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LoRa networks have been deployed all over the world and are a major enabling wireless technology for the Internet of Things (IoT). Massive connectivity applications such as smart metering, agriculture, and supply chain \& logistics are most…

Networking and Internet Architecture · Computer Science 2021-02-04 Orestis Georgiou , Constantinos Psomas , Eleni Demarchou , Ioannis Krikidis

Data aggregation is an effective solution to enable cellular support of Internet-of-things (IoT) communications. Indeed, it helps alleviate channel congestion, reduce the communication range, and extend battery-lifetime. In this paper, we…

Information Theory · Computer Science 2018-12-06 Ghaith Hattab , Danijela Cabric

An IoT (Internet of things) system supports a massive number of IoT devices wirelessly. We show how to use Cell-Free Massive MIMO (multiple-input and multiple-output) to provide a scalable and energy efficient IoT system. We employ optimal…

Systems and Control · Electrical Eng. & Systems 2020-11-17 Hangsong Yan , Alexei Ashikhmin , Hong Yang

The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional…

Information Theory · Computer Science 2015-01-06 Xiao Lu , Ian Flint , Dusit Niyato , Nicolas Privault , Ping Wang

Billions of sensors are expected to be connected to the Internet through the emerging Internet of Things (IoT) technologies. Many of these sensors will primarily be connected using wireless technologies powered using batteries as their sole…

We study decentralized estimation of time-varying signals at a fusion center, when energy harvesting sensors transmit sampled data over rate-constrained links. We propose dynamic strategies to select radio parameters, sampling set, and…

Signal Processing · Electrical Eng. & Systems 2020-08-05 C. Battiloro , P. Di Lorenzo , P. Banelli , S. Barbarossa

We optimize resource allocation to enable communication security in simultaneous wireless information and power transfer (SWIPT) for internet-of-things (IoT) networks. The resource allocation algorithm design is formulated as a non-convex…

Information Theory · Computer Science 2017-01-30 Elena Boshkovska , Nikola Zlatanov , Linglong Dai , Derrick Wing Kwan Ng , Robert Schober

To enhance wireless communication in IoT systems using reconfigurable intelligent surfaces (RISs), efficient control of programmable passive and active elements is essential. However, increasing RIS elements requires more microcontrollers,…

Information Theory · Computer Science 2025-02-14 Shakil Ahmed , Ahmed E. Kamal , Mohamed Y. Selim

Energy harvesting offers an attractive and promising mechanism to power low-energy devices. However, it alone is insufficient to enable an energy-neutral operation, which can eliminate tedious battery charging and replacement requirements.…

Systems and Control · Electrical Eng. & Systems 2021-09-13 Yigit Tuncel , Ganapati Bhat , Jaehyun Park , Umit Ogras

Internet of things (IoT) is a revolutionizing technology which aims to create an ecosystem of connected objects and embedded devices and provide ubiquitous connectivity between trillions of not only smart devices but also simple sensors and…

In this paper, the problem of minimizing the weighted sum of age of information (AoI) and total energy consumption of Internet of Things (IoT) devices is studied. In the considered model, each IoT device monitors a physical process that…

Information Theory · Computer Science 2021-09-09 Sihua Wang , Mingzhe Chen , Zhaohui Yang , Changchuan Yin , Walid Saad , Shuguang Cui , H. Vincent Poor

Internet-of-Things (IoT) networks are expected to support the wireless connection of massive energy limited IoT nodes. The emerging wireless powered backscatter communications (WPBC) enable IoT nodes to harvest energy from the incident…

Information Theory · Computer Science 2023-06-12 Haohang Yang , Yinghui Ye , Kai Liang , Xiaoli Chu

Wireless energy transfer (WET) is emerging as an enabling green technology for Internet of Things (IoT) networks. WET allows the IoT devices to wirelessly recharge their batteries with energy from external sources such as dedicated radio…

Signal Processing · Electrical Eng. & Systems 2021-03-05 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Samuel Montejo-Sánchez , Matti Latva-aho

The Internet of Things (IoT) has been applied to a large number of heterogeneous devices and is used in the deployment of a variety of applications on the basis of its distributed open architecture. The majority of these IoT devices are…

Networking and Internet Architecture · Computer Science 2019-10-15 Haider Qays Al-Shammari , Ahmed Lawey , Taisir El-Gorashi , Jaafar M. H. Elmirghani

This paper proposes and investigates an overlay spectrum sharing system in conjunction with the simultaneous wireless information and power transfer (SWIPT) to enable communications for the Internet of Things (IoT) applications. Considered…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Devendra Singh Gurjar , Ha H. Nguyen , Hoang D. Tuan

Both space and ground communications have been proven effective solutions under different perspectives in Internet of Things (IoT) networks. This paper investigates multiple-access scenarios, where plenty of IoT users are cooperatively…

Information Theory · Computer Science 2024-01-09 Trinh Van Chien , Ha An Le , Ta Hai Tung , Hien Quoc Ngo , Symeon Chatzinotas

In this paper, we study information-theoretic limits for simultaneous wireless information and power transfer (SWIPT) systems employing a practical nonlinear radio frequency (RF) energy harvesting (EH) receiver. In particular, we consider a…

Information Theory · Computer Science 2017-11-06 Rania Morsi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

The evolving landscape of the Internet of Things (IoT) has given rise to a pressing need for an efficient communication scheme. As the IoT user ecosystem continues to expand, traditional communication protocols grapple with substantial…

Signal Processing · Electrical Eng. & Systems 2024-06-25 Rafaela Scaciota , Glauber Brante , Richard Souza , Onel Lopez , Septimia Sarbu , Mehdi Bennis , Sumudu Samarakoon

The use of wearable and mobile devices for health monitoring and activity recognition applications is increasing rapidly. These devices need to maximize their accuracy and active time under a tight energy budget imposed by battery and small…

Signal Processing · Electrical Eng. & Systems 2019-02-25 Ganapati Bhat , Kunal Bagewadi , Hyung Gyu Lee , Umit Y. Ogras

In this paper, we develop optimal policies for deciding when a wireless node with radio frequency (RF) energy harvesting (EH) capabilities should try and harvest ambient RF energy. While the idea of RF-EH is appealing, it is not always…

Information Theory · Computer Science 2015-08-04 Zhenhua Zou , Anders Gidmark , Themistoklis Charalambous , Mikael Johansson