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In next-generation wireless systems, providing location-based mobile computing services for energy-neutral devices has become a crucial objective for the provision of sustainable Internet of Things (IoT). Visible light positioning (VLP) has…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Boxuan Xie , Lauri Mela , Alexis A. Dowhuszko , Yu Bai , Zehui Xiong , Zhu Han , Dusit Niyato , Riku Jäntti

Visible light communication (VLC) is a promising Optical Wireless Communications (OWC) scheme that is demonstrated to provide secure, line-of-sight (LoS), and short-distance vehicle-to-vehicle (V2V) and vehicle-to-infrastructure(V2I)…

Networking and Internet Architecture · Computer Science 2022-02-08 Bugra Turan , Ali Uyrus , Osman Nuri Koc , Emrah Kar , Sinem Coleri

In addressing wireless networked control systems (WNCS) subject to unexpected packet loss and uncertainties, this paper presents a practical Model Predictive Control (MPC) based control scheme with considerations of of packet dropouts,…

Systems and Control · Electrical Eng. & Systems 2024-03-14 inghao Cao , Subhan Khan , Wanchun Liu , Yonghui Li , Branka Vucetic

Visible light communication (VLC) complements radio frequency in indoor environments with large wireless data traffic. However, VLC is hindered by dramatic path losses when an opaque object is interposed between the transmitter and the…

Signal Processing · Electrical Eng. & Systems 2025-05-15 Borja Genoves Guzman , Ana Garcia Armada , Maïté Brandt-Pearce

In this paper, we apply a latent class model (LCM) to the task of speaker diarization. LCM is similar to Patrick Kenny's variational Bayes (VB) method in that it uses soft information and avoids premature hard decisions in its iterations.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-26 Liang He , Xianhong Chen , Can Xu , Yi Liu , Jia Liu , Michael T Johnson

As the real propagation environment becomes in creasingly complex and dynamic, millimeter wave beam prediction faces huge challenges. However, the powerful cross modal representation capability of vision-language model (VLM) provides a…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Ji Wang , Bin Tang , Jian Xiao , Qimei Cui , Xingwang Li , Tony Q. S. Quek

The light emitting diode (LED) nonlinearities distortion induced degradation in the performance of visible light communication (VLC) systems can be controlled by optimizing the DC bias point of the LED. In this paper, we theoretically…

Information Theory · Computer Science 2016-12-28 Peng Deng , Mohsen Kavehrad

Engagement recognition in video datasets, unlike traditional image classification tasks, is particularly challenged