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Assuming that the number of possible decisions for a transmitter (e.g., the number of possible beamforming vectors) has to be finite and is given, this paper investigates for the first time the problem of determining the best decision set…

信息论 · 计算机科学 2019-09-17 Hang Zou , Chao Zhang , Samson Lasaulce , Lucas Saludjian , Patrick Panciatici

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks by exploiting massive number of antennas for generating pencil-like…

信号处理 · 电气工程与系统科学 2023-11-01 Yunpu Zhang , Changsheng You

The robust beamforming problem in multiple-input single-output (MISO) downlink networks of simultaneous wireless information and power transfer (SWIPT) is studied in this paper. Adopting the time switching fashion to perform energy…

信号处理 · 电气工程与系统科学 2018-03-22 Yinglei Teng , Wanxin Zhao , Mei Yan , Yong Zhang , Mei Song

This paper studies an intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system. In this system, a multi-antenna access point (AP) uses…

信号处理 · 电气工程与系统科学 2019-10-17 Yizheng Tang , Ganggang Ma , Hailiang Xie , Jie Xu , Xiao Han

The joint design of spatial channel assignment and power allocation in Multiple Input Multiple Output (MIMO) systems capable of Simultaneous Wireless Information and Power Transfer (SWIPT) is studied. Assuming availability of channel state…

信息论 · 计算机科学 2017-10-25 Deepak Mishra , George C. Alexandropoulos

Energy efficiency (EE) problem has become an important and major issue in satellite communications. In this paper, we study the beamforming design strategy to maximize the EE of rate-splitting multiple access (RSMA) for the multibeam…

信息论 · 计算机科学 2023-03-22 Jinyuan Liu , Yong Liang Guan , Yao Ge , Longfei Yin , Bruno Clerckx

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

信息论 · 计算机科学 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

In this paper, we propose a two-timescale delay-optimal dynamic clustering and power allocation design for downlink network MIMO systems. The dynamic clustering control is adaptive to the global queue state information (GQSI) only and…

机器学习 · 计算机科学 2017-04-26 Ying Cui , Qingqing Huang , Vincent K. N. Lau

This paper considers an intelligent reflecting surface (IRS) assisted multi-input multi-output (MIMO) power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) system with multiple PS receivers (PSRs). The…

信息论 · 计算机科学 2021-06-01 Chen He , Xie Xie , Kun Yang , Z. Jane Wang

Simultaneous wireless information and power transfer (SWIPT) is an appealing solution to balance the energy distribution in wireless networks and improve the energy-efficiency of the entire network. In this paper, we study the optimal…

信息论 · 计算机科学 2014-08-12 Lansheng Hu , Chao Zhang , Jing Xu

This paper investigates simultaneous wireless information and power transfer (SWIPT) in energy harvesting (EH) relay systems. Unlike existing SWIPT schemes requiring the channel state information (CSI) for coherent information delivery, we…

信息论 · 计算机科学 2015-05-28 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

The dual use of radio signals for simultaneous wireless information and power transfer (SWIPT) has recently drawn significant attention. To meet the practical requirement that energy receivers (ERs) operate with much higher received power…

信息论 · 计算机科学 2016-11-17 Liang Liu , Rui Zhang , K. C. Chua

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…

信息论 · 计算机科学 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

This paper conceives a hybrid beamforming design (HBF) that maximizes the energy efficiency (EE) of an integrated sensing and communication (ISAC)-enabled millimeter wave (mmWave) multiple-input multiple-output (MIMO) system. In the system…

信号处理 · 电气工程与系统科学 2024-06-07 Jitendra Singh , Suraj Srivastava , Aditya K. Jagannatham

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…

信号处理 · 电气工程与系统科学 2025-09-10 Ahsan Mehmood , Ioannis Krikidis , Ghassan M. Kraidy

The performance of simultaneous wireless information and power transfer (SWIPT) in downlink (DL) cell-free massive multiple-input multiple-output (MIMO) is investigated. Tight approximations to the DL harvested energy and the DL/uplink (UL)…

信号处理 · 电气工程与系统科学 2020-11-17 Diluka Loku Galappaththige , Rajan Shrestha , Gayan Amarasuriya Aruma Baduge

This paper investigates simultaneous wireless information and power transfer (SWIPT) for multiuser multiple-input-single-output (MISO) secrecy channel. First, transmit beamfoming without artificial noise (AN) design is considered, where two…

信息论 · 计算机科学 2015-03-24 Zheng Chu , Martin Johnston , Stephane Le Goff

In this paper, we consider a frequency-division duplexing (FDD) multiple-user multiple-input-single-output (MU-MISO) wireless-powered communication network (WPCN) consisting of one hybrid data-and-energy access point (HAP) with multiple…

信息论 · 计算机科学 2018-10-03 Arman Ahmadian

Links in practical systems, such as satellite--terrestrial integrated networks, exhibit distinct delay distributions, intermittent availability, and heterogeneous energy costs. These characteristics pose significant challenges to…

信息论 · 计算机科学 2026-02-02 Adem Utku Atasayar , Aimin Li , Çağrı Arı , Elif Uysal

In this paper, we study the energy efficiency (EE) maximization problem in multiple-input multiple-output (MIMO) two-way relay networks with simultaneous wireless information and power transfer (SWIPT). The network consists of a…

信息论 · 计算机科学 2017-03-23 Javane Rostampoor , S. Mohammad Razavizadeh , Inkyu Lee