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Wireless energy harvesting constitutes an effective way to prolong the lifetime of wireless networks. In this paper, an opportunistic decode-and-forward cooperative communication system is investigated, where the energy-constrained relays…

Information Theory · Computer Science 2018-01-23 Yanju Gu

This paper considers max-min fairness for wireless energy transfer in a downlink multiuser communication system. Our resource allocation design maximizes the minimum harvested energy among multiple multiple-antenna energy harvesting…

Information Theory · Computer Science 2014-04-08 Derrick Wing Kwan Ng , Robert Schober

In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

In this paper, we consider a wireless cooperative network with an energy harvesting relay which is powered by the energy harvested from ambient RF waves, such as that of a data packet. At any given time, the relay operates either in the…

Networking and Internet Architecture · Computer Science 2017-06-06 Masoumeh Moradian , Farid Ashtiani , Ying Jun Zhang

A novel pinching antenna system (PASS) enabled wireless power transfer (WPT) framework is proposed, where energy harvesting receivers (EHRs) and information decoding receivers (IDRs) coexist. By activating pinching antennas (PAs) near both…

Signal Processing · Electrical Eng. & Systems 2025-11-17 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yue Liu , Yuanwei Liu

In this paper, we studies the performance of a novel simultaneous wireless information and power transfer (SWIPT) system enabled by a flexible pinching-antenna. To support flexible deployment and optimize energy-rate performance, we propose…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Bingxin Zhang , Han Zhang , Kun Yang , Yizhe Zhao , Kezhi Wang

Simultaneous wireless information and power transfer (SWIPT) has been proposed to offer communication services and transfer power to the energy harvesting receiver (EHR) concurrently. However, existing works mainly focused on static EHRs,…

Signal Processing · Electrical Eng. & Systems 2024-10-31 Yiming Xu , Dongfang Xu , Shenghui Song

Waveform optimization has recently been shown to be a key technique to boost the efficiency and range of far-field wireless power transfer (WPT). Current research has optimized transmit waveform adaptive to channel state information (CSI)…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Yumeng Zhang , Bruno Clerckx

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

This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a…

Information Theory · Computer Science 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

Wirelessly-powered sensor networks (WPSNs) are becoming increasingly important in different monitoring applications. We consider a WPSN where a multiple-antenna base station, which is dedicated for energy transmission, sends pilot signals…

Networking and Internet Architecture · Computer Science 2020-01-27 Rong Du , Hossein Shokri Ghadikolaei , Carlo Fischione

Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes. We focus on a…

Information Theory · Computer Science 2016-11-18 Yue Ling Che , Lingjie Duan , Rui Zhang

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

In multicell massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks, base stations (BSs) with multiple antennas deliver their radio frequency energy in the downlink, and Internet-of-Things (IoT) devices…

Information Theory · Computer Science 2021-03-25 Zhongyu Wang , Zhipeng Lin , Tiejun Lv , Wei Ni

We study the problem of optimal power allocation in single-hop multi-antenna ad-hoc wireless networks. A standard technique to solve this problem involves optimizing a tri-convex function under power constraints using a…

Information Theory · Computer Science 2021-11-01 Arindam Chowdhury , Gunjan Verma , Chirag Rao , Ananthram Swami , Santiago Segarra

The lifetime and the sustainability of the wireless sensor networks (WSNs) can be increased with energy harvesting transmitters utilizing optimum packet scheduling. On the other hand, WSNs are observed to collect spatially or temporally…

Information Theory · Computer Science 2015-04-28 Burhan Gulbahar

We investigate performance limits of a multiple access communication system with energy harvesting nodes where the utility function is taken to be the long-term average sum-throughput. We assume a causal structure for energy arrivals and…

Information Theory · Computer Science 2018-09-12 Masoud Badiei Khuzani , Patrick Mitran

A multiple-input single-output cognitive radio downlink network is studied with simultaneous wireless information and power transfer. In this network, a secondary user coexists with multiple primary users and multiple energy harvesting…

Information Theory · Computer Science 2016-02-23 Fuhui Zhou , Zan Li , Julian Cheng , Qunwei Li , Jiangbo Si

This paper considers the use of energy harvesters, instead of conventional time-invariant energy sources, in wireless cooperative communication. For the purpose of exposition, we study the classic three-node Gaussian relay channel with…

Information Theory · Computer Science 2016-11-17 Chuan Huang , Rui Zhang , Shuguang Cui

The deployment of instantaneous CSI-based power control schemes necessitates computationally intensive signal processing operations, requiring substantial resources to handle real-time CSI updates and the associated overhead. Conversely,…

Information Theory · Computer Science 2025-05-08 Zahra Mobini , Hien Quoc Ngo
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