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Publications

(* denotes correspondence) For the latest publications, please see my Google Scholar Profile.

Submitted/Preprints

  1. C. Cai, H. Jiang, X. Yuan, and Y. -J. A. Zhang, “Score-based turbo message passing for plug-and-play compressive imaging,” major revision in IEEE Transactions on Signal Processing, 2025. [Paper]

  2. Z. Xu, C. Cai, S. Wang, and Y. -J. A. Zhang, “Channel collage: Scalable diffusion-based prior learning for ELAA channels,” submitted to Asilomar Conference on Signals, Systems, and Computers (ASILOMAR), 2026.

  3. H. Zheng, Z. Wang, M. Cui, C. Cai, H. Du, K. Huang, “Multi-SPIN: Multi-access speculative inference for cooperative token generation at the edge,” submitted to IEEE Transactions on Wireless Communications, 2026. [Paper]

Journals

  1. C. Cai, W. Jiang, X. Yuan, and Y. -J. A. Zhang, “Joint activity detection and channel estimation for massive connectivity: Where message passing meets score-based generative priors,” IEEE Journal on Selected Areas in Communications, vol. 44, pp. 3575-3590, 2026. [Paper] [Code]

  2. L. Chen, C. Cai*, H. Yang, X. Yuan, and Y. -J. A. Zhang, “Scoring ISAC: Benchmarking integrated sensing and communications via score-based generative modeling,” Journal of Communications and Information Networks, vol. 10, no. 3, pp. 224-245, Sept. 2025. [Invited paper]

  3. C. Cai, X. Yuan, and Y. -J. A. Zhang, “End-to-end learning for task-oriented semantic communications over MIMO channels: An information-theoretic framework,” IEEE Journal on Selected Areas in Communications, vol. 43, no. 4, pp. 1292-1307, April 2025. [Paper]

  4. C. Cai, X. Yuan, and Y. -J. A. Zhang, “Multi-device task-oriented communication via maximal coding rate reduction,” IEEE Transactions on Wireless Communications, vol. 23, no. 12, pp. 18096-18110, Dec. 2024. [Paper] [Code]

  5. Y. Huang, C. Cai, X. Yuan, and Y. -J. A. Zhang, “Joint active and passive beamforming for RIS-aided semantic communication,” IEEE Transactions on Vehicular Technology, vol. 73, no. 12, pp. 19815-19820, Dec. 2024.

  6. C. Cai, X. Yuan, and Y. -J. A. Zhang, “RIS partitioning based scalable beamforming design for large-scale MIMO: Asymptotic analysis and optimization,” IEEE Transactions on Wireless Communications, vol. 22, no. 9, pp. 6061-6077, Sept. 2023.

  7. C. Cai, X. Yuan, W. Yan, Z. Huang, Y.-C. Liang, and W. Zhang, “Hierarchical passive beamforming for reconfigurable intelligent surface aided communications,” IEEE Wireless Communications Letters, vol. 10, no. 9, pp. 1909-1913, Sept. 2021.

  8. H. Yang, C. Cai, X. Yuan, and Y.-C. Liang, “RIS-aided constant-envelope beamforming for multiuser wireless power transfer: A max-min approach,” China Communications, vol. 18, no. 3, pp. 80-90, March 2021.

  9. C. Cai, H. Yang, X. Yuan, Y.-J. A. Zhang, and Y. Liu, “Reconfigurable intelligent surface assisted D2D underlay communications: A two-timescale optimization design,” Journal of Communications and Information Networks, vol. 5, no. 4, pp. 369-380, Dec. 2020.

Conferences

  1. C. Cai, W. Jiang, X. Yuan, and Y. -J. A. Zhang, “Joint activity detection and channel estimation for massive connectivity: Where message passing meets score-based diffusion priors,” IEEE ICC Workshops, 2026.

  2. C. Cai, X. Yuan, and Y. -J. A. Zhang, “Score-based turbo message passing for plug-and-play compressive image recovery,” IEEE International Workshop on Signal Processing and Artificial Intelligence in Wireless Communications (SPAWC), 2025. [Paper] [Code]

  3. C. Cai, X. Yuan, and Y. -J. A. Zhang, “Deep unfolding based precoding for task-oriented semantic communications over MIMO channels,” Asilomar Conference on Signals, Systems, and Computers (ASILOMAR), Pacific Grove, CA, USA, 2024, pp. 383-390.

  4. C. Cai, X. Yuan, and Y.-J. A. Zhang, “Task-oriented communication for multi-device edge inference: A maximal coding rate reduction approach,” IEEE International Conference on Communications (ICC), Denver, CO, USA, 2024, pp. 5628-5633.

  5. C. Cai, X. Yuan, and Y.-J. A. Zhang, “RIS partitioning based scalable beamforming design for large-scale MIMO,” IEEE Global Communications Conference (GLOBECOM), Rio de Janeiro, Brazil, 2022, pp. 2334-2339.

  6. C. Cai, H. Yang, X. Yuan, and Y.-C. Liang, “Two-timescale optimization for intelligent reflecting surface aided D2D underlay communication,” IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, 2020, pp. 1-6.