Chongjun Ouyang

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Journal Papers

  1. Secure Degrees of Freedom for Active RIS Aided Interference Channel with Confidential Messages
    Hongtao Luo, Qiang Wang, Chongjun Ouyang, Xiaofeng Tao, and Yuanwei Liu
    IEEE Transactions on Vehicular Technology, 2025+

  2. Continuous-Aperture Array (CAPA)-Based Wireless Communications: Capacity Characterization [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, 2025+

  3. Exploiting Continuous-Aperture Arrays in Integrated Sensing and Communication Systems
    Yue Zhang, Chongjun Ouyang, Hangguan Shan, Yuanwei Liu, Yong Zhou, and Zhiguo Shi
    IEEE Transactions on Wireless Communications, 2025+

  4. Diversity and Multiplexing for Continuous-Aperture Array (CAPA)-Based Communications [Arxiv]
    Chongjun Ouyang, Zhaolin Wang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, 2025+

  5. CAPA: Continuous-Aperture Arrays for Revolutionizing 6G Wireless Communications [Arxiv]
    Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang, Jiaqi Xu, Xidong Mu, and Zhiguo Ding
    IEEE Wireless Communications, 2025+

  6. Performance Analysis of Physical Layer Security: From Far-Field to Near-Field [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, 2025+

  7. Optimal Beamforming for Multi-User Continuous Aperture Array (CAPA) Systems [Arxiv]
    Zhaolin Wang, Chongjun Ouyang, and Yuanwei Liu
    IEEE Transactions on Communications, 2025+

  8. Performance Analysis of Holographic MIMO Based Integrated Sensing and Communications [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Communications, 2025+

  9. Near-Field Communications: A Comprehensive Survey [Arxiv]
    Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang, Jiaqi Xu, Xidong Mu, and A. Lee Swindlehurst
    IEEE Communications Surveys & Tutorials, Vol. 27, No. 3, Pages 1687 - 1728, June 2025

  10. Secure Wireless Communications via Frequency Diverse Arrays [Arxiv]
    Zhenqiao Cheng, Chongjun Ouyang, and Xingqi Zhang
    IEEE Signal Processing Letters, Vol. 32, Pages 2319 - 2323, 2025

  11. Array Gain for Pinching-Antenna Systems (PASS) [Arxiv]
    Chongjun Ouyang, Zhaolin Wang, Yuanwei Liu, and Zhiguo Ding
    IEEE Communications Letters, Vol. 29, No. 6, Pages 1471 - 1475, June 2025

  12. Beamforming Optimization for Continuous Aperture Array (CAPA)-based Communications [Arxiv]
    Zhaolin Wang, Chongjun Ouyang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, Vol. 24, No. 6, Pages 5099 - 5113, June 2025

  13. Channel Capacity of Near-Field Line-of-Sight Multiuser Communications [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, Vol. 24, No. 5, Pages 4392 - 4409, May 2025

  14. On the Secrecy Performance of MIMOME Keyhole Channels Aided with Artificial Noise
    Xujie Zang, Hao Xu, Chongjun Ouyang, and Hongwen Yang
    IEICE Transactions on Communications, Vol. E108–B, No. 5, Pages 631 - 639, May 2025

  15. Reconfigurable Intelligent Surfaces Assisted Multicast Transmissions With Finite-Alphabet Inputs
    Hao Xu, Shuwen Qi, Yunan Sun, Chongjun Ouyang, and Hongwen Yang
    IEEE Transactions on Vehicular Technology, Vol. 74, No. 4, Pages 6773 - 6778, April 2025

  16. STAR-RIS Aided Communication System with Movable Antennas Exploiting Statistical CSI
    Yunan Sun, Hao Xu, Boyu Ning, Lipeng Zhu, Chongjun Ouyang, and Hongwen Yang
    IEEE Communications Letters, Vol. 29, No. 4, Pages 824 - 828, April 2025

  17. Performance of UAV Networks With Multi-User Interference: A Meta Distribution Analysis
    Bingrong Wang, Tiankui Zhang, Chongjun Ouyang, and Yuanwei Liu
    IEEE Wireless Communications Letters, Vol. 14, No. 4, Pages 984 - 988, April 2025

  18. Sum-Rate Optimization for RIS-Aided Multiuser Communications With Movable Antennas [Arxiv]
    Yunan Sun, Hao Xu, Boyu Ning, Zhenqiao Cheng, Chongjun Ouyang, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 14, No. 2, Pages 450 - 454, February 2025

