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This letter introduces a novel pinching-antenna-system (PASS) assisted simultaneous wireless information and power transfer (SWIPT), where multiple pinching antennas (PAs) are strategically activiated on a waveguide to facilitate…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Yixuan Li , Ji Wang , Yuanwei Liu , Zhiguo Ding

Large multiple-input multiple-output (MIMO) networks promise high energy efficiency, i.e., much less power is required to achieve the same capacity compared to the conventional MIMO networks if perfect channel state information (CSI) is…

Information Theory · Computer Science 2015-06-17 An Liu , Vincent Lau

In this paper, we theoretically investigate a new technique for simultaneous information and power transfer (SWIPT) in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities. The proposed…

Information Theory · Computer Science 2015-04-10 Stelios Timotheou , Ioannis Krikidis , Sotiris Karachontzitis , Kostas Berberidis

Simultaneous wireless information and power transfer (SWIPT) is a promising solution to increase the lifetime of wireless nodes and hence alleviate the energy bottleneck of energy constrained wireless networks. As an alternative to…

Information Theory · Computer Science 2014-12-05 Zhiguo Ding , Caijun Zhong , Derrick Wing Kwan Ng , Mugen Peng , Himal A. Suraweera , Robert Schober , H. Vincent Poor

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 2018-05-03 Deepak Mishra , George C. Alexandropoulos

This paper investigates an innovative movable antenna (MA)-enhanced multiple-input multiple-output (MIMO) system designed to enhance communication performance. We aim to maximize the energy efficiency (EE) under statistical channel state…

Information Theory · Computer Science 2025-01-22 Xintai Chen , Biqian Feng , Yongpeng Wu , Wenjun Zhang

In this paper, we study optimal resource allocation strategies for simultaneous information and power transfer (SWIPT) focusing on the system energy efficiency. We consider two-user multiple access channels in which energy harvesting (EH)…

Information Theory · Computer Science 2016-09-19 Tewodros A. Zewde , M. Cenk Gursoy

In this paper, we consider the downlink transmission of a multi-antenna base station (BS) supported by an active simultaneously transmitting and reconfigurable intelligent surface (STAR-RIS) to serve single-antenna users via simultaneous…

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,…

Information Theory · Computer Science 2016-10-27 Nafiseh Janatian , Ivan Stupia , Luc Vandendorpe

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

As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Li You , Jiayuan Xiong , Alessio Zappone , Wenjin Wang , Xiqi Gao

Pinching-antenna systems (PASS) have recently emerged as a promising technology for improving wireless communications by establishing or strengthening reliable line-of-sight (LoS) links by adjusting the positions of pinching antennas (PAs).…

Information Theory · Computer Science 2025-06-10 Haoyun Li , Zhonghao Lyu , Yulan Gao , Ming Xiao , H. Vincent Poor

Simultaneous wireless information and power transfer (SWIPT) is anticipated to have abundant applications in future machine or sensor based wireless networks by providing wireless data and energy access at the same time. In this paper, we…

Information Theory · Computer Science 2015-06-15 Jie Xu , Liang Liu , Rui Zhang

This paper considers the energy efficiency (EE) maximization of a simultaneous wireless information and power transfer (SWIPT)-assisted unmanned aerial vehicles (UAV) cooperative network operating at TeraHertz (THz) frequencies. The source…

Information Theory · Computer Science 2023-11-07 Jalal Jalali , Ata Khalili , Hina Tabassum , Rafael Berkvens , Jeroen Famaey , Walid Saad

In this paper, we propose a novel Adaptive Transmission Strategy to improve energy efficiency~(EE) in a wireless point-to-point transmission system with Quality of Service~(QoS) requirement, i.e., delay-outage probability considered. The…

Information Theory · Computer Science 2018-07-24 Linlin Zou , Yanzhao Hou , Xiaofeng Tao , Qimei Cui , Xueqing Huang

In this paper, we propose a transmit covariance optimization method to maximize the energy efficiency (EE) for a single-user distributed antenna system, where both the remote access units (RAUs) and the user are equipped with multiple…

Information Theory · Computer Science 2015-11-13 Hong Ren , Nan Liu , Cunhua Pan , Chunlong He

In this work, we propose the design of modulation schemes that improve the rate-energy region of fluid antenna-assisted simultaneous wireless information and power transfer (SWIPT) systems. By considering the nonlinear characteristics of…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Ahsan Mehmood , Ioannis Krikidis , Ghassan M. Kraidy

This paper presents an innovative movable antenna (MA)-enhanced multi-user multiple-input multiple-output (MIMO) downlink system. We aim to maximize the energy efficiency (EE) under statistical channel state information (S-CSI) through a…

Information Theory · Computer Science 2025-09-16 Xintai Chen , Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Chengshan Xiao

This paper examines a fluid antenna (FA)-assisted simultaneous wireless information and power transfer (SWIPT) system. Unlike traditional SWIPT systems with fixed-position antennas (FPAs), our FA-assisted system enables dynamic…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Liaoshi Zhou , Junteng Yao , Tuo Wu , Ming Jin , Chau Yuen , Fumiyuki Adachi

The spectral and energy efficiency (SE-EE) trade-off in pinching-antenna systems (PASS) is investigated in this paper. In particular, two practical operating protocols, namely waveguide multiplexing (WM) and waveguide switching (WS), are…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Guangyu Zhu , Xidong Mu , Li Guo , Shibiao Xu , Yuanwei Liu , Naofal Al-Dhahir