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The upcoming generations of wireless technologies promise an era where everything is interconnected and intelligent. As the need for intelligence grows, networks must learn to better understand the physical world. However, deploying…

Interference-aware resource allocation of time slots and frequency channels in single-antenna, halfduplex radio wireless sensor networks (WSN) is challenging. Devising distributed algorithms for such task further complicates the problem.…

Information Theory · Computer Science 2017-03-21 Panos N. Alevizos , Efthymios A. Vlachos , Aggelos Bletsas

A segmented waveguide-enabled pinching-antenna system (SWAN)-assisted over-the-air computation (AirComp) framework is proposed. Three transmission architectures, namely segment selection (SS), phase-shifter-free segment aggregation (SA),…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Songnan Gu , Hao Jiang , Chongjun Ouyang , Dian Fan , Yuanwei Liu , Arumugam Nallanathan

In existing semantic communication systems for image transmission, some images are generally reconstructed with considerably low quality. As a result, the reliable transmission of each image cannot be guaranteed, bringing significant…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Radio-frequency wireless energy transfer (WET) is a promising technology to realize wireless-powered underground sensor networks (WPUSNs) and enable sustainable underground monitoring. However, due to the severe attenuation in harsh…

Information Theory · Computer Science 2023-05-17 Kaiqiang Lin , Onel Luis Alcaraz López , Hirley Alves , Tong Hao

Developing low-power wide-area network (LPWAN) solutions that are efficient to adopt, deploy and maintain are vital for smart cities. The poor quality-of-service of unlicensed LPWAN, and the high service cost of LTE-M/NB-IoT are key…

Networking and Internet Architecture · Computer Science 2021-06-01 Alvin Ramoutar , Zohreh Motamedi , Mouhamed Abdulla

Next-generation wireless technologies (for immersive-massive communication, joint communication and sensing) demand highly parallel architectures for massive data processing. A common architectural template scales up by grouping tens to…

Hardware Architecture · Computer Science 2025-07-08 Samuel Riedel , Yichao Zhang , Marco Bertuletti , Luca Benini

Recently, a novel structures of reconfigurable intelligent surface (RIS) integrating both passive and active elements, termed reconfigurable intelligent sensing surface (RISS), efficiently addresses challenges in RIS channel estimation and…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang

This paper concerns with the synchronization of infrastructure impoverished sensor networks under harsh conditions. It suggests three novel asynchronous, decentralized, energyefficient time synchronization protocols. The protocols require…

Signal Processing · Electrical Eng. & Systems 2018-11-06 Ramadan Abdul-Rashid , Ali Al-Shaikhi , Ahmad Masoud

Infrared small target detection (IRSTD) is thus critical in both civilian and military applications. This study addresses the challenge of precisely IRSTD in complex backgrounds. Recent methods focus fundamental reliance on conventional…

Image and Video Processing · Electrical Eng. & Systems 2025-08-05 Yuxin Jing , Jufeng Zhao , Tianpei Zhang , Yiming Zhu

This paper studies a multi-hop decode-and-forward (DF) simultaneous wireless information and power transfer (SWIPT) system where a source sends data to a destination with the aid of multi-hop relays which do not depend on an external energy…

Information Theory · Computer Science 2019-08-28 Derek Kwaku Pobi Asiedu , Hoon Lee , Kyoung-Jae Lee

In this paper, we consider a distributed joint sensing and communication (DJSC) system in which multiple radar sensors are deployed. Each sensor is equipped with a sensing function and a communication function, and thus it is a JSC node.…

Networking and Internet Architecture · Computer Science 2021-11-09 Trung Thanh Nguyen , Khaled Elbassioni , Nguyen Cong Luong , Dusit Niyato , Dong In Kim

A key requirement in robotics is the ability to simultaneously self-localize and map a previously unknown environment, relying primarily on onboard sensing and computation. Achieving fully onboard accurate simultaneous localization and…

Robotics · Computer Science 2024-08-28 Vlad Niculescu , Tommaso Polonelli , Michele Magno , Luca Benini

The rising demand for sustainable IoT has promoted the adoption of battery-free devices intermittently powered by ambient energy for sensing. However, the intermittency poses significant challenges in sensing data collection. Despite recent…

Networking and Internet Architecture · Computer Science 2024-07-23 Gaosheng Liu , Lin Wang

Future Internet of Things (IoT) applications will require that billions of wireless devices transmit data to the cloud frequently. However, the wireless medium access is pointed as a problem for the next generations of wireless networks;…

Networking and Internet Architecture · Computer Science 2017-09-01 Gabriel Martins Dias , Boris Bellalta , Simon Oechsner

Energy-efficient communication is an important issue in wireless sensor networks (WSNs) consisting of large number of energy-constrained sensor nodes. Indeed, sensor nodes have different energy budgets assigned to data transmission at…

Information Theory · Computer Science 2014-01-17 Mohammed F. A. Ahmed , Sergiy A. Vorobyov

Collecting sensor data in industrial environments from up to some tenth of battery powered sensor nodes with sampling rates up to 100Hz requires energy aware protocols, which avoid collisions and long listening phases. The IEEE 802.15.4…

Networking and Internet Architecture · Computer Science 2014-06-09 Achim Berger , Markus Pichler , Werner Haslmayr , Andreas Springer

In long-term deployments of sensor networks, monitoring the quality of gathered data is a critical issue. Over the time of deployment, sensors are exposed to harsh conditions, causing some of them to fail or to deliver less accurate data.…

Neural and Evolutionary Computing · Computer Science 2009-12-05 Oliver Obst

In this paper, we propose a unified SWIPT signal and its architecture design in order to take advantage of both single tone and multi-tone signaling by adjusting only the power allocation ratio of a unified signal. For this, we design a…

Information Theory · Computer Science 2021-06-29 Jong Jin Park , Jong Ho Moon , Hyeon Ho Jang , Dong In Kim

In this paper, we propose a dynamic spectrum sensing-based architecture to provide connectivity for a massive number of Internet-of-things (IoT) objects over the unlicensed spectrum. Specifically, the architecture relies on deploying…

Signal Processing · Electrical Eng. & Systems 2018-12-07 Ghaith Hattab , Danijela Cabric