研究方向主要包括：异构网络、资源分配、反向散射通信、智能反射面、移动边缘计算等。

SCI期刊

[1]    Yongjun Xu, X. Zhao and Y. Liang, "Robust Power Control and Beamforming in Cognitive Radio Networks: A Survey," IEEE Communications Surveys & Tutorials, vol. 17, no. 4, pp. 1834-1857, Fourthquarter 2015.(中科院1区top SCI, 影响因子23.7, 他引100次)

[2]    Yongjun Xu, G. Gui, H. Gacanin and F. Adachi, "A Survey on Resource Allocation for 5G Heterogeneous Networks: Current Research, Future Trends and Challenges," IEEE Communications Surveys & Tutorials, doi: 10.1109/COMST.2021.3059896, 2021. (中科院1区top SCI, 影响因子23.7)

[3]    Yongjun Xu, H. Sun and Y. Ye, "Distributed Resource Allocation for SWIPT-based Cognitive Ad-Hoc Networks," IEEE Transactions on Cognitive Communications and Networking, doi: 10.1109/TCCN.2021.3068396, 2021. (中科院2区SCI, 影响因子4.574)

[4]    Yongjun Xu, R. Q. Hu and G. Li, "Robust Energy-efficient Maximization for Cognitive NOMA Networks under Channel Uncertainties," IEEE Internet of Things Journal, vol. 7, no. 9, pp. 8318-8330, Sept. 2020. (中科院1区top SCI, 影响因子9.936)

[5]    Yongjun Xu, G. Li, Y. Yang, M. Liu and G. Gui, "Robust Resource Allocation and Power Splitting in SWIPT Enabled Heterogeneous Networks: A Robust Minimax Approach," IEEE Internet of Things Journal, vol. 6, no. 6, pp. 10799-10811, Dec. 2019. (中科院1区top SCI, 影响因子9.936)

[6]    Yongjun Xu, H. Xie, C. Liang, F. Richard Yu, "Robust Secure Energy Efficiency Optimization in SWIPT-aided Heterogeneous Networks with A Non-linear Energy Harvesting Model," IEEE Internet of Things Journal, early access, 2021. (中科院1区top SCI, 影响因子9.936)

[7]    H. Xie, Yongjun Xu*, "Robust Resource Allocation for NOMA-assisted Heterogeneous Networks," Digital Communications and Networks, early access, 2021. (中科院1区SCI, 影响因子6.14)

[8]    Yongjun Xu, H. Xie and R. Q. Hu, "Max-Min Beamforming Design for Heterogeneous Networks With Hardware Impairments," IEEE Communications Letters, vol. 25, no. 4, pp. 1328-1332, April 2021. (中科院2区SCI, 影响因子3.419)

[9]    Yongjun Xu and G. Gui, "Optimal Resource Allocation for Wireless Powered Multi-Carrier Backscatter Communication Networks," IEEE Wireless Communications Letters, vol. 9, no. 8, pp. 1191-1195, Aug. 2020. (中科院2区SCI, 影响因子4.66)

[10]  Yongjun Xu, Z. Qin, G. Gui, H. Gacanin, H. Sari and F. Adachi, "Energy Efficiency Maximization in NOMA Enabled Backscatter Communications With QoS Guarantee," IEEE Wireless Communications Letters, vol. 10, no. 2, pp. 353-357, Feb. 2021. (中科院2区SCI, 影响因子4.66)

[11]  Yongjun Xu, Y. Yang, Q. Liu, Z. Li, "Joint Energy-Efficient Resource Allocation and Transmission Duration for Cognitive HetNets under Imperfect CSI," Signal Processing,vol.167, pp. 1-12, 2019. (中科院2区SCI, 影响因子4.065)

[12]  Yongjun Xu and G. Li, "Optimal and Robust Interference Efficiency Maximization for Multicell Heterogeneous Networks," IEEE Access, vol. 7, pp. 102406-102416, 2019. (中科院2区SCI, 影响因子4.098)

[13]  X. Wang, Yongjun Xu*, J. Wang and S. Fu, "Joint User Association and Power Allocation in Heterogeneous NOMA Networks With Imperfect CSI," IEEE Access, vol. 8, pp. 47607-47618, 2020. (中科院2区SCI, 影响因子4.098)

