教授、硕士生导师、博士生导师

招生专业：信息与通信工程+电子信息（通信工程、人工智能）

办公室：信息科学与工程学院，N5楼，245-6

地址：山东省青岛市即墨区滨海路72号，邮编：266237

邮箱：chaozhai@sdu.edu.cn

个人简历:

   翟超分别于2007年和2010年在山东大学通信工程专业和通信与信息系统专业获得学士和硕士学位，2013年11月在澳大利亚新南威尔士大学获得电气工程学博士学位。2011年7月至2012年1月作为访问博士研究生在香港中文大学交流，2013年1月至2013年6月作为访问博士研究生在香港科技大学交流。2014年4月获得“中国博士后国际交流计划引进项目”资助，在山东大学信息与通信工程流动站做博士后研究。2016年9月入职山东大学信息科学与工程学院。

   主要研究方向：无线通信、数据智能。现为IEEE会员、中国电子学会会员、中国通信学会高级会员，担任4本英文学术期刊的编辑、《无线电通信技术》青年编委。主持了国家重点研发计划课题、国家自然科学基金面上项目、山东省自然科学基金青年项目、移动通信国家重点实验室开放课题、中国博士后科学基金等多个科研项目。2020年获评“山东大学青年学者未来计划”称号。2020年获得山东省自然科学奖二等奖（排序第2）。共发表学术论文90余篇，其中SCI期刊论文70余篇，授权发明专利11项，软件著作权10项，主编学术专著1部，参编本科教材2部。

期刊论文: 

[76] P. Liu, C. Zhai, and L. Zheng, "IRS-assisted cooperative power transfer and spectrum sharing for cognitive radio networks," ETRI Journal, accepted to appear, Aug. 2026.

[75] X. Zhang, C. Zhai, K. Zhang, J. Yu, Y. Xu, and Y. Li, "Adaptive cooperative uplink NOMA with opportunistic Alamouti coding in cellular networks," Computer Networks, vol. 288, Article 112614, Oct. 2026.

[74] X. Wang, C. Zhai, and Z. Dong, "Dynamic wireless control networks based on cell-free massive MIMO," IEEE Transactions on Green Communications and Networking, vol. 10, pp. 2551-2561, Mar. 2026.

[73] J. Gao, C. Zhai, X. Zhang, and L. Zheng, "Probabilistic and partial edge caching based cooperative spectrum sharing in large-scale cognitive radio networks," Journal on Wireless Communications and Networking, vol. 2026, Article 36, Feb. 2026.

[72] J. Yan, C. Zhai, L. Zheng, A. Mahanti, H. Liu, and Y. Zhang, "A local differential privacy method with layer-wise importance based on Fisher information in federated recommendation systems," Concurrency and Computation: Practice and Experience, vol. 37, Article e70334, Nov. 2025.

[71] H. Liu, L. Zheng, C. Zhai, W. Ji, J. Yan, and Y. Zhang, "DRL-based joint beamforming and reflection design for secure RIS-aided ISAC systems," Telecommunication Systems, vol. 88, Article 133, Oct. 2025.

[70] H. Dai, C. Zhai, J. Yu, J. Gao, and J. Tian, "Edge-caching assisted underlay spectrum sharing in large-scale cognitive radio networks," Computer Networks, vol. 263, Article 111238, May 2025.

[69] W. Si, L. Zhang, C. Zhai, L. Zheng, J. Yan, H. Liu, and Z. Xu, "Nonlinear energy harvesting based cognitive relaying with best relay selection," Physical Communication, vol. 69, Article 102603, Apr. 2025.

[68] Q. Chen, M. Zhang, Z. Quan, Y. Zhang, M. G. Mozerov, C. Zhai, H. Li, and Y. Li, "MSSA: Multispectral semantic alignment for cross-modality infrared-RGB person reidentification," IEEE Transactions on Computational Social Systems, vol. 11, no. 6, pp. 7568-7583, Dec. 2024.

[67] J. Yu, C. Zhai, H. Dai, L. Zheng, and Y. Li, "Cooperative edge-caching based transmission with minimum effective delay in heterogeneous cellular networks," Computer Communications, vol. 228, Article 107928, Dec. 2024. 

[66] H. Dai, C. Zhai, J. Tian, J. Yu, Y. Yang, and Y. Li, "Adaptive single-hop and relay-selection-based double-hop D2D transmissions underlaying large-scale cellular networks," IEEE Transactions on Vehicular Technology, vol. 73, no. 10, pp. 14936-14948, Oct. 2024.

