Publications

More publications can be found on my Google Scholar page.

Selected Publications (Updated: 2020-12)

Books:

• • R. He and Z. Ding, "Applications of Machine Learning in Wireless Communications", IET, pp. 1-492, 2019, London, United Kingdom.

  • R. He, "Wireless Channel Measurement and Modeling in Mobile Communication Scenario: Theory and Application" (in Chinese), Posts & Telecom Press, pp. 1-227, 2018, Beijing, China.

Book Chapters:

• • R. He, M. Yang, B. Ai, and Z. Zhong, “Device-to-device channels,” Wiley 5G Ref: The Essential 5G Reference Online, John Wiley & Sons Ltd, 2019.

  • R. He, "Radio channel measurements and modeling for V2V communications," Vehicle-to-vehicle and vehicle-to-infrastructure communications - A technical approach, CRC Press, Taylor & Francis Group, 2018.

  • E. G. Ström, L. Ekiz, T. Abbas, R. He, S. J. Ambroziak, V. Shivaldova, and J. Nuckelt, "Vehicular communication environments," Cooperative Radio Communications for Green Smart Environments, COST IC1004, River Publishers Series in Communications, 2016.

Journal Papers:

• • C. Huang, R. Wang, P. Tang, R. He, B. Ai, Z. Zhong, C. Oestges, and A. F. Molisch, “Geometry-cluster-based stochastic MIMO model for vehicle-to-vehicle communications in street canyon scenarios,” IEEE Transactions on Wireless Communications, accepted.

  • M. Yang, B. Ai, R. He, C. Huang, Z. Ma, Z. Zhong, J. Wang, L. Pei, Y. Li, and J. Li, “Machine-learning-based fast angle-of-arrival recognition for vehicular communications,” IEEE Transactions on Vehicular Technology, accepted.

  • H. Zhang, R. He, B. Ai, S. Cui, and H. Zhang, “Measuring sparsity of wireless channels”, IEEE Transactions on Cognitive Communications and Networking, accepted.

  • M. Yang, B. Ai, R. He, C. Shen, M. Wen, C. Huang, J. Li, Z. Ma, L. Chen, X. Li, and Z.Zhong, “Machine-learning-based scenario identification using channel characteristics in intelligent vehicular communications”, IEEE Transactions on Intelligent Transportation Systems, accepted.

  • T. Li, R. He, B. Ai, M. Yang, Z. Zhong, and H. Zhang*, “OTFS modulation performance in satellite-to-ground channel at sub-6 GHz and millimeter-wave bands with high mobility,” Frontiers of Information Technology & Electronic Engineering, accepted.

  • R. He, C. Schneider, B. Ai, G. Wang, Z. Zhong, D. Dupleich, R. S. Thomä, M. Boban, J. Luo, and Y. Zhang, “Propagation channels of 5G millimeter wave vehicle-to-vehicle communications: recent advances and future challenges,” IEEE Vehicular Technology Magazine, vol. 15, no. 1, pp. 16-26, 2020.

  • B. Ai, R. He, H. Zhang, M. Yang, Z. Ma, G. Sun, and Z. Zhong, “Feeder communication for integrated networks,” IEEE Wireless Communications, vol. 27, no. 6, pp. 20-27, 2020.

  • C. Huang, A. F. Molisch, R. He, R. Wang, P. Tang, B. Ai, and Z. Zhong, “Machine learning-enabled LOS/NLOS identification for MIMO systems in dynamic environments,” IEEE Transactions on Wireless Communications, vol. 19, no. 6, pp. 3643-3657, 2020.

  • M. Yang, B. Ai, R. He, G. Wang, L. Chen, X. Li, C. Huang, Z. Ma, Z. Zhong, J. Wang, Y. Li, and T. Juhana, “Measurements and cluster-based modeling of vehicle-to-vehicle channels with large vehicle obstructions”, IEEE Transactions on Wireless Communications, vol. 19, no. 9, pp. 5860-5874, 2020.

  • Z. Ma, B. Ai, R. He, G. Wang, Y. Niu, and Z. Zhong, “A wideband non-stationary air-to-air channel model for UAV communications,” IEEE Transactions on Vehicular Technology, vol. 69, no. 2, pp. 1214-1226, 2020.

  • Z. Ma, B. Ai, R. He, G. Wang, Y. Niu, M.Yang, J. Wang, Y. Li, and Z. Zhong, “Impact of UAV rotation on MIMO channel characterization for air-to-ground communication systems,” IEEE Transactions on Vehicular Technology, vol. 69, no. 11, pp. 12418-12431, 2020.

  • C. Huang, A. F. Molisch, Y. Geng, R. He, B. Ai, and Z. Zhong, “Trajectory-joint clustering algorithm for time-varying channel modeling,” IEEE Transactions on Vehicular Technology, vol. 69, no. 1, pp. 1041-1045, 2020.

  • Q. Zheng, R. He, B. Ai, C. Huang, W. Chen, Z. Zhong, and H. Zhang, “Channel non-line-of-sight identification based on convolutional neural networks,” IEEE Wireless Communications Letters, vol. 9, no. 9, pp. 1500-1504, 2020.

  • C. Chen, G. Wang, P. D. Diamantoulakis, R. He, G. K. Karagiannidis, and C. Tellambura, “Signal detection and optimal antenna selection for ambient backscatter communications with multi-antenna tags,” IEEE Transactions on Communications, vol. 68, no. 1, pp. 466-479, 2020.

  • Y. Chen, B. Ai, Y. Niu, Z. Han, R. He, Z. Zhong, and G. Shi, “Sub-channel allocation for full-duplex access and device-to-device links underlaying heterogeneous cellular networks using coalition formation games,” IEEE Transactions on Vehicular Technology, vol. 69, no. 9, pp. 9736-9749, 2020.

