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Far-field wireless power transfer (WPT) is a promising technique to resolve the painstaking power-charging problem inherent in various wireless terminals. This paper investigates the power transfer efficiency of the WPT segment in future…

信息论 · 计算机科学 2015-04-14 Minghua Xia , Sonia Aïssa

Reliable energy supply remains a crucial challenge in the Internet of Things (IoT). Although relying on batteries is cost-effective for a few devices, it is neither a scalable nor a sustainable charging solution as the network grows…

网络与互联网体系结构 · 计算机科学 2023-11-10 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Matti Latva-aho

Wireless power transfer (WPT) is a promising new solution to provide convenient and perpetual energy supplies to wireless networks. In practice, WPT is implementable by various technologies such as inductive coupling, magnetic resonate…

信息论 · 计算机科学 2013-02-18 Rui Zhang , Chin Keong Ho

The Sixth Generation (6G) radio technology is expected to include local 6G networks as a special use case, extending the capabilities of `generic' 6G networks towards more demanding performance requirements. Reconfigurable intelligent…

信号处理 · 电气工程与系统科学 2025-10-20 Ishan Rangajith Koralege , Nurul Huda Mahmood , Arthur Sousa de Sena , Italo Atzeni

The densification and expansion of wireless network pose new challenges on interference management and reducing energy consumption. This paper studies energy-efficient resource management in heterogeneous networks by jointly optimizing cell…

信息论 · 计算机科学 2016-02-11 Quan Kuang , Wolfgang Utschick

Power systems are developing very fast nowadays, both in size and in complexity; this situation is a challenge for Early Event Detection (EED). This paper proposes a data- driven unsupervised learning method to handle this challenge.…

统计方法学 · 统计学 2015-09-16 Xing He , Robert Caiming Qiu , Qian Ai , Yinshuang Cao , Jie Gu , Zhijian Jin

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) is a critical challenge for practical implementations. One of the main inefficiency…

信号处理 · 电气工程与系统科学 2024-11-21 Amirhossein Azarbahram , Onel L. A. López , Matti Latva-Aho

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)…

信息论 · 计算机科学 2022-09-28 Hao Xie , Bowen Gu , Dong Li , Zhi Lin , Yongjun Xu

This paper investigates a wireless-powered hybrid reflecting intelligent surface (hybrid RIS)-assisted multiple access system, where the RIS can harvest energy from energy station (ES) transmitted radio frequency signal (RF), and each…

信号处理 · 电气工程与系统科学 2024-02-20 Mingang Yuan , Wenzhe Zhang , Gaofei Huang

In this paper, secure wireless information and power transfer with intelligent reflecting surface (IRS) is proposed for a multiple-input single-output (MISO) system. Under the secrecy rate (SR) and the reflecting phase shifts of IRS…

信号处理 · 电气工程与系统科学 2019-11-05 Weiping Shi , Xiaobo Zhou , Linqiong Jia , Yongpeng Wu , Feng Shu , Jiangzhou Wang

The use of energy harvesting (EH) nodes as cooperative relays is an emerging solution for enabling green wireless systems. In this paper, we consider multiple EH relay nodes harvesting energy from the radio frequency (RF) signal received…

信息论 · 计算机科学 2014-08-20 Yu-Hsien Lee , Kuang-Hao Liu

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

This paper studies a wireless powered mobile edge computing (MEC) system, where a dedicated energy transmitter (ET) uses the radio-frequency (RF) signal enabled wireless power transfer (WPT) to charge wireless devices for sustainable…

信息论 · 计算机科学 2018-09-06 Dixiao Wu , Feng Wang , Xiaowen Cao , Jie Xu

This paper shows that wirelessly powered backscatter communications is subject to a fundamental tradeoff between the harvested energy at the tag and the reliability of the backscatter communication, measured in terms of SNR at the reader.…

信息论 · 计算机科学 2017-03-09 Bruno Clerckx , Zati Bayani Zawawi , Kaibin Huang

Recently, energy encryption for wireless power transfer has been developed for energy safety, which is important in public places to suppress unauthorized energy extraction. Most techniques vary the frequency so that unauthorized receivers…

系统与控制 · 电气工程与系统科学 2024-06-19 Hui Wang , Nima Tashakor , Wei Jiang , Wei Liu , C. Q. Jiang , Stefan M. Goetz

A simple feedback control algorithm is presented for distributed beamforming in a wireless network. A network of wireless sensors that seek to cooperatively transmit a common message signal to a Base Station (BS) is considered. In this…

信息论 · 计算机科学 2007-07-16 R. Mudumbai , J. Hespanha , U. Madhow , G. Barriac

The design of Wireless Information and Power Transfer (WIPT) has so far relied on an oversimplified and inaccurate linear model of the energy harvester. In this paper, we depart from this linear model and design WIPT considering the…

信息论 · 计算机科学 2017-09-22 Bruno Clerckx

Equal allocation of bandwidth and/or power may not be efficient for wireless multi-user networks with limited bandwidth and power resources. Joint bandwidth and power allocation strategies for wireless multi-user networks with and without…

信息论 · 计算机科学 2015-05-19 Xiaowen Gong , Sergiy A. Vorobyov , Chintha Tellambura

We present a Reinforcement Learning (RL) approach to the problem of controlling the Discontinuous Reception (DRX) policy from a Base Transceiver Station (BTS) in a cellular network. We do so by means of optimally timing the transmission of…

信息论 · 计算机科学 2024-06-21 Adriano Pastore , Adrián Agustín de Dios , Álvaro Valcarce

Synchronisation of parallel grid-forming inverters is crucial for stable operation of future power systems. This includes accurate and robust reactive power sharing under realistic operating conditions such as impedance mismatch and…

系统与控制 · 电气工程与系统科学 2026-03-25 E. D. Gomez Anccas , E. A. MacPherson , J. Tegeler , K. Röbert , M. Fischer , C. A. Hans , D. Schulz