Performance analysis of chunk-based resource allocation in wireless OFDMA systems. - Lei Lei 001; Vangelis Angelakis; Di Yuan 001 (CAMAD, 2012)

Minimum-length scheduling in wireless networks with multi-user detection and interference cancellation: Optimization and performance evaluation. - Di Yuan 001; Vangelis Angelakis; Lei Lei 001 (ICCS, 2012)

Power efficient uplink scheduling in SC-FDMA: Bounding global optimality by column generation. - Hongmei Zhao; Lei Lei 001; Di Yuan 001; Torbjörn Larsson; Elina Rönnberg (CAMAD, 2013)

Improved Resource Allocation Algorithm Based on Partial Solution Estimation for SC-FDMA Systems. - Lei Lei 001; Scott Fowler; Di Yuan 001 (VTC Fall, 2013)

A Unified Graph Labeling Algorithm for Consecutive-Block Channel Allocation in SC-FDMA. - Lei Lei 001; Di Yuan 001; Chin Keong Ho; Sumei Sun (IEEE Trans. Wirel. Commun., 2013)

A performance study of energy minimization for interleaved and localized FDMA. - Lei You 002; Lei Lei 001; Di Yuan 001 (CAMAD, 2014)

Optimal energy minimization in load-coupled wireless networks: Computation and properties. - Chin Keong Ho; Di Yuan 001; Lei Lei 001; Sumei Sun (ICC, 2014)

Range assignment for power optimization in load-coupled heterogeneous networks. - Lei You 002; Lei Lei 001; Di Yuan 001 (ICCS, 2014)

Resource scheduling to jointly minimize receiving and transmitting energy in OFDMA systems. - Lei Lei 001; Di Yuan 001; Chin Keong Ho; Sumei Sun (ISWCS, 2014)

Joint Optimization of Power and Channel Allocation with Non-Orthogonal Multiple Access for 5G Cellular Systems. - Lei Lei 001; Di Yuan 001; Chin Keong Ho; Sumei Sun (GLOBECOM, 2015)

Load balancing via joint transmission in heterogeneous LTE: Modeling and computation. - Lei You 002; Lei Lei 001; Di Yuan 001 (PIMRC, 2015)

Power and Load Coupling in Cellular Networks for Energy Optimization. - Chin Keong Ho; Di Yuan 001; Lei Lei 001; Sumei Sun (IEEE Trans. Wirel. Commun., 2015)

Optimal Cell Clustering and Activation for Energy Saving in Load-Coupled Wireless Networks. - Lei Lei 001; Di Yuan 001; Chin Keong Ho; Sumei Sun (IEEE Trans. Wirel. Commun., 2015)

Optimizing power and user association for energy saving in load-coupled cooperative LTE. - Lei You 002; Lei Lei 001; Di Yuan 001 (ICC, 2016)

Successive Interference Cancellation for Throughput Maximization in Wireless Powered Communication Networks. - Ming Lei; Xingjun Zhang; Tong Zhang; Lei Lei 001; Qing He 002; Di Yuan 001 (VTC Fall, 2016)

On Power Minimization for Non-orthogonal Multiple Access (NOMA). - Lei Lei 001; Di Yuan 001; Peter Värbrand (IEEE Commun. Lett., 2016)

Power and Channel Allocation for Non-Orthogonal Multiple Access in 5G Systems: Tractability and Computation. - Lei Lei 001; Di Yuan 001; Chin Keong Ho; Sumei Sun (IEEE Trans. Wirel. Commun., 2016)

From Orthogonal to Non-orthogonal Multiple Access : Energy- and Spectrum-Efficient Resource Allocation. - Lei Lei 001 (2016)

A Framework for Optimizing Multi-Cell NOMA: Delivering Demand with Less Resource. - Lei You 002; Lei Lei 001; Di Yuan 001; Sumei Sun; Symeon Chatzinotas; Björn E. Ottersten (GLOBECOM, 2017)

Carrier allocation for Hybrid Satellite-Terrestrial Backhaul networks. - Eva Lagunas; Sina Maleki; Lei Lei 001; Christos G. Tsinos; Symeon Chatzinotas; Björn E. Ottersten (ICC Workshops, 2017)

A deep learning approach for optimizing content delivering in cache-enabled HetNet. - Lei Lei 001; Lei You 002; Gaoyang Dai; Thang X. Vu; Di Yuan 001; Symeon Chatzinotas (ISWCS, 2017)

