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相关论文: Network-Assisted Full-Duplex Cell-Free Massive MIM…

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In-band full-duplex (FD) operation is practically more suited for short-range communications such as WiFi and small-cell networks, due to its current practical limitations on the self-interference cancellation. In addition, cell-free…

信号处理 · 电气工程与系统科学 2020-01-22 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten , Oh-Soon Shin

Network assisted full-duplex (NAFD) is a spatial-division duplex technique for future wireless networks with cell-free massive multiple-input multiple-output (CF massive MIMO) network, where a large number of remote antenna units (RAUs),…

信息论 · 计算机科学 2019-05-28 Dongming Wang , Menghan Wang , Pengcheng Zhu , Jiamin Li , Jiangzhou Wang , Xiaohu You

We consider a cell-free massive multiple-input multiple-output (MIMO) network utilizing a virtually full-duplex (vFD) mode, where access points (APs) with a downlink (DL) mode and those with an uplink (UL) mode simultaneously serve DL and…

信息论 · 计算机科学 2022-05-16 Mohammadali Mohammadi , Tung T. Vu , Behnaz Naderi Beni , Hien Quoc Ngo , Michail Matthaiou

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

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

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

A multicarrier-division duplex (MDD)-based cell-free (CF) scheme, namely MDD-CF, is proposed, which enables downlink (DL) data and uplink (UL) data or pilots to be concurrently transmitted on mutually orthogonal subcarriers in distributed…

信息论 · 计算机科学 2022-11-01 Bohan Li , Lie-Liang Yang , Robert G. Maunder , Songlin Sun , Pei Xiao

This paper investigates the combined benefits of full-duplex (FD) and cell-free massive multiple-input multipleoutput (CF-mMIMO), where a large number of distributed access points (APs) having FD capability simultaneously serve numerous…

信号处理 · 电气工程与系统科学 2020-07-10 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten , Oh-Soon Shin

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

In this paper, we investigate network-assisted full-duplex (NAFD) cell-free millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems with digital-to-analog converter (DAC) quantization and fronthaul compression. We…

信息论 · 计算机科学 2023-02-20 Jiamin Li , Qingrui Fan , Yu Zhang , Pengcheng Zhu , Dongming Wang , Hao Wu , Xiaohu You

Cell-free massive multiple-input multiple-output is a potential candidate for future networks with pervasive connectivity by utilizing coherent joint transmission and distributed antenna arrays. This paper studies the exploitation of…

信号处理 · 电气工程与系统科学 2026-04-14 Trinh Van Chien , Bui Trong Duc , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

Motivated by the ever-growing demand for \emph{green} wireless communications and the advantages of \emph{cell-free} (CF) massive multiple-input multiple-output (MIMO) systems, we focus on the design of their downlink for optimal…

Cell-free massive multiple-input multiple-output (CF mMIMO) systems serve the user equipments (UEs) by geographically distributed access points (APs) by means of joint transmission and reception. To limit the power consumption due to…

信号处理 · 电气工程与系统科学 2023-04-25 Shuaifei Chen , Jiayi Zhang , Emil Björnson , Özlem Tuğfe Demir , Bo Ai

Cell-Free Massive MIMO comprises a large number of distributed single-antenna access points (APs) serving a much smaller number of users. There is no partitioning into cells and each user is served by all APs. In this paper, the uplink…

信息论 · 计算机科学 2017-02-13 Elina Nayebi , Alexei Ashikhmin , Thomas L. Marzetta , Bhaskar D. Rao

Network-assisted full-duplex (NAFD) distributed massive multiple input multiple output (M-MIMO) enables the in-band full-duplex with existing half-duplex devices at the network level, which exceptionally improves spectral efficiency. This…

信息论 · 计算机科学 2023-06-21 Xiangning Song , Zhenhao Ji , Jiamin Li , Pengcheng Zhu , Dongming Wang , Xiaohu You

This paper investigates the network-assisted full-duplex (NAFD) cell-free millimeter-wave (mmWave) networks, where the distribution of the transmitting access points (T-APs) and receiving access points (R-APs) across distinct geographical…

信息论 · 计算机科学 2024-04-02 Qingrui Fan , Yu Zhang , Jiamin Li , Dongming Wang , Hongbiao Zhang , Xiaohu You

The physical layer foundations of cell-free massive MIMO (CF-mMIMO) have been well-established. As a next step, researchers are investigating practical and energy-efficient network implementations. This paper focuses on multiple sets of…

信号处理 · 电气工程与系统科学 2024-05-14 Özlem Tuğfe Demir , Lianet Méndez-Monsanto , Nicola Bastianello , Emma Fitzgerald , Gilles Callebaut

We consider a cell-free massive multiple-input multiple-output (CFmMIMO) network operating in dynamic time division duplex (DTDD). The switching point between the uplink (UL) and downlink (DL) data transmission phases can be adapted…

信号处理 · 电气工程与系统科学 2024-06-21 Martin Andersson , Tung T. Vu , Pål Frenger , Erik G. Larsson

We present an overview of ongoing research endeavors focused on in-band full-duplex (IBFD) massive multiple-input multiple-output (MIMO) systems and their applications. In response to the unprecedented demands for mobile traffic in…

信息论 · 计算机科学 2024-09-17 Mohammadali Mohammadi , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

Integrating cell-free massive MIMO (CF-mMIMO) into satellite-unmanned aerial vehicle (UAV) networks offers an effective solution for enhancing connectivity. In this setup, UAVs serve as access points (APs) of a terrestrial CF-mMIMO network…

信息论 · 计算机科学 2024-07-25 Thong-Nhat Tran , Giovanni Interdonato
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