[14]  Yongjun Xu, Y. Hu, Q. Chen and S. Zhang, "Optimal Power Allocation for Multiuser OFDM-Based Cognitive Heterogeneous Networks," China Communications, vol. 14, no. 9, pp. 52-61, Sept. 2017. (中科院3区SCI, 影响因子2.024)

[15]  Yongjun Xu, X. Zhao, "Optimal Power Allocation for Multiuser Underlay Cognitive Radio Networks Under QoS and Interference Temperature Constraints," China Communications, vol. 10, no. 10, pp. 91-100, Oct. 2013. (中科院3区SCI, 影响因子2.024)

[16]  Yongjun Xu, X. Yu, Y. Liu and G. Li, "Robust Power Allocation for Two-Tier Heterogeneous Networks under Channel Uncertainties," EURASIP Journal on Wireless Communications and Networking, vol. 224, pp. 1-16, 2018. (中科院3区SCI, 影响因子1.592)

[17]  Yongjun Xu and X. Zhao, "Robust Adaptive Power Control for Cognitive Radio Networks," IET Signal Processing, vol. 10, no. 1, pp. 19-27, 2016. (中科院3区SCI, 影响因子1.754)

[18]  Yongjun Xu, Y. Hu, G. Li, “Robust Rate Maximization for Heterogeneous Wireless Networks Under Channel Uncertainties,” Sensors, vol. 18, no. 2, 2018. (中科院3区SCI, 影响因子3.031)

[19]  Yongjun Xu, Y. Hu, G. Li and H. Zhang, "Robust Resource Allocation for Heterogeneous Wireless Network: A Worst-Case Optimisation," IET Communications, vol. 12, no. 9, pp. 1064-1071, 2018. (中科院3区SCI, 影响因子1.779)

[20]  Yongjun Xu, X. Zhao, "Robust Power Control for Underlay Cognitive Radio Networks Under Probabilistic Quality of Service and Interference Constraints," IET Communications, vol. 8, no. 18, pp. 3333-3340, Dec. 2014. (中科院3区SCI, 影响因子1.779)

[21]  Yongjun Xu, Y. Hu, "Robust Energy-Efficient Downlink Resource Allocation in Heterogeneous Networks With Outage Probability Constraint," Wireless Personal Communications, vol.104, no.1, pp.441-458, 2019. (中科院4区SCI, 影响因子0.969)

[22]  Yongjun Xu, Q. Chen and X. Huang, "Robust Power Control for OFDM-Based Cognitive Radio Networks with Qos Guarantee," Wireless Personal Communications, vol. 96, no. 2, pp. 2125-2140, Sept. 2017. (中科院4区SCI, 影响因子0.969)

[23]  Yongjun Xu, X. Zhao, "Robust Power Control for Multiuser Underlay Cognitive Radio Networks Under Qos Constraints and Interference Temperature Constraints," Wireless Personal Communications, vol. 75, no. 4, pp. 2383-2397, Apr. 2014. (中科院4区SCI, 影响因子0.969)

[24]  Yongjun Xu, X. Zhao, "Robust Probabilistic Distributed Power Control Algorithm for Underlay Cognitive Radio Networks Under Channel Uncertainties," Wireless Personal Communications, vol. 78, no. 4, pp. 1297-1312, Sept. 2014. (中科院4区SCI, 影响因子0.969)

[25]  Yongjun Xu, X. Zhao, "Distributed Power Control for Multiuser Cognitive Radio Networks With Quality of Service and Interference Temperature Constraints," Wireless Communications and Mobile Computing, vol. 15, no. 14, pp. 1773-1783, Oct. 2015. (中科院4区SCI, 影响因子1.396)

[26]  Yongjun Xu, X. Zhao, "Mixed Power Control Strategies for Cognitive Radio Networks Under SINR and Interference Temperature Constraints," Radioengineering, vol. 23, no. 2, pp. 586-593, Jun. 2014. (中科院4区SCI, 影响因子0.967)

EI期刊

[1]      徐勇军，杨蒙, 陈前斌, 周继华. 基于数能同传的D2D网络鲁棒资源分配算法[J]. 中国科学. 信息科学, 大修, 2021. (A类权威期刊)

