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LEI Lei

Main Referenced Co-authors
CHATZINOTAS, Symeon  (43)
OTTERSTEN, Björn  (36)
LAGUNAS TARGARONA, Eva  (16)
VU, Thang Xuan  (16)
You, Lei (8)
Main Referenced Keywords
Deep reinforcement learning (2); Machine Learning (2); NOMA (2); UAV (2); User scheduling (2);
Main Referenced Unit & Research Centers
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM (2)
Main Referenced Disciplines
Electrical & electronics engineering (27)
Computer science (20)

Publications (total 47)

The most downloaded
1669 downloads
Lei, L., You, L., Dai, G., Vu, T. X., Yuan, D., & Chatzinotas, S. (2017). A Deep Learning Approach for Optimizing Content Delivering in Cache-Enabled HetNet. In IEEE International Symposium on Wireless Communication Systems (ISWCS), Bologna, Aug. 2017. https://hdl.handle.net/10993/31926

The most cited

456 citations (Scopus®)

Kodheli, O., Lagunas, E., Maturo, N., Sharma, S. K., Mysore Rama Rao, B. S., Mendoza Montoya, J. F., Merlano Duncan, J. C., Spano, D., Chatzinotas, S., Kisseleff, S., Querol, J., Lei, L., X. Vu, T., & Goussetis, G. (2021). Satellite Communications in the New Space Era: A Survey and Future Challenges. IEEE Communications Surveys and Tutorials, 23 (1), 70-109. doi:10.1109/COMST.2020.3028247 https://hdl.handle.net/10993/45772

Ortiz Gomez, F. D. G., Lei, L., Lagunas, E., Martinez, R., Tarchi, D., Querol, J., Salas, M., & Chatzinotas, S. (16 March 2022). Machine Learning for Radio Resource Management in Multibeam GEO Satellite Systems. Electronics, 11 (7), 992. doi:10.3390/electronics11070992
Peer reviewed

Wang, A., Lei, L., Lagunas, E., Chatzinotas, S., & Ottersten, B. (08 December 2021). Dual-DNN Assisted Optimization for Efficient Resource Scheduling in NOMA-Enabled Satellite Systems [Paper presentation]. GLOBECOM 2021, Madrid, Spain.

Kong, L., Ai, Y., Lei, L., Kaddoum, G., Chatzinotas, S., & Ottersten, B. (2021). An overview of generic tools for information-theoretic secrecy performance analysis over wiretap fading channels. EURASIP Journal on Wireless Communications and Networking volume, (1), 194. doi:10.1186/s13638-021-02065-4
Peer reviewed

Yuan, Y., Lei, L., Vu, T. X., Chatzinotas, S., Sun, S., & Ottersten, B. (2021). Energy Minimization in UAV-Aided Networks: Actor-Critic Learning for Constrained Scheduling Optimization. IEEE Transactions on Vehicular Technology. doi:10.1109/TVT.2021.3075860
Peer Reviewed verified by ORBi

Yuan, Y., Lei, L., Vu, T. X., Chatzinotas, S., Sun, S., & Ottersten, B. (2021). Actor‑critic learning‑based energy optimization for UAV access and backhaul networks. EURASIP Journal on Wireless Communications and Networking. doi:10.1186/s13638-021-01960-0
Peer Reviewed verified by ORBi

Wang, A., Lei, L., Lagunas, E., Chatzinotas, S., Perez-Neira, A. I., & Ottersten, B. (31 March 2021). Joint Beam-Hopping Scheduling and Power Allocation in NOMA-Assisted Satellite Systems [Paper presentation]. 2021 IEEE Wireless Communications and Networking Conference (WCNC), Nanjing, China.