  • J. Li, L. Pei, T. Ning, J. Zheng, Y. Li and R. He, “Measurement of instantaneous microwave frequency by optical power monitoring based on polarization interference,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 8, pp. 2285-2291, 2020.

  • J. Li, C. Wang, L. Pei, T. Ning, J. Zheng, R. He, and Y. Li, “Generation of an optical triangular-shaped pulse train with variable symmetry by using an I/Q modulator,” Optics Letters, vol. 45, no. 6, pp. 1411-1414, 2020.

  • Z. Wen, R. He, B. Ai, B. Zhang, M. Yang, W. Wang, Z. Zhong, and H. Zhang, “Measurement and modeling of LTE-railway channels in high-speed railway environment,” Radio Science, vol. 55, no. 4, pp. 1-12, 2020. 

  • C. Huang, A. F. Molisch, R. He, R. Wang, P. Tang, and Z. Zhong, “Machine-learning-based data processing techniques for vehicle-to-vehicle channel modeling,” IEEE Communications Magazine, vol. 57, no. 11, pp. 109-115, 2019.

  • J. Li, B. Ai, R. He, M. Yang, Z. Zhong, and Y. Hao, “A cluster-based channel model for massive MIMO communications in indoor hotspot scenarios”, IEEE Transactions on Wireless Communications, vol. 18, no. 8, pp. 3856-3870, 2019.

  • J. Li, B. Ai, R. He, M. Yang, Z. Zhong, Y. Hao, and G. Shi, “On 3D cluster-based channel modeling for large-scale array communications,” IEEE Transactions on Wireless Communications, vol. 18, no. 10, pp. 4902-4914, 2019.

  • W. Zhao, G. Wang, S. U. B. Atapattu, R. He, and Y.-C. Liang, “Channel Estimation for Ambient Backscatter Communication Systems with Massive-Antenna Reader,” IEEE Transactions on Vehicular Technology, vol. 68, no. 8, pp. 8254-8258, 2019.

  • M. Yang, B. Ai, R. He, L. Chen, X. Li, J. Li, B. Zhang, C. Huang, and Z. Zhong, “A cluster-based three-dimensional channel model for vehicle-to-vehicle communications,” IEEE Transactions on Vehicular Technology, vol. 68, no. 6, pp. 5208-5220, 2019.

  • Y. Miao, W. Fan, J. Takada, R. He, X. Yin, M. Yang, J. R.-Pineiro, A. A. Glazunov, W. Wang, and Y. Gong, “Comparing channel emulation algorithms by using plane waves and spherical vector waves in multiprobe anechoic chamber setups,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 6, pp. 4091-4103, 2019.

  • B. Zhang, Z. Zhong, R. He, G. Dahman, J. Ding, S. Lin, B. Ai, and M. Yang, “Measurement-based Markov modeling for multi-link channels in railway communication systems,” IEEE Transactions on Intelligent Transportation Systems, vol. 20, no. 3, pp. 985-999, 2019.

  • C. Huang, R. He, Z. Zhong, B. Ai, Y. Geng, Z. Zhong, Q. Li, K. Haneda, and C. Oestges, “A power-angle-spectrum based clustering and tracking algorithm for time-varying radio channels,” IEEE Transactions on Vehicular Technology, vol. 68, no. 1, pp. 291-305, 2019.

  • Y. Chen, B. Ai, Y. Niu, R. He, Z. Zhong, and Z. Han, “Resource allocation for device-to-device communications in multi-cell multi-band heterogeneous cellular networks,” IEEE Transactions on Vehicular Technology, vol. 68, no. 5, pp. 4760-4773, 2019.

  • J. Li, B. Ai, R. He, M. Yang, and Z. Zhong, “On modeling of dense multipath component for indoor massive MIMO channels”, IEEE Antennas and Wireless Propagation Letters, vol. 18, no. 3, pp. 526-530, 2019.

  • C. Zhang, G. Wang, M. Jia, R. He, L. Zhou, and B. Ai, “Doppler shift estimation for millimeter-wave communication systems on high-speed railways,” IEEE ACCESS, vol. 7, pp. 40454-40462, 2019.

  • J. Li, B. Ai, R. He, M. Yang, and Z. Zhong, “Multi-frequency channel characterization for massive MIMO communications in lobby environment,” China Communications, vol. 16, no. 9, pp. 79-92, 2019.

  • M. Yang, B. Ai, R. He, L. Chen, X. Li, J. Li, and Z. Zhong, “V2V channel characterization and modeling for underground parking garages”, China Communications, vol. 16, no. 9, pp. 93-105, 2019.

  • W. Zhang, Y. Qin, W. Zhao, M. Jia, Q. Liu, R. He, and B. Ai, “A green paradigm for Internet of Things: Ambient backscatter communications,” China Communications, vol. 16, no. 7, pp. 109-119, 2019.

  • R. He, B. Ai, A. F. Molisch, G. L. Stüber, Q. Li, Z. Zhong, and J. Yu, “Clustering enabled wireless channel modeling using big data algorithms,” IEEE Communications Magazine, vol. 56, no. 5, pp. 177-183, 2018.

  • R. He, B. Ai, G. L. Stüber, and Z. Zhong, “Mobility model-based non-stationary mobile-to-mobile channel modeling,” IEEE Transactions on Wireless Communications, vol. 17, no. 7, pp. 4388-4400, 2018.

  • R. He, B. Ai, G. L. Stuber, G. Wang, and Z. Zhong, “Geometrical based modeling for millimeter wave MIMO mobile-to-mobile channels,” IEEE Transactions on Vehicular Technology, vol. 67, no. 4, pp. 2848-2863, 2018.

