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相关论文: Robust Precoding for Multi-User Visible Light Comm…

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Channel state information (CSI) is crucial for achieving ultra-reliable low-latency communication (URLLC) in wireless networks. The main associated problems are the CSI acquisition time, which impacts the delay requirements of time-critical…

网络与互联网体系结构 · 计算机科学 2023-08-10 Dian Echevarría Pérez , Onel L. Alcaraz López , Hirley Alves

The massive deployment of light-emitting diode (LED) lightning infrastructure has opened the opportunity to reuse it as visible light communication (VLC) to leverage the current RF spectrum crisis in indoor scenarios. One of the main…

信息论 · 计算机科学 2020-04-20 Francisco J. Escribano , José Sáez-Landete , Alexandre Wagemakers

This paper addresses precoder design for secure multiple-input multiple-output (MIMO) integrated sensing and communications (ISAC) systems. We introduce a MIMO channel with a multiple-antenna eavesdropper and a multiple-antenna sensing…

信号处理 · 电气工程与系统科学 2026-03-09 Seongkyu Jung , Namyoon Lee , Jeonghun Park

This paper considers the joint transceiver design for downlink multiuser multiple-input single-output (MISO) systems with coordinated base stations (BSs) where imperfect channel state information (CSI) is available at the BSs and mobile…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw , Luc Vandendorpe , Batu Krishna Chalise

Visible light communication (VLC) is one of the main technologies driving the future 5G communication systems due to its ability to support high data rates with low power consumption, thereby facilitating high speed green communications. To…

信息论 · 计算机科学 2017-06-19 Rangeet Mitra , Vimal Bhatia

We consider the design of linear precoders and receivers in a Multiple-Input Single-Output (MISO) Broadcast Channel (BC). We aim at minimizing the transmit power while fullfiling a set of per-user Quality-of-Service (QoS) constraints…

信息论 · 计算机科学 2016-10-04 José P. González-Coma , Michael Joham , Paula M. Castro , Luis Castedo

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

A system that employs wavelength division multiplexing (WDM) in conjunction with subcarrier multiplexing (SCM) tones is proposed to realize high data rate multi-user indoor visible light communication (VLC). The SCM tones, which are…

信号处理 · 电气工程与系统科学 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Visible light communication (VLC)-based beacon systems, which usually transmit identification (ID) information in small-size data frames are applied widely in indoor localization applications. There is one fact that flicker of LED light…

信号处理 · 电气工程与系统科学 2018-05-31 Duc-Phuc Nguyen , Dinh-Dung Le , Thi-Hong Tran , Huu-Thuan Huynh , Yasuhiko Nakashima

This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease the effects of inter-symbol interference (ISI). To distinguish…

信号处理 · 电气工程与系统科学 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Visible light communication (VLC) builds upon the dual use of existing lighting infrastructure for wireless data transmission. VLC has recently gained interest as cost-effective, secure, and energy-efficient wireless access technology…

信号处理 · 电气工程与系统科学 2018-11-15 Saad Al-Ahmadi , Omar Maraqa , Murat Uysal , Sadiq M. Sait

Visible Light Communication (VLC) has gained great interest in the last decade due to the rapid developments in Light Emitting Diodes (LEDs) fabrication. Efficiency, durability and long life span of LEDs make them a promising residential…

网络与互联网体系结构 · 计算机科学 2015-12-14 Taner Cevik , Serdar Yilmaz

This paper addresses the optimization problem of symbol-level precoding (SLP) in the downlink of a multiuser multiple-input multiple-output (MU-MIMO) wireless system while the precoder's output is subject to partially-known distortions. In…

信号处理 · 电气工程与系统科学 2019-09-02 Alireza Haqiqatnejad , Shahram Shahbazpanahi , Björn Ottersten

This paper studies robust resource allocation algorithm design for a multiuser multiple-input single-output (MISO) cognitive radio (CR) downlink communication network. We focus on a secondary system which provides unicast secure wireless…

信息论 · 计算机科学 2016-11-15 Derrick Wing Kwan Ng , Mohammad Shaqfeh , Robert Schober , Hussein Alnuweiri

Cell-free (CF) multiuser multiple-input multiple-output (MU-MIMO) systems are an emerging technology that provides service simultaneously to multiple users but suffers from multiuser interference (MUI). In this work, we propose a robust…

信息论 · 计算机科学 2025-02-27 A. Flores , R. de Lamare

This paper introduces a novel approach to optimize energy efficiency in wavelength division multiplexing (WDM) Visible Light Communication (VLC) systems designed for indoor broadcasting networks. A physics-based LED model is integrated into…

系统与控制 · 电气工程与系统科学 2024-03-26 Dayu Shi , Xun Zhang , Ziqi Liu , Xuanbang Chen , Jianghao Li , Xiaodong Liu , William Shieh

Coarsely quantized massive Multiple-Input Multiple-Output (MIMO) systems are gaining more interest due to their power efficiency. We present a new precoding technique to mitigate the Multi-User Interference (MUI) and the quantization…

信息论 · 计算机科学 2018-01-30 Hela Jedda , Amine Mezghani , A. Lee Swindlehurst , Josef A. Nossek

In this paper, we propose a linear precoder for the downlink of a multi-user MIMO system with multiple users that potentially act as eavesdroppers. The proposed precoder is based on regularized channel inversion (RCI) with a regularization…

信息论 · 计算机科学 2013-04-23 Giovanni Geraci , Malcolm Egan , Jinhong Yuan , Adeel Razi , Iain B. Collings

In a cooperative multiple-antenna downlink cellular network, maximization of a concave function of user rates is considered. A new linear precoding technique called soft interference nulling (SIN) is proposed, which performs at least as…

信息论 · 计算机科学 2013-05-10 Chris T. K. Ng , Howard Huang

Wireless communications using light waves are called visible light communication. A technique called Physical-layer Network coding allows several users to communicate simultaneously over the same channel in a distributed space-time Coding…

信息论 · 计算机科学 2024-11-03 Abdellah Tahenni , Fatiha Merazka