Wang, A., Lei, L., Lagunas, E., Chatzinotas, S., & Ottersten, B. (2021). Completion Time Minimization in NOMA Systems:Learning for Combinatorial Optimization. IEEE Networking Letters. doi:10.1109/LNET.2021.3052891
Peer Reviewed verified by ORBi

Lei, L., Yuan, Y., Vu, T. X., Chatzinotas, S., Minardi, M., & Montoya, J. F. (2021). Dynamic-Adaptive AI Solutions for Network Slicing Management in Satellite-Integrated B5G Systems. IEEE Network Magazine. doi:10.1109/MNET.111.2100206
Peer reviewed

Abdu, T. S., Lei, L., Kisseleff, S., Lagunas, E., Chatzinotas, S., & Ottersten, B. (2021). Precoding-Aided Bandwidth Optimization for High Throughput Satellite Systems [Paper presentation]. 2021 IEEE 5G World Forum. doi:10.1109/5GWF52925.2021.00010

Wang, A., Lei, L., Lagunas, E., Ana I., P.-N., Chatzinotas, S., & Ottersten, B. (January 2021). NOMA-Enabled Multi-Beam Satellite Systems: Joint Optimization to Overcome Offered-Requested Data Mismatches. IEEE Transactions on Vehicular Technology, 70 (1), 900-913. doi:10.1109/TVT.2020.3047453
Peer Reviewed verified by ORBi

Kodheli, O., Lagunas, E., Maturo, N., Sharma, S. K., Mysore Rama Rao, B. S., Mendoza Montoya, J. F., Merlano Duncan, J. C., Spano, D., Chatzinotas, S., Kisseleff, S., Querol, J., Lei, L., X. Vu, T., & Goussetis, G. (2021). Satellite Communications in the New Space Era: A Survey and Future Challenges. IEEE Communications Surveys and Tutorials, 23 (1), 70-109. doi:10.1109/COMST.2020.3028247
Peer Reviewed verified by ORBi

Luo, Y., Pu, L., & Lei, L. (2020). Impact of Varying Radio Power Density on Wireless Communications of RF Energy Harvesting Systems. IEEE Transactions on Communications. doi:10.1109/TCOMM.2020.3040397
Peer Reviewed verified by ORBi

Yuan, Y., Lei, L., Vu, T. X., Chatzinotas, S., & Ottersten, B. (2020). Actor-Critic Deep Reinforcement Learning for Energy Minimization in UAV-Aided Networks. 2020 European Conference on Networks and Communications (EuCNC). doi:10.1109/EuCNC48522.2020.9200931
Peer reviewed

Lei, L., Lagunas, E., Yuan, Y., Kibria, M., Chatzinotas, S., & Ottersten, B. (2020). Beam Illumination Pattern Design in Satellite Networks: Learning and Optimization for Efficient Beam Hopping. IEEE Access. doi:10.1109/ACCESS.2020.3011746
Peer Reviewed verified by ORBi

Xiang, L., Lei, L., Chatzinotas, S., Ottersten, B., & Schober, R. (2020). Towards Power-Efficient Aerial Communicationsvia Dynamic Multi-UAV Cooperation. In IEEE Wireless Communications and Networking Conference (WCNC) 2020.
Peer reviewed

Lei, L., Lagunas, E., Yuan, Y., Kibria, M., Chatzinotas, S., & Ottersten, B. (2020). Deep Learning for Beam Hopping in Multibeam Satellite Systems. In IEEE 91st Vehicular Technology Conference (VTC2020-Spring).
Peer reviewed

Yang, Y., Yuan, Y., Chatzimichailidis, A., Sloun, R. J. V., Lei, L., & Chatzinotas, S. (2020). ProxSGD: Training Structured Neural Networks under Regularization and Constraints. In International Conference on Learning Representations (ICLR) 2020.
Peer reviewed

Kong, L., Ai, Y., Lei, L., Kaddoum, G., Chatzinotas, S., & Ottersten, B. (2020). An Overview of Generic Tools for Information-Theoretic Secrecy Performance Analysis over Wiretap Fading Channels. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/45001.

