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

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This paper unifies integrated sensing and communication (ISAC) and simultaneous wireless information and power transfer (SWIPT), by investigating a new multi-functional multiple-input multiple-output (MIMO) system integrating wireless…

信息论 · 计算机科学 2022-11-01 Yilong Chen , Haocheng Hua , Jie Xu

User-centric cell-free (UCCF) massive multiple-input multiple-output (MIMO) systems are considered a viable solution to realize the advantages offered by cell-free (CF) networks, including reduced interference and consistent quality of…

信息论 · 计算机科学 2025-04-15 S. Salehi , S. Mashdour , O. Tamyigit , S. Seyedmasoumian , M. Moradikia , R. C. de Lamare , A. Schmeink

With the explosive growth of data traffic and the ubiquitous connectivity of wireless devices, the energy demands of wireless networks have inevitably escalated. Reconfigurable intelligent surface (RIS) has emerged as a promising solution…

信号处理 · 电气工程与系统科学 2025-12-16 Hongyi Luo , Wenyu Song , Daniel K. C. So , Zahra Mobini , Zhiguo Ding

This paper considers a mmWave cell-free massive MIMO (multiple-input multiple-output) network composed of a large number of geographically distributed access points (APs) simultaneously serving multiple user equipments (UEs) via coherent…

信号处理 · 电气工程与系统科学 2023-11-03 Mahmoud Zaher , Emil Björnson , Marina Petrova

Cell-free (CF) massive multiple-input-multiple-output (mMIMO) deployments are usually investigated with half-duplex nodes and high-capacity fronthaul links. To leverage the possible gains in throughput and energy efficiency (EE) of…

信号处理 · 电气工程与系统科学 2021-08-11 Soumyadeep Datta , Ekant Sharma , Dheeraj Naidu Amudala , Rohit Budhiraja , Shivendra S. Panwar

This work proposes a joint power control and access points (APs) scheduling algorithm for uplink cell-free massive multiple-input multiple-output (CF-mMIMO) networks without channel hardening assumption. Extensive studies have done on the…

信号处理 · 电气工程与系统科学 2024-10-28 Hyeonsik Yeom , Junguk Park , Jinho Choi , Jeongseok Ha

In future sixth-generation (6G) mobile networks, the Internet-of-Everything (IoE) is expected to provide extremely massive connectivity for small battery-powered devices. Indeed, massive devices with limited energy storage capacity impose…

信息论 · 计算机科学 2022-01-31 Enyu Shi , Jiayi Zhang , Shuaifei Chen , Jiakang Zheng , Yan Zhang , Derrick Wing Kwan Ng , Bo Ai

This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to their respective receivers, and at the same time…

信息论 · 计算机科学 2016-11-18 Seunghyun Lee , Liang Liu , Rui Zhang

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

We consider the downlink of a cell-free massive multiple-input multiple-output (MIMO) network where numerous distributed access points (APs) serve a smaller number of users under time division duplex operation. An important issue in…

信息论 · 计算机科学 2017-04-12 L. D. Nguyen , T. Q. Duong , H. Q. Ngo , K. Tourki

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

Cell-free (CF) massive multiple-input-multiple-output (mMIMO) deployments are usually investigated with half-duplex nodes and high-capacity fronthaul links. To leverage the possible gains in throughput and energy efficiency (EE) of…

信号处理 · 电气工程与系统科学 2021-12-13 Soumyadeep Datta , Dheeraj Naidu Amudala , Ekant Sharma , Rohit Budhiraja , Shivendra S. Panwar

Cell-free massive MIMO (multiple-input multiple-output) enhances spectral and energy efficiency compared to conventional cellular networks by enabling joint transmission and reception across a large number of distributed access points…

信号处理 · 电气工程与系统科学 2026-02-10 Özlem Tuğfe Demir , Emil Björnson

This paper addresses the power control design for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where many access points are deployed to simultaneously…

信号处理 · 电气工程与系统科学 2025-11-13 Sergi Liesegang , Stefano Buzzi

Joint unicast and multicast transmissions are becoming increasingly important in practical wireless systems, such as Internet of Things networks. This paper investigates a cell-free massive multiple-input multiple-output system that…

信号处理 · 电气工程与系统科学 2025-08-20 Mustafa S. Abbas , Zahra Mobini , Hien Quoc Ngo , Hyundong Shin , Michail Matthaiou

We consider simultaneous wireless information and power transfer (SWIPT) in MIMO Broadcast networks where one energy harvesting (EH) user and one information decoding (ID) user share the same time and frequency resource. In contrast to…

信息论 · 计算机科学 2014-10-17 Changick Song , Cong Ling , Jaehyun Park , Bruno Clerckx

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

In this paper, we explore the integration of low-power, low-cost stacked intelligent metasurfaces (SIM) into cell-free (CF) massive multiple-input multiple-output (mMIMO) systems to enhance access point (AP) capabilities and address high…

信息论 · 计算机科学 2024-09-20 Enyu Shi , Jiayi Zhang , Yiyang Zhu , Jiancheng An , Chau Yuen , Bo Ai

In this work, we consider a multiple-input single-output system in which an access point (AP) performs a simultaneous wireless information and power transfer (SWIPT) to serve a user terminal (UT) that is not equipped with external power…

信息论 · 计算机科学 2016-05-19 Chen-Feng Liu , Marco Maso , Subhash Lakshminarayana , Chia-Han Lee , Tony Q. S. Quek

Constrained by weak signal strength and significant inter-cell interference, users located at the cell edge in a cellular network suffer from inferior service quality. Recently, cell-free massive MIMO (CFmMIMO) has gained considerable…

信息论 · 计算机科学 2025-02-25 Wei Jiang , Hans Dieter Schotten