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Beam divergence control is a key factor in maintaining reliable coverage in indoor optical wireless communication (OWC) systems as receiver height varies.Conventional systems employ fixed divergence angles, which result in significant…

最优化与控制 · 数学 2026-02-04 Hossein Safi , Rizwana Ahmad , Iman Tavakkolnia , Harald Haas

Due to the low power consumption and low cost nature of transmissive reconfigurable intelligent surface (RIS),in this paper, we propose a downlink multi-user rate-splitting multiple access (RSMA) architecture based on the transmissive RIS…

信息论 · 计算机科学 2023-07-25 Bojiang Li , Wen Chen , Zhendong Li , Qingqing Wu , Nan Cheng , Changle Li , Linglong Dai

This chapter is devoted to discussing the integration of intelligent reflecting surfaces (IRSs), or intelligent walls, in optical wireless communication (OWC) systems. IRS technology is a revolutionary concept that enables communication…

信号处理 · 电气工程与系统科学 2023-04-11 Anil Yesilkaya , Hanaa Abumarshoud , Harald Haas

Intelligent reflecting surface (IRS) is envisioned as a promising hardware solution to hardware cost and energy consumption in the fifth-generation (5G) mobile communication network. It exhibits great advantages in enhancing data…

信息论 · 计算机科学 2024-10-30 Zhe Xing , Rui Wang , Jun Wu , Erwu Liu

Optical Wireless Communication (OWC) is regarded as an auspicious communication approach that can outperform the existing wireless technology. It utilizes LED lights, whose subtle variation in radiant intensity generate a binary data…

机器人学 · 计算机科学 2022-05-10 Fadi Al-Turjman , Diletta Cacciagrano , Leonardo Mostarda , Mattia Paccamiccio , Zaib Ullah

Opportunistic Routing (OR) scheme increases the transmission reliability despite the lossy wireless radio links by exploiting the broadcast nature of the wireless medium. However, OR schemes in low power Wireless Sensor Network (WSN) leads…

网络与互联网体系结构 · 计算机科学 2019-12-24 Jayavignesh Thyagarajan , Suganthi K

High-speed railway (HSR) communications will become a key feature supported by intelligent transportation communication systems. The increasing demand for HSR communications leads to significant attention on the study of radio resource…

信息论 · 计算机科学 2016-03-18 Shengfeng Xu , Gang Zhu , Bo Ai , Zhangdui Zhong

This work studies the problem of secrecy energy efficiency maximization in multi-user wireless networks aided by reconfigurable intelligent surfaces, in which an eavesdropper overhears the uplink communication. A provably convergent…

信号处理 · 电气工程与系统科学 2024-08-20 Robert Kuku Fotock , Agbotiname Lucky Imoize , Alessio Zappone , Marco Di Renzo , Roberto Garello

This paper investigates the resource management problem in multi-carrier rate-splitting multiple access (MC-RSMA) systems with imperfect channel state information (CSI) and successive interference cancellation (SIC) for ultra-reliable and…

信号处理 · 电气工程与系统科学 2024-04-23 Xiaoyu Ou , Shuping Dang , Zhihan Ren , Angela Doufexi

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Wireless nodes in future communication systems need to overcome three barriers when compared to their transitional counterparts, namely to support significantly higher data rates, have long-lasting energy supplies and remain fully…

信息论 · 计算机科学 2017-11-07 Ali Kariminezhad , Aydin Sezgin

The current development trend of wireless communications aims at coping with the very stringent reliability and latency requirements posed by several emerging Internet of Things (IoT) application scenarios. Since the problem of realizing…

网络与互联网体系结构 · 计算机科学 2025-03-03 Federico Librino , Paolo Santi

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

信息论 · 计算机科学 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies for future wireless networks, which potentially need to operate in multiple frequency bands to satisfy ever-increasing demands for both…

信息论 · 计算机科学 2025-07-11 Nemanja Stefan Perović , Mark F. Flanagan , Le-Nam Tran

Vertical heterogeneous networks (vHetNets) are promising architectures to bring significant advantages for 6G and beyond mobile communications. High altitude platform station (HAPS), one of the nodes in the vHetNets, can be considered as a…

系统与控制 · 电气工程与系统科学 2023-10-02 Afsoon Alidadi Shamsabadi , Animesh Yadav , Omid Abbasi , Halim Yanikomeroglu

Over the past few years, the prevalence of wireless devices has become one of the essential sources of electromagnetic (EM) radiation to the public. Facing with the swift development of wireless communications, people are skeptical about…

信息论 · 计算机科学 2023-04-19 Hanyu Jiang , Li You , Ahmed Elzanaty , Jue Wang , Wenjin Wang , Xiqi Gao , Mohamed-Slim Alouini

This work studies the optimization of rate-splitting multiple access (RSMA) transmission technique for a cloud radio access network (C-RAN) downlink system. Main idea of RSMA is to split the message for each user equipment (UE) to private…

信号处理 · 电气工程与系统科学 2019-07-05 Daesung Yu , Junbeom Kim , Seok-Hwan Park

Future 5G cellular networks supporting ultra-reliable, low-latency communications (URLLC) could employ random access communication to reduce the overhead compared to scheduled access techniques used in 4G networks. We consider a wireless…

信息论 · 计算机科学 2018-06-06 Derya Malak , Howard Huang , Jeffrey G. Andrews

Optical wireless communication (OWC) meets the demands of the future six-generation mobile network (6G) as it operates at several hundreds of Terahertz and has the potential to enable data rate in the order of Tbps. However, most beam…

信号处理 · 电气工程与系统科学 2021-10-12 Mingliang Xiong , Qingwen Liu , Xin Wang , Shengli Zhou , Bin Zhou , Zhiyong Bu

Intelligent reflecting surface (IRS) is a promising new technology for achieving spectrum and energy efficient wireless communication systems in the future. By adaptively varying the incident signals' phases/amplitudes and thereby…

信号处理 · 电气工程与系统科学 2019-08-22 Yifei Yang , Shuowen Zhang , Rui Zhang
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