Energy optimization for full-duplex self-backhauled HetNet with non-orthogonal multiple access. - Lei Lei 001; Eva Lagunas; Sina Maleki; Qing He 002; Symeon Chatzinotas; Björn E. Ottersten (SPAWC, 2017)

Power allocation for in-band full-duplex self-backhauling. - Eva Lagunas; Lei Lei 001; Sina Maleki; Symeon Chatzinotas; Björn E. Ottersten (TSP, 2017)

Power Allocation for Energy Efficiency Maximization in Downlink CoMP Systems with NOMA. - Zhengxuan Liu; Guixia Kang; Lei Lei 001; Ningbo Zhang; Shuang Zhang 009 (WCNC, 2017)

Joint Beamforming and Power Optimization With Iterative User Clustering for MISO-NOMA Systems. - Zhengxuan Liu; Lei Lei 001; Ningbo Zhang; Guixia Kang; Symeon Chatzinotas (IEEE Access, 2017)

Resource Optimization in Multi-cell NOMA. - Lei You 002; Di Yuan 001; Lei Lei 001; Sumei Sun; Symeon Chatzinotas; Björn E. Ottersten (CoRR, 2017)

Power and Load Optimization in Interference-Coupled Non-Orthogonal Multiple Access Networks. - Lei Lei 001; Lei You 002; Yang Yang 033; Di Yuan 001; Symeon Chatzinotas; Björn E. Ottersten (GLOBECOM, 2018)

Efficient Minimum-Energy Scheduling with Machine-Learning Based Predictions for Multiuser MISO Systems. - Lei Lei 001; Thang X. Vu; Lei You 002; Scott Fowler; Di Yuan 001 (ICC, 2018)

Latency Minimization for Content Delivery Networks with Wireless Edge Caching. - Thang X. Vu; Lei Lei 001; Satyanarayana Vuppala; Ashkan Kalantari; Symeon Chatzinotas; Björn E. Ottersten (ICC, 2018)

Energy-Efficient Resource Optimization with Wireless Power Transfer for Secure NOMA Systems. - Lei Lei 001; Zheng Chang 001; Yun Hu 001; Tapani Ristaniemi; Yaxiong Yuan; Symeon Chatzinotas (ICCC, 2018)

Energy-efficient design for latency-tolerant content delivery networks. - Thang X. Vu; Lei Lei 001; Satyanarayana Vuppala; Symeon Chatzinotas; Björn E. Ottersten (WCNC Workshops, 2018)

NOMA Aided Interference Management for Full-Duplex Self-Backhauling HetNets. - Lei Lei 001; Eva Lagunas; Symeon Chatzinotas; Björn E. Ottersten (IEEE Commun. Lett., 2018)

Energy-Efficient and Secure Resource Allocation for Multiple-Antenna NOMA With Wireless Power Transfer. - Zheng Chang 001; Lei Lei 001; Huaqing Zhang 001; Tapani Ristaniemi; Symeon Chatzinotas; Björn E. Ottersten; Zhu Han 001 (IEEE Trans. Green Commun. Netw., 2018)

Resource Optimization With Load Coupling in Multi-Cell NOMA. - Lei You 002; Di Yuan 001; Lei Lei 001; Sumei Sun; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Wirel. Commun., 2018)

Learn to Cache: Machine Learning for Network Edge Caching in the Big Data Era. - Zheng Chang 001; Lei Lei 001; Zhenyu Zhou 001; Shiwen Mao; Tapani Ristaniemi (IEEE Wirel. Commun., 2018)

Satellite Links Integrated in 5G SDN-enabled Backhaul Networks: An Iterative Joint Power and Flow Assignment. - Eva Lagunas; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (EUSIPCO, 2019)

Joint User Grouping and Power Allocation for MISO Systems: Learning to Schedule. - Yaxiong Yuan; Thang X. Vu; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (EUSIPCO, 2019)

Optimal Resource Allocation for NOMA-Enabled Cache Replacement and Content Delivery. - Lei Lei 001; Thang X. Vu; Lin Xiang; Xingjun Zhang; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2019)

On Fairness Optimization for NOMA-Enabled Multi-Beam Satellite Systems. - Anyue Wang; Lei Lei 001; Eva Lagunas; Ana I. Pérez-Neira; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2019)

Learning-Based Resource Allocation: Efficient Content Delivery Enabled by Convolutional Neural Network. - Lei Lei 001; Yaxiong Yuan; Thang X. Vu; Symeon Chatzinotas; Björn E. Ottersten (SPAWC, 2019)

Power and Flow Assignment for 5G Integrated Terrestrial-Satellite Backhaul Networks. - Eva Lagunas; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (WCNC, 2019)