[65] Z. Ni, C. Zhai, Z. Miao, and Y. Li, "A high-quality trajectory generation method for the multi-person tracking," Computers and Electrical Engineering, vol. 118, Article 109392, Sep. 2024.

[64] Z. Ni, C. Zhai, Y. Li, and Y. Yang, "A multi-object tracking method with adaptive dual decoder and better motion affinity," IEEE Access, vol. 12, pp. 20221-20231, Feb. 2024.

[63] J. Yu, C. Zhai, Z. Yu, Y. Yang, and L. Zheng, "Nonlinear wireless energy harvesting based uplink transmission in K-tier heterogeneous networks over Nakagami-m fading channels," Alexandria Engineering Journal, vol. 88, pp. 276-286, Feb. 2024.

[62] C. Zhai, Y. Li, X. Wang, L. Zheng, and C. Li, "Wireless powered cooperative NOMA with Alamouti coding and selection relaying," IEEE Transactions on Mobile Computing, vol. 23, no. 2, pp. 1366-1381, Feb. 2024.

[61] L. Zhang, C. Zhai, L. Zheng, and W. Si, "Dual intelligent reflecting surfaces aided decode-and-forward relaying with wireless power transfer," Transactions on Emerging Telecommunications Technologies, vol. 35, no. 1, ID: e4901, Jan 2024.

[60] C. Zhai, J. Yu, K. Du, H. Dai, X. Wang, and Y. Li, "Nonlinear energy harvesting based alternate cooperative nonorthogonal multiple access with adaptive interference cancellation," Computer Networks, vol. 240, Article 110169, Jan. 2024.

[59] Q. Chen, Z. Quan, Y. Li, C. Zhai, and M. G. Mozerov, "An unsupervised domain adaption approach for cross-modality RGB-infrared person re-identification," IEEE Sensors Journal, vol. 23, no. 24, pp. 31399-31413, Dec. 2023.

[58] S. Liu, J. Tian, C. Zhai, and T. Li, "Joint computation offloading and resource allocation in vehicular edge computing networks," Digital Communications and Networks, vol. 9, no. 6, pp. 1399-1410, Dec. 2023.

[57] X. Wang, Z. Dong, R. Q. Hu, C. Zhai, and Z. Dong, "Cell-free IoT with non-orthogonal random pilots: Key research and future directions," IEEE Network, vol. 37, no. 6, pp. 272-279, Nov. 2023.

[56] J. Yu, C. Zhai, Y. Li, and L. Zheng, "Cooperative non-orthogonal multiple access with D2D communication and opportunistic relaying in large-scale cellular networks," Computer Networks, vol. 224, Article 109631, Apr. 2023.

[55] H. Deng, C. Zhai, and L. Zheng, "Neural collaborative filtering for Chinese movies based on aspect-aware implicit interactions," IEEE Access, vol. 10, pp. 114540-114551, Oct. 2022.

[54] Z. Yu, J. Wu, X. Song, W. Fu, and C. Zhai, "The quantitative research on behavioural intention towards 5G rich communication services among university students," Systems, vol. 10, no. 5, article no. 136, Sep. 2022.

[53] R. Guo, C. Zhai, L. Zheng, and L. Zhang, "Sleep behavior detection based on pseudo-3D convolutional neural network and attention mechanism," IEEE Access, vol. 10, pp. 90101-90110, Aug. 2022.

[52] X. Wang, J. Cheng, C. Zhai, and A. Ashikhmin, "Partial cooperative zero-forcing decoding for uplink cell-free massive MIMO," IEEE Internet of Things Journal, vol. 9, no. 12, pp. 10327-10339, Jun. 2022.

[51] X. Wang and C. Zhai, "Dynamic power control for cell-free industrial Internet of things with random data arrivals," IEEE Transactions on Industrial Informatics, vol. 18, no. 6, pp. 4138-4147, Jun. 2022.

[50] S. Yu, C. Zhai, X. Zhang, and J. Liu, "NOMA-enabled D2D adaptive relaying and transmission in cellular networks," Transactions on Emerging Telecommunications Technologies, vol. 33, no. 5,  ID: e4437, May 2022.

[49] X. Wang, A. Ashikhmin, Z. Dong, and C. Zhai, "Two-stage channel estimation approach for cell-free IoT with massive random access," IEEE Journal on Selected Areas in Communications, vol. 40, no. 5, pp. 1428-1440, May 2022.

