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This paper considers the problem of simultaneous information and energy transmission (SIET), where the energy harvesting function is only known experimentally at sample points, e.g., due to nonlinearities and parameter uncertainties in…

Information Theory · Computer Science 2019-03-06 Daewon Seo , Lav R. Varshney

The rapid growth of the so-called Internet of Things is expected to significantly expand and support the deployment of resource-limited devices. Therefore, intelligent scheduling protocols and technologies such as wireless power transfer,…

Information Theory · Computer Science 2021-05-06 Maria Dimitropoulou , Constantinos Psomas , Ioannis Krikidis

Simultaneous wireless information and power transfer (SWIPT) has attracted sustained interest. We propose a null-space-based transmission scheme for multiuser SWIPT serving both energy users (EUs) and information users (IUs). Under a…

Signal Processing · Electrical Eng. & Systems 2025-09-15 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang , Zhiqin Wang

There is an increasing demand for intelligent processing on ultra-low-power internet of things (IoT) device. Recent works have shown substantial efficiency boosts by executing inferences directly on the IoT device (node) rather than…

Hardware Architecture · Computer Science 2024-08-28 Cyan Subhra Mishra , Jack Sampson , Mahmut Taylan Kandmeir , Vijaykrishnan Narayanan , Chita R Das

We report generation of electrical energy from nonlinear mechanical noises available in the ambient environment using optimized piezo transduction mechanisms. Obtaining energy from an ambient vibration has been attractive for remotely…

Instrumentation and Detectors · Physics 2014-09-25 Bijo Boban , S. K. Suresh Babu , U. Satheesh , D. Devaprakasam

Internet of Things (IoT) devices are rapidly expanding in many areas, including deep mines, space, industrial environments, and health monitoring systems. Most of the sensors and actuators are battery-powered, and these batteries have a…

Hardware Architecture · Computer Science 2023-06-22 Satyajaswanth Badri , Mukesh Saini , Neeraj Goel

In this letter, a novel wireless powered protocol is proposed to maximize the system throughput of an energy harvesting (EH) based cognitive radio network, while satisfying a minimum primary user rate requirement. For EH, we exploit both…

Information Theory · Computer Science 2020-02-07 Anirudh Agarwal , Deepak Mishra

Nonlinear energy harvesters (EH) behave differently depending on the range of their input power. In the literature, different models have been proposed mainly for relatively small and large input power regimes of an EH. Due to the…

Information Theory · Computer Science 2019-09-02 Morteza Varasteh , Jakob Hoydis , Bruno Clerckx

Radio Frequency (RF) wireless power transfer is a promising technology that has the potential to constantly power small Internet of Things (IoT) devices, enabling even battery-less systems and reducing their maintenance requirements.…

Systems and Control · Electrical Eng. & Systems 2024-08-01 Lukas Schulthess , Federico Villani , Philipp Mayer , Michele Magno

Wireless information and energy transfer (WIET) represents an emerging paradigm which employs controllable transmission of radio-frequency signals for the dual purpose of data communication and wireless charging. As such, WIET is widely…

Internet-of-things (IoT) architectures connecting a massive number of heterogeneous devices need energy efficient, low hardware complexity, low cost, simple and secure mechanisms to realize communication among devices. One of the emerging…

Information Theory · Computer Science 2017-01-30 Burhan Gulbahar

We consider the problem of maximizing the harvested power in Multiple Input Multiple Output (MIMO) Simultaneous Wireless Information and Power Transfer (SWIPT) systems with power splitting reception. Different from recently proposed…

Information Theory · Computer Science 2017-10-13 Deepak Mishra , George C. Alexandropoulos

The Internet of Things (IoT) represents a significant advancement in digital technology, with its rapidly growing network of interconnected devices. This expansion, however, brings forth critical challenges in data security and reliability,…

Traditional Internet of Things (IoT) sensors rely on batteries that need to be replaced or recharged frequently which impedes their pervasive deployment. A promising alternative is to employ energy harvesters that convert the environmental…

Signal Processing · Electrical Eng. & Systems 2020-02-21 Muhammad Moid Sandhu , Kai Geissdoerfer , Sara Khalifa , Raja Jurdak , Marius Portmann , Brano Kusy

Energy harvesting for wireless communication networks is a new paradigm that allows terminals to recharge their batteries from external energy sources in the surrounding environment. A promising energy harvesting technology is wireless…

Information Theory · Computer Science 2016-11-15 Ioannis Krikidis , Stelios Timotheou , Symeon Nikolaou , Gan Zheng , Derrick Wing Kwan Ng , Robert Schober

In recent years, wireless communication systems are expected to achieve more cost-efficient and sustainable operations by replacing conventional fixed power supplies such as batteries with energy harvesting (EH) devices, which could provide…

Information Theory · Computer Science 2016-07-19 Hang Li , Jie Xu , Rui Zhang , Shuguang Cui

This letter generalizes noise modulation by introducing two voltage biases and employing non-Gaussian noise distributions, such as Mixture of Gaussian (MoG) and Laplacian, in addition to traditional Gaussian noise. The proposed framework…

Signal Processing · Electrical Eng. & Systems 2025-09-16 Hadi Zayyani , Mohammad Salman , Felipe A. P. de Figueiredo , Rausley A. A. de Souza

In this paper, we investigate the performance of simultaneous wireless information and power transfer (SWIPT) in a point-to-point system, adopting practical $M$-ary modulation. We take into account the fact that the receiver's…

Information Theory · Computer Science 2019-12-05 Wanchun Liu , Xiangyun Zhou , Salman Durrani , Petar Popovski

The Internet of Things (IoT) has important applications in our daily lives including health and fitness tracking, environmental monitoring and transportation. However, sensor nodes in IoT suffer from the limited lifetime of batteries…

Signal Processing · Electrical Eng. & Systems 2020-04-14 Muhammad Moid Sandhu , Sara Khalifa , Raja Jurdak , Marius Portmann

It is expected that the number of wireless devices will grow rapidly over the next few years due to the growing proliferation of Internet-of-Things (IoT). In order to improve the energy efficiency of information transfer between small…

Information Theory · Computer Science 2016-09-05 Weisi Guo , Sheng Zhou , Yunfei Chen , Siyi Wang , Xiaoli Chu , Zhisheng Niu