  • R. He, B. Ai, G. L. Stüber, and Z. Zhong, “Geometrical-based statistical modeling for polarized MIMO mobile-to-mobile channels,” IEEE Transactions on Antennas and Propagation, vol. 66, no. 8, pp. 4213-4227, 2018.

  • J. Li, B. Ai, R. He, M. Yang, Q. Wang, B. Zhang, and Z. Zhong, “Cluster-based 3-D channel modeling for massive MIMO in subway station environment,” IEEE ACCESS, vol.6, pp. 6257-6272, 2018.

  • Y. Geng, Q. Li, R. Zheng, F. Zhuang, R. He, and N. Xiong, “RECOME: a new density-based clustering algorithm using relative KNN kernel density,” Information Sciences, vol. 436-437, pp. 13-30, 2018.

  • R. He, Q. Li, B. Ai, Y. Geng, A. F. Molisch, V. Kristem, Z. Zhong, and J. Yu, “A Kernel-power-density based algorithm for channel multipath components clustering,” IEEE Transactions on Wireless Communications, vol. 16, no. 11, pp. 7138-7151, 2017.

  • B. Ai, K. Guan, R. He, J. Li, G. Li, D. He, Z. Zhong, and K. M. S. Huq, “On indoor millimeter wave massive MIMO channels: measurement and simulation,” IEEE Journal on Selected Areas in Communications, vol. 35, no. 7, pp. 1678-1690, 2017.

  • B. Ai, R. He, G. Li, K. Guan, D. He, G. Shi, and Z. Zhong, "Determination of cell coverage area and its applications in high-speed railway environments," IEEE Transactions on Vehicular Technology, vol. 66, no. 5, pp. 3515-3525, 2017.

  • D. He, K. Guan, A. Fricke, B. Ai, R. He, Z. Zhong, A. Kasamatsu, I. Hosako, and T. Kürner, “Stochastic channel modeling for Kiosk applications in the Terahertz band,” IEEE Transactions on Terahertz Science and Technology, vol. 7, no. 5, pp. 502-513, 2017.

  • K. Guan, G. Li, T. Kuerner, A. F. Molisch, B. Peng, R. He, B. Hui, J. Kim, and Z. Zhong, “On millimeter wave and THz mobile radio channel for smart rail mobility,” IEEE Transactions on Vehicular Technology, vol. 66, no. 7, pp. 5658-5674, 2017.

  • C. Huang, R. He, Z. Zhong, Y. Geng, Q. Li, and Z. Zhong, “A novel tracking based multipath component clustering algorithm”, IEEE Antennas and Wireless Propagation Letters, vol. 16, no. 1, pp. 2679-2683, 2017.

  • Y. Li, R. He, S. Lin, K. Guan, D. He, Q. Wang, and Z. Zhong, “Cluster-based non-stationary channel modeling for vehicle-to-vehicle communications,” IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 408-411, 2017.

  • B. Zhang, Z. Zhong, R. He, F. Tufvesson, and B. Ai, “Measurement-based multiple-scattering model of small-scale fading in high-speed railway cutting scenarios,” IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 1427-1430, 2017.

  • Q. Wang, B. Ai, R. He, K. Guan, Y. Li, Z. Zhong, and G. Shi, “A framework of automatic clustering and tracking for time-variant multipath components,” IEEE Communications Letters, vol. 21, no. 4, pp. 953-956, 2017.

  • B. Zhang, Z. Zhong, R. He, B. Ai, G. Dahman, M. Yang, and J. Li, “Multi-user channels with large-scale antenna arrays in a subway environment: characterization and modeling,” IEEE Access, vol. 5, no. 1, pp. 23613-23625, 2017.

  • Q. Wang, B. Ai, D. W. Matolak, R. He, K. Guan, Z. Zhong, and D. Li, “Spatial variation analysis for measured indoor massive MIMO channels,” IEEE Access, vol. 5, no. 1, pp. 20828-20840, 2017.

  • X. Zhou, Z. Zhong, X. Bian, R. He, R. Sun, K. Guan, and K. Liu, “Indoor wideband channel measurements and analysis at 11 and 14 GHz,” IET Microwaves, Antennas & Propagation, vol. 11, no. 10, pp. 1393-1400, 2017.

  • X. Zhou, Z. Zhong, X. Bian, R. He, K. Guan, R. Sun, K. Liu and X. Guo, “Impacts of absorber loadings on simulating the multipath channel in a reverberation chamber,” International Journal of Antennas and Propagation, vol. 2017, pp. 1-7, 2017.

  • R. He, W. Chen, B. Ai, A. F. Molisch, W. Wang, Z. Zhong, J. Yu, and S. Sangodoyin, “On the clustering of radio channel impulse responses using sparsity-based methods,” IEEE Transactions on Antennas and Propagation, vol. 64, no. 6, pp. 2465-2474, 2016.

  • R. He, B. Ai, G. Wang, K. Guan, Z. Zhong, A. F. Molisch, C. Briso, and C. Oestges, "High-speed railway communications: from GSM-R to LTE-R," IEEE Vehicular Technology Magazine, vol. 11, no. 3, pp. 49-58, 2016.

  • R. He, O. Renaudin, V.-M. Kolmonen, K. Haneda, Z. Zhong, B. Ai, S. Hubert, and C. Oestges, "Vehicle-to-vehicle radio channel characterization in cross-road scenarios," IEEE Transactions on Vehicular Technology, vol. 65, no. 8, pp. 5850-5861, 2016.

