no code implementations • 22 Apr 2025 • Xiucheng Wang, Qiming Zhang, Nan Cheng, Ruijin Sun, Zan Li, Shuguang Cui, Xuemin Shen
To address these fundamental limitations, we propose a novel physics-inspired RM construction method guided explicitly by the Helmholtz equation, which inherently governs EM wave propagation.
no code implementations • 19 Apr 2025 • Xiucheng Wang, Zhongsheng Fang, Nan Cheng, Ruijin Sun, Zan Li, Xuemin, Shen
While sparse measurement techniques reduce data collection, the impact of noise in sparse data on RM accuracy is not well understood.
no code implementations • 25 Feb 2024 • Ruijin Sun, Yao Wen, Nan Cheng, Wei Wan, Rong Chai, Yilong Hui
Task offloading is a potential solution to satisfy the strict requirements of computation-intensive and latency-sensitive vehicular applications due to the limited onboard computing resources.
no code implementations • 15 Jan 2024 • Ruijin Sun, Nan Cheng, Changle Li, Fangjiong Chen, Wen Chen
The resulting large-scale complicated network optimization problems are beyond the capability of model-based theoretical methods due to the overwhelming computational complexity and the long processing time.
no code implementations • 4 Aug 2023 • Ruijin Sun, Xiao Yang, Nan Cheng, Xiucheng Wang, Changle Li
By offloading computation-intensive tasks of vehicles to roadside units (RSUs), mobile edge computing (MEC) in the Internet of Vehicles (IoV) can relieve the onboard computation burden.
no code implementations • 12 Jul 2023 • Hao Yang, Nan Cheng, Ruijin Sun, Wei Quan, Rong Chai, Khalid Aldubaikhy, Abdullah Alqasir, Xuemin Shen
This paper proposes an novel knowledge-driven approach for resource allocation in device-to-device (D2D) networks using a graph neural network (GNN) architecture.
1 code implementation • 15 Jun 2023 • Xiucheng Wang, Nan Cheng, Lianhao Fu, Wei Quan, Ruijin Sun, Yilong Hui, Tom Luan, Xuemin Shen
However, the dynamics of edge networks raise two challenges in neural network (NN)-based optimization methods: low scalability and high training costs.
no code implementations • 10 Mar 2023 • Xiucheng Wang, Nan Cheng, Longfei Ma, Ruijin Sun, Rong Chai, Ning Lu
In this paper, to deal with the heterogeneity in federated learning (FL) systems, a knowledge distillation (KD) driven training framework for FL is proposed, where each user can select its neural network model on demand and distill knowledge from a big teacher model using its own private dataset.
1 code implementation • 2 Nov 2022 • Ziyou Ren, Nan Cheng, Ruijin Sun, Xiucheng Wang, Ning Lu, Wenchao Xu
Multiple-input multiple-output and orthogonal frequency-division multiplexing (MIMO-OFDM) are the key technologies in 4G and subsequent wireless communication systems.
3 code implementations • Remote Sensing 2022 • Xiucheng Wang, Lianhao Fu, Nan Cheng, Ruijin Sun, Tom Luan, Wei Quan, Khalid Aldubaikhy
In the training procedure, we design a reinforcement learning-based relay GNN (RGNN) to select the best relay path for each user.
no code implementations • 2 Aug 2022 • Longfei Ma, Nan Cheng, Xiucheng Wang, Ruijin Sun, Ning Lu
On-demand service provisioning is a critical yet challenging issue in 6G wireless communication networks, since emerging services have significantly diverse requirements and the network resources become increasingly heterogeneous and dynamic.