zhu, Y. Qi, X. Zhang. "A new interpretation of S-transform spectrum: Phase hopping analysis and estimation," IET Chinese Journal of Electronics, vol. 28, no. 2, pp. 338-343, 2019.
1. X. Zhang, Y. Qi, and M. Zhu. "Characteristic analysis of white Gaussian noise in S-transformation domain," Journal of Computer and Communications, vol. 2, no. 2, pp. 20-24, 2014.

Conference Papers
6. Y. Qi, and M. Vaezi, "Power splitting based precoding for the MIMO-BC with multicast and confidential messages." Accepted for publications in Proc. of the IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, 2020, [Video].
5. X. Zhang, Y. Qi, and M. Vaezi, "A new precoding for the MIMO Gaussian channel with multi-antenna eavesdroppers." In Proc. the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), September 2020, Virtual Conference.
4. Y. Qi, M. Vaezi, "IoT battery lifetime enhancement using relays: A large-scale analysis." In Proc. the IEEE International Conference on Communications (ICC), 2020, [PDF], [Video].
3. M. Zhu, X. Zhang, Y. Qi, and H. Ji. "Compressed sensing mask feature in time-frequency domain for civil flight radar emitter recognition." In Proc. the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 2146-2150, 2018.
2. Y. Qi, M. Zhu, X. Zhang, and F. Fei. "Earthen archaeological site monitoring data analysis using kernel-based ELM and non-uniform sampling TFR." In Proc. the Extreme Learning Machine, pp. 1-10. Springer, 2018.
1. M. Zhu, X. Zhang, and Y. Qi, "An adaptive STFT using energy concentration optimization." In Proc. the IEEE International Conference on Information, Communications and Signal Processing (ICICS), pp. 1-4, 2015.