Search Results for author: Mugen Peng

Found 14 papers, 3 papers with code

UniRS: Unifying Multi-temporal Remote Sensing Tasks through Vision Language Models

1 code implementation30 Dec 2024 Yujie Li, Wenjia Xu, Guangzuo Li, Zijian Yu, Zhiwei Wei, Jiuniu Wang, Mugen Peng

The domain gap between remote sensing imagery and natural images has recently received widespread attention and Vision-Language Models (VLMs) have demonstrated excellent generalization performance in remote sensing multimodal tasks.

Question Answering Scene Classification +1

Sensing-Assisted Beam Tracking with Real-Time Beamwidth Adaptation for THz Communications

no code implementations13 Nov 2024 Wuhan Chen, Yuheng Fan, Chuang Yang, Mugen Peng

Consequently, we propose a sensing-assisted beam tracking scheme with real-time beamwidth adaptation.

Joint Beamforming Design and Satellite Selection for Integrated Communication and Navigation in LEO Satellite Networks

no code implementations25 Oct 2024 Jiajing Li, Binghong Liu, Mugen Peng

Relying on the powerful communication capabilities and rapidly changing geometric configuration, the Low Earth Orbit (LEO) satellites have the potential to offer integrated communication and navigation (ICAN) services.

Detection and Multi-Parameter Estimation for NLOS Targets: An IRS-assisted Framework

no code implementations4 Jul 2024 Zhouyuan Yu, Xiaoling Hu, Chenxi Liu, Qin Tao, Mugen Peng

To address this problem, we first propose a novel detection and direction estimation framework, including a low-overhead hierarchical codebook that allows the IRS to generate three-dimensional beams with adjustable beam direction and width, a delay spectrum peak-based beam training scheme for detection and direction estimation, and a beam refinement scheme for further enhancing the accuracy of the direction estimation.

Hybrid Precoding With Low-Resolution PSs for Wideband Terahertz Communication Systems in The Face of Beam Squint

no code implementations24 Jun 2024 Yang Wang, Chuang Yang, Mugen Peng

Moreover, the beam squint in wideband THz massive MIMO increases the performance degradation because of the frequency independence of the analog PSs.

RS-Agent: Automating Remote Sensing Tasks through Intelligent Agents

no code implementations11 Jun 2024 Wenjia Xu, Zijian Yu, Yixu Wang, Jiuniu Wang, Mugen Peng

An increasing number of models have achieved great performance in remote sensing tasks with the recent development of Large Language Models (LLMs) and Visual Language Models (VLMs).

Language Modeling Language Modelling +5

Monte-Carlo Integration Based Multiple-Scattering Channel Modeling for Ultraviolet Communications in Turbulent Atmosphere

no code implementations6 Jun 2024 Renzhi Yuan, Xinyi Chu, Tao Shan, Mugen Peng

Existing works on the turbulent channel modeling for NLOS UV communications either ignored the turbulence-induced scattering effect or erroneously estimated the turbulent fluctuation effect, resulting in a contradiction with reported experiments.

UAV-VisLoc: A Large-scale Dataset for UAV Visual Localization

1 code implementation20 May 2024 Wenjia Xu, Yaxuan Yao, Jiaqi Cao, Zhiwei Wei, Chunbo Liu, Jiuniu Wang, Mugen Peng

Our dataset includes 6, 742 drone images and 11 satellite maps, with metadata such as latitude, longitude, altitude, and capture date.

Visual Localization

Deep Semantic-Visual Alignment for Zero-Shot Remote Sensing Image Scene Classification

1 code implementation3 Feb 2024 Wenjia Xu, Jiuniu Wang, Zhiwei Wei, Mugen Peng, Yirong Wu

Besides, pioneer ZSL models use convolutional neural networks pre-trained on ImageNet, which focus on the main objects appearing in each image, neglecting the background context that also matters in RS scene classification.

Attribute Image Classification +4

Joint Network Function Placement and Routing Optimization in Dynamic Software-defined Satellite-Terrestrial Integrated Networks

no code implementations21 Oct 2023 Shuo Yuan, Yaohua Sun, Mugen Peng

However, low latency service provisioning is still challenging due to the fast variation of network topology and limited onboard resource at low earth orbit satellites.

Multi-Carrier NOMA-Empowered Wireless Federated Learning with Optimal Power and Bandwidth Allocation

no code implementations13 Feb 2023 Weicai Li, Tiejun Lv, Yashuai Cao, Wei Ni, Mugen Peng

Wireless federated learning (WFL) undergoes a communication bottleneck in uplink, limiting the number of users that can upload their local models in each global aggregation round.

Federated Learning

Secure and Efficient Federated Learning Through Layering and Sharding Blockchain

no code implementations27 Apr 2021 Shuo Yuan, Bin Cao, Yao Sun, Zhiguo Wan, Mugen Peng

Introducing blockchain into Federated Learning (FL) to build a trusted edge computing environment for transmission and learning has attracted widespread attention as a new decentralized learning pattern.

Edge-computing Federated Learning

Optimal Resource Allocation for Delay Minimization in NOMA-MEC Networks

no code implementations11 Sep 2020 Fang Fang, Yanqing Xu, Zhiguo Ding, Chao Shen, Mugen Peng, George K. Karagiannidis

We adopt the partial offloading policy, in which each user can partition its computation task into offloading and locally computing parts.

Edge-computing

Application of Machine Learning in Wireless Networks: Key Techniques and Open Issues

no code implementations24 Sep 2018 Yaohua Sun, Mugen Peng, Yangcheng Zhou, Yuzhe Huang, Shiwen Mao

As a key technique for enabling artificial intelligence, machine learning (ML) is capable of solving complex problems without explicit programming.

BIG-bench Machine Learning Clustering +2

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