聚焦智能无人集群网络前沿理论与技术创新，研究方向包括通信网络安全、无线宽带自组织网络、无人机通信系统。发表学术论文百余篇，出版中英文学术专著8部。获国家自然科学基金优秀青年科学基金、北京市自然科学基金杰出青年科学基金，主持国家自然科学基金联合重点、国家重点研发计划课题。获中国出版政府奖、国家科技进步二等奖、中国电子学会自然科学一等奖、中国指挥与控制学会科技进步一等奖、中国电子学会自然科学二等奖、茅以升北京青年科技奖。担任北京市政协委员、中国科学技术协会第十次全国代表大会代表、中国电子学会理事、中国指挥与控制学会理事、北京市科学技术协会人才工作专门委员会委员、IEEE Trans. Wireless Commun.、IEEE Trans. Mob. Comput.、IEEE Trans. Signal Process.、IEEE Wireless Commun. Lett.期刊编委、J. Commun. Inf. Networks期刊执行编委，入选IEEE通信学会、车辆技术学会杰出演讲者。指导学生获中国电子学会优秀博士学位论文、优秀硕士学位论文、中国指挥与控制学会优秀博士学位论文、北京市优秀博士学位论文提名、北京市优秀毕业生等奖项。
J. Wang, L. Bai, Z. Fang, R. Han, J. Wang, and J. Choi, “Age of information based URLLC transmission for UAVs on pylon turn,” IEEE Transactions on Vehicular Technology, vol. 73, no. 6, pp. 8797-8809, June 2024.
R. Han, Y. Yu, L. Bai, J. Wang, J. Choi, and W. Zhang, “Effective capacity analysis of delay-sensitive communications in NOMA systems,” IEEE Transactions on Wireless Communications, vol. 23, no. 4, pp. 3665-3675, April 2024.
R. Han, M. Liu, J. Wang, L. Bai*, and J. Liu, "Anti-jamming strategy for satellite internet of things: Beam switching and optimization," IEEE Internet of Things Journal, vol. 10, no. 23, pp. 20254-20263, Dec. 2023.
L. Bai, Z. Wu, and L. Zhou, "Achievable refined asymptotics for successive refinement using Gaussian codebooks," IEEE Transactions on Information Theory, vol. 69, no. 6, pp. 3525-3543, June 2023.
L. Bai, J. Xu, and L. Zhou, “Covert communication for spatially sparse mmwave massive MIMO channels,” IEEE Transactions on Communications, vol. 71, no. 3, pp. 1615-1630, March 2023.
J. Wang, L. Bai, J. Chen and J. Wang, “Starling flocks inspired resource allocation for ISAC aided green ad hoc networks,” IEEE Transactions on Green Communications and Networking, vol. 7, no. 1, pp. 444 - 454 March 2023.
L. Chai, L. Bai, T. Bai, J. Choi, and W. Zhang, “RIS-aided SCMA-based SWIPT systems: design and optimization,” IEEE Transactions on Vehicular Technology, vol. 72, no. 5, pp. 6238-6252, May 2023.
L. Zhu, L. Bai, L. Zhou, and J. Choi, “Efficient user scheduling for uplink hybrid satellite-terrestrial communication,” IEEE Transactions on Wireless Communications, vol. 22, no. 5, pp. 1885-1899, March 2023.
J. Xu, X. Cheng, and L. Bai, “A 3-D space-time-frequency non-stationary model for low-altitude UAV mmWave and massive MIMO aerial fading channels,” IEEE Transactions on Antennas and Propagation, vol. 70, no. 11, pp. 10936-10950, November 2022.
C. Han, L. Bai, T. Bai and J. Choi, “Joint UAV deployment and power allocation for secure space-air-ground communications,” IEEE Transactions on Communications, vol. 70, no. 10, pp. 6804-6818, September 2022.
L. Bai, Q. Chen, and T. Bai, and J. Wang, “UAV-enabled secure multi-user backscatter communications with planar array,” IEEE Journal on Selected Areas in Communications, vol. 40, no. 10, pp. 2946-2961, October 2022.
L. Zhou, L. Bai, and A. Hero, “Resolution limits of non-adaptive 20 questions search for multiple targets”, IEEE Transactions on Information Theory, vol. 69, no. 8, pp. 4964-4982, August 2022.
L. Bai, J. Liu, R. Han, and W. Zhang, “Wireless radar sensor networks: epidemiological modeling and optimization,” IEEE Journal on Selected Areas in Communications, vol. 40, no. 6, pp. 1993-2005, June 2022.
L. Chai, Z. Liu, P. Xiao, A. Maaref, and L. Bai, “An improved EPA-based receiver design for uplink LDPC coded SCMA system,” IEEE Wireless Communications Letters, vol. 11, no. 5, pp. 947-951, May 2022.
R. Han, L. Bai, W. Zhang, J. Liu, J. Choi, and W. Zhang, “Variational inference based sparse signal detection for next generation multiple access,” IEEE Journal on Selected Areas in Communications, vol. 40, no. 4, pp. 1114-1127, April 2022.
Q. Chen, L. Bai, C. He, and R. Jin, “On the harmonic selection and performance verification in time-modulated array-based space division multiple access,” IEEE Transactions on Antennas and Propagation, vol. 69, no. 6, pp. 3244-3256, June 2021.