[48] C. Zhai, Y. Li, X. Wang, and Z. Yu, "Nonorthogonal multiple access with energy harvesting-based alternate relaying," IEEE Systems Journal, vol. 16, no. 1, pp. 327-338, Mar. 2022.

[47] L. Zheng and C. Zhai, "Two-hop cognitive DF relaying with wireless power transfer in time and power domains," EURASIP Journal on Wireless Communications and Networking, vol. 2021, ID: 182, pp. 1-22, Oct. 2021.

[46] C. Zhai, Y. Li, X. Wang, L. Zheng, and C. Li, "Heterogeneous non-orthogonal multiple access with distributed Alamouti space-time coding," IEEE Transactions on Vehicular Technology, vol. 70, no. 5, pp. 4796-4808, May 2021.

[45] Z. Yu, D. Jin, C. Zhai, W. Ni, and D. Wang, "Internet of vehicles empowered mobile media: Research on mobile-generated content (MoGC) for intelligent connected vehicles," Sustainability, vol. 13, no. 6, article no. 3538, Mar. 2021. 

[44] C. Zhai, Y. Li, C. Li, and J. Liu, "Cognitive relaying with wireless energy harvesting and accumulation,'' IEEE Systems Journal, vol. 15, no. 1, pp. 629-640, Mar. 2021.

[43] C. Zhai, Y. Li, and L. Qiao, "Wireless power transfer based adaptive relaying with energy accumulation," IEEE Transactions on Vehicular Technology, vol. 69, no. 10, pp. 11014-11027, Oct. 2020.

[42] Z. Yu, D. Jin, X. Song, C. Zhai, and D. Wang, "Internet of vehicle empowered mobile media scenarios: In-vehicle infotainment solutions for the mobility as a service (MaaS)," Sustainability, vol. 12, no. 18, article no. 7448, Sep. 2020.

[41] C. Zhai and J. Tian, "Underlay spectrum sharing with adaptive interference cancellation at primary and secondary receivers," Telecommunication Systems, vol. 73, no. 4, pp. 595-605, Apr. 2020.

[40] Y. Gu, H. Chen, C. Zhai, Y. Li, and B. Vucetic, "Minimizing age of information in cognitive radio-based IoT systems: underlay or overlay?" IEEE Internet of Things Journal, vol. 6, no. 6, pp. 10273-10288, Dec. 2019.

[39] C. Zhai, L. Zheng, and Z. Yu, "Cognitive spectrum access with energy harvesting primary user and best secondary user selection," Transactions on Emerging Telecommunications Technologies, vol. 30, no. 12, pp. 1-11, ID: e3737, Dec. 2019.

[38] L. Zheng and C. Zhai, "Amplify-and-forward relaying based spectrum sharing in both time and spectrum domains with wireless powered primary user,'' IEEE Access, vol. 7, no. 1, pp. 108232-108247, Dec. 2019.

[37] Z. Yu, C. Zhai, W. Ni, and D. Wang, "Non-orthogonal multiple access with cooperative truncated ARQ and relay selection," IEEE Access, vol. 7, pp. 56228-56243, Apr. 2019.

[36] C. Zhai, Z. Yu, and X. Wang, "High-efficient cooperative relaying with wireless powered source and relay," Computer Networks, vol. 152, pp. 199-209, Apr. 2019.

[35] C. Zhai, H. Chen, Z. Yu, and J. Liu, "Cognitive relaying with wireless powered primary user," IEEE Transactions on Communications, vol. 67, no. 3, pp. 1872-1884, Mar. 2019.

[34] Z. Yu, C. Zhai, J. Liu, and H. Xu, "Cooperative relaying based non-orthogonal multiple access (NOMA) with relay selection," IEEE Transactions on Vehicular Technology, vol. 67, no. 12, pp. 11606-11618, Dec. 2018.

[33] C. Zhai, L. Zheng, and W. Guo, "Cognitive decode-and-forward relaying with successive interference cancellation," EURASIP Journal on Wireless Communications and Networking, vol. 2018, ID: 234, pp. 1-17, Dec. 2018.

[32] H. Chen, C. Zhai, Y. Li, and B. Vucetic, "Cooperative strategies for wireless-powered communications: An overview," IEEE Wireless Communications, vol. 25, no. 4, pp. 112-119, Aug. 2018.

[31] L. Zheng, C. Zhai, and J. Liu, "Alternate energy harvesting and information relaying in cooperative AF networks," Telecommunication Systems, vol. 68, no. 3, pp. 523-533, Jul. 2018.