[2]      徐勇军，李国权，陈前斌，林金朝. 异构无线网络干扰效率最大顽健资源分配算法[J]. 电子学报, 2020, 48 (3): 545-553. (A类权威期刊)

[3]      徐勇军, 谷博文, 陈前斌, 林金朝. 基于能效最大的无线供电反向散射网络资源分配算法[J]. 通信学报, 2020, 41(10): 202-210. (A类权威期刊)

[4]      徐勇军, 刘子腱, 李国权, 陈前斌, 林金朝. 基于NOMA的无线携能D2D通信鲁棒能效优化算法[J].电子与信息学报:1-9, 2021. (A类权威期刊)

[5]      徐勇军, 谷博文, 杨洋, 吴翠先, 陈前斌, 卢光跃. 基于不完美CSI的D2D通信网络鲁棒能效资源分配算法[J]. 电子与信息学报, 录用, 2021. (A类权威期刊)

[6]      徐勇军, 谢豪, 陈前斌, 刘期烈. 基于硬件损伤的MIMO异构网络波束成形算法[J]. 电子与信息学报, 录用, 2021. (A类权威期刊)

[7]      徐勇军, 谷博文, 谢豪, 陈前斌. 全双工中继协作下的移动边缘计算系统能耗优化算法[J]. 电子与信息学报, 录用, 2021. (A类权威期刊)

[8]    徐勇军, 谢豪, 陈前斌. 基于不完美CSI 的异构NOMA网络能效优化算法[J]. 通信学报, 2020, 41(07):131-140. (A类权威期刊)

[9]      徐勇军, 胡圆, 李国权, 林金朝, 陈前斌.异构携能通信网络顽健资源分配算法[J]. 通信学报, 2019, 40(07):186-196.  (A类权威期刊)

[10]  徐勇军, 李国权, 陈前斌, 林金朝. 基于非正交多址接入异构携能网络稳健能效资源分配算法[J]. 通信学报, 2020, 41(02):84-96. (A类权威期刊)

[11]  徐勇军, 杨洋, 刘期烈, 陈前斌, 林金朝. 认知网络干扰效率最大稳健功率与子载波分配算法[J]. 通信学报, 2020, 41(01):84-93. (A类权威期刊)

[12]  李国权, 徐勇军*, 陈前斌, 林金朝. 基于干扰效率多蜂窝异构无线网络最优基站选择及功率分配算法[J]. 电子与信息学报, 2020, 42(04): 957-964. (A类权威期刊)

[13]  徐勇军, 赵晓晖. 认知无线电系统的顽健资源分配算法[J].通信学报, 2014, 35(4): 124-129. (A类权威期刊)

[14]  徐勇军, 李元春, 赵晓晖. 基于期望关节角补偿的车载液压刚柔机械臂建模及轨迹跟踪控制[J]. 吉林大学学报(工学版), 2013, 43(5): 1367-1374. EI

[15]  徐勇军,彭瑶,余晓磊,陈前斌.面向5G协作通信系统的资源分配技术综述[J]. 重庆邮电大学学报(自然科学版), 2019, 31(02):143-157. 北大核心

[16]  徐勇军, 李国权, 徐鹏,陈前斌. 异构无线网络资源分配算法研究综述[J]. 重庆邮电大学学报(自然科学版), 2018, 30(3): 289-299. 北大核心

[17]  刘期烈,杨建红,徐勇军*,卢光跃.面向安全通信的智能反射面网络能效优化算法[J].电讯技术, 2020, 60(12): 1391-1397. 北大核心

[18]  张功国,吴翠先,徐勇军*.基于干扰效率的认知OFDMA网络功率分配算法[J].重庆邮电大学学报(自然科学版), 2020, 32(03): 394-399. 北大核心

2021年

[1]    Yongjun Xu, Zijian Liu, Zhaohui Yang, and Chognwen Huang, Energy-Efficient Resource Allocation with Imperfect CSI in NOMA-based D2D Networks with SWIPT, 2021 IEEE Wireless Communications & Networking Conference (WCNC 2021), accepted.

[2]    Bowen Gu(学), Yongjun Xu*, Chognwen Huang, Rose Qingyang Hu, Energy-Efficient Resource Allocation for OFDMA-based Wireless-Powered Backscatter Communications, IEEE International Conference on Communications (ICC 2021), accepted.