Lei, L., You, L., Yang, Y., Yuan, D., Chatzinotas, S., & Ottersten, B. (2019). Load Coupling and Energy Optimization in Multi-Cell and Multi-Carrier NOMA Networks. IEEE Transactions on Vehicular Technology. doi:10.1109/TVT.2019.2943701
Peer Reviewed verified by ORBi

Lei, L., You, L., He, Q., Vu, T. X., Chatzinotas, S., Yuan, D., & Ottersten, B. (2019). Learning-Assisted Optimization for Energy-Efficient Scheduling in Deadline-Aware NOMA Systems. IEEE Transactions on Green Communications and Networking. doi:10.1109/TGCN.2019.2902838
Peer Reviewed verified by ORBi

Lei, L., Vu, T. X., Xiang, L., Zhang, X., Chatzinotas, S., & Ottersten, B. (2019). Optimal Resource Allocation for NOMA-Enabled Cache Replacement and Content Delivery. In IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2019).
Peer reviewed

Yuan, Y., Vu, T. X., Lei, L., Chatzinotas, S., & Ottersten, B. (2019). Joint User Grouping and Power Allocation for MISO Systems: Learning to Schedule. In IEEE European Signal Processing Conference 2019.
Peer reviewed

Wang, A., Lei, L., Lagunas, E., Pérez-Neira, A. I., Chatzinotas, S., & Ottersten, B. (2019). On Fairness Optimization for NOMA-Enabled Multi-Beam Satellite Systems. In IEEE International Symposium on Personal, Indoor and Mobile Radio Communications 2019.
Peer reviewed

Lei, L., Yaxiong, Y., Vu, T. X., Chatzinotas, S., & Ottersten, B. (2019). Learning-Based Resource Allocation: Efficient Content Delivery Enabled by Convolutional Neural Network. In IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) 2019.
Peer reviewed

Vu, T. X., Lei, L., Chatzinotas, S., & Ottersten, B. (2019). Machine Learning based Antenna Selection and Power Allocation in Multi-user MISO Systems. In 2019 IEEE International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt).
Peer reviewed

Vu, T. X., Lei, L., Chatzinotas, S., Ottersten, B., & Trinh, A. V. (2019). On the Successful Delivery Probability of Full-Duplex-Enabled Mobile Edge Caching. IEEE Communications Letters. doi:10.1109/LCOMM.2019.2908847
Peer Reviewed verified by ORBi

Lagunas, E., Lei, L., Chatzinotas, S., & Ottersten, B. (2019). Satellite Links Integrated in 5G SDN-enabled Backhaul Networks: An Iterative Joint Power and Flow Assignment. In European Signal Processing Conference (EUSIPCO), A Coruna, Spain, Sept. 2019.
Peer reviewed

Lagunas, E., Lei, L., Chatzinotas, S., & Ottersten, B. (2019). Power and Flow Assignment for 5G Integrated Terrestrial-Satellite Backhaul Networks. In IEEE Wireless Communications and Networking Conference, Marrakech, Morocco, April 2019.
Peer reviewed

Vu, T. X., Vu, T. A., Lei, L., Chatzinotas, S., & Ottersten, B. (2019). Linear Precoding Design for Cache-aided Full-duplex Networks. In 2019 IEEE Wireless Communications and Networking Conference (WCNC).
Peer reviewed

Vu, T. X., Lei, L., Chatzinotas, S., Ottersten, B., & Vu, T. A. (2019). Energy Efficient Design for Coded Caching Delivery Phase. In 2019 IEEE International Conference on Recent Advances in Signal Processing, Telecommunications & Computing (SigTelCom).
Peer reviewed

Lei, L., You, L., Yang, Y., Yuan, D., Chatzinotas, S., & Ottersten, B. (2018). Power and Load Optimization in Interference-Coupled Non-Orthogonal Multiple Access Networks. In IEEE Global Communications Conference (GLOBECOM) 2018. doi:10.1109/GLOCOM.2018.8647669
Peer reviewed

Lei, L., Chang, Z., Hu, Y., Ristaniemi, T., Yuan, Y., & Chatzinotas, S. (2018). Energy-Efficient Resource Optimization with Wireless Power Transfer for Secure NOMA Systems. In IEEE/CIC International Conference on Communications in China (ICCC 2018).
Peer reviewed

Lei, L., Vu, T. X., You, L., Fowler, S., & Yuan, D. (2018). Efficient Minimum-Energy Scheduling with Machine-Learning based Predictions for Multiuser MISO Systems. In 2018 IEEE International Conference on Communications (ICC).
Peer reviewed

You, L., Yuan, D., Lei, L., Sun, S., Chatzinotas, S., & Ottersten, B. (2018). Resource Optimization With Load Coupling in Multi-Cell NOMA. IEEE Transactions on Wireless Communications. doi:10.1109/TWC.2018.2830386
Peer Reviewed verified by ORBi

