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This paper studies the detection and performance analysis problems for a relay network with $N$ parallel decode-and-forward (DF) relays. Due to the distributed nature of this network, it is practically very challenging to fulfill the…

Information Theory · Computer Science 2020-08-25 Yuxin Lu , Wai Ho Mow

Gradient descent (GD) methods are commonly employed in machine learning problems to optimize the parameters of the model in an iterative fashion. For problems with massive datasets, computations are distributed to many parallel computing…

Information Theory · Computer Science 2019-03-06 Emre Ozfatura , Deniz Gunduz , Sennur Ulukus

In this paper, we investigate an integrated visible light positioning and communication (VLPC) system with a single LED-lamp. First, by leveraging the fact that the VLC channel model is a function of the receiver's location, we propose a…

Information Theory · Computer Science 2023-05-18 Shuai Ma , Ruixin Yang , Bing Li , Yongyan Chen , Hang Li , Youlong Wu , Majid Safari , Shiyin Li , Naofal Al-Dhahir

In this paper the secure performance for the visible light communication (VLC) system with multiple eavesdroppers is studied. By considering the practical amplitude constraint instead of an average power constraint in the VLC system, the…

Signal Processing · Electrical Eng. & Systems 2019-10-17 Xiaodong Liu , Yuhao Wang , Fuhui Zhou , Zhenyu Deng , Rose Qingyang Hu

Due to the recent re-allocation of the 5.9 GHz band by the US Federal Communications Commission (FCC), it will be inevitable that dedicated short-range communications (DSRC) and cellular vehicle-to-everything (C-V2X), two representative…

Networking and Internet Architecture · Computer Science 2020-09-14 Seungmo Kim , Byung-Jun Kim

We propose an enhanced spatial modulation (SM)-based scheme for indoor visible light communication systems. This scheme enhances the achievable throughput of conventional SM schemes by transmitting higher order complex modulation symbol,…

Signal Processing · Electrical Eng. & Systems 2022-01-21 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Paschalis C. Sofotasios

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…

Networking and Internet Architecture · Computer Science 2015-12-14 Taner Cevik , Serdar Yilmaz

In this paper, we investigate and compare the performance of single- and multi-carrier modulation schemes for indoor visible light communication (VLC). Particularly, the performances of single carrier frequency domain equalization (SCFDE),…

Information Theory · Computer Science 2015-05-26 Mohammadreza Aminikashani , Mohsen Kavehrad

Visible light communication (VLC) provides a short-range optical wireless communication through light-emitting diode (LED) lighting. Light beam flickering and dimming are among the challenges to be addressed in VLC. Conventional methods for…

Information Theory · Computer Science 2019-08-19 Elie Ngomseu Mambou , Thibaud Tonnellier , Seyyed Ali Hashemi , Warren J. Gross

In this paper, we address the optimization of wavelength resource allocation in multi-user WDM Visible Light Communication (VLC) systems. A Mixed Integer Linear Programming (MILP) model that maximizes the sum of…

Signal Processing · Electrical Eng. & Systems 2019-04-10 Sarah O. M. Saeed , Sanaa Hamid Mohamed , Osama Zwaid Alsulami , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

One of the main aims of indoor visible light communication (VLC) systems is to deliver a high data rate service in single user and in multiuser scenarios. A key obstacle is the ability of the indoor VLC channel to support high data rates in…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Jaafar M. H. Elmirghani

Visible light communication (VLC) is an emerging technology and considered as an alternative to overcome some of the disadvantages of radio frequency communication technology in an indoor environment. However, the line of sight nature of…

Systems and Control · Electrical Eng. & Systems 2023-06-27 M. A. N. Perera , N. G. K. R. Wijewardhana , A. A. D. T Nissanka , S. A. H. A. Suraweera , G. M. R. I. Godaliyadda

This paper considers secrecy enhancement mechanisms in visible light communication (VLC) systems with spatially distributed passive eavesdroppers (EDs) under the assumption that there are multiple LED transmitters and one legitimate…

Information Theory · Computer Science 2017-07-24 Sunghwan Cho , Gaojie Chen , Justin P. Coon

This paper addresses the robust beamforming design for rate splitting multiple access (RSMA)-aided visible light communication (VLC) networks with imperfect channel state information at the transmitter (CSIT). In particular, we first derive…

Information Theory · Computer Science 2024-11-28 Zhengqing Qiu , Yijie Mao , Shuai Ma , Bruno Clerckx

Light emitting diode (LED) based visible light positioning (VLP) networks can provide accurate location information in indoor environments. In this manuscript, we propose to employ cooperative localization for visible light networks by…

Information Theory · Computer Science 2018-04-03 Musa Furkan Keskin , Osman Erdem , Sinan Gezici

Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly selective channels. \textcolor{black}{We commence by proposing…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Zeping Sui , Zilong Liu , Leila Musavian , Lie-Liang Yang , Lajos Hanzo

Visible light communication (VLC) has the potential to supplement the growing demand for wireless connectivity. In order to realise the full potential of VLC, channel models are required Discrete channel models based on semi-hidden Markov…

Signal Processing · Electrical Eng. & Systems 2019-02-20 Daniel G. Holmes , Ling Cheng , Mulundumina Shimaponda-Nawa , Ayokunle D. Familua , Adnan M. Abu-Mahfouz

Distributed Compressive Sensing (DCS) improves the signal recovery performance of multi signal ensembles by exploiting both intra- and inter-signal correlation and sparsity structure. However, the existing DCS was proposed for a very…

Information Theory · Computer Science 2012-11-29 Jeonghun Park , Seunggye Hwang , Janghoon Yang , Dongku Kim

Deep learning-based joint source-channel coding (JSCC) is emerging as a potential technology to meet the demand for effective data transmission, particularly for image transmission. Nevertheless, most existing advancements only consider…

Signal Processing · Electrical Eng. & Systems 2024-06-18 Pujing Yang , Guangyi Zhang , Yunlong Cai

Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from previous works…

Information Theory · Computer Science 2016-11-18 Ning Liang , Wenyi Zhang
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