R. Han, L. Bai, Y. Wen, J. Liu, J. Choi, and W. Zhang, “UAV-aided backscatter communications: performance analysis and trajectory optimization,” IEEE Journal on Selected Areas in Communications, vol. 39, no. 10, pp. 3129-3143, June 2021.
J. Wang, R. Han, L. Bai, T. Zhang, J. Liu, and J. Choi, “Coordinated beamforming for UAV-aided millimeter-wave communications using GPML-based channel estimation,” IEEE Transactions on Cognitive Communications and Networking, vol. 7, no. 1, pp. 101-109, March 2021.
L. Bai, J. Liu, Q. Yu, J. Choi, and W. Zhang, “A collision resolution protocol for random access in massive MIMO,” IEEE Journal on Selected Areas in Communications, vol. 39, no. 3, pp. 686-699, March 2021.
R. Han, J. Wang, L. Bai, J. Liu, and J. Choi, “Age of information and performance analysis for UAV-aided IoT systems,” IEEE Internet of Things Journal, vol. 8, no. 9, pp. 14447-14457, January 2021.
L. Bai, J. Wang, R. Han, D. Li, J. Liu, and J. Choi, “A precoding compensation scheme for heterogeneous communication networks with CSI feedback delay,” IEEE Transactions on Network Science and Engineering, vol. 7, no. 4, pp. 2506-2514, December 2020.
R. Han, Y. Wen, L. Bai, J. Liu, and J. Choi, “Rate splitting on mobile edge computing for UAV-aided IoT systems,” IEEE Transactions on Cognitive Communications and Networking, vol. 6, no. 4, pp. 1193-1203, December 2020.
L. Bai, R. Han, J. Liu, Q. Yu, J. Choi, and W. Zhang, “Air-to-Ground Wireless Links for High-Speed UAVs,” IEEE Journal on Selected Areas in Communications, vol. 38, no.12, pp. 2918-2930, December 2020.
J. Wang, J. Yi, R. Han, L. Bai, and J. Choi, “Variational Bayesian inference for channel estimation and user activity detection in C-RAN,” IEEE Wireless Communications Letters, vol. 9, no. 7, pp. 953-956, July 2020.
R. Han, L. Bai, J. Yi, J. Liu, and J. Choi, “Multiple delay estimation using genetic algorithm based MCMC in non-orthogonal random access,” IEEE Wireless Communications Letters, vol. 9, no. 3, pp. 398-401, March 2020.
Q. Zhou, Y. Ma, L. Bai, J. Choi, and Y. C. Liang, “Relay-aided multiple access scheme in two-point joint transmission,” IEEE Transactions on Vehicular Technology, vol. 68, no. 6, pp. 5629-5641, June 2019.
L. Bai, L. Zhu, Q. Yu, J. Choi, and W. Zhuang, “Transmit power minimization for vector-perturbation based NOMA systems: a sub-optimal beamforming approach,” IEEE Transactions on Wireless Communications, vol. 18, no. 5, pp. 2679-2692, March 2019.
Q. Yu, C. Han, L. Bai, J. Choi, and X. Shen, “Low-complexity multiuser detection in millimeter-wave systems based on opportunistic hybrid beamforming,” IEEE Transactions on Vehicular Technology, vol. 67, no. 10, pp. 10129-10133, October 2018.
M. Li, L. Bai, Q. Yu, and J. Choi, “Optimal beamforming for dual-hop MIMO AF relay networks with cochannel interferences,” IEEE Transactions on Signal Processing, vol. 65, no. 7, pp. 1825-1840, April 2017.
Q. Li, J. Zhang, L. Bai, and J. Choi, “Performance analysis and system design for hierarchical modulated BICM-ID,” IEEE Transactions on Wireless Communications, vol. 13, no. 6, pp. 3056-3069, May 2014.
政协北京市第十四届委员会委员
中国科学技术协会第十次全国代表大会代表
中国电子学会理事
中国指挥与控制学会理事
中国通信学会第六届青年工作委员会委员
中国通信学会第一届期刊与出版工作委员会委员
北京市科学技术协会第十次代表大会代表
北京市科学技术协会人才工作专门委员会委员
IEEE Senior Member
IEEE Transactions on Wireless Communications编委（2019年-至今）
IEEE Transactions on Mobile Computing 编委（2023年-至今）
IEEE Transactions on Signal Processing编委（2020年-2022年）
IEEE Wireless Communications Letters编委（2018年-2022年）
Journal of Communications and Information Networks执行编委（2015年-至今）
IEEE Wireless Communications Magazine,专刊：Space Information Networks客座主编
IEEE Internet of Things Journal,专刊：UAV over IoT客座编委
IEEE/CIC ICCC 2024 Symposium “Information and Communication Theory”, Co-Chair
IEEE VTC 2021-Fall Symposium “IoV, IoT, M2M, Sensor Networks, and Ad-Hoc Networking”, Co-Chair
IEEE Globecom 2019 Symposium “Mobile and Wireless Networks”, Co-Chair
IEEE/CIC ICCC 2019, Tutorial Co-Chair
IEEE ComSoc WTC SIG: Space Air Ground Integrated (SAGI) Communications, Chair