  • S. Sangodoyin, V. Kristem, A. F. Molisch, R. He, F. Tufvesson, H. Behairy, "Statistical modeling of ultrawideband MIMO propagation channel in a warehouse environment," IEEE Transactions on Antennas and Propagation, vol 64, no. 9, pp. 4049-4063, 2016.

  • B. Ai, K. Guan, Z. Zhong, C. Lopez, L. Zhang, C. Briso, and R. He, "Measurement and analysis of extra propagation loss of tunnel curve," IEEE Transactions on Vehicular Technology, vol. 65, no. 4, pp. 1847-1858, 2016.

  • Q. Wang, B. Ai, K. Guan, D. Matolak, R. He, and X. Zhou, "Ray-based statistical propagation modeling for indoor corridor scenarios at 15 GHz," International Journal of Antennas and Propagation, vol. 2016, pp. 1-12, 2016.

  • R. He, O. Renaudin, V.-M. Kolmonen, K. Haneda, Z. Zhong, B. Ai, and C. Oestges, “Characterization of quasi-stationarity regions for vehicle-to-vehicle radio channels,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 5, pp. 2237-2251, 2015. 

  • R. He, O. Renaudin, V.-M. Kolmonen, K. Haneda, Z. Zhong, B. Ai, and C. Oestges, "A dynamic wideband directional channel model for vehicle-to-vehicle communications," IEEE Transactions on Industrial Electronics, Special Sections on Connected Vehicles - Advancements in Vehicular Technologies and Informatics, vol. 62, no. 12, pp. 7870-7882, 2015.

  • R. He, Z. Zhong, B. Ai, and K. Guan, “Reducing cost of the high-speed railway communications: from propagation channel view,” IEEE Transactions on Intelligent Transportation Systems, vol.16, no. 4, pp. 2050-2060, 2015. 

  • R. He, Z. Zhong, B. Ai, and C. Oestges, “Shadow fading correlation in high-speed railway environments,” IEEE Transactions on Vehicular Technology, vol. 64, no. 7, pp. 2762-2772, 2015.

  • R. He, B. Ai, Z. Zhong, A. F. Molisch, R. Chen, and Y. Yang, “A measurement-based stochastic model for high-speed railway channels,” IEEE Transactions on Intelligent Transportation Systems, vol. 16, no. 3, pp. 1120-1135, 2015.

  • G. Wang, Q. Liu, R. He, F. Gao, and C. Tellambura, "Acquisition of channel state information in heterogeneous cloud radio access networks: challenges and research directions," IEEE Wireless Communications Magazine, vol. 22, no. 3, pp. 100-107, 2015.

  • B. Chen, Z. Zhong, B. Ai, K. Guan, R. He, and D. G. Michelson, "Channel characteristics in high-speed railway: A survey of channel propagation properties," IEEE Vehicular Technology Magazine, vol. 10, no. 2, pp. 67-78, 2015.

  • K. Guan, B. Ai, Z. Zhong, C. Lopez, L. Zhang, C. Briso, A. Hrovat, B. Zhang, R. He, and T. Tang, "Measurements and analysis of large-scale fading characteristics in curved subway tunnels at 920 MHz, 2400 MHz, and 5705 MHz," IEEE Transactions on Intelligent Transportation Systems, vol. 16, no. 5, pp. 2393-2405, 2015.

  • M. Hu, Z. Zhong, M. Ni, and R. He, "Analysis of link lifetime with auto-correlated shadowing in high-speed railway networks," IEEE Communication Letters, vol. 19, no. 12, pp. 2106-2109, 2015.

  • T. Wang, B. Ai, R. He, and Z. Zhong, "Two-dimension direction-of-arrival estimation for massive MIMO systems," IEEE Access, vol. 3, pp. 2122-2128, 2015.

  • X. Zhou, Z. Zhong, B. Zhang, R. He, K. Guan, Q. Wang, and D. Matolak, "Experimental characterization and correlation analysis of indoor channels at 15 GHz," International Journal of Antennas and Propagation, vol. 2015, pp. 1-11, 2015.   

  • R. He, A. F. Molisch, F. Tufvesson, Z. Zhong, B. Ai, and T. Zhang, “Vehicle-to-vehicle propagation models with large vehicle obstructions,” IEEE Transactions on Intelligent Transportation Systems, vol. 15, no. 5, pp. 2237-2248, 2014. 

  • B. Ai, X. Cheng, T. Kürner, Z. Zhong, K. Guan, R. He, L. Xiong, D. Matolak, D. G. Michelson, and C. Briso, “Challenges toward wireless communications for high-speed railway,” IEEE Transactions on Intelligent Transportation Systems, vol. 15, no. 5, pp. 2143-2158, 2014.

  • R. He, Z. Zhong, B. Ai, K. Guan, B. Chen, J. I. Aionso, and C. Briso, “Propagation channel measurements and analysis at 2.4 GHz in subway tunnels,” IET Microwaves, Antennas & Propagation, vol. 7, no. 11, pp. 934-941, 2013.

  • K. Guan, Z. Zhong, B. Ai, R. He, B. Chen, Y. Li, and C. Briso-Rodriguez, “Complete propagation model in tunnels,” IEEE Antennas and Wireless Propagation Letters, vol. 12, pp. 741-744, 2013.

  • R. He, Z. Zhong, B. Ai, K. Guan, and R. Chen, “Simplified analytical propagation model for railway environments based on uniform theory of diffraction,” Electronics Letters, vol. 49, no. 6, pp. 397-399, 2013.

  • R. He, Z. Zhong, B. Ai, J. Ding, Y. Yang, and A. F. Molisch, “Short-term fading behavior in high-speed railway cutting scenario: measurements, analysis, and statistical models,” IEEE Transactions on Antennas and Propagation, vol. 61, no. 4, pp. 2209-2222, 2013.

