8 papers
Convergence-Latency-Aware Adaptive Modulation and Resource Allocation in RIS-Assisted Wireless Federated Learning
Liwei Wang, Wen Chen, Jun Li +4
Federated learning (FL) over wireless networks suffers from significant training latency and degraded convergence due to unreliable wireless transmission, especially under blocked…
On Efficient V-BLAST Detection: Recursive and Hybrid Schemes
Hufei Zhu, Yanyang Liang, Yanze Zhu +7
This paper investigates low-complexity and memoryefficient detection for vertical Bell Laboratories layered spacetime architecture (V-BLAST), where recursive and square-root implem…
Intelligent Reflecting Surfaces for Integrated Sensing and Communications: From System Coexistence to Networked Mutualism
Qingqing Wu, Qiaoyan Peng, Ziheng Zhang +10
The rapid development of sixth-generation (6G) wireless networks requires seamless integration of communication and sensing to support ubiquitous intelligence and real-time, high-r…
Analysis and Algorithm for Multi IRS Collaborative Localization via Hybrid Time Angle Estimation
Ziheng Zhang, Wen Chen, Qingqing Wu +3
This paper proposes a novel multiple intelligent reflecting surfaces (IRSs) collaborative hybrid localization system, which involves deploying multiple IRSs near the target area an…
Energy-Efficient UAV-Enabled MEC Systems: NOMA, FDMA, or TDMA Offloading?
Qingjie Wu, Miao Cui, Guangchi Zhang +3
Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still u…
Analysis and Optimization of Wireless Multimodal Federated Learning on Modal Heterogeneity
Xuefeng Han, Wen Chen, Jun Li +6
Multimodal federated learning (MFL) is a distributed framework for training multimodal models without uploading local multimodal data of clients, thereby effectively protecting cli…