105 citations · 198 across the 23 of their papers we have counts for
23 papers
Indirect and Direct Multiuser Hybrid Beamforming for Far-Field and Near-Field Communications: A Deep Learning Approach
Xinyang Li, Songjie Yang, Boyu Ning +3
Hybrid beamforming for extremely large-scale multiple-input multiple-output (XL-MIMO) systems is challenging in the near field because the channel depends jointly on angle and dist…
Flexible WMMSE Beamforming for MU-MIMO Movable Antenna Communications
Songjie Yang, Zihang Wan, Yue Xiu +4
Movable antennas offer new potential for wireless communication by introducing degrees of freedom in antenna positioning, which has recently been explored for improving sum rates.…
Modeling and Optimization for Flexible Cylindrical Arrays-Enabled Wireless Communications
Songjie Yang, Jiahe Guo, Zilin He +5
Flexible-geometry arrays have garnered much attention in wireless communications, which dynamically adjust wireless channels to improve the system performance. In this paper, we pr…
Flexible Intelligent Metasurface-Aided Wireless Communications: Architecture and Performance
Songjie Yang, Zihang Wan, Boyu Ning +4
Typical reconfigurable intelligent surface (RIS) implementations include metasurfaces with almost passive unit elements capable of reflecting their incident waves in controllable w…
Flexible Cylindrical Arrays with Movable Antennas for MISO System: Beamforming and Position Optimization
Jiahe Guo, Songjie Yang, Xiangyu Dong +4
As wireless communication advances toward the 6G era, the demand for ultra-reliable, high-speed, and ubiquitous connectivity is driving the exploration of new degrees-of-freedom (D…
Movable Antenna-Assisted Integrated Sensing and Communication Systems
Chengjun Jiang, Chensi Zhang, Chongwen Huang +3
Movable antennas (MAs) enhance flexibility in beamforming gain and interference suppression by adjusting position within certain areas of the transceivers. In this paper, we propos…
Movable Antenna Enabled Integrated Sensing and Communication
Wanting Lyu, Songjie Yang, Yue Xiu +3
In this paper, we investigate a novel integrated sensing and communication (ISAC) system aided by movable antennas (MAs). A bistatic radar system, in which the base station (BS) is…
Movable Antenna-Enhanced Wireless Communications: General Architectures and Implementation Methods
Boyu Ning, Songjie Yang, Yafei Wu +4
Movable antennas (MAs), traditionally explored in antenna design, have recently garnered significant attention in wireless communications due to their ability to dynamically adjust…
RIS-assisted Coverage Enhancement in mmWave Integrated Sensing and Communication Networks
Xu Gan, Chongwen Huang, Zhaohui Yang +6
Integrated sensing and communication (ISAC) has emerged as a promising technology to facilitate high-rate communications and super-resolution sensing, particularly operating in the…
Extremely Large-Scale Dynamic Metasurface Antennas (XL-DMAs): Near-Field Modeling and Channel Estimation
Songjie Yang, Wanting Lyu, Boyu Ning +5
Dynamic metasurface antennas (DMAs) represent a novel transceiver array architecture for extremely large-scale (XL) communications, offering the advantages of reduced power consump…
Flexible Antenna Arrays for Wireless Communications: Modeling and Performance Evaluation
Songjie Yang, Jiancheng An, Yue Xiu +5
Flexible antenna arrays (FAAs), distinguished by their rotatable, bendable, and foldable properties, are extensively employed in flexible radio systems to achieve customized radiat…
Near-Field Channel Estimation for Extremely Large-Scale Terahertz Communications
Songjie Yang, Yizhou Peng, Wanting Lyu +4
Future Terahertz communications exhibit significant potential in accommodating ultra-high-rate services. Employing extremely large-scale array antennas is a key approach to realize…
Flexible Beamforming for Movable Antenna-Enabled Integrated Sensing and Communication
Wanting Lyu, Songjie Yang, Yue Xiu +3
This paper investigates flexible beamforming design in an integrated sensing and communication (ISAC) network with movable antennas (MAs). A bistatic radar system is integrated int…
RIS-Enabled Joint Near-Field 3D Localization and Synchronization in SISO Multipath Environments
Han Yan, Hua Chen, Wei Liu +3
Reconfigurable Intelligent Surfaces (RIS) show great promise in the realm of 6th generation (6G) wireless systems, particularly in the areas of localization and communication. Thei…
Flexible Precoding for Multi-User Movable Antenna Communications
Songjie Yang, Wanting Lyu, Boyu Ning +2
This letter rethinks traditional precoding in multi-user wireless communications with movable antennas (MAs). Utilizing MAs for optimal antenna positioning, we introduce a sparse o…
Graph Attention-based Reinforcement Learning for Trajectory Design and Resource Assignment in Multi-UAV Assisted Communication
Zikai Feng, Di Wu, Mengxing Huang +1
In the multiple unmanned aerial vehicle (UAV)- assisted downlink communication, it is challenging for UAV base stations (UAV BSs) to realize trajectory design and resource assignme…
CRB Minimization for RIS-aided mmWave Integrated Sensing and Communications
Wanting Lyu, Songjie Yang, Yue Xiu +4
In this paper, reconfigurable intelligent surface (RIS) is employed in a millimeter wave (mmWave) integrated sensing and communications (ISAC) system. To alleviate the multi-hop at…
Learning Decentralized Traffic Signal Controllers with Multi-Agent Graph Reinforcement Learning
Yao Zhang, Zhiwen Yu, Jun Zhang +4
This paper considers optimal traffic signal control in smart cities, which has been taken as a complex networked system control problem. Given the interacting dynamics among traffi…
3D Multi-Target Localization Via Intelligent Reflecting Surface: Protocol and Analysis
Meng Hua, Guangji Chen, Kaitao Meng +3
With the emerging environment-aware applications, ubiquitous sensing is expected to play a key role in future networks. In this paper, we study a 3-dimensional (3D) multi-target lo…
Enhancing Near-Field Sensing and Communications with Sparse Arrays: Potentials, Challenges, and Emerging Trends
Songjie Yang, Wanting Lyu, Zhongpei Zhang +1
As a promising technique, extremely large-scale (XL)-arrays offer potential solutions for overcoming the severe path loss in millimeter-wave (mmWave) and TeraHertz (THz) channels,…
Performance Bounds for Near-Field Localization with Widely-Spaced Multi-Subarray mmWave/THz MIMO
Songjie Yang, Xinyi Chen, Yue Xiu +3
This paper investigates the potential of near-field localization using widely-spaced multi-subarrays (WSMSs) and analyzing the corresponding angle and range Cramér-Rao bounds (CRBs…
A Multi-Head Ensemble Multi-Task Learning Approach for Dynamical Computation Offloading
Ruihuai Liang, Bo Yang, Zhiwen Yu +3
Computation offloading has become a popular solution to support computationally intensive and latency-sensitive applications by transferring computing tasks to mobile edge servers…
Smart Radio Environments Empowered by AI Reconfigurable Meta-Surfaces: An Idea Whose Time Has Come
Marco Di Renzo, Merouane Debbah, Dinh-Thuy Phan-Huy +11
Future wireless networks are expected to constitute a distributed intelligent wireless communications, sensing, and computing platform, which will have the challenging requirement…