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Faced with the massive connection, sporadic transmission, and small-sized data packets in future cellular communication, a grant-free non-orthogonal random access (NORA) system is considered in this paper, which could reduce the access…

Information Theory · Computer Science 2019-10-10 Zhaoji Zhang , Ying Li , Chongwen Huang , Qinghua Guo , Chau Yuen , Yong Liang Guan

The doubly selective (DS) channel estimation in the large-scale multiple-input multiple-output (MIMO) systems is a challenging problem due to the large number of the channel coefficients to be estimated, which requires unaffordable and…

Signal Processing · Electrical Eng. & Systems 2020-04-22 Bo Gong , Lin Gui , Qibo Qin , Xiang Ren , Wen Chen

In this work, we address the problem of long-distance navigation for battery electric vehicles (BEVs), where one or more charging sessions are required to reach the intended destination. We consider the availability and performance of the…

Machine Learning · Computer Science 2023-01-19 Niklas Åkerblom , Morteza Haghir Chehreghani

We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperatively tries to exploit vacancies in primary (licensed)…

Networking and Internet Architecture · Computer Science 2010-02-06 Jayakrishnan Unnikrishnan , Venugopal Veeravalli

This paper presents BEASST (Behavioral Entropic Gradient-based Adaptive Source Seeking for Mobile Robots), a novel framework for robotic source seeking in complex, unknown environments. Our approach enables mobile robots to efficiently…

Robotics · Computer Science 2025-12-16 Donipolo Ghimire , Aamodh Suresh , Carlos Nieto-Granda , Solmaz S. Kia

Analytical modeling of field-assisted molecular communication under dynamic electric fields is fundamentally challenging due to the coupling between stochastic transport and complex boundary geometries, which renders conventional partial…

Information Theory · Computer Science 2026-04-02 Po-Chun Chou , Yen-Chi Lee , Chun-An Yang , Chia-Han Lee , Ping-Cheng Yeh

Multi-access edge computing (MEC) is regarded as a promising technology in the sixth-generation communication. However, the antenna gain is always affected by the environment when unmanned aerial vehicles (UAVs) are served as MEC platforms,…

Networking and Internet Architecture · Computer Science 2023-03-14 Can Cui , Ziye Jia , Chao Dong , Zhuang Ling , Jiahao You , Qihui Wu

Biological signals, such as electroencephalograms (EEGs) and electrocardiograms (ECGs), play a pivotal role in numerous clinical practices, such as diagnosing brain and cardiac arrhythmic diseases. Existing methods for biosignal…

Machine Learning · Computer Science 2025-03-26 Jian Qian , Teck Lun Goh , Bingyu Xie , Chengyao Zhu , Biao Wan , Yawen Guan , Rachel Ding Chen , Patrick Yin Chiang

Unmanned aerial vehicles (UAVs) have emerged as the potential aerial base stations (BSs) to improve terrestrial communications. However, the limited onboard energy and antenna power of a UAV restrict its communication range and transmission…

Neural and Evolutionary Computing · Computer Science 2025-02-11 Geng Sun , Jian Xiao , Jiahui Li , Jiacheng Wang , Jiawen Kang , Dusit Niyato , Shiwen Mao

Autonomous driving systems face significant challenges in perceiving complex environments and making real-time decisions. Traditional modular approaches, while offering interpretability, suffer from error propagation and coordination…

Artificial Intelligence · Computer Science 2025-08-11 Siyi Lu , Run Liu , Dongsheng Yang , Lei He

This paper presents a hybrid motion planning strategy that combines a deep generative network with a conventional motion planning method. Existing planning methods such as A* and Hybrid A* are widely used in path planning tasks because of…

Robotics · Computer Science 2021-11-17 Dongchan Kim , Kunsoo Huh

Backscatter communication (BC) becomes a promising energy-efficient solution for future wireless sensor networks (WSNs). Unmanned aerial vehicles (UAVs) enable flexible data collection from remote backscatter devices (BDs), yet conventional…

Signal Processing · Electrical Eng. & Systems 2024-11-22 Yu Bai , Boxuan Xie , Ruifan Zhu , Zheng Chang , Riku Jantti

In this paper, a novel machine learning (ML) framework is proposed for enabling a predictive, efficient deployment of unmanned aerial vehicles (UAVs), acting as aerial base stations (BSs), to provide on-demand wireless service to cellular…

Signal Processing · Electrical Eng. & Systems 2018-05-02 Qianqian Zhang , Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

In this paper, we consider a hybrid mobile edge computing (H-MEC) platform, which includes ground stations (GSs), ground vehicles (GVs) and unmanned aerial vehicle (UAVs), all with mobile edge cloud installed to enable user equipments (UEs)…

Signal Processing · Electrical Eng. & Systems 2019-11-22 Feibo Jiang , Kezhi Wang , Li Dong , Cunhua Pan , Wei Xu , Kun Yang

Probing beam measurement (PBM)-based hybrid beamforming provides a feasible solution for cell-free MIMO. In this letter, we propose a novel probing beam optimization framework where three collaborative modules respectively realize PBM…

Information Theory · Computer Science 2024-09-23 Cheng Zhang , Shuangbo Xiong , Mengqing He , Lan Wei , Yongming Huang , Wei Zhang

Learning high-level navigation behaviors has important implications: it enables robots to build compact visual memory for repeating demonstrations and to build sparse topological maps for planning in novel environments. Existing approaches…

Robotics · Computer Science 2021-02-22 Xiangyun Meng , Yu Xiang , Dieter Fox

Electric Vehicles (EVs) are becoming increasingly prevalent nowadays, with studies highlighting their potential as mobile energy storage systems to provide grid support. Realising this potential requires effective charging coordination,…

Systems and Control · Electrical Eng. & Systems 2025-07-22 Jun Kang Yap , Vishnu Monn Baskaran , Wen Shan Tan , Ze Yang Ding , Hao Wang , David L. Dowe

In this paper, we investigate dynamic channel and rate selection in cognitive radio systems which exploit a large number of channels free from primary users. In such systems, transmitters may rapidly change the selected (channel, rate) pair…

Information Theory · Computer Science 2014-05-13 Richard Combes , Alexandre Proutiere

Platooning strategy is an important part of autonomous driving technology. Due to the limited resource of autonomous vehicles in platoons, mobile edge computing (MEC) is usually used to assist vehicles in platoons to obtain useful…

Networking and Internet Architecture · Computer Science 2021-08-11 Qiong Wu , Ziyang Wan , Qiang Fan , Pingyi Fan , Jiangzhou Wang

The emergence of large-scale wireless networks with partially-observable and time-varying dynamics has imposed new challenges on the design of optimal control policies. This paper studies efficient scheduling algorithms for wireless…

Networking and Internet Architecture · Computer Science 2023-08-08 Quang Minh Nguyen , Eytan Modiano