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相关论文: An Information-Theoretic Characterization of MIMO-…

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The fluid antenna (FA) index modulation (IM)-enabled multiple-input multiple-output (MIMO) system, referred to as FA-IM, significantly enhances spectral efficiency (SE) compared to the conventional FA-assisted MIMO system. To improve…

信息论 · 计算机科学 2024-12-31 Xinghao Guo , Yin Xu , Dazhi He , Cixiao Zhang , Hanjiang Hong , Kai-Kit Wong , Wenjun Zhang , Yiyan Wu

Cell-free massive multiple-input multiple-output (MIMO) is a potential key technology for fifth generation wireless communication networks. A mixed quality-of-service (QoS) problem is investigated in the uplink of a cell-free massive MIMO…

信号处理 · 电气工程与系统科学 2018-06-20 Manijeh Bashar , Kanapathippillai Cumanan , Alister G. Burr , Hien Quoc Ngo , H. Vincent Poor

Fluid antenna multiple access (FAMA) enables each user to rapidly switch among several closely spaced ports and select the strongest received signal. Although this mechanism offers micro-scale spatial diversity, its behavior in multiuser…

信息论 · 计算机科学 2026-05-25 Anastasios Papazafeiropoulos

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

The concept of continuous-aperture multiple-input multiple-output (CAP-MIMO) technology has been proposed recently, which aims at achieving high spectrum efficiency by deploying extremely dense antennas or even continuous antennas in a…

信息论 · 计算机科学 2023-02-01 Zhongzhichao Wan , Jieao Zhu , Linglong Dai

Massive multi-input multi-output (MIMO) uses a very large number of low-power transmit antennas to serve much smaller numbers of users. The most widely proposed type of massive MIMO transmit beamforming is zero-forcing, which is based on…

信息论 · 计算机科学 2017-12-12 Long D. Nguyen , Hoang D. Tuan , Trung Q. Duong , H. Vincent Poor

Multi-user Multiple-Input Multiple-Output (MIMO) offers big advantages over conventional point-to-point MIMO: it works with cheap single-antenna terminals, a rich scattering environment is not required, and resource allocation is simplified…

信息论 · 计算机科学 2016-11-18 Erik G. Larsson , Ove Edfors , Fredrik Tufvesson , Thomas L. Marzetta

In this Paper, the effective capacity of a multiple-input multiple-output (MIMO) system in two different cases with receive antenna selection (RAS) and transmit antenna selection (TAS) schemes is investigated. A closed-form solution for the…

信息论 · 计算机科学 2016-08-09 Mohammad Lari , Abbas Mohammadi , Abdolali Abdipour , Inkyu Lee

This correspondence investigates the novel fluid antenna system (FAS) technology, combining with reconfigurable intelligent surface (RIS) for wireless communications, where a base station (BS) communicates with a FAS-enabled user with the…

信号处理 · 电气工程与系统科学 2024-08-27 Junteng Yao , Jianchao Zheng , Tuo Wu , Ming Jin , Chau Yuen , Kai-Kit Wong , Fumiyuki Adachi

In the evolving environment of mobile edge computing (MEC), optimizing system performance to meet the growing demand for low-latency computing services is a top priority. Integrating fluidic antenna (FA) technology into MEC networks…

信息论 · 计算机科学 2024-03-19 Yiping Zuo , Jiajia Guo , Biyun Sheng , Chen Dai , Fu Xiao , Shi Jin

Fluid antenna multiple access (FAMA) exploits the spatial opportunities in wireless channels to overcome multiuser interference by position (a.k.a.~port) switching, which can achieve better performance compared to traditional fixed…

信息论 · 计算机科学 2025-02-20 Xiao Lin , Yizhe Zhao , Halvin Yang , Jie Hu , Kai-Kit Wong

Network densification, massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) bands have recently emerged as some of the physical layer enablers for the future generations of wireless communication networks (5G and…

信号处理 · 电气工程与系统科学 2019-02-21 Guillem Femenias , Felip Riera-Palou

Future sixth-generation (6G) networks require high spectral efficiency (SE), massive connectivity, and stringent reliability under imperfect channel state information at the transmitter. Rate-splitting multiple access (RSMA) addresses part…

信号处理 · 电气工程与系统科学 2026-04-15 Jinyuan Liu , Yong Liang Guan , Hong Niu , Qian Zhang , Mérouane Debbah , Hyundong Shin , Bruno Clerckx

We consider multi-input multi-output (MIMO) communications over multi-mode fibers (MMFs). Current MMF standards, such as OM3 and OM4, use fibers with core radii of 50 \mu m, allowing hundreds of modes to propagate. Unfortunately, due to…

信息论 · 计算机科学 2013-04-02 Peter Kairouz , Andrew Singer

This paper addresses the challenge of large model (LM)-embedded wireless network for handling the trade-off problem of model accuracy and network latency. To guarantee a high-quality of users' service, the network latency should be…

信号处理 · 电气工程与系统科学 2025-08-05 Yichen Jin , Zongze Li , Zeyi Ren , Qingfeng Lin , Yik-Chung Wu

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

Conventional multiple-input multiple-output (MIMO) systems mainly rely on fixed antenna arrays, which limits their capability to adapt the effective channel matrix to the propagation environment. Rotatable antennas (RAs), which enable…

信息论 · 计算机科学 2026-04-30 Zheng Ailing , Wu Qingqing , Peng Xingxiang , Peng Qiaoyan , Zheng Ziyuan , Chen Wen

This paper studies the performance of transmission schemes that have rate that increases with average SNR while maintaining a fixed outage probability. This is in contrast to the classical Zheng-Tse diversity-multiplexing tradeoff (DMT)…

信息论 · 计算机科学 2007-10-09 Peng Wu , Nihar Jindal

We consider a bi-directional Full-Duplex (FD) Multiple-Input Multiple-Output (MIMO) communication system in which nodes are capable of performing transitter (TX)- Receiver (RX) digital precoding/combining and multi-tap analog cancellation,…

信息论 · 计算机科学 2018-09-25 Hiroki Iimori , Giuseppe Abreu , George C. Alexandropoulos

Fluid antenna enables position reconfigurability that gives transceiver access to a high-resolution spatial signal and the ability to avoid interference through the ups and downs of fading channels. Previous studies investigated this fluid…

信号处理 · 电气工程与系统科学 2025-04-30 Tianyu Han , Yongxu Zhu , Kai-Kit Wong , Gan Zheng , Hyundong Shin