[30] C. Zhai, L. Zheng, P. Lan, and H. Chen, "Wireless powered cooperative communication using two relays: Protocol design and performance analysis," IEEE Transactions on Vehicular Technology, vol. 67, no. 4, pp. 3598-3611, Apr. 2018.

[29] C. Zhai, H. Chen, X. Wang, and J. Liu, "Opportunistic spectrum sharing with wireless energy transfer in stochastic networks,'' IEEE Transactions on Communications, vol. 66, no. 3, pp. 1296-1308, Mar. 2018.

[28] P. Lan, C. Zhai, L. Chen, B. Gao, and F. Sun, "Optimal power allocation for bi-directional full duplex underlay cognitive radio networks,'' IET Communications, vol. 12, no. 2, pp. 220-227, Jan. 2018.

[27] X. Wang, J. Liu, and C. Zhai, "Wireless power transfer based multi-pair two-way relaying with massive antennas," IEEE Transactions on Wireless Communications, vol. 16, no. 11, pp. 7672-7684, Nov. 2017.

[26] P. Xing, J. Liu, C. Zhai, X. Wang, and X. Zhang, "Multipair two-way full-duplex relaying with massive array and power allocation," IEEE Transactions on Vehicular Technology, vol. 65, no. 10, pp. 8926-8939, Oct. 2017.

[25] X. Wang and C. Zhai, "Simultaneous wireless information and power transfer for multi-user massive antenna-array systems," IEEE Transactions on Communications, vol. 65, no. 9, pp. 4039-4048, Sep. 2017.

[24] Z. Yu, C. Zhai, and J. Liu, "Non-orthogonal multiple access relaying with truncated ARQ," IET Communications, vol. 11, no. 4, pp. 514-521, Mar. 2017.

[23] C. Zhai, J. Liu, L. Zheng, and X. Wang, "Wireless energy harvesting-based spectrum leasing with secondary user selection," IET Communications, vol. 11, no. 4, pp. 499-506, Mar. 2017.

[22] P. Xing, J. Liu, C. Zhai, X. Wang, and L. Zheng, "Spectral efficiency of the in-band full-duplex massive multi-user multiple-input multiple-output system," IET Communications, vol. 11, no. 4, pp. 490-498, Mar. 2017.

[21] C. Zhai, J. Liu, P. Lan, and F. Sun, "Strive for the spectrum sharing by transferring energy and relaying data for the primary user," Transactions on Emerging Telecommunications Technologies, vol. 28, no. 3, pp. 1-18, DOI: 10.1002/ett.2966, Mar. 2017.

[20] P. Xing, J. Liu, C. Zhai, and Z. Yu, "Self-interference suppression with imperfect channel estimation in a shared-antenna full-duplex massive MU-MIMO system," EURASIP Journal on Wireless Communications and Networking, vol. 2017, no. 18, pp. 1-13, Jan. 2017.

[19] Z. Yu, C. Zhai, and J. Liu, "Simultaneous wireless energy transfer and spectrum sharing with primary data relaying in cognitive radio networks," EURASIP Journal on Wireless Communications and Networking, vol. 2017, no. 9, pp. 1-13, Jan. 2017.

[18] C. Zhai, J. Liu, and L. Zheng, "Cooperative spectrum sharing with wireless energy harvesting in cognitive radio networks," IEEE Transactions on Vehicular Technology, vol. 65, no. 7, pp. 5303-5316, Jul. 2016.

[17] P. Xing, J. Liu, C. Zhai, X. Wang, and L. Zheng, "Self-interference suppression for the full-duplex wireless communication with large-scale antenna,"  Transactions on Emerging Telecommunications Technologies, vol. 27, no. 6, pp. 764-774, Jun. 2016.

[16] C. Zhai, J. Liu, and L. Zheng, "Relay based spectrum sharing with secondary users powered by wireless energy harvesting," IEEE Transactions on Communications, vol. 64, no. 5, pp. 1875-1887, May 2016.

[15] X. Wang, J. Liu, C. Zhai, P. Xing, and L. Zheng, "Optimization of energy efficiency for the full-duplex massive MIMO systems," Journal of Systems Engineering and Electronics, vol. 27, no. 2, pp. 326-332, Apr. 2016.

[14] X. Wang, J. Liu, C. Zhai, S. Ma, and Q. Wang, "Energy efficient relay networks with wireless power transfer from a multi-antenna base station," Transactions on Emerging Telecommunications Technologies, vol. 27, no. 4, pp. 533-543, Apr. 2016.