  19. A Primer on Near-Field Communications for Next-Generation Multiple Access [Arxiv]
    Chongjun Ouyang, Zhaolin Wang, Yan Chen, Xidong Mu, and Peiying Zhu
    Proceedings of the IEEE, Vol. 112, No. 9, Pages 1527 - 1565, September 2024

  20. The Road to Next-Generation Multiple Access: A 50-Year Tutorial Review [Arxiv]
    Yuanwei Liu, Chongjun Ouyang, Zhiguo Ding, and Robert Schober
    Proceedings of the IEEE, Vol. 112, No. 9, Pages 1100 - 1148, September 2024

  21. RIS-Assisted Multi-Carrier Secret Key Generation in Static Environments
    Ji Gu, Chongjun Ouyang, Xin Zhang, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 13, No. 10, Pages 2777 - 2781, October 2024

  22. On the Impact of Reactive Region on the Near-Field Channel Gain [Arxiv]
    Chongjun Ouyang, Zhaolin Wang, Boqun Zhao, Xingqi Zhang, and Yuanwei Liu
    IEEE Communications Letters, Vol. 28, No. 10, Pages 2417 - 2421, October 2024

  23. Downlink and Uplink NOMA-ISAC with Signal Alignment [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Xingqi Zhang, and Yuanwei Liu
    IEEE Transactions on Wireless Communications, Vol. 23, No. 10, Pages 15322 - 15338, October 2024

  24. Analog Beamforming Enabled Multicasting: Finite-Alphabet Inputs and Statistical CSI [Arxiv]
    Yanjun Wu, Zhong Xie, Zhuochen Xie, Chongjun Ouyang, and Xuwen Liang
    IEEE Communications Letters, Vol. 28, No. 8, Pages 1785 - 1789, August 2024

  25. Active Simultaneously Transmitting and Reflecting Surface Assisted NOMA Networks [Arxiv]
    Xinwei Yue, Jin Xie, Chongjun Ouyang, Yuanwei Liu, Xia Shen, and Zhiguo Ding
    IEEE Transactions on Wireless Communications, Vol. 23, No. 8, Pages 9912 - 9926, August 2024

  26. Joint Antenna Selection and Beamforming for Massive MIMO-enabled Over-the-Air Federated Learning [Arxiv]
    Saba Asaad, Hina Tabassum, Chongjun Ouyang, and Ping Wang
    IEEE Transactions on Wireless Communications, Vol. 23, No. 8, Pages 8603 - 8618, August 2024

  27. Modeling and Analysis of Near-Field ISAC [Arxiv]
    Boqun Zhao, Chongjun Ouyang, Yuanwei Liu, Xingqi Zhang, and H. Vincent Poor
    IEEE Journal of Selected Topics in Signal Processing, Vol. 18, No. 4, Pages 678 - 693, May 2024

  28. Sum-Rate Maximization for Fluid Antenna Enabled Multiuser Communications [Arxiv]
    Zhenqiao Cheng, Nanxi Li, Jianchi Zhu, Xiaoming She, Chongjun Ouyang, and Peng Chen
    IEEE Communications Letters, Vol. 28, No. 5, Pages 1206 - 1210, May 2024

  29. RIS-Assisted mmWave MIMO Communications With Finite-Alphabet Inputs and Partial CSI
    Hao Xu, Chongjun Ouyang, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 13, No. 5, Pages 1339 - 1343, May 2024

  30. Exploiting Active RIS in NOMA Networks With Hardware Impairments [Arxiv]
    Xinwei Yue, Meiqi Song, Chongjun Ouyang, Yuanwei Liu, Tian Li, and Tianwei Hou
    IEEE Transactions on Vehicular Technology, Vol. 73, No. 6, Pages 8207 - 8221, June 2024

  31. Revealing the Impact of Beamforming in ISAC [Arxiv]
    Chongjun Ouyang, Yuanwei Liu, and Xingqi Zhang
    IEEE Wireless Communications Letters, Vol. 13, No. 2, Pages 362 - 366, February 2024

  32. Near-Field Communications: A Tutorial Review [Arxiv]
    Yuanwei Liu, Zhaolin Wang, Jiaqi Xu, Chongjun Ouyang, Xidong Mu, and Robert Schober
    IEEE Open Journal of the Communications Society, Vol. 4, Pages 1999 - 2049, 2024

  33. Revealing the Impact of SIC in NOMA-ISAC [Arxiv]
    Chongjun Ouyang, Yuanwei Liu, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 12, No. 10, Pages 1707 - 1711, October 2023