[3]    Qianzhu Wang, Zhengnian Gao, Yongjun Xu*, Hao Xie, Energy-efficient Optimization for IRS-assisted Wireless-powered Communication Networks, The 2021 IEEE 93rd Vehicular Technology Conference (VTC 2021), accepted.

2020年

[1]    Yongjun Xu, R. Q. Hu and Y. Qian, "Robust Max-Min Fairness Energy Efficiency in NOMA-based Heterogeneous Networks," ICC 2020 - 2020 IEEE International Conference on Communications (ICC), Dublin, Ireland, 2020, pp. 1-6, doi: 10.1109/ICC40277.2020.9149205.

[2]    H. Sun, Q. Wang, X. Ma, Yongjun Xu and R. Q. Hu, "Towards Green Mobile Edge Computing Offloading Systems with Security Enhancement," 2020 Intermountain Engineering, Technology and Computing (IETC), Orem, UT, USA, 2020, pp. 1-6, doi: 10.1109/IETC47856.2020.9249092.

[3]    Q. Liu, J. Yang, Yongjun Xu, G. Li and H. Sun, "Energy-efficient Resource Allocation for Secure IRS Networks with an Active Eavesdropper," 2020 IEEE/CIC International Conference on Communications in China (ICCC), Chongqing, China, 2020, pp. 1-5, doi: 10.1109/ICCC49849.2020.9238836.

[4]    H. Gu, Y. Wang, S. Hong, Yongjun Xu and G. Gui, "Deep Learning based Intelligent Recognition Method in Heterogeneous Communication Networks," 2020 IEEE/CIC International Conference on Communications in China (ICCC), Chongqing, China, 2020, pp. 478-482, doi: 10.1109/ICCC49849.2020.9238894.

2019年

[1]    Yongjun Xu, Y. Yang, G. Li and Q. Liu, "Robust Resource Allocation and Transmission Time Optimization for OFDMA-based Heterogeneous Networks," 2019 11th International Conference on Wireless Communications and Signal Processing (WCSP), Xi'an, China, 2019, pp. 1-6.

[2]    Yongjun Xu, G. Li, Q. Liu and Z. Wang, "Resource Allocation for OFDMA-Based Cognitive Networks: An Interference-Efficient Perspective," 2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, HI, USA, 2019, pp. 1-5.

[3]    Yongjun Xu, Y. Yang, G. Li, Z. Wang. Joint Subchannel and Power Allocation for Cognitive NOMA Systems with Imperfect CSI. IEEE GlobalSIP 2019. SCI/EI

[4]    Yongjun Xu, F. Shu, R. Q. Hu and Y. Liang, "Robust Resource Allocation in NOMA based Cognitive Radio Networks," 2019 IEEE/CIC International Conference on Communications in China (ICCC), Changchun, China, 2019, pp. 243-248.

[5]    Z. Hong, G. Li, J. Lin, Yongjun Xu and X. Zhou, "Power Allocation for Downlink Multiuser NOMA-Based Generalized Spatial Modulation," 2019 11th International Conference on Wireless Communications and Signal Processing (WCSP), Xi'an, China, 2019, pp. 1-6.

[6]    G. Zhang, C. Wu, Yongjun Xu and Z. Wang, "Robust Energy Efficiency Optimization for SWIPT-enabled Heterogeneous NOMA Networks," 2019 11th International Conference on Wireless Communications and Signal Processing (WCSP), Xi'an, China, 2019, pp. 1-5.

[7]    K. Huang, Z. Wang, H. Zhang, Z. Fan, X. Wan and Yongjun Xu, "Energy efficient resource allocation algorithm in multi-carrier NOMA systems," 2019 IEEE 20th International Conference on High Performance Switching and Routing (HPSR), Xi'An, China, 2019, pp. 1-5.