  • R. He, Z. Zhong, B. Ai, G. Wang, J. Ding, and A. F. Molisch, “Measurements and analysis of propagation channels in high-speed railway viaducts,” IEEE Transactions on Wireless Communications, vol. 12, no. 2, pp. 794-805, 2013.

  • W. Jiang, K. Guan, Z. Zhong, B. Ai, R. He, B. Chen, Y. Li, and J. You, “Propagation and wireless channel modeling development on wide-sense Vehicle-to-X communications,” International Journal of Antennas and Propagation, vol. 2013, pp. 1-11, 2013.   

  • R. He, Z. Zhong, B. Ai, J. Ding, and K. Guan, “Analysis of the relation between Fresnel zone and path loss exponent based on two-ray model,” IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 208-211, 2012.

  • K. Guan, Z. Zhong, B. Ai, R. He, Y. Li, and C. Briso, “Propagation mechanism modeling in the near-region of arbitrary cross-sectional tunnels,” International Journal of Antennas and Propagation, vol. 2012, pp. 1-11, 2012.   

  • R. He, Z. Zhong, B. Ai, and J. Ding, “An empirical path loss model and fading analysis for high-speed railway viaduct scenarios,” IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 808-812, 2011.

  • R. He, Z. Zhong, B. Ai, and J. Ding, “Propagation measurements and analysis for high-speed railway cutting scenario,” Electronics Letters, vol. 47, no. 21, pp. 1167-1168, Oct. 2011.

Conference Papers:

• • Z. Ma, B. Ai, R. He, Z. Zhong, M. Yang, J. Wang, L. Pei, Y. Li, and J. Li, “Three-dimensional modeling of millimeter-wave MIMO channels for UAV-based communications,” in Proc. IEEE GLOBECOM, 2020.

  • Z. Ma, B. Ai, R. He, G. Wang, Z. Zhong, M. Yang, J. Wang, and Y. Li, “Impact of UAV rotation on MIMO channel space-time correlation,” in Proc. IEEE VTC-Fall, 2020.

  • M. Hu, Y. Ye, R. He, B. Ai, C. Huang, and Z. Zhong, “A novel power weighted multipath component clustering algorithm based on spectral clustering,” in Proc. IEEE VTC-Spring, 2020.

  • M. Yang, B. Ai, R. He, C. Huang, J. Li, Z. Ma, L. Chen, X. Li, and Z. Zhong, “Identification of vehicle obstruction scenario based on machine learning in vehicle-to-vehicle communications,” in Proc. IEEE VTC-Spring, 2020.

  • C. Huang, R. He, B. Ai, M. Yang, Y. Geng, and Z. Zhong, “Clustering performance evaluation algorithm for vehicle-to-vehicle radio channels,” in Proc. EuCAP, 2020.

  • S. Jiang, X. Zhang, W. Wang, M. Yang, and R. He, “Measurement and diffuse multipath analysis of V2V propagation channel at 5.9 GHz in tunnel area,” in Proc. EuCAP, 2020.

  • M. Yang, B. Ai, R. He, C. Huang, Z. Ma, and Z. Zhong, “Angle-of-arrival estimation for vehicle-to-vehicle communications based on machine learning,” in Proc. WCSP, 2020.

  • Z. Ma, B. Ai, R. He, and Z. Zhong, “A 3D air-to-air wideband non-stationary channel model of UAV communications,” in Proc. IEEE VTC-Fall, 2019.

  • M. Yang, B. Ai, R. He, L. Chen, X. Li, J. Li, Z. Ma, and Z. Zhong, “Directional analysis of vehicle-to-vehicle channels with large vehicle obstructions,” in Proc. IEEE VTC-Fall, 2019.

  • C. Huang, A. F. Molisch, R. Wang, P. Tang, R. He, and Z. Zhong, “Angular information-based NLOS/LOS identification for vehicle to vehicle MIMO system,” in Proc. IEEE ICC workshop, 2019.

  • C. Huang, A. F. Molisch, R. Wang, P. Tang, R. He, and Z. Zhong, “Research on Kernel functions of SVM for NLOS/LOS identification in vehicle to vehicle MIMO system,” in Proc. IEEE APS, 2019.

  • W. Lyu, Y. Li, Z. Liu, C. Huang, and R. He, “A target recognition based NLOS identification algorithm,” in Proc. IEEE APS, 2019.

  • S. Lukman, Y. Y. Nazaruddin, B. Ai, R. He, and E. Joelianto, “Estimation of received signal power for 5G-railway communication systems,” in Proc. IEEE ICEVT, 2019.

  • H. Zheng, Z. Yang, G. Wang, R. He, and B. Ai, “Channel estimation for ambient backscatter communications with large intelligent surface,” in Proc. WCSP, 2019.

  • J. Xu, W. Chen, B. Ai, R. He, Y. Li, J. Wang, T. Juhana, and A. Kurniawan, “Performance evaluation of autoencoder for coding and modulation in wireless communications,” in Proc. WCSP, 2019.

  • S. Ma, Y. Zhu, G. Wang, and R. He, “Machine learning aided channel estimation for ambient backscatter communication systems,” in Proc. IEEE ICCS, 2018.

  • Q. Wang, B. Ai, R. He, M. Yang, B. Zhang, J. Li, L. Chen, and X. Li, “Time-variant cluster-based channel modeling for V2V communications,” in Proc. IEEE ICC, 2018.

  • J. Li, B. Ai, R. He, M. Yang, Y. Zhang, X. Liu, Z. Zhong, and Y. Hao, “Directional analysis of massive MIMO channels at 11 GHz in theater environment,” in Proc. IEEE VTC-Fall, 2018.

