中文
相关论文

相关论文: Energy Reduction in Cell-Free Massive MIMO through…

200 篇论文

In this paper, we analyze the achievable downlink spectral efficiency of cell-free massive multiple input multiple output (CF-mMIMO) systems, accounting for the effects of channel aging (caused by user mobility) and pilot contamination. We…

信息论 · 计算机科学 2022-09-08 Abhinav Anand , Chandra R. Murthy , Ribhu Chopra

This study explores a next-generation multiple access (NGMA) framework for cell-free massive MIMO (CF-mMIMO) systems enhanced by stacked intelligent metasurfaces (SIMs), aiming to improve simultaneous wireless information and power transfer…

信号处理 · 电气工程与系统科学 2026-02-25 Thien Duc Hua , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

The decoupling of data and control planes, as proposed for 5G networks, will enable the efficient implementation of multitier networks where user equipment (UE) nodes obtain coverage and connectivity through the top-tier macro-cells, and,…

As sixth-generation (6G) networks continue to evolve, AI-driven solutions are playing a crucial role in enabling more efficient and adaptive resource management in wireless communication. One of the key innovations in 6G is user-centric…

网络与互联网体系结构 · 计算机科学 2025-05-29 Selina Cheggour , Valeria Loscri

We derive a fast and optimal algorithm for solving practical weighted max-min SINR problems in cell-free massive MIMO networks. For the first time, the optimization problem jointly covers long-term power control and distributed beamforming…

信息论 · 计算机科学 2022-09-01 Lorenzo Miretti , Renato Luis Garrido Cavalcante , Slawomir Stanczak

Massive multiple-input multiple-output (mMIMO) antenna systems and inter-band carrier aggregation (CA)-enabled multi-band communication are two key technologies to achieve very high data rates in beyond fifth generation (B5G) wireless…

网络与互联网体系结构 · 计算机科学 2024-07-31 Nuwan Balasuriya , Amine Mezghani , Ekram Hossain

In this paper, we investigate the amalgamation of cell-free (CF) and extremely large-scale multiple-input multiple-output (XL-MIMO) technologies, referred to as a CF XL-MIMO, as a promising advancement for enabling future mobile networks.…

信息论 · 计算机科学 2024-06-18 Ziheng Liu , Jiayi Zhang , Zhilong Liu , Derrick Wing Kwan Ng , Bo Ai

Federated Learning (FL) enables clients to share learning parameters instead of local data, reducing communication overhead. Traditional wireless networks face latency challenges with FL. In contrast, Cell-Free Massive MIMO (CFmMIMO) can…

机器学习 · 计算机科学 2024-12-31 Afsaneh Mahmoudi , Ming Xiao , Emil Björnson

Cell-free massive multiple-input-multiple-output (mMIMO) is an emerging technology for beyond 5G with its promising features such as higher spectral efficiency and superior spatial diversity as compared to conventional…

信息论 · 计算机科学 2020-12-29 Zakir Hussain Shaik , Emil Björnson , Erik G. Larsson

This paper considers a cell-free massive multipleinput multiple-output (MIMO) integrated sensing and communication (ISAC) system, where distributed MIMO access points (APs) are used to jointly serve the communication users and detect the…

信息论 · 计算机科学 2023-10-16 Mohamed Elfiatoure , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

Cell-free massive multiple-input multiple-output (mMIMO) and extremely large-scale MIMO (XL-MIMO) are regarded as promising innovations for the forthcoming generation of wireless communication systems. Their significant advantages in…

信息论 · 计算机科学 2023-10-04 Zhilong Liu , Jiayi Zhang , Ziheng Liu , Hongyang Du , Zhe Wang , Dusit Niyato , Mohsen Guizani , Bo Ai

Cell-free (CF) architecture and full-duplex (FD) communication are leading candidates for next-generation wireless networks. The CF framework removes cell boundaries in traditional cell-based systems, thereby mitigating inter-cell…

信号处理 · 电气工程与系统科学 2024-12-09 Diluka Galappaththige , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou , Chintha Tellambura

Limited-backhaul cell-free Massive multiple-input multiple-output (MIMO), in which the fog radio access network (F-RAN) is implemented to exchange the information between access points (APs) and the central processing unit (CPU), is…

Cell-free widely distributed massive multiple-input multiple-output (MIMO) systems utilize radio units spread out over a large geographical area. The radio signal of a user equipment (UE) is coherently detected by a subset of radio units…

信号处理 · 电气工程与系统科学 2022-08-31 David Löschenbrand , Markus Hofer , Laura Bernadó , Stefan Zelenbaba , Thomas Zemen

The high spectral efficiency of massive MIMO (Multiple Input Multiple Output) is mainly achieved through the exploitation of spatial multiplexing, i.e. by using a high number of MIMO layers that are applied simultaneously to many users. The…

信号处理 · 电气工程与系统科学 2019-06-13 Hardy Halbauer , Andreas Weber , Dirk Wiegner , Thorsten Wild

A novel dynamic hybrid beamforming architecture is proposed to achieve the spatial multiplexing-power consumption tradeoff for near-field multiple-input multiple-output (MIMO) networks, where each radio frequency (RF) chain is connected to…

信息论 · 计算机科学 2023-12-27 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen , Tony Q. S. Quek

The rapid proliferation of devices and increasing data traffic in cellular networks necessitate advanced solutions to meet these escalating demands. Massive MIMO (Multiple Input Multiple Output) technology offers a promising approach,…

信号处理 · 电气工程与系统科学 2025-05-09 Adel Heidari , Agrim Gupta , Ish Kumar Jain , Dinesh Bharadia

The use of a very large number of antennas at each base station site (referred to as "Massive MIMO") is one of the most promising approaches to cope with the predicted wireless data traffic explosion. In combination with Time Division…

网络与互联网体系结构 · 计算机科学 2015-02-10 Dilip Bethanabhotla , Ozgun Bursalioglu , Haralabos Papadopoulos , Giuseppe Caire

Cell-free massive multiple-input multiple-output (MIMO)-aided integrated sensing and communication (ISAC) systems are investigated where distributed access points jointly serve users and sensing targets. We demonstrate that only a subset of…

信息论 · 计算机科学 2025-07-15 Nguyen Xuan Tung , Le Tung Giang , Trinh Van Chien , Hoang Trong Minh , Lajos Hanzo

Cell-free massive MIMO communications is an emerging network technology for 5G wireless communications wherein distributed multi-antenna access points (APs) serve many users simultaneously. Most prior work on cell-free massive MIMO systems…

信息论 · 计算机科学 2020-01-22 Asmaa Abdallah , Mohammad M. Mansour