2018年

[1]    Yongjun Xu, G. Li, J. Tang and L. Luan, "Robust Resource Allocation for Uplink Sum Rate Maximization in Multi-Cell Heterogeneous Networks," 2018 IEEE International Conference on Communications Workshops (ICC Workshops), Kansas City, MO, 2018, pp. 1-6. SCI (IDS:BK9UI)

[2]    Yongjun Xu, X. Yu, Y. Peng, G. Li and Q. Chen, “Robust energy-efficient power allocation strategy for energy harvesting-aided heterogeneous cellular networks,” 2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP), Anaheim, CA, USA, 2018, pp. 803-807. SCI (IDS:BM4AT)

[3]    Y. Hu, Yongjun Xu*, Y. Liu and H. Yu, "Robust Energy-Efficiency Power Allocation in Multicell HetNets with Channel Uncertainties," 2018 IEEE/CIC ICCC, Beijing, China, 2018, pp. 426-430. SCI/EI (IDS: BM5FJ)

[4]    G. Li, Y. Ou, Yongjun Xu, Y. Pang, J. Wang and X. Zhou, "A Design of Space-Time Block Code for Spatial Modulation Systems," 2018 14th IEEE International Conference on Signal Processing (ICSP), Beijing, China, 2018, pp. 737-741.SCI (IDS: BM6LH)

[5]    G. Li, E. Geng, Z. Ye, Yongjun Xu and H. Zhu, "An Indoor Positioning Algorithm Based on RSSI Real-time Correction," 2018 14th IEEE International Conference on Signal Processing (ICSP), Beijing, China, 2018, pp. 129-133. SCI (IDS: BM6LH)

[6]    G. Li, X. Zhou, Y. Zhao, Yongjun Xu and Y. Pang, "A Low-Complexity Group Detection Algorithm for MIMO systems," 2018 14th IEEE ICSP, Beijing, China, 2018, pp. 742-746. SCI/EI (IDS:BM6LH)

2017年

[1]    Yongjun Xu, Y. Hu, Q. Chen, T. Song and R. Lai, "Robust resource allocation for multi-tier cognitive heterogeneous networks," 2017 IEEE International Conference on Communications (ICC), Paris, 2017, pp. 1-6. SCI (IDS: BJ4DG)

[2]    Yongjun Xu, Y. Hu, Q. Chen, R. Chai and G. Li, "Distributed Resource Allocation for Cognitive HetNets with Cross-Tier Interference Constraint," 2017 IEEE Wireless Communications and Networking Conference (WCNC), San Francisco, CA, 2017, pp. 1-6. SCI (IDS: BH8BJ)

[3]    Yongjun Xu, Y. Liu, G. Li, H. Yu and R. Lai, "Robust uplink power allocation for two-tier heterogeneous networks," 2017 9th International Conference on Wireless Communications and Signal Processing (WCSP), Nanjing, 2017, pp. 1-5. SCI (IDS: BJ6XA)

[4]    G. Xiang, G. Li, Yongjun Xu, Y. Ou, J. Wang and H. Zhu, "A low-complexity soft output detection algorithm for spatial modulation systems," 2017 IEEE 17th International Conference on Communication Technology (ICCT), Chengdu, 2017, pp. 33-37. SCI (IDS: BK3NU)

2016年

[1]    Yongjun Xu, X. Zhao and F. Hu, "Interference minimization based power allocation for cognitive radio networks with imperfect spectrum sensing," 2016 IEEE Wireless Communications and Networking Conference (WCNC 2016), Doha, 2016, pp. 1-6. SCI (IDS: BG4CR)

[2]    L. Zhu, X. Zhao and Yongjun Xu, "Robust power control for cognitive radio networks under spectrum sensing errors," 2016 International Conference on Computer, Information and Telecommunication Systems (CITS), Kunming, 2016, pp. 1-5. SCI (IDS: BG1NS)

[3]    H. Li, X. Zhao and Yongjun Xu, Min-max BER Based Power Control for OFDM-Based Cognitive Cooperative Networks with Imperfect Spectrum Sensing, 2016 International Conference on Cognitive Radio Oriented Wireless Networks (Crowncom), Grenoble, France. EI

2014年

[1]    Yongjun Xu, X. Zhao, “Robust rate maximization for OFDM-based cognitive radio networks,” IEEE GlobalSIP, Atlanta, GA, USA, pp. 1195-1198, Dec. 2014. SCI/EI (IDS:BF5IK)

[2]    Yongjun Xu, Y. Qiao, “Modeling and variable structure control of a vehicle flexible manipulator,” IEEE WCICA, Beijing, china, pp. 3657-3662, Jul. 2012. SCI/EI (IDS:BH0KT)