[13] Q. Wang, J. Liu, C. Zhai, Y. Liu, X. Wang, and S. Ma, "Precise error-rate performance with distributed antenna selection transmission over Nakagami-m fading channels,"  IET Communications, vol. 10, no. 5, pp. 548-557, Apr. 2016.

[12] C. Zhai and J. Liu, "Cooperative wireless energy harvesting and information transfer in stochastic networks," EURASIP Journal on Wireless Communications and Networking, vol. 2015, no. 1, article 44, pp. 1-22, Mar. 2015.

[11] C. Zhai, W. Zhang, and G. Mao, "Cooperative spectrum sharing between cellular and ad-hoc networks," IEEE Transactions on Wireless Communications, vol. 13, no. 7, pp. 4025-4037, Jul. 2014.

[10] C. Zhai and W. Zhang, "Adaptive spectrum leasing with secondary user scheduling in cognitive radio networks," IEEE Transactions on Wireless Communications, vol. 12, no. 7, pp. 3388-3398, Jul. 2013.

[9] C. Zhai, W. Zhang, and P. C. Ching, "Cooperative spectrum sharing based on two-path successive relaying," IEEE Transactions on Communications, vol. 61, no. 6, pp. 2260-2270, Jun. 2013.

[8] C. Zhai, W. Zhang, and G. Mao, "Uncoordinated cooperative communications with spatially random relays," IEEE Transactions on Wireless Communications, vol. 11, no. 9, pp. 3126-3135, Sep. 2012.

[7] C. Zhai, J. Liu, L. Zheng, H. Xu, and H. Chen, "Maximize lifetime of wireless sensor networks via a distributed cooperative routing algorithm," Transactions on Emerging Telecommunications Technologies, vol. 23, no. 5, pp. 414-428, Aug. 2012.

[6] C. Zhai, H. Xu, J. Liu, L. Zheng, and Y. Zhou, "Performance of opportunistic relaying with truncated ARQ over Nakagami-m fading channels," Transactions on Emerging Telecommunications Technologies, vol. 23, no. 1, pp. 50-66, Jan. 2012.

[5] L. Zheng, J. Liu, C. Zhai, H. Chen, and Y. Zhou, "Energy efficient cooperative routing algorithm with truncated ARQ over Nakagami-m fading channels," IET Communications, vol. 5, no. 8, pp. 1073-1082, May 2011.

[4] Y. Zhou, J. Liu, L. Zheng, C. Zhai, and H. Chen, "Link-utility-based cooperative MAC protocol for wireless multi-hop networks," IEEE Transactions on Wireless Communications, vol. 10, no. 3, pp. 995-1005, Mar. 2011.

[3] H. Chen, J. Liu, L. Zheng, C. Zhai, Y. Zhou, "An improved selection cooperation scheme for decode-and-forward relaying," IEEE Communications Letters, vol. 14, no. 12, pp. 1143-1145, Dec. 2010.

[2] Y. Zhou, J. Liu, C. Zhai, and L. Zheng, "Two-transmitter two-receiver cooperative MAC protocol: Cross-layer design and performance analysis," IEEE Transactions on Vehicular Technology, vol. 59, no. 8, pp. 4116-4127, Oct. 2010.

[1] H. Chen, J. Liu, L. Zheng, C. Zhai, and Y. Zhou, "Approximate SEP analysis of DF cooperative diversity networks with opportunistic relaying," IEEE Signal Processing Letters, vol. 17, no. 9, pp. 779-782, Sep. 2010.

发明专利:

[11] 一种基于无线能量传输的双智能反射面辅助中继协作通信系统及工作方法

[10] 一种基于可变形深度卷积与注意力机制的特征融合行为识别方法及系统

[9] 一种边缘缓存辅助大规模认知无线电网络频谱共享方法

[8] 一种高质量轨迹生成的多行人跟踪方法及系统

[7] 一种大规模异构网络中基于协作边缘缓存的最短时延传输方法

[6] 一种基于自适应双解码器的多目标跟踪方法及系统

[5] 一种基于定位和视频监控数据的脱管检测方法及系统

[4] 一种基于多维传感数据与监控视频多模异构融合的行为识别方法及系统

[3] 一种基于可穿戴式传感器及视频监控的跌倒检测方法及系统

[2] 一种大规模多层异构网络中基于非线性能量收集的上行传输方法

[1] 基于能量收集的交替协作非正交多址接入方法及装置