Lei, L., Lagunas, E., Chatzinotas, S., & Ottersten, B. (15 June 2018). NOMA Aided Interference Management for Full-Duplex Self-Backhauling HetNets. IEEE Communications Letters, 22 (8), 1696-1699. doi:10.1109/LCOMM.2018.2847672
Peer reviewed

Chang, Z., Lei, L., Zhou, Z., Mao, S., & Ristaniemi, T. (2018). Learn to Cache: Machine Learning for Network Edge Caching in the Big Data Era. IEEE Wireless Communications. doi:10.1109/MWC.2018.1700317
Peer Reviewed verified by ORBi

Lei, L., You, L., Yuan, D., Chatzinotas, S., & Ottersten, B. (2018). Efficient Resource Optimization in Wireless Networks: A Deep-Learning Assisted Approach. In 2018 INFORMS Telecommunications Conference.
Peer reviewed

Vu, T. X., Lei, L., Vuppala, S., Chatzinotas, S., & Ottersten, B. (2018). Energy-efficient design for latency-tolerant content delivery networks. In 2018 IEEE Wireless Communications and Networking Conference (WCNC).
Peer reviewed

Vu, T. X., Lei, L., Vuppala, S., Kalantari, A., Chatzinotas, S., & Ottersten, B. (2018). Latency Minimization for Content Delivery Networks with Wireless Edge Caching. In 2018 IEEE International Conference on Communications (ICC).
Peer reviewed

Chang, Z., Lei, L., Zhang, H., Ristaniemi, T., Chatzinotas, S., Ottersten, B., & Han, Z. (2018). Energy-Efficient and Secure Resource Allocation for Multiple-Antenna NOMA with Wireless Power Transfer. IEEE Transactions on Green Communications and Networking. doi:10.1109/TGCN.2018.2851603
Peer reviewed

You, L., Lei, L., Yuan, D., Sun, S., Chatzinotas, S., & Ottersten, B. (2017). A Framework for Optimizing Multi-cell NOMA: Delivering Demand with Less Resource. In 2017 IEEE Global Communications Conference (GLOBECOM). doi:10.1109/GLOCOM.2017.8254922
Peer reviewed

Lei, L., You, L., Dai, G., Vu, T. X., Yuan, D., & Chatzinotas, S. (2017). A Deep Learning Approach for Optimizing Content Delivering in Cache-Enabled HetNet. In IEEE International Symposium on Wireless Communication Systems (ISWCS), Bologna, Aug. 2017.
Peer reviewed

Lagunas, E., Lei, L., Maleki, S., Chatzinotas, S., & Ottersten, B. (2017). Power Allocation for In-Band Full-Duplex Self-Backhauling. In International Conference on Telecommunications and Signal Processing (TSP), Barcelona, Spain, July 2017.
Peer reviewed

Liu, Z., Lei, L., Zhang, N., Kang, G., & Chatzinotas, S. (2017). Joint Beamforming and Power Optimization with Iterative User Clustering for MISO-NOMA Systems. IEEE Access. doi:10.1109/ACCESS.2017.2700018
Peer Reviewed verified by ORBi

Lagunas, E., Maleki, S., Lei, L., Tsinos, C., Chatzinotas, S., & Ottersten, B. (2017). Carrier Allocation for Hybrid Satellite-Terrestrial Backhaul Networks. In ICC Workshop on Satellite Communications: Challenges and Integration in the 5G ecosystem, Paris, France, May 2017.
Peer reviewed

Liu, Z., Kang, G., Lei, L., Zhang, N., & Zhang, S. (2017). Power Allocation for Energy Efficiency Maximization in Downlink CoMP Systems With NOMA. In IEEE Wireless Communications and Networking Conference (WCNC), 2017 (pp. 1-6).
Peer reviewed

Lei, L., Lagunas, E., Maleki, S., He, Q., Chatzinotas, S., & Ottersten, B. (2017). Energy Optimization for Full-Duplex Self-Backhauled HetNet with Non-Orthogonal Multiple Access. In International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, July 2017.
Peer reviewed

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