  34. Channel Hardening of IRS-Aided Multi-Antenna Systems: How Should IRSs Scale? [Arxiv]
    Ali Bereyhi, Saba Asaad, Chongjun Ouyang, Ralf R. Müller, Rafael F. Schaefer, and H. Vincent Poor
    IEEE Journal on Selected Areas in Communications, Vol. 41, No. 8, Pages 2321 - 2335, August 2023

  35. Integrated Sensing and Communications: A Mutual Information-Based Framework [Arxiv]
    Chongjun Ouyang, Yuanwei Liu, Hongwen Yang, and Naofal Al-Dhahir
    IEEE Communications Magazine, Vol. 61, No. 5, Pages 26 - 32, May 2023

  36. RIS-Assisted Secure Communications: Low-Complexity Beamforming Design
    Zhenqiao Cheng, Nanxi Li, Jianchi Zhu, Xiaoming She, Chongjun Ouyang, and Peng Chen
    IEEE Wireless Communications Letters, Vol. 12, No. 6, Pages 1012 - 1016, June 2023

  37. IRS-Aided Communications With Finite-Alphabet Inputs: Analysis and Design
    Hao Xu, Chongjun Ouyang, and Hongwen Yang
    IEEE Communications Letters, Vol. 27, No. 4, Pages 1110 - 1114, April 2023

  38. MIMO-ISAC: Performance Analysis and Rate Region Characterization [Arxiv] [Code]
    Chongjun Ouyang, Yuanwei Liu, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 12, No. 4, Pages 669 - 673, April 2023

  39. On the Ergodic Mutual Information of Keyhole MIMO Channels With Finite-Alphabet Inputs [Arxiv]
    Chongjun Ouyang, Ali Bereyhi, Saba Asaad, Ralf R. Müller, Julian Cheng, and Hongwen Yang
    IEEE Communications Letters, Vol. 27, No. 1, Pages 90 - 94, January 2023

  40. Antenna Selection for IRS-Aided MU-MIMO
    Hao Xu, Chongjun Ouyang, and Hongwen Yang
    IEEE Communications Letters, Vol. 26, No. 11, Pages 2690 - 2694, November 2022

  41. Performance of Downlink and Uplink Integrated Sensing and Communications (ISAC) Systems [Arxiv] [Code]
    Chongjun Ouyang, Yuanwei Liu, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 11, No. 9, Pages 1850 - 1854, September 2022

  42. On the Performance of Uplink ISAC Systems [Arxiv] [Code]
    Chongjun Ouyang, Yuanwei Liu, and Hongwen Yang
    IEEE Communications Letters, Vol. 26, No. 8, Pages 1769 - 1773, August 2022

  43. Joint RF Precoding and Beam Selection Design for Uplink mmWave Beamspace MIMO Systems
    Zhenqiao Cheng, Zaixue Wei, Chongjun Ouyang, and Hongwen Yang
    IEEE Communications Letters, Vol. 26, No. 8, Pages 1833 - 1837, August 2022

  44. Physical Layer Security Over Mixture Gamma Distributed Fading Channels With Discrete Inputs: A Unified and General Analytical Framework
    Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Julian Cheng, and Hongwen Yang
    IEEE Communications Letters, Vol. 25, No. 2, Pages 412 - 416, February 2021

  45. Secrecy Performance for Finite-Alphabet Inputs Over Fluctuating Two-Ray Channels in FDA Communications
    Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Derrick Wing Kwan Ng, and Hongwen Yang
    IEEE Wireless Communications Letters, Vol. 9, No. 10, Pages 1638 - 1642, October 2020

  46. Security Enhancement via Antenna Selection in MIMOME Channels With Discrete Inputs
    Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Julian Cheng, Ailing Xiao, and Hongwen Yang
    IEEE Transactions on Communications, Vol. 68, No. 8, Pages 5041 - 5055, August 2020

  47. Receive Antenna Selection Under Discrete Inputs: Approximation and Applications
    Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Derrick Wing Kwan Ng, and Hongwen Yang
    IEEE Transactions on Communications, Vol. 68, No. 4, Pages 2634 - 2647, April 2020

  48. Approximating Ergodic Mutual Information for Mixture Gamma Fading Channels With Discrete Inputs
    Chongjun Ouyang, Sheng Wu, Chunxiao Jiang, Julian Cheng, and Hongwen Yang
    IEEE Communications Letters, Vol. 24, No. 4, Pages 734 - 738, April 2020

  49. A Secure Receive Spatial Modulation Scheme Based on Random Precoding
    Lu Zhang, Mingyang Sun, Zeliang Ou, Chongjun Ouyang, and Hongwen Yang
    IEEE Access, Vol. 7, Pages 122367 - 122377, 2019