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Direct-to-satellite (DtS) communication has gained importance recently to support globally connected Internet of things (IoT) networks. However, relatively long distances of densely deployed satellite networks around the Earth cause a high…

Networking and Internet Architecture · Computer Science 2022-07-26 Kürşat Tekbıyık , Güneş Karabulut Kurt , Ali Rıza Ekti , Halim Yanikomeroglu

Reconfigurable Intelligent Surface (RIS) has emerged as one of the key technologies for 6G in recent years, which comprise a large number of low-cost passive elements that can smartly interact with the impinging electromagnetic waves for…

Networking and Internet Architecture · Computer Science 2020-09-02 Baoling Sheen , Jin Yang , Xianglong Feng , Md Moin Uddin Chowdhury

In wireless networks, an essential step for precise range-based localization is the high-resolution estimation of multipath channel delays. The resolution of traditional delay estimation algorithms is inversely proportional to the bandwidth…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Tarik Kazaz , Gerard J. M. Janssen , Jac Romme , Alle-Jan Van der Veen

In time-critical wireless sensor network (WSN) applications, a high degree of reliability is commonly required. A dynamical jumping real-time fault-tolerant routing protocol (DMRF) is proposed in this paper. Each node utilizes the remaining…

Networking and Internet Architecture · Computer Science 2010-04-15 Guowei Wu , Chi Lin , Feng Xia , Lin Yao , He Zhang , Bing Liu

The open radio access network (O-RAN) architecture supports intelligent network control algorithms as one of its core capabilities. Data-driven applications incorporate such algorithms to optimize radio access network (RAN) functions via…

Networking and Internet Architecture · Computer Science 2023-09-20 Ahmad M. Nagib , Hatem Abou-Zeid , Hossam S. Hassanein

The synchronization of digital twins (DT) serves as the cornerstone for effective operation of the DT framework. However, the limitations of channel capacity can greatly affect the data transmission efficiency of wireless communication.…

Emerging Technologies · Computer Science 2025-03-07 Bin Li , Haichen Cai , Lei Liu , Zesong Fei

Digital twin (DT) technologies have emerged as a solution for real-time data-driven modeling of cyber physical systems (CPS) using the vast amount of data available by Internet of Things (IoT) networks. In this position paper, we elucidate…

Networking and Internet Architecture · Computer Science 2022-04-12 Jithin Jagannath , Keyvan Ramezanpour , Anu Jagannath

Precisely modeling radio propagation in dynamic wireless environments is fundamental to the realization of wireless digital twins. Traditional ray tracing methods rely on accurate 3D models with detailed environment parameters, while recent…

Networking and Internet Architecture · Computer Science 2026-04-28 Yuru Zhang , Ming Zhao , Qiang Liu , Ahmed Alkhateeb , Abhishek K. Agrawal , Qi Qu

The concept of creating a virtual copy of a complete Cyber-Physical System opens up numerous possibilities, including real-time assessments of the physical environment and continuous learning from the system to provide reliable and precise…

Artificial Intelligence · Computer Science 2023-11-22 Carine Menezes Rebello , Johannes Jäschkea , Idelfonso B. R. Nogueira

Correct radar data fusion depends on knowledge of the spatial transform between sensor pairs. Current methods for determining this transform operate by aligning identifiable features in different radar scans, or by relying on measurements…

Robotics · Computer Science 2023-08-30 Qilong Cheng , Emmett Wise , Jonathan Kelly

In four-dimensional scanning transmission electron microscopy (4D STEM) a focused beam is scanned over a specimen and a diffraction pattern is recorded at each position using a pixelated detector. During the experiment, it must be ensured…

Task scheduling is a critical problem when one user offloads multiple different tasks to the edge server. When a user has multiple tasks to offload and only one task can be transmitted to server at a time, while server processes tasks…

Machine Learning · Computer Science 2022-08-05 Xiucheng Wang , Longfei Ma , Haocheng Li , Zhisheng Yin , Tom. Luan , Nan Cheng

Site-specific radio frequency (RF) propagation prediction increasingly relies on models built from visual data such as cameras and LIDAR sensors. When operating in dynamic settings, the environment may only be partially observed. This paper…

Robotics · Computer Science 2022-07-05 Mingsheng Yin , Yaqi Hu , Tommy Azzino , Seongjoon Kang , Marco Mezzavilla , Sundeep Rangan

In this paper, we investigate user equipment (UE)-radio access technology (RAT) association and bandwidth assignment to maximize sum-rates in a multi-RAT network. To this end, we formulate an optimization problem that jointly addresses UE…

Systems and Control · Electrical Eng. & Systems 2025-09-30 Manobendu Sarker , Md. Zoheb Hassan , Georges Kaddoum

An evolution of Wireless Communications towards 5G and beyond provides improved user experience in terms of quality of services. Understanding and estimating Channel information plays crucial role in providing better user experience.…

Signal Processing · Electrical Eng. & Systems 2026-05-05 A. Sathi Babu , V. Udaya Sankar , Vishnu Ram OV

Owing to the openness of wireless channels, wireless communication systems are highly susceptible to malicious jamming. Most existing anti-jamming methods rely on the assumption of accurate sensing and optimize parameters on a single…

Information Theory · Computer Science 2025-11-06 Haoqin Zhao , Zan Li , Jiangbo Si , Rui Huang , Hang Hu , Tony Q. S. Quek , Naofal Al-Dhahir

Site-specific channel inference plays a critical role in the design and evaluation of next-generation wireless communication systems by considering the surrounding propagation environment. However, traditional methods are unscalable.…

Image and Video Processing · Electrical Eng. & Systems 2026-04-14 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Bo Ai , Zhangdui Zhong

Urban railway systems increasingly rely on communication based train control (CBTC) systems, where optimal deployment of access points (APs) in tunnels is critical for robust wireless coverage. Traditional methods, such as empirical…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Kunyu Wu , Qiushi Zhao , Zihan Feng , Yunxi Mu , Hao Qin , Xinyu Zhang , Xingqi Zhang

Contactless sensing using wireless communication signals has garnered significant attention due to its non-intrusive nature and ubiquitous infrastructure. Despite the promise, the inherent bistatic deployment of wireless communication…

Information Theory · Computer Science 2026-03-10 Wenwei Li , Jiarun Zhou , Qinxiao Quan , Fusang Zhang , Daqing Zhang

Distribution system state estimation (DSSE) is paramount for effective state monitoring and control. However, stochastic outputs of renewables and asynchronous streaming of multi-rate measurements in practical systems largely degrade the…

Systems and Control · Electrical Eng. & Systems 2023-10-23 Ying Zhang , Junbo Zhao , Di Shi , Sungjoo Chung