Linear Precoding Design for Cache-aided Full-duplex Networks. - Thang X. Vu; Trinh Anh Vu; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (WCNC, 2019)

Machine Learning based Antenna Selection and Power Allocation in Multi-user MISO Systems. - Thang X. Vu; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (WiOpt, 2019)

On the Successful Delivery Probability of Full-Duplex-Enabled Mobile Edge Caching. - Thang X. Vu; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten; Trinh Anh Vu (IEEE Commun. Lett., 2019)

Learning-Assisted Optimization for Energy-Efficient Scheduling in Deadline-Aware NOMA Systems. - Lei Lei 001; Lei You 002; Qing He 002; Thang X. Vu; Symeon Chatzinotas; Di Yuan 001; Björn E. Ottersten (IEEE Trans. Green Commun. Netw., 2019)

Load Coupling and Energy Optimization in Multi-Cell and Multi-Carrier NOMA Networks. - Lei Lei 001; Lei You 002; Yang Yang 033; Di Yuan 001; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Veh. Technol., 2019)

Actor-Critic Deep Reinforcement Learning for Energy Minimization in UAV-Aided Networks. - Yaxiong Yuan; Lei Lei 001; Thang X. Vu; Symeon Chatzinotas; Björn E. Ottersten (EuCNC, 2020)

ProxSGD: Training Structured Neural Networks under Regularization and Constraints. - Yang Yang 033; Yaxiong Yuan; Avraam Chatzimichailidis; Ruud J. G. van Sloun; Lei Lei 001; Symeon Chatzinotas (ICLR, 2020)

Deep Learning for Beam Hopping in Multibeam Satellite Systems. - Lei Lei 001; Eva Lagunas; Yaxiong Yuan; Mirza Golam Kibria; Symeon Chatzinotas; Björn E. Ottersten (VTC Spring, 2020)

Towards Power-Efficient Aerial Communications via Dynamic Multi-UAV Cooperation. - Lin Xiang; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten; Robert Schober (WCNC, 2020)

Beam Illumination Pattern Design in Satellite Networks: Learning and Optimization for Efficient Beam Hopping. - Lei Lei 001; Eva Lagunas; Yaxiong Yuan; Mirza Golam Kibria; Symeon Chatzinotas; Björn E. Ottersten (IEEE Access, 2020)

Precoding-Aided Bandwidth Optimization for High Throughput Satellite Systems. - Tedros Salih Abdu; Lei Lei 001; Steven Kisseleff; Eva Lagunas; Symeon Chatzinotas; Björn E. Ottersten (5GWF, 2021)

Dual-DNN Assisted Optimization for Efficient Resource Scheduling in NOMA-Enabled Satellite Systems. - Anyue Wang; Lei Lei 001; Eva Lagunas; Symeon Chatzinotas; Björn E. Ottersten (GLOBECOM, 2021)

An SDN Based Testbed for Dynamic Network Slicing in Satellite-Terrestrial Networks. - Jesus Fabian Mendoza Montoya; Mario Minardi; Symeon Chatzinotas; Lei Lei 001; Thang X. Vu (MeditCom, 2021)

Joint Beam-Hopping Scheduling and Power Allocation in NOMA-Assisted Satellite Systems. - Anyue Wang; Lei Lei 001; Eva Lagunas; Symeon Chatzinotas; Ana Isabel Pérez-Neira; Björn E. Ottersten (WCNC, 2021)

Satellite Communications in the New Space Era: A Survey and Future Challenges. - Oltjon Kodheli; Eva Lagunas; Nicola Maturo; Shree Krishna Sharma; Bhavani Shankar; Jesus Fabian Mendoza Montoya; Juan Carlos Merlano Duncan; Danilo Spano; Symeon Chatzinotas; Steven Kisseleff; Jorge Querol; Lei Lei 001; et al. (IEEE Commun. Surv. Tutorials, 2021)

An overview of generic tools for information-theoretic secrecy performance analysis over wiretap fading channels. - Long Kong; Yun Ai; Lei Lei 001; Georges Kaddoum; Symeon Chatzinotas; Björn E. Ottersten (EURASIP J. Wirel. Commun. Netw., 2021)

Actor-critic learning-based energy optimization for UAV access and backhaul networks. - Yaxiong Yuan; Lei Lei 001; Thang X. Vu; Symeon Chatzinotas; Sumei Sun; Björn E. Ottersten (EURASIP J. Wirel. Commun. Netw., 2021)