  • J. Li, B. Ai, R. He, M. Yang, Q. Wang, B. Zhang, Z. Zhong, and Y. Hao, “Channel characterization for massive MIMO in subway station environment at 6 GHz and 11 GHz,” in Proc. IEEE VTC-Fall, 2018.

  • C. Huang, R. He, Z. Zhong, B. Ai, G. Wang, Z. Zhong, C. Oestges, and K. Haneda, “A Novel Target Recognition Based Radio Channel Clustering Algorithm,” in Proc. WCSP, 2018.

  • J. Li, B. Ai, R. He, M. Yang, Z. Zhong, Y. Hao, and G. Shi, “The 3D spatial non-stationarity and spherical wavefront in massive MIMO channel measurement,” in Proc. WCSP, 2018.

  • M. Yang, B. Ai, R. He, L. Chen, X. Li, Z. Huang, J. Li, and C. Huang, “Path loss analysis and modeling for vehicle-to-vehicle communications with vehicle obstructions,” in Proc. WCSP, 2018.

  • J. Li, B. Ai, R. He, M. Yang, Z. Zhong, and Y. Hao, “Measurement-Based Massive MIMO Channel Characterization in Lobby Environment at 11 GHz,” in Proc. IEEE/CIC ICCC, 2018.

  • M. Yang, B. Ai, R. He, L. Chen, X. Li, J. Li, Q. Wang, B. Zhang, and C. Huang, “A Cluster-Based 3D Channel Model for Vehicle-to-Vehicle Communications,” in Proc. IEEE/CIC ICCC, 2018.

  • Y. Zhu, G. Wang, H. Tang, R. He, and Y. Zou, “Channel Estimation for Ambient Backscatter Systems over Frequency-Selective Channels,” in Proc. IEEE/CIC ICCC, 2018.

  • C. Zhang, G. Wang, R. He, and Y. Zou, “A Doppler Shift Estimator for Millimeter-Wave Communication Systems on High-Speed Railways,” in Proc. IEEE/CIC ICCC, 2018.

  • C. Chen, G. Wang, R. He, F. Gao, and Z. Li, “Semi-blind detection of ambient backscatter signals from multiple-antenna tags,” in Proc. APCC, 2018.

  • Y. Niu, H. Shi, Y. Li, R. He, and Z. Zhong, “Coalition formation games based sub-channel allocation for device-to-device underlay mmWave small cells,” in Proc. URSI AT-RASC, 2018.

  • Q. Zheng, R. He, and C. Huang, “A tracking-based multipath components clustering algorithm,” in Proc. URSI AT-RASC, 2018.

  • M. Yang, B. Ai, R. He, C. Huang, J. Li, L. Chen, X. Li, “Influence of different antenna locations on channel characterization for V2V communications,” in Proc. IEEE APS, 2018.

  • C. Huang, R. He, Z. Zhong, and Z. Zhong, “Analysis of edge detection for the clusters in radio propagation channel,” in Proc. IEEE APS, 2018.

  • Q. Wang, B. Ai, R. He, J. Li, B. Zhang, M. Yang, and Z. Zhong, “Measurement-based massive MIMO channel characterization in subway station,” in Proc. EuCAP, 2018.

  • R. He, Q. Li, B. Ai, Y. Geng, A. F. Molisch, V. Kristem, Z. Zhong, and J. Yu, “An automatic clustering algorithm for multipath components based on Kernel-power-density,” in Proc. IEEE WCNC, 2017.

  • R. He, B. Ai, G. L. Stüber, G. Wang, and Z. Zhong, “A cluster based geometrical model for millimeter wave mobile-to-mobile channels,” in Proc. IEEE/CIC ICCC, 2017.

  • R. He, B. Ai, G. L. Stüber, and Z. Zhong, “Non-stationary mobile-to-mobile channel modeling using the Gauss-Markov mobility model,” in Proc. WCSP, 2017.

  • R. He, G. L. Stüber, B. Ai, and Z. Zhong, “A two-cylinder based polarized MIMO channel model,” in Proc. URSI GASS, Canada, 2017.

  • J. Li, B. Ai, R. He, Q. Wang, B. Zhang, M. Yang, K. Guan, and Z. Zhong, “Directional analysis of indoor massive MIMO channels at 6 GHz using SAGE,” in Proc. IEEE VTC-Spring, 2017.

  • B. Zhang, Z. Zhong, B. Ai, R. He, F. Tufvesson, J. Flordelis, Q. Wang, and J. Li, “Empirical evaluation of indoor multi-user MIMO channels with linear and planar large antenna arrays,” in Proc. IEEE PIMRC, 2017.

  • L. Wang, B. Ai, D. He, G. Li, K. Guan, R. He, Z. Zhong, “Channel characteristics analysis in smart warehouse scenario”, in Proc. IEEE APS, 2017.

  • X. Wang, G. Wang, R. He, and Y. Zou, “Uplink channel estimation with basis expansion model and expectation maximization for wireless communication systems on high speed railways,” in Proc. IEEE/CIC ICCC, 2017.

  • C. Huang, R. He, and Z. Zhong, “A novel power weighted multipath component tracking algorithm,” in Proc. URSI GASS, 2017.

  • J. Li, B. Ai, R. He, M. Yang, Y. Zhang, X. Liu, and Z. Zhong, “Characterization of indoor massive MIMO channel at 11 GHz,” in Proc. URSI GASS, 2017.

  • M. Yang, B. Ai, R. He, D. Yao, J. Li, B. Zhang, Q. Wang, D. Fei, and M. Ni, “Path loss characteristics for vehicle-to-infrastructure channel in urban and suburban scenarios at 5.9 GHz,” in Proc. URSI GASS, 2017.

  • Q. Wang, B. Ai, R. He, J. Li, Z. Zhong, N. Li, and H. Qin, “A research on SAGE algorithm based on massive MIMO channel measurements,” in Proc. URSI GASS, 2017.

  • D. He, K. Guan, B. Ai, A. Fricke, R. He, Z. Zhong, A. Kasamatsu, I. Hosako, and T. Kürner, “Channel modeling for kiosk downloading communication system at 300 GHz,” EuCAP, 2017, pp. 1331-1335.

  • K. Guan, G. Li, D. He, L. Wang, B. Ai, R. He, Z. Zhong, L. Tian, and J. Dou, “Spatial consistency of dominant components between ray-tracing and stochastic modeling in 3GPP high-speed train scenarios,” in Proc. EuCAP, 2017, pp. 3182-3186.

  • R. He, A. F. Molisch, F. Tufvesson, R. Wang, T. Zhang, Z. Li, Z. Zhong, and B. Ai, “Measurement-based analysis of relaying performance for vehicle-to-vehicle communications with large vehicle obstructions,” in Proc. IEEE VTC-Fall, Canada, 2016, pp. 1-6.

  • R. He, W. Chen, B. Ai, A. F. Molisch, W. Wang, Z. Zhong, J. Yu, and S. Sangodoyin, “A sparsity-based clustering framework for radio channel impulse responses,” in Proc. IEEE VTC-Spring, Nanjing, China, May 15-18, 2016, pp. 1-5.

  • R. He, M. Yang, L. Xiong, H. Dong, K. Guan, D. He, B. Zhang, D. Fei, B. Ai, Z. Zhong, Z. Zhao, D. Miao, and H. Guan, “Channel measurements and modeling for 5G communication systems at 3.5 GHz band,” in Proc. URSI Asia-Pacific Radio Science Conference, Korea, 2016, pp. 1855-1858.

  • Q. Wang, B. Ai, R. He, K. Guan, J. Li, and D. Fei, “Parameter estimation using SAGE algorithm based on Massive MIMO channel measurements,” in Proc. IEEE APS, Puerto Rico, 2016, pp. 1457-1458.

  • J. Yang, B. Ai, K. Guan, R. He, Q. Wang, D. He, Z. Zhao, D. Miao, H. Guan, “Quasi-stationarity regions analysis for channel in composite high-speed railway scenario,” in Proc. IEEE APS, Puerto Rico, 2016, pp. 1699-1700.

  • G. Li, B. Ai, K. Guan, R. He, Z. Zhong, B. Hui, and J. Kim, “Channel characterization for mobile hotspot network in subway tunnels at 30 GHz band,” in Proc. IEEE VTC-Spring, China, 2016, pp. 1-5.

  • T. Wang, B. Ai, R. He, and Z. Zhong, “Local mean power estimation for long term evolution in railways,” in Proc. IEEE VTC-Spring, Nanjing, China, May 15-18, 2016, pp. 1-5.

  • J. Yang, B. Ai, K. Guan, D. He, R. He, B. Zhang, Z. Zhong, Z. Zhao, D. Miao, and H. Guan, “Deterministic modeling and stochastic analysis for channel in composite high-speed railway scenario,” in Proc. IEEE VTC-Spring, Nanjing, China, May 15-18, 2016, pp. 1-5.

  • J. Li, B. Ai, R. He, Q. Wang, K. Guan, D. Fei, Z. Zhong, Z. Zhao, D. Miao, and H. Guan, “Measurement-based characterizations of indoor massive MIMO channels at 2 GHz, 4 GHz, and 6 GHz frequency bands,” in Proc. IEEE VTC-Spring, Nanjing, China, May 15-18, 2016, pp. 1-5.

  • K. Guan, B. Ai, R. He, Z. Zhong, T. Xu, C. Briso, and A. Hrovat, “Stochastic modeling for extra propagation loss of tunnel curve,” in Proc. IEEE VTC-Spring, Nanjing, China, May 15-18, 2016, pp. 1-5.

  • K. Guan, B. Ai, T. Kürner, R. He, A. Möller, and Z. Zhong, “Integrating composite urban furniture into ray-tracing simulator for 5G small cells and outdoor device-to-device communications,” in Proc. EuCAP, Davos, Switzerland, 10-15 April, 2016, pp. 1-5.

  • G. Li, B. Ai, K. Guan, R. He, Z. Zhong, L. Tian, and J. Dou, “Path loss modeling and fading analysis for channels with various antenna setups in tunnels at 30 GHz band,” in Proc. EuCAP, Davos, Switzerland, 10-15 April, 2016, pp. 1-5.

  • B. Zhang, Z. Zhong, X. Zhou, K. Guan, and R. He, “Path loss characteristics of indoor radio channels at 15 GHz,” in Proc. EuCAP, Davos, Switzerland, 10-15 April, 2016, pp. 1-5.

  • J. Yang, B. Ai, K. Guan, R. He, Z. Zhong, Z. Zhao, D. Miao, and H. Guan, “On the influence of mobility: Doppler spread and fading analysis in rapidly time-varying channels,” in Proc. EuCAP, Davos, Switzerland, 10-15 April, 2016, pp. 1-5.

  • X. Zhou, Z. Zhong, X. Bian, B. Ai, K. Liu, K. Guan, R. He, B. Zhang, and J. Wu, “On measurement uncertainty introduced by instruments in frequency domain channel measurement systems,” in Proc. EuCAP, Davos, Switzerland, 10-15 April, 2016, pp. 1-5.

  • R. He, J. Ding, Z. Zhong, B. Ai, and R. Chen, “Determination of percentage of linear coverage area in railways,” in Proc. URSI Atlantic Radio Science Conference, Gran Canaria, Spain, May 18-22, 2015, pp.1-1.

  • R. He, O. Renaudin, V.-M. Kolmonen, K. Haneda, Z. Zhong, B. Ai, and C. Oestges, “Statistical characterization of dynamic multi-path components for vehicle-to-vehicle radio channels,” in Proc. IEEE VTC-Spring, Glasgow, United Kingdom, May 11-14, 2015, pp. 1-6.

  • R. He, O. Renaudin, V.-M. Kolmonen, K. Haneda, Z. Zhong, S. Hubert, and C. Oestges, “Angular dispersion characterization of vehicle-to-vehicle channel in cross-road scenarios,” in Proc. EuCAP, Lisbon, Portugal, April 13-17, 2015, pp. 1-4.

  • S. Sangodoyin, R. He, A. F. Molisch, V. Kristem, and F. Tufvesson, “Ultrawideband MIMO channel measurements and modeling in a warehouse environment,” in Proceedings of IEEE ICC, London, UK, June 8-12, 2015, pp. 2277-2282.

• • B. Zhang, Z. Zhong, R. He, K. Guan, J. Ding, and C. Briso, “Empirical correlation property of multi-path for high-speed railways in composite propagation scenario,” in Proc. IEEE APS, Vancouver, Canada, July 19-24, 2015, pp. 91-92.

  • D. Fei, R. He, B. Ai, B. Zhang, L. Xiong, K. Guan, and Z. Zhong, “Massive MIMO channel measurements and analysis at 3.33GHz,” in Proc. Chinacom, Shanghai, China, August 15-17, 2015, pp. 194-198.

  • J. Ding, Z. Zhong, R. He, K. Guan, and C. Briso, “Wideband channel measurements and analysis in high-speed railway environments,” in Proc. URSI AT-RASC, Gran Canaria, Spain, May 18-22, 2015, pp.1-1.

  • R. He, A. F. Molisch, F. Tufvesson, Z. Zhong, B. Ai, and T. Zhang, “Vehicle-to-vehicle channel models with large vehicle obstructions,” in Proc. IEEE ICC, Australia, June 10-14, 2014, pp. 5647-5652.

  • R. He, Z. Zhong, B. Ai, J. Ding, W. Jiang, H. Zhang, and X. Li, “A standardized path loss model for the GSM-railway based high-speed railway communication systems,” in Proc. IEEE VTC-Spring, Seoul, South Korea, May 18-21, 2014, pp. 1-5.

  • R. He, Z. Zhong, B. Ai, and B. Zhang, “Measurement-based auto-correlation model of shadow fading for the high-speed railways in urban, suburban, and rural environments,” in Proc. IEEE APS, 2014, pp. 949-950.

  • R. He, Z. Zhong, B. Ai, and C. Oestges, “A heuristic cross-correlation model of shadow fading in high-speed railway environments,” in Proc. IEEE URSI GASS, 2014, pp. 1-4.

  • B. Zhang, Z. Zhong, B. Ai, D. Yao, and R. He, “Measurements and modeling of cross-correlation property of shadow fading in high-speed railway”, in Proc. IEEE VTC, Vancouver, Canada, Sept. 14-17, 2014, pp. 1-5.

  • B. Zhang, Z. Zhong, K. Guan, R. He, and C. Briso-Rodriguez, “Shadow fading cross-correlation of multi-frequencies in curved subway tunnels”, in Proc. IEEE ITSC, 2014, pp. 1111-1116.

  • R. He, A. F. Molisch, Z. Zhong, B. Ai, J. Ding, R. Chen, and Z. Li, “Measurement based channel modeling with directional antennas for high-speed railways,” in Proc. IEEE WCNC, China, 2013, pp. 2932-2936.

  • R. He, Z. Zhong, B. Ai, J. Ding, and Y. Yang, “Propagation measurements and analysis of fading behavior for high speed rail cutting scenarios,” in Proc. IEEE Globecom, USA, 2012, pp. 5237-5242.

  • R. He, Z. Zhong, B. Ai, and J. Ding, “Measurements and analysis of short-term fading behavior for high-speed rail viaduct scenario,” in Proc. IEEE ICC, Canada, 2012, pp. 4563-4567.

  • R. He, Z. Zhong, B. Ai, and J. Ding, “Distance-dependent model of Ricean K-factors in high-speed rail viaduct channel,” in Proc. IEEE VTC, Canada, 2012, pp. 1-5.

  • R. He, Z. Zhong, B. Ai, and J. Ding, “Measurements and analysis of the directional antenna bottom area in high speed rail,” in Proc. IEEE APS, USA, 2012, pp. 1-2.

  • R. He, Z. Zhong, and C. Briso, “Broadband channel long delay cluster measurements and analysis at 2.4 GHz in subway tunnels,” in Proc. IEEE VTC, Hungary, 2011, pp. 1-5.

  • C. Cortes, S. Lin, R. He, and C. Briso, “Design and test of a high QoS radio network for CBTC systems in subway tunnels,” in Proc. IEEE VTC, Hungary, 2011, pp. 1-5.

  • H. Wei, Z. Zhong, L. Xiong, B. Ai, and R. He, “Study on the shadow fading characteristic in viaduct scenario of the high-speed railway,” in Proc. ChinaCOM, 2011, pp. 1-5.

  • R. He, Z. Zhong, and B. Ai, “Path loss measurements and analysis for high-speed railway viaduct scene,” in Proc. IWCMC, France, 2010, pp. 266-270.