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相关论文: Cell-free Massive MIMO and SWIPT: Access Point Ope…

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This paper addresses the problem of scalability for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where a large number of access points (APs) are deployed to…

信息论 · 计算机科学 2024-06-10 Stefano Buzzi , Carmen D'Andrea , Sergi Liesegang

The novel resource allocation for simultaneous wireless information and power transfer (SWIPT) is presented as a means of not only helping to communicate and access information with increasing efficiency in the next generation of mobile…

信号处理 · 电气工程与系统科学 2020-07-28 Jalal Jalali

Wireless power transfer (WPT) is a promising new solution to provide convenient and perpetual energy supplies to wireless networks. In practice, WPT is implementable by various technologies such as inductive coupling, magnetic resonate…

信息论 · 计算机科学 2013-02-18 Rui Zhang , Chin Keong Ho

Traditional simultaneous wireless information and power transfer (SWIPT) with power splitting assumes perfect channel state information (CSI), which is difficult to obtain especially in the massive multiple-input-multiple-output (MIMO)…

信息论 · 计算机科学 2019-08-21 Xihan Chen , Hei Victor Cheng , An Liu , Kaiming Shen , Min-Jian Zhao

This paper considers cell-free massive multiple-input multiple-output systems where the multiple-antenna access points (APs) assist the single-antenna user equipments (UEs) by wireless power transfer. The UEs utilize the energy harvested in…

信息论 · 计算机科学 2020-01-28 Özlem Tuğfe Demir , Emil Björnson

We consider a dynamic time division duplex (DTDD) enabled cell-free massive multiple-input multiple-output (CF-mMIMO) system, where each half-duplex (HD) access point (AP) is scheduled to operate in the uplink (UL) or downlink (DL) mode…

信号处理 · 电气工程与系统科学 2022-05-24 Anubhab Chowdhury , Ribhu Chopra , Chandra R. Murthy

This paper studies a cell-free massive multiple-input multiple-output (MIMO) system where its access points (APs) and users are equipped with multiple antennas. Two transmission protocols are considered. In the first transmission protocol,…

信息论 · 计算机科学 2020-04-27 Trang C. Mai , Hien Quoc Ngo , Trung Q. Duong

In this paper, we propose a scheme for the joint optimization of the user transmit power and the antenna selection at the access points (AP)s of a user-centric cell-free massive multiple-input-multiple-output (UC CF-mMIMO) system. We derive…

信息论 · 计算机科学 2022-07-19 Shashank Shekhar , Athira Subhash , Muralikrishnan Srinivasan , Sheetal Kalyani

Assume that a multi-user multiple-input multiple-output (MIMO) system is designed from scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the optimal number of antennas, active users, and transmit power?…

信息论 · 计算机科学 2016-02-22 Emil Björnson , Luca Sanguinetti , Jakob Hoydis , Mérouane Debbah

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

Non-orthogonal multiple access (NOMA) has been recently considered in millimeter-wave (mmWave) massive MIMO systems to further enhance the spectrum efficiency. In addition, simultaneous wireless information and power transfer (SWIPT) is a…

信息论 · 计算机科学 2018-09-21 Linglong Dai , Bichai Wang , Mugen Peng , Shanzhi Chen

Simultaneous wireless information and power transfer (SWIPT) has attracted sustained interest. We propose a null-space-based transmission scheme for multiuser SWIPT serving both energy users (EUs) and information users (IUs). Under a…

信号处理 · 电气工程与系统科学 2025-09-15 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang , Zhiqin Wang

This paper explores the integration of simultaneous wireless information and power transfer (SWIPT) with gigantic multiple-input multiple-output (gMIMO) technology operating in the upper mid-band frequency range (7-24 GHz). The near-field…

信号处理 · 电气工程与系统科学 2025-11-03 Özlem Tugfe Demir , Mustafa Ozger , Ferdi Kara , Woong-Hee Lee , Emil Björnson

Simultaneous wireless information and power transfer (SWIPT), which achieves both wireless energy transfer (WET) and information transfer, is an attractive technique for future Internet of Everything (IoE) in the sixth-generation (6G)…

信号处理 · 电气工程与系统科学 2024-06-11 Runyu Lyu , Wenchi Cheng , Bazhong Shen , Zhiyuan Ren , Hailin Zhang

This paper studies a multiple-input single-output (MISO) broadcast channel (BC) featuring simultaneous wireless information and power transfer (SWIPT), where a multi-antenna access point (AP) delivers both information and energy via radio…

信息论 · 计算机科学 2015-07-23 Shixin Luo , Jie Xu , Teng Joon Lim , Rui Zhang

The performance of Simultaneous Wireless Information and Power Transfer (SWIPT) is mainly constrained by the received Radio-Frequency (RF) signal strength. To tackle this problem, we introduce an Intelligent Reflecting Surface (IRS) to…

信息论 · 计算机科学 2021-12-06 Yang Zhao , Bruno Clerckx , Zhenyuan Feng

We consider fronthaul-limited generalized zeroforcing-based cell-free massive multiple-input multiple-output (CF-mMIMO) systems with multiple-antenna users and multipleantenna access points (APs) relying on both cooperative beamforming (CB)…

信息论 · 计算机科学 2025-06-18 Zahra Mobini , Ahmet Hasim Gokceoglu , Li Wang , Gunnar Peters , Hien Quoc Ngo

This paper explores the potential of wireless power transfer (WPT) in massive multiple input multiple output (MIMO) aided heterogeneous networks (HetNets), where massive MIMO is applied in the macrocells, and users aim to harvest as much…

信息论 · 计算机科学 2016-11-17 Yongxu Zhu , Lifeng Wang , Kai-Kit Wong , Shi Jin , Zhongbin Zheng

In this letter, we study the resource allocation for a multiuser intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, a multi-antenna base station (BS) transmits…

信息论 · 计算机科学 2021-03-11 A. Khalili , S. Zargari , Q. Wu , D. W. K. Ng , R. Zhang

This paper investigates multi-target detection in an integrated sensing and communication (ISAC) system within a cell-free massive MIMO (CF-mMIMO) framework. We adopt a user-centric approach for communication user equipments (UEs) and a…

信号处理 · 电气工程与系统科学 2025-07-24 Zinat Behdad , Ozlem Tugfe Demir , Ki Won Sung , Cicek Cavdar