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Future Internet-of-Things (IoT) will connect billions of small computing devices embedded in the environment and support their device-to-device (D2D) communication. Powering this massive number of embedded devices is a key challenge of…

Information Theory · Computer Science 2016-04-12 Kaifeng Han , Kaibin Huang

The Internet of Things (IoT) comprises an increasing number of low-power and low-cost devices that autonomously interact with the surrounding environment. As a consequence of their popularity, future IoT deployments will be massive, which…

Networking and Internet Architecture · Computer Science 2021-06-25 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Richard D. Souza , Samuel Montejo-Sánchez

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

Future Internet-of-Things (IoT) will connect billions of small computing devices embedded in the environment and support their device-to-device (D2D) communication. Powering this massive number of embedded devices is a key challenge of…

Information Theory · Computer Science 2016-09-20 Kaifeng Han , Kaibin Huang

Radio frequency (RF) wireless energy transfer (WET) is a promising technology for powering the growing ecosystem of Internet of Things (IoT) using power beacons (PBs). Recent research focuses on efficient PB architectures that can support…

Wireless powered backscatter communications (WPBC) is capable of implementing ultra-low-power communication, thus promising in the Internet of Things (IoT) networks. In practice, however, it is challenging to apply WPBC in large-scale IoT…

Information Theory · Computer Science 2021-10-07 Erhu Chen , Peiran Wu , Yik-Chung Wu , Minghua Xia

Relay-enabled backscatter communication (BC) is an intriguing paradigm to alleviate energy shortage and improve throughput of Internet-of-Things (IoT) devices. Most of the existing works focus on the resource allocation that considered the…

Information Theory · Computer Science 2023-07-27 Rui Xu , Liqin Shi , Yinghui Ye , Haijian Sun , Gan Zheng

Internet of Things (IoT) sustainability may hinge on radio frequency wireless energy transfer (RF-WET). However, energy-efficient charging strategies are still needed, motivating our work. Specifically, this letter proposes a time division…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves

Motivated by the recent advances in the Internet of Things (IoT) and in Wireless Power Transfer (WPT), we study a network architecture that consists of power beacons (PBs) and passive backscatter nodes (BNs). The PBs transmit a sinusoidal…

Information Theory · Computer Science 2018-04-18 Mudasar Bacha , Bruno Clerckx

This letter introduces a novel wireless-powered backscatter communication system which allows sensors to utilize RF signals transmitted from a dedicated RF energy source to transmit data. In the proposed system, when the RF energy source…

Networking and Internet Architecture · Computer Science 2018-01-09 Nguyen Van Huynh , Dinh Thai Hoang , Dusit Niyato , Ping Wang , Dong In Kim

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

In this paper, we investigate and analyze energy recycling for a reconfigurable intelligent surface (RIS)-aided wireless-powered communication network. As opposed to the existing works where the energy harvested by Internet of things (IoT)…

Information Theory · Computer Science 2022-09-28 Hao Xie , Bowen Gu , Dong Li , Zhi Lin , Yongjun Xu

Collecting data from massive Internet of Things (IoT) devices is a challenging task, since communication circuits are power-demanding while energy supply at IoT devices is limited. To overcome this challenge, backscatter communication…

Information Theory · Computer Science 2019-04-08 Shuai Wang , Minghua Xia , Yik-Chung Wu

Ambient backscatter communication (AmBC) enables wireless-powered backscatter devices (BDs) to transmit information over ambient radio-frequency (RF) carriers without using an RF transmitter, and thus has emerged as a promising technology…

Information Theory · Computer Science 2018-05-04 Gang Yang , Dongdong Yuan , Ying-Chang Liang

Internet of Things (IoT) are increasingly being adopted into practical applications such as security systems, smart infrastructure, traffic management, weather systems, among others. While the scale of these applications is enormous, device…

Networking and Internet Architecture · Computer Science 2019-09-24 Vidushi Vashishth , Anshuman Chhabra , Anirudh Khanna , Deepak Kumar Sharma , Jyotsna Singh

This paper considers a wireless powered communication network (WPCN), where multiple users harvest energy from a dedicated power station and then communicate with an information receiving station. Our goal is to investigate the maximum…

Information Theory · Computer Science 2017-04-12 Qingqing Wu , Meixia Tao , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

In this paper, we investigate optimal resource allocation in a power beacon-assisted wireless-powered communication network (PB-WPCN), which consists of a set of hybrid access point (AP)-source pairs and a power beacon (PB). Each source,…

Information Theory · Computer Science 2016-11-17 Yuanye Ma , He Chen , Zihuai Lin , Yonghui Li , Branka Vucetic

Internet-of-things (IoT) is gaining popularity in recent times. Cellular network can be an appropriate solution for the IoT connectivity. With the exponential increase in the number of connected IoT devices, energy consumption is a…

Networking and Internet Architecture · Computer Science 2019-04-30 Syed Waqas Haider Shah , Ahmad Talal Riaz , Zahoor Fatima

This paper investigates the average throughput of a wireless powered communications system, where an energy constrained source, powered by a dedicated power beacon (PB), communicates with a destination. It is assumed that the PB is capable…

Information Theory · Computer Science 2016-11-18 Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang , George Karagiannidis

In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered communication network (WPCN) architecture is proposed for power-constrained Internet-of-Things (IoT) smart devices, where IRS is exploited to improve the…

Information Theory · Computer Science 2021-12-07 Zhendong Li , Wen Chen , Qingqing Wu , Huanqing Cao , Kunlun Wang , Jun Li
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