Completion Time Minimization in NOMA Systems: Learning for Combinatorial Optimization. - Anyue Wang; Lei Lei 001; Eva Lagunas; Symeon Chatzinotas; Björn E. Ottersten (IEEE Netw. Lett., 2021)

Dynamic-Adaptive AI Solutions for Network Slicing Management in Satellite-Integrated B5G Systems. - Lei Lei 001; Yaxiong Yuan; Thang X. Vu; Symeon Chatzinotas; Mario Minardi; Jesus Fabian Mendoza Montoya (IEEE Netw., 2021)

Impact of Varying Radio Power Density on Wireless Communications of RF Energy Harvesting Systems. - Yu Luo 001; Lina Pu; Lei Lei 001 (IEEE Trans. Commun., 2021)

NOMA-Enabled Multi-Beam Satellite Systems: Joint Optimization to Overcome Offered-Requested Data Mismatches. - Anyue Wang; Lei Lei 001; Eva Lagunas; Ana I. Pérez-Neira; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Veh. Technol., 2021)

Energy Minimization in UAV-Aided Networks: Actor-Critic Learning for Constrained Scheduling Optimization. - Yaxiong Yuan; Lei Lei 001; Thang X. Vu; Symeon Chatzinotas; Sumei Sun; Björn E. Ottersten (IEEE Trans. Veh. Technol., 2021)

A Deep Learning Based Acceleration of Complex Satellite Resource Management Problem. - Tedros Salih Abdu; Steven Kisseleff; Lei Lei 001; Eva Lagunas; Joel Grotz; Symeon Chatzinotas (EUSIPCO, 2022)

Sparsification and Optimization for Energy-Efficient Federated Learning in Wireless Edge Networks. - Lei Lei 001; Yaxiong Yuan; Yang Yang 033; Yu Luo 001; Lina Pu; Symeon Chatzinotas (GLOBECOM, 2022)

Adaptive Beam Pattern Selection and Resource Allocation for NOMA-Based LEO Satellite Systems. - Anyue Wang; Lei Lei 001; Xin Hu 006; Eva Lagunas; Ana I. Pérez-Neira; Symeon Chatzinotas (GLOBECOM, 2022)

Efficient Resource Scheduling and Optimization for Over-Loaded LEO-Terrestrial Networks. - Yaxiong Yuan; Lei Lei 001; Thang X. Vu; Scott Fowler; Symeon Chatzinotas (ICC, 2022)

Memory Augmented State Space Model for Time Series Forecasting. - Yinbo Sun; Lintao Ma; Yu Liu 071; Shijun Wang; James Zhang; Yangfei Zheng; Hu Yun; Lei Lei 001; Yulin Kang; Llinbao Ye (IJCAI, 2022)

A Meta Reinforcement Learning Approach for Predictive Autoscaling in the Cloud. - Siqiao Xue; Chao Qu; Xiaoming Shi 001; Cong Liao; Shiyi Zhu; Xiaoyu Tan; Lintao Ma; Shiyu Wang 001; Shijun Wang; Yun Hu 001; Lei Lei 001; Yangfei Zheng; et al. (KDD, 2022)

Adaptive Resource Allocation for Satellite Illumination Pattern Design. - Lin Chen 045; Eva Lagunas; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (VTC Fall, 2022)

End-to-End Modeling Hierarchical Time Series Using Autoregressive Transformer and Conditional Normalizing Flow based Reconciliation. - Shiyu Wang 001; Fan Zhou 012; Yinbo Sun; Lintao Ma; James Zhang; Yangfei Zheng; Lei Lei 001; Yun Hu 001 (CoRR, 2022)

Deep Convolutional Self-Attention Network for Energy-Efficient Power Control in NOMA Networks. - Abuzar B. M. Adam; Lei Lei 001; Symeon Chatzinotas; Naveed Ur Rehman Junejo (IEEE Trans. Veh. Technol., 2022)

Joint Optimization of Beam-Hopping Design and NOMA-Assisted Transmission for Flexible Satellite Systems. - Anyue Wang; Lei Lei 001; Eva Lagunas; Ana I. Pérez-Neira; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Wirel. Commun., 2022)

Adapting to Dynamic LEO-B5G Systems: Meta-Critic Learning Based Efficient Resource Scheduling. - Yaxiong Yuan; Lei Lei 001; Thang X. Vu; Zheng Chang 001; Symeon Chatzinotas; Sumei Sun (IEEE Trans. Wirel. Commun., 2022)

