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 • 25 Oct 2023 • Xiucheng Wang, Nan Cheng, Longfei Ma, Zhisheng Yin, Tom. Luan, Ning Lu
Two cascade neural networks (NN) are used to optimize the joint number of virtually generated UAVs, the DT construction cost, and the performance of multi-UAV networks.
no code implementations • 28 Aug 2023 • Zhaowei Wang, Zhisheng Yin, Xiucheng Wang, Nan Cheng, Yuan Zhang, Tom H. Luan
Considering the inherent co-channel interference due to spectrum sharing among multi-tier access networks in SAGIN, it can be leveraged to assist the physical layer security among heterogeneous transmissions.
no code implementations • 26 Aug 2023 • Jinglong Shen, Xiucheng Wang, Nan Cheng, Longfei Ma, Conghao Zhou, Yuan Zhang
As a promising paradigm federated Learning (FL) is widely used in privacy-preserving machine learning, which allows distributed devices to collaboratively train a model while avoiding data transmission among clients.
no code implementations • 15 Aug 2023 • Longfei Ma, Nan Cheng, Xiucheng Wang, Zhisheng Yin, Haibo Zhou, Wei Quan
To fully leverage the high performance of traditional model-based methods and the low complexity of the NN-based method, a knowledge distillation (KD) based algorithm distillation (AD) method is proposed in this paper to improve the performance and convergence speed of the NN-based method, where traditional SINR optimization methods are employed as ``teachers" to assist the training of NNs, which are ``students", thus enhancing the performance of unsupervised and reinforcement learning techniques.
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.
no code implementations • 5 Jul 2023 • Yunhao Quan, Nan Cheng, Xiucheng Wang, Jinglong Shen, Longfei Ma, Zhisheng Yin
Unmanned aerial vehicles (UAVs) have gained popularity due to their flexible mobility, on-demand deployment, and the ability to establish high probability line-of-sight wireless communication.
Collision Avoidance Explainable Artificial Intelligence (XAI)
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 • 26 May 2023 • Conghao Zhou, Jie Gao, Mushu Li, Nan Cheng, Xuemin Shen, Weihua Zhuang
In this paper, we design a 3D map management scheme for edge-assisted mobile augmented reality (MAR) to support the pose estimation of individual MAR device, which uploads camera frames to an edge server.
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.
no code implementations • 13 Feb 2023 • Longxin Wang, Saugat Tripathi, Ran Zhang, Nan Cheng, Miao Wang
This work studies optimal solar charging for solar-powered self-sustainable UAV communication networks, considering the day-scale time-variability of solar radiation and user service demand.
no code implementations • 2 Jan 2023 • Wen Wu, Ning Zhang, Nan Cheng, Yujie Tang, Khalid Aldubaikhy, Xuemin, Shen
In this paper, we propose a device-to-device (D2D) assisted cooperative edge caching (DCEC) policy for millimeter (mmWave) dense networks, which cooperatively utilizes the cache resource of users and SBSs in proximity.
no code implementations • 2 Jan 2023 • Wen Wu, Nan Cheng, Ning Zhang, Peng Yang, Khalid Aldubaikhy, Xuemin, Shen
Since the derived BF training efficiency is an implicit function, to reveal the relationship between system parameters and BF training performance, we also derive an approximate expression of BF training efficiency.
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.
1 code implementation • 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 • Xiucheng Wang, Longfei Ma, Haocheng Li, Zhisheng Yin, Tom. Luan, Nan Cheng
We use DT to simulate the results of different decisions made by the agent, so that one agent can try multiple actions at a time, or, similarly, multiple agents can interact with environment in parallel in DT.
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.
no code implementations • 4 Oct 2020 • Conghao Zhou, Wen Wu, Hongli He, Peng Yang, Feng Lyu, Nan Cheng, Xuemin, Shen
Our objective is to design a task scheduling policy that minimizes offloading and computing delay of all tasks given the UAV energy capacity constraint.
no code implementations • 2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) 2019 • Conghao Zhou, Hongli He, Peng Yang, Feng Lyu, WenWu, Nan Cheng, and Xuemin (Sherman) Shen
Due to the flexibility and low deployment cost, unmanned aerial vehicles (UAVs) have been widely used to assist cellular networks in providing extended coverage for Internet of Things (IoT) networks.
no code implementations • 7 Sep 2019 • Wen Wu, Nan Cheng, Ning Zhang, Peng Yang, Weihua Zhuang, Xuemin, Shen
Beam alignment (BA) is to ensure the transmitter and receiver beams are accurately aligned to establish a reliable communication link in millimeter-wave (mmwave) systems.