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Related papers: Secrecy Wireless Information and Power Transfer wi…

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Radio waves carry both energy and information simultaneously. Nevertheless, Radio-Frequency (RF) transmission of these quantities have traditionally been treated separately. Currently, we are experiencing a paradigm shift in wireless…

Information Theory · Computer Science 2018-03-21 Bruno Clerckx , Rui Zhang , Robert Schober , Derrick Wing Kwan Ng , Dong In Kim , H. Vincent Poor

This paper considers transmit beamforming in dual-function radar-communication (DFRC) system, where a DFRC transmitter simultaneously communicates with a communication user and detects a malicious target with the same waveform. Since the…

Signal Processing · Electrical Eng. & Systems 2022-11-24 Rong Wen , Ying Zhang , Qiang Li , Youxi Tang

This paper studies the beamforming design problem of a multi-user downlink network, assuming imperfect channel state information known to the base station. In this scenario, the base station is equipped with multiple antennas, and each user…

Signal Processing · Electrical Eng. & Systems 2020-03-25 Pu Zhao , Meng Zhang , Hui Yu , Hanwen Luo , Wen Chen

Energy beamforming (EB) is a key technique for achieving efficient radio-frequency (RF) transmission enabled wireless energy transfer (WET). By optimally designing the waveforms from multiple energy transmitters (ETs) over the wireless…

Information Theory · Computer Science 2015-11-25 Seunghyun Lee , Rui Zhang

Powering mobiles using microwave \emph{power transfer} (PT) avoids the inconvenience of battery recharging by cables and ensures uninterrupted mobile operation. The integration of PT and \emph{information transfer} (IT) allows wireless PT…

Information Theory · Computer Science 2014-10-07 Rahul Vaze , Jainam Doshi , Kaibin Huang

The newly emerging wireless powered communication networks (WPCNs) have recently drawn significant attention, where radio signals are used to power wireless terminals for information transmission. In this paper, we study a WPCN where one…

Information Theory · Computer Science 2014-04-16 Liang Liu , Rui Zhang , Kee-Chaing Chua

In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

In this paper, we present the superposition of chirp waveforms for simultaneous wireless information and power transfer (SWIPT) applications. Exploiting the chirp waveform characteristics enables us to superimpose multiple chirps, thereby…

Signal Processing · Electrical Eng. & Systems 2023-11-09 Arijit Roy , Constantinos Psomas , Ioannis Krikidis

This paper studies a secrecy integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) aims to send confidential messages to a single-antenna communication user (CU), and at the same time sense several…

Information Theory · Computer Science 2021-10-26 Zixiang Ren , Ling Qiu , Jie Xu

We study two-user multiple-input single-output (MISO) wireless powered communication networks (WPCNs), where the user devices are equipped with non-linear energy harvesting (EH) circuits. We consider time-division duplex (TDD) transmission,…

Information Theory · Computer Science 2021-10-05 Nikita Shanin , Moritz Garkisch , Amelie Hagelauer , Robert Schober , Laura Cottatellucci

Intelligent reflecting surfaces (IRSs) enable multiple-input multiple-output (MIMO) transmitters to modify the communication channels between the transmitters and receivers. In the presence of eavesdropping terminals, this degree of freedom…

Information Theory · Computer Science 2022-02-03 Saba Asaad , Yifei Wu , Ali Bereyhi , Ralf R. Müller , Rafael F. Schaefer , H. Vincent Poor

This paper investigates the rate-energy trade-off for pinching-antenna systems (PASS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. Both the single information user (IU)/energy user (EU) and multiple IUs/EUs…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Qi Yang , Kai Liu , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Yuanwei Liu

Wirelessly powered backscatter communication (WPBC) has been identified as a promising technology for low-power communication systems, which can reap the benefits of energy beamforming to improve energy transfer efficiency. Existing studies…

Networking and Internet Architecture · Computer Science 2019-07-30 Wenyuan Ma , Wei Wang , Tao Jiang

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fundamental paradigm shift from conventional far-field…

Signal Processing · Electrical Eng. & Systems 2023-05-23 Yunpu Zhang , Changsheng You , Weijie Yuan , Fan Liu , Rui Zhang

We address the problem of a multi-user relay network, where multiple single-antenna node pairs want to exchange information by using a multiple antenna relay node. Due to the half-duplex constraint of the relay, the exchange of information…

Information Theory · Computer Science 2010-12-23 Aydin Sezgin , Holger Boche , Amir Salman Avestimehr

This letter considers secrecy simultaneous wireless information and power transfer (SWIPT) in full duplex systems. In such a system, full duplex capable base station (FD-BS) is designed to transmit data to one downlink user and concurrently…

Information Theory · Computer Science 2016-05-25 Ying Wang , Ruijin Sun , Xinshui Wang

This paper considers the sum rate maximization problem of a two-user multiple-input single-output interference channel with receivers that can scavenge energy from the radio signals transmitted by the transmitters. We first study the…

Information Theory · Computer Science 2013-01-29 Chao Shen , Wei-Chiang Li , Tsung-Hui Chang

Energy beamforming (EB) is a key technique for achieving efficient radio-frequency (RF) transmission enabled wireless energy transfer (WET). By optimally designing the waveforms from multiple energy transmitters (ETs) over the wireless…

Information Theory · Computer Science 2017-04-05 Seunghyun Lee , Rui Zhang

This paper analyzes the throughput of industrial communication networks under a secrecy constraint. The proposed scenario is composed by sensors that measure some relevant information of the plant that is first processed by aggregator node…

Information Theory · Computer Science 2015-12-18 Pedro H. J. Nardelli , Hirley Alves , Carlos H. M. de Lima , Matti Latva-aho

In this paper, we study a multi-sine multiple-input multiple-output (MIMO) wireless power transfer (WPT) system with the objective to increase the output DC power. We jointly optimize the multi-sine waveform and beamforming accounting for…

Signal Processing · Electrical Eng. & Systems 2021-08-24 Shanpu Shen , Bruno Clerckx
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