SLOTH: Structured Learning and Task-Based Optimization for Time Series Forecasting on Hierarchies. - Fan Zhou 012; Chen Pan; Lintao Ma; Yu Liu 071; Shiyu Wang 001; James Zhang; Xinxin Zhu; Xuanwei Hu; Yunhua Hu; Yangfei Zheng; Lei Lei 001; Hu Yun (AAAI, 2023)

Efficient Federated Learning in Wireless Communication Systems: A Multi-Objective Optimization Perspective. - Yu Zhou 045; Xiaohui Zhao 004; Xuemei Liu; Lei You 002; Lei Lei 001 (ICCC, 2023)

Optimality Analysis and Efficient Scheduling for Massive IoT-LEO Satellite Networks. - Xiaohui Zhao 004; Yaxiong Yuan; Anyue Wang; Tong-Xing Zheng; Lei Lei 001 (SPAWC, 2023)

SLOTH: Structured Learning and Task-based Optimization for Time Series Forecasting on Hierarchies. - Fan Zhou 012; Chen Pan; Lintao Ma; Yu Liu 071; Shiyu Wang 001; James Zhang; Xinxin Zhu; Xuanwei Hu; Yunhua Hu; Yangfei Zheng; Lei Lei 001; Yun Hu 001 (CoRR, 2023)

Multi-Objective Optimization for Bandwidth-Limited Federated Learning in Wireless Edge Systems. - Yu Zhou 045; Xuemei Liu; Lei Lei 001 (IEEE Open J. Commun. Soc., 2023)

Virtual Network Embedding for NGSO Systems: Algorithmic Solution and SDN-Testbed Validation. - Mario Minardi; Thang X. Vu; Lei Lei 001; Christos Politis; Symeon Chatzinotas (IEEE Trans. Netw. Serv. Manag., 2023)

Power Allocation and Beam Illumination Design for Time-Flexible Satellite Systems. - Lin Chen 045; Anyue Wang; Eva Lagunas; Lei Lei 001; Symeon Chatzinotas (CAMAD, 2024)

Symbol-Level Precoding for MU-MIMO System with RIRC Receiver. - Xiao Tong; Ang Li 003; Fan Liu 005; Lei Lei 001 (WCNC, 2024)

Efficient Federated Learning in 6G-Satellite Systems: Deep Reinforcement Learning Based Multi-Objective Optimization. - Yu Zhou 045; Jingjing Guo; Haohui Li; Jinjin Tian; Xiaohui Zhao 004; Lei Lei 001 (WCNC, 2024)

Toward 6G Multicell Orthogonal Time Frequency Space Systems: Interference Coordination and Cooperative Communications. - Zhengquan Zhang; Yuchen Wu; Xianfu Lei; Lei Lei 001; Zhiqiang Wei 001 (IEEE Veh. Technol. Mag., 2024)

Spatial-Temporal Resource Optimization for Uneven-Traffic LEO Satellite Systems: Beam Pattern Selection and User Scheduling. - Lei Lei 001; Anyue Wang; Eva Lagunas; Xin Hu 006; Zhengquan Zhang; Zhiqiang Wei 001; Symeon Chatzinotas (IEEE J. Sel. Areas Commun., 2024)

Decomposition and Meta-DRL Based Multi-Objective Optimization for Asynchronous Federated Learning in 6G-Satellite Systems. - Yu Zhou 045; Lei Lei 001; Xiaohui Zhao 004; Lei You 002; Yaohua Sun; Symeon Chatzinotas (IEEE J. Sel. Areas Commun., 2024)

Symbol-Level Precoding for MU-MIMO System With RIRC Receiver. - Xiao Tong; Ang Li 003; Lei Lei 001; Fan Liu 005; Fuwang Dong (IEEE Trans. Commun., 2024)

Energy Optimization and Lightweight Design for Efficient Federated Learning in Wireless Edge Systems. - Lei Lei 001; Yaxiong Yuan; Yu Zhou 045; Yang Yang 033; Yu Luo 001; Lina Pu; Symeon Chatzinotas (IEEE Trans. Veh. Technol., 2024)

Joint Power Allocation and Beam Scheduling in Beam-Hopping Satellites: A Two-Stage Framework With a Probabilistic Perspective. - Lin Chen 045; Linlong Wu; Eva Lagunas; Anyue Wang; Lei Lei 001; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Wirel. Commun., 2024)

Coordinated Multi-Satellite Transmission for OTFS-Based 6G LEO Satellite Communication Systems. - Zhengquan Zhang; Yuchen Wu; Zheng Ma 001; Xianfu Lei; Lei Lei 001; Zhiqiang Wei 001 (IEEE J. Sel. Areas Commun., 2025)