2023

1. R. Chen, Z. Tian, W.-X. Long, X. Wang and W. Zhang, "Hybrid mechanical and electronic beam steering for maximizing OAM channel capacity," IEEE Transactions on Wireless Communications, vol. 22, no. 1, pp. 534-549, Jan. 2023.
2. R. Chen, J. Zhou, W.-X. Long and W. Zhang, "Hybrid circular array and luneberg lens for long-distance OAM wireless communications," IEEE Transactions on Communications, vol. 71, no. 1, pp. 485-497, Jan. 2023.
3. Y. Hui, Y. Qiu, N. Cheng, Z. Yin, R. Chen, K. Liang, and T. Luan, "Digital twin enabled on-demand content delivery in HetVNets," IEEE Internet of Things Journal, early access, Feb. 2023.
4. Y. Hui, Y. Huang, C. Li, N. Cheng, P. Zhao, R. Chen, K. Liang, and T. Luan, "On-demand self-media data trading in heterogeneous vehicular networks" IEEE Transactions on Vehicular Technology, early access, Apr. 2023.
5. X. Xiao, Z. Peng, Y. Lin, Z. Jin, W. Shao, R. Chen, N. Cheng, G. Mao, "Parking prediction in smart cities: A survey," IEEE Transactions on Intelligent Transportation Systems, early access, May 2023.
6. R. Chen, J. Ning, Y. Lei, Y. Hui, and N. Cheng, "Mixed traffic flow state detection: A connected vehicles assisted roadside radar and video data fusion scheme," IEEE Open Journal of Intelligent Transportation Systems, early access, May 2023.
7. R. Chen, L. Chang, Y. Hui, N. Cheng and W. Zhang, "Non-cooperative topology inference of wireless networks with monitoring sensors," IEEE Internet of Things Journal, early access, May 2023.
8. Y. Liu, R. Chen, Y. Zhou, M. Liu, Y. Hui and N. Cheng, "RFID-based vehicle localization using virtual wideband multi-frequency continuous wave," IEEE Journal of Radio Frequency Identification, vol. 7, pp. 222-232, 2023.
9. W.-X. Long, M. Moretti, L. Sanguinetti and R. Chen, "Channel estimation in RIS-aided communications with interference," IEEE Wireless Communications Letters, early access, July 2023.
10. W.-X. Long, Z. Tian, R. Chen and M. Moretti, "MEMS-based hybrid mechanical-electronic beam steering for THz OAM communication chips," IEEE ICC 2023 OAMT workshop, Jun. 2023.
11. N. Li, J. Fan, W.-X. Long and R. Chen, "Misalignment-robust OAM multi-mode multiplexing with index modulation based on UCA samples learning," IEEE PIMRC 2023, Sep. 2023.
12. Y. Liu, W.-X. Long, R. Chen, L. Wu, and B. M. R. Shankar, "Vortex wavefront FMCW ISAC model: A blender-based evaluation," IEEE SPAWC 2023, Sep. 2023.

2022

1. W.-X. Long, R. Chen, M. Moretti, W. Zhang and J. Li  "Joint OAM radar-communication systems: Target recognition and beam optimization," IEEE Transactions on Wireless Communications, early access, Nov. 2022.
2. W.-X. Long, R. Chen, M. Moretti, "Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation," IEEE Transactions on Vehicular Technology, early access, Oct. 2022.
3. R. Chen, M. Liu, Y. Hui, N. Cheng and J. Li, "Reconfigurable intelligent surfaces for 6G IoT wireless positioning: A contemporary survey," IEEE Internet of Things Journal, vol. 9, no. 23, pp. 23570-23582, Dec. 2022.
4. X. Xiao, W. Guo, R. Chen, Y. Hui, J. Wang, and H Zhao. "A Swin transformer-based encoding booster integrated in U-shaped network for building extraction," Remote Sensing, vol. 14, no. 11: 2611, 2022.
5. R. Chen, X. Huang, Y. Zhou, Y. Hui and N. Cheng, "UHF-RFID-based real-time vehicle localization in GPS-less environments," IEEE Transactions on Intelligent Transportation Systems, vol. 23, no. 7, pp. 9286-9293, July 2022.
6. H. Tang, Y. Zhou, W. Song, L. Chang and R. Chen, "Anti-collision phase extraction in RFID systems," IEEE RFID-TA 2022, Sep. 12-14, 2022.
7. M. Chen and R. Chen, "Robust TH-VP precoding under quantized CSI," IEEE PIMRC 2022, Sep. 12-15, 2022.
8. L. Chang, H. Li and R. Chen, "Identification of critical nodes based on overall network performance in Ad Hoc networks," IEEE PIMRC 2022, Sep. 12-15, 2022.
9. Y. Qiu, R. Renata, Y. Hui, R. Chen, Z. Yin, and N. Cheng, "Integrated sensing, communication, and caching for content delivery in SAGIVNs," IEEE VTC 2022spring, Jun. 19-22, 2022.
10. F. Ding, Y. Zhang, R. Chen, Z. Liu, and H. Tan, "A deep learning based traffic state estimation method for mixed traffic flow environment", Journal of Advanced Transportation, vol. 2022, Article ID 2166345, 12 pages, 2022.

2021

1. R. Chen, R. Yao, W.-X. Long, M. Moretti and J. Li, "UCA-based OAM non-orthogonal multi-mode multiplexing," IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 181-190, Feb. 2021.
2. R. Chen, B. Yang and W. Zhang, "Distributed and collaborative localization for swarming UAVs," IEEE Internet of Things Journal, vol. 8, no. 6, pp. 5062-5074, Mar. 2021.
3. W.-X. Long, R. Chen, M. Moretti, W. Zhang and J. Li, "A promising technology for 6G wireless networks: intelligent reflecting surface," Journal of Communications and Information Networks, vol. 6, no. 1, pp. 1-16, Mar. 2021.
4. W.-X. Long, R. Chen, M. Moretti and J. Li, "AoA estimation for OAM communication systems with mode-frequency multi-time ESPRIT method," IEEE Transactions on Vehicular Technology, vol. 70, no. 5, pp. 5094-5098, Apr. 2021.
5. M. Bao, G. C. Urgessa, M. Xing, L. Han and R. Chen, "Toward more robust and real-time unmanned aerial vehicle detection and tracking via cross-scale," Remote Sensing, vol. 13, no. 8, pp. 1416, Apr. 2021.
6. B. Yang, R. Chen, B. Li and C. Li, "Multi-vehicle cooperative positioning based on edge-computed multidimensional scaling," China Communications, vol. 18, no. 6, pp. 53-63, Jun. 2021.
7. W.-X. Long, R. Chen, M. Moretti, J. Xiong and J. Li, "Joint spatial division and coaxial multiplexing for downlink multi-user OAM wireless backhaul," IEEE Transactions on Broadcasting, vol. 67, no. 4, pp. 879-893, Dec. 2021.
8. R. Chen, M. Zou, X. Wang and A. Tennent, "Generation and beam steering of of arbitrary-order OAM with time-modulated circular arrays," IEEE Systems Journal, vol. 15, no. 4, pp. 5313-5320, Dec. 2021.
9. Z. Tian, R. Chen, W.-X. Long, H. Zhou and M. Moretti, "Broadband beam steering for misaligned multi-mode OAM communication systems," Journal of Systems Engineering and Electronics, vol. 32, no. 4, pp. 779-788, Aug. 2021.
10. J. Fan, R. Chen, W.-X. Long, M. Moretti and J. Li, "Radio-frequency multi-mode OAM detection based on UCA samples learning," IEEE SPAWC 2021, Sep. 27-30, 2021.
11. T. Guo, R. Chen, B. Yang and B. Li, "Robust MDS-BP collaborative localization in GPS-challenged environments," IEEE VTC 2021fall, Oct. 27-30, 2021.
12. Y. Hui, Q. Wang, N. Cheng, R. Chen, X. Xiao,T. H. Luan, "Time or Reward: Digital-twin Enabled Personalized Vehicle Path Planning", IEEE Globecom 2021, Dec. 7-11, 2021.
13. Y. Hui, N. Cheng, Y. Huang, R. Chen, X. Xiao, C. Li and G. Mao "Personalized vehicular edge computing in 6G," IEEE Network , vol. 35, no. 6, pp. 278-284, November/December 2021.

2020

1. R. Chen, H. Zhou, M. Moretti, X. Wang and J. Li, "Orbital angular momentum waves: generation, detection and emerging applications," IEEE Communications Surveys and Tutorials, vol. 22, no. 2, pp. 840-868, Secondquarter 2020.
2. R. Chen, W.-X. Long, X. Wang and J. Li, "Multi-mode OAM Radio Waves: Generation, Angle of Arrival Estimation and Reception With UCAs," IEEE Transactions on Wireless Communications, vol. 19, no. 10, pp. 6932-6947, Oct. 2020.
3. R. Chen, H. Zhou, W.-X. Long and M. Moretti, "Spectral and Energy Efficiency of Line-of-Sight OAM-MIMO Communication Systems," China Communications, vol. 17, no. 9, pp. 119-127, Sep. 2020. (6G Mobile Networks Special Issue)
4. R. Chen, Z. Tian, H. Zhou and W.-X. Long, "OAM-Based Concentric Spatial Division Multiplexing for Cellular IoT Terminals," IEEE Access, vol. 8, pp. 59659-59669, 2020.
5. R. Chen, H. Du and J. Li, "Indoor Communications With OAM array", IEEE ICC 2020 Workshop on OAM, Jun. 7, 2020, pp 1-5.
6. R. Chen, X. Huang, W. Liu and Y. Zhou, "RFID-Based Vehicle Localization Scheme in GPS-Less Environments," IEEE INFOCOM 2020 Workshop on WCNEE, 2020, pp. 1237-1241.
7. W. Li, Z. Liu, Y. Hui, L. Yang, R. Chen and X. Xiao, "Vehicle Classification and Speed Estimation Based on a Single Magnetic Sensor," IEEE Access, vol. 8, pp. 126814-126824, 2020.

2019

1. R. Chen, W.-X. Long and J. Li, "Reception of misaligned multi-mode OAM signals", IEEE Globecom 2019, Hawaii, Dec. 9-13, 2019.
2. R. Chen, H. Zhou and J. Li, "Constant envelope multi-mode OAM communication system with UCA antennas", IEEE Globecom 2019, Hawaii, Dec. 9-13, 2019.
3. R. Chen, B. Yang, W. Wang and P. Chen, "Range and velocity estimation for DFRFT-OFDM-Based joint communication and sensing systems", IEEE VTC 2019fall, Hawaii, Sep. 22-25, 2019.
4. R. Chen, M. Zou and J. Li, "Effect of beam steering on the performance of misaligned multi-mode OAM communications", IEEE VTC 2019fall, Hawaii, Sep. 22-25, 2019.
5. R. Chen, H. Zhou and M. Moretti, "Performance comparison of non-linear precoding schemes for multi-user MIMO broadcast channels", IEEE VTC 2019fall, Hawaii, Sep. 22-25, 2019.
6. R. Chen, M. Zou, Q. Feng and J. Li, "Generation of OAM radio waves using a single antenna in uniform circular motion", IEEE APCAP 2019, Incheon, Aug. 4-7, 2019.
7. Z. Tian, R. Chen and C. Li, "Dual-band inverted F-shaped antenna array for sub-6 GHz smartphones", IEEE VTC2019spring, Kuala Lumpur, Apr. 28-May 1, 2019.
8. R. Chen, H. Xu, X. Wang and J. Li, "On the performance of OAM in keyhole channels," IEEE Wireless Communications Letters, vol. 8, no. 1, pp. 313-316, Feb. 2019.

2018

1. R. Chen, W. Long, Y. Gao and J. Li, "Orbital angular momentum-based two-dimensional super-resolution targets imaging," IEEE GlobalSIP 2018, California, Nov. 26-29, 2018.
2. R. Chen, W. Long, G. Mao and C. Li, "Development trends of mobile communication systems for railways," IEEE Communications Surveys and Tutorials, vol. 20, no. 4, pp. 3131-3141, Oct. 2018.
3. R. Chen, H. Xu, M. Moretti and J. Li, "Beam steering for the misalignment in UCA-based OAM communication systems," IEEE Wireless Communications Letters, vol. 7, no. 4, pp. 582-585, Aug. 2018.
4. R. Chen, W. Yang, H. Xu and J. Li, "A 2-D FFT-based transceiver architecture for OAM-OFDM systems with UCA antennas," IEEE Transactions on Vehicular Technology, vol. 67, no. 6, pp. 5481-5485, Jun. 2018.
5. L. Wang, J. Li, J. Zhang and R. Chen, "Uplink sum rate analysis of massive distributed MIMO systems over composite fading channels," IEEE Access, vol. 6, pp. 25970-25978, 2018.
6. Y. Yang, Y. Li, K. Li, S. Zhao, R. Chen, J. Wang and S. Ci, "DECCO: Deep-learning enabled coverage and capacity optimization for massive MIMO systems," IEEE Access, vol. 6, pp. 23361-23371, 2018.
7. R. Chen, H. Xu, C. Li, L. Zhu and J. Li, "Hybrid beamforming for broadband millimeter wave massive MIMO systems," IEEE VTC 2018spring, Porto, Jun. 3-6, 2018.

2012-2017

1. R. Chen, M. Moretti and X. Wang, "Hybrid TH-VP precoding for multiuser MIMO," IEEE Transactions on Vehicular Technology, vol. 66, no. 12, pp. 11399-11403, Dec. 2017.
2. R. Chen, H. Xu, J. Li and Y. Zhang, "Misalignment-robust receiving scheme for UCA-based OAM communication systems," IEEE VTC2017spring, Sydney, Jun. 4-7, 2017.
3. R. Chen, C. Li, J. Li and X. Cai, "Performance of vector perturbation MU-MIMO systems in a composite fading channel," Wireless Personal Communications, vol. 89, no. 1, pp. 135~147, Jun. 2016.
4. R. Chen, C. Li and J. Li, "Opportunistic vector perturbation with superposition signalling," China Communications, no. 12, pp. 163-168, Dec. 2015.
5. Y. Zhang, L. Pang, X. Liang, X. Liu, R. Chen and J. Li, "Propagation characteristics of circularly and linearly polarized electromagnetic waves in urban macrocell scenario," IEEE Transactions on Vehicular Technology, vol. 64, no. 1, pp. 209-222, Jan. 2015.
6. J. Yan, J. Li, L. Zhao and R. Chen, “Robust joint transmit beamforming with QoS guarantees in time asynchronous DAS,” IEEE Transactions on Vehicular Technology, vol. PP, no. 99, pp. 1-13, Jun. 2014.
7. R. Chen, J. Li, C. Li and W. Liu, “Multi-user multi-stream vector perturbation precoding,” Wireless Personal Communications, vol. 69, no. 1, pp. 335-355, Mar. 2013.
8. R. Chen, C. Li, J. Li and Y. Zhang, "Low complexity user grouping vector perturbation," IEEE Wireless Communications Letters, vol. 1, no. 3, pp. 189-192, Jun. 2012.
9. R. Chen, C. Li, J. Li and et al, “Low complexity multi-user multi-stream MIMO vector perturbation precoder for FPGA implementation," IEICE Electronics Express, vol. 10, no. 4, pp. 1-7, Feb. 2013.
10. R. Chen, J. Li, W. Liu, D. Chen and L. Hui, “Robust uniform channel decomposition and power allocation for MIMO systems with imperfect CSI,” Wireless Personal Communications, vol. 64, no. 4, pp. 761-781, June 2012.
11. R. Chen, J. Li, C. Li and W. Liu, “Lattice-reduction-aided MMSE precoding for correlated MIMO channels and performance analysis,”Journal of Systems Engineering and Electronics, vol. 23, no. 1, Feb. 2012.
12. R. Chen, J. Li, C. Li and W. Liu, “Joint transceiver design for OFDM systems,” China Communications, vol. 9, no. 2, pp. 43–51, Feb., 2012.
13. R. Chen, C. Li and J. Li, “Distributed spatial interference coordination for IEEE 802.11n wireless networks,”IEICE Trans. on Communications, vol. E95-B, no. 4, pp. 1297-1299, April 2012.
14. Y. Ma, J. Li and R. Chen, “On the achievability of interference alignment for three-cell constant cellular interfering networks,”IEEE Communications Letters, vol. 16, no. 9, pp. 1384-1387, Sep. 2012. 
15. Y. Ma, J. Li, R. Chen and Q. Liu, “On feasibility of interference alignment for L-cell constant cellular interfering networks,”IEEE Communications Letters, vol. 16, no. 5, pp. 714-716, May 2012.
16. Y. Ma, J. Li, Q. Liu and R. Chen, “Group-based interference alignment,”IEEE Communications Letters, vol. 15, no. 4, pp. 383-385, April 2011.