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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…

系统与控制 · 电气工程与系统科学 2025-09-05 Bingxin Zhang , Han Zhang , Kun Yang , Yizhe Zhao , Kezhi Wang

Fluid antenna is a promising wireless communication technology that enhances communication rate by changing the antenna positions. This article proposes a new communication system that combines multiple-input single-output (MISO) fluid…

信息论 · 计算机科学 2025-10-24 Feilong Zhang , Jianxin Dai , Zhaohui Yang , Kai-Kit Wong , Lingyuxiu Li , Jianglin Ye

Distributed antenna systems (DAS) have been widely implemented in state-of-the-art cellular communication systems to cover dead spots. Recent studies have also indicated that DAS have advantages in wireless energy transfer (WET). In this…

信息论 · 计算机科学 2016-06-16 Fangchao Yuan , Shi Jin , Kai-Kit Wong , Hongbo Zhu

This paper considers wireless-powered cooperative jamming (CJ) to secure communication between a transmitter (Tx) and an information receiver (IR), in the presence of an energy receiver (ER) which is termed as a potential eavesdropper. The…

信息论 · 计算机科学 2017-02-21 Mengyu Liu , Yuan Liu

This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireless energy transfer (WET) from an energy transmitter (ET),…

信息论 · 计算机科学 2015-10-23 Yueling Che , Jie Xu , Lingjie Duan , Rui Zhang

This paper studies the training design problem for multiple-input single-output (MISO) wireless energy transfer (WET) systems in frequency-selective channels, where the frequency-diversity and energy-beamforming gains can be both reaped to…

信息论 · 计算机科学 2015-04-15 Yong Zeng , Rui Zhang

Multi-antenna or multiple-input multiple-output (MIMO) technique can significantly improve the efficiency of radio frequency (RF) signal enabled wireless energy transfer (WET). To fully exploit the energy beamforming gain at the energy…

信息论 · 计算机科学 2016-05-04 Jie Xu , Rui Zhang

Scavenging energy from ambient radio signals, namely wireless energy harvesting (WEH), has recently drawn significant attention. In this paper, we consider a point-to-point wireless link over the flat-fading channel, where the receiver…

信息论 · 计算机科学 2016-11-15 Liang Liu , Rui Zhang , Kee-Chaing Chua

We consider a hybrid active-passive radar system that employs a wireless source as a passive illuminator of opportunity (IO) and a co-channel active radar transmitter operating in the same frequency band to seek spectral efficiency. The…

信号处理 · 电气工程与系统科学 2020-02-19 Fangzhou Wang , Hongbin Li

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

In this paper, we investigate joint beamforming for energy-throughput tradeoff in a sustainable cloud radio access network system, where multiple base stations (BSs) powered by independent renewable energy sources will collaboratively…

信息论 · 计算机科学 2017-11-15 Zhao Chen , Ziru Chen , Lin X. Cai , Yu Cheng

This paper studies the joint optimization problem of two-way relay beamforming, the receiver power splitting (PS) ratio as well as the transmit power at the sources to maximize the achievable sum-rate of a simultaneous wireless information…

信息论 · 计算机科学 2016-10-19 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Zhongbin Zheng

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…

信息论 · 计算机科学 2015-11-25 Seunghyun Lee , Rui Zhang

Wireless Energy Transfer (WET) is emerging as a potential solution for powering small energy-efficient devices. We propose strategies that use multiple antennas at a power station, which wirelessly charges a large set of single-antenna…

信息论 · 计算机科学 2019-07-10 Onel L. Alcaraz López , Hirley Alves , Richard Demo Souza , Samuel Montejo-Sánchez

In this paper, we consider a time-switching (TS) co-located simultaneous wireless information and power transfer (SWIPT) system consisting of multiple multi-antenna access points which serve multiple single antenna users. In this scenario,…

信息论 · 计算机科学 2016-10-27 Nafiseh Janatian , Ivan Stupia , Luc Vandendorpe

We propose a model system that allows communication of spatiotemporal information using an optical chaotic carrier waveform. The system is based on broad-area nonlinear optical ring cavities, which exhibit spatiotemporal chaos in a wide…

混沌动力学 · 物理学 2009-10-31 J. Garcia-Ojalvo , R. Roy

The separate receiver architecture with a time- or power-splitting mode, widely used for simultaneous wireless information and power transfer (SWIPT), has a major drawback: Energy-intensive local oscillators and mixers need to be installed…

信息论 · 计算机科学 2023-07-21 Do-Yup Kim , Chae-Bong Sohn , Hyun-Suk Lee

This paper studies a multi-hop decode-and-forward (DF) simultaneous wireless information and power transfer (SWIPT) system where a source sends data to a destination with the aid of multi-hop relays which do not depend on an external energy…

信息论 · 计算机科学 2019-08-28 Derek Kwaku Pobi Asiedu , Hoon Lee , Kyoung-Jae Lee

Wireless energy transfer (WET) is a promising solution to enable massive machine-type communications (mMTC) with low-complexity and low-powered wireless devices. Given the energy restrictions of the devices, instant channel state…

信号处理 · 电气工程与系统科学 2022-08-04 Francisco A. Monteiro , Onel L. A. López , Hirley Alves

Wireless energy transfer (WET) has attracted significant attention recently for providing energy supplies wirelessly to electrical devices without the need of wires or cables. Among different types of WET techniques, the radio frequency…

信息论 · 计算机科学 2015-06-18 Jie Xu , Rui Zhang