中文
相关论文

相关论文: LoFi User Scheduling for Multiuser MIMO Wireless S…

200 篇论文

Supporting immense throughput and ubiquitous connectivity holds paramount importance for future wireless networks. To this end, this letter focuses on how the spatial beams configured for legacy near-field (NF) users can be leveraged to…

信息论 · 计算机科学 2024-12-03 Jiasi Zhou , Cong Zhou , Yijie Mao , Chintha Tellambura

Multimode fibers (MMFs) offer a cost-effective connection solution for small and medium length networks. However, data rates through multimode fibers are traditionally limited by modal dispersion. Signal processing and Multiple-Input…

光学 · 物理学 2011-10-06 Kumar Appaiah , Sagi Zisman , Sriram Vishwanath , Seth R. Bank

This paper investigates the design of precoders for single-user multiple-input multiple-output (MIMO) channels, and in particular for finite-alphabet signals. Based on an asymptotic expression for the mutual information of channels…

信息论 · 计算机科学 2017-04-18 Yongpeng Wu , Chao-Kai Wen , Derrick Wing Kwan Ng , Robert Schober , Angel Lozano

In this paper, we study the scheduling problem for downlink transmission in a multi-channel (e.g., OFDM-based) wireless network. We focus on a single cell, with the aim of developing a unifying framework for designing low-complexity…

网络与互联网体系结构 · 计算机科学 2013-11-19 Bo Ji , Gagan R. Gupta , Xiaojun Lin , Ness B. Shroff

A power optimal scheduling algorithm that guarantees desired throughput and bounded delay to each user is developed for fading multi-access multi-band systems. The optimization is over the joint space of all rate allocation and coding…

信息论 · 计算机科学 2007-07-13 Prasanna Chaporkar , Kimmo Kansanen , Ralf R. Müller

The Massive MIMO (multiple-input multiple-output) technology has great potential to manage the rapid growth of wireless data traffic. Massive MIMO achieves tremendous spectral efficiency by spatial multiplexing of many tens of user…

Massive multiple-input multiple-output (MIMO) is a fundamental enabler to provide high data throughput in next generation cellular networks. By equipping the base stations (BSs) with tens or hundreds of antenna elements, narrow and high…

网络与互联网体系结构 · 计算机科学 2018-01-26 Paolo Baracca , Andreas Weber , Thorsten Wild , Christophe Grangeat

WiMAX (Worldwide Interoperability for Microwave Access) technology has emerged in response to the increasing demand for multimedia services in the internet broadband networks. WiMAX standard has defined five different scheduling services to…

网络与互联网体系结构 · 计算机科学 2014-10-23 Tarik Anouari , Abdelkrim Haqiq

We consider a leader-follower formation control setup as an example for a multi-agent networked control system (NCS). This paper proposes an event-based wireless communication scheme with a MIMO precoder, that dynamically adapts to both the…

系统与控制 · 电气工程与系统科学 2020-05-19 Yasemin Karacora , Aydin Sezgin

Light fidelity (LiFi) is a potential key technology for future 6G networks. However, its feasibility of supporting mobile communications has not been fundamentally discussed. In this paper, we investigate the time-varying channel…

系统与控制 · 电气工程与系统科学 2023-12-21 Shuai Ma , Haihong Sheng , Junchang Sun , Hang Li , Xiaodong Liu , Chen Qiu , Majid Safari , Naofal Al-Dhahir , Shiyin Li

Millimeter-wave and terahertz technologies have been attracting attention from the wireless research community since they can offer large underutilized bandwidths which can enable the support of ultra-high-speed connections in future…

信号处理 · 电气工程与系统科学 2021-07-27 Joao Pedro Pavia , Vasco Velez , Renato Ferreira , Nuno Souto , Marco Ribeiro , Joao Silva , Rui Dinis

We investigate the network stability problem when two users are scheduled simultaneously. The key idea is to simultaneously transmit to more than one users experiencing different channel conditions by employing hierarchical modulation. For…

网络与互联网体系结构 · 计算机科学 2012-01-06 Mehmet Karaca , Ozgur Ercetin

We investigate inter-satellite cooperative transmission in a multiple low-Earth orbit (LEO) satellite communication system to enhance spectral efficiency. Specifically, we design multiple-input multipleoutput (MIMO) precoding at LEO…

信号处理 · 电气工程与系统科学 2025-08-18 Sangwon Jo , Seok-Hwan Park

Cooperative positioning with multiple low earth orbit (LEO) satellites is promising in providing location-based services and enhancing satellite-terrestrial communication. However, positioning accuracy is greatly affected by inter-beam…

信息论 · 计算机科学 2024-04-02 Hongtao Xv , Yaohua Sun , Yafei Zhao , Mugen Peng , Shijie Zhang

We investigate the performance of a multiple reconfigurable intelligence surface (RIS)-aided millimeter wave (mmWave) beamspace multiple-input multiple-output (MIMO) system with multiple users (UEs). We focus on a challenging scenario in…

Cell-free massive multiple-input multiple-output (CF mMIMO) systems are characterized by having many more access points (APs) than user equipments (UEs). A key challenge is to determine which APs should serve which UEs. Previous work has…

信息论 · 计算机科学 2022-05-09 Shuaifei Chen , Jiayi Zhang , Emil Björnson , Özlem Tuğfe Demir , Bo Ai

Massive multiple-input multiple-output (MIMO) is expected to be a vital component in future 5G systems. As such, there is a need for new modeling in order to investigate the performance of massive MIMO not only at the physical layer, but…

信号处理 · 电气工程与系统科学 2019-05-13 Emma Fitzgerald , Michał Pióro , Fredrik Tufvesson

Due to its ability to precisely control wireless beams, holographic multiple-input multiple-output (HMIMO) is expected to be a promising solution to achieve high-accuracy localization. However, as the scale of HMIMO increases to improve…

信号处理 · 电气工程与系统科学 2025-07-23 Mengyuan Cao , Haobo Zhang , Yonina C. Eldar , Hongliang Zhang

To deal with the ever increasing data rate demand in wireless systems, suitable backhaul solutions have to be found. One option is to use LOS MIMO systems at mmWave frequencies, as high bandwidths and spectral efficiencies will be able to…

信息论 · 计算机科学 2016-04-13 Tim Hälsig , Berthold Lankl

Multiuser multiple-input multiple-output (MIMO) systems are a prime candidate for use in massive connection density in machine-type communication (MTC) networks. One of the key challenges of MTC networks is to obtain accurate channel state…

信息论 · 计算机科学 2019-04-25 Jiho Song , Byungju Lee , Song Noh , Jong-Ho Lee
‹ 上一页 1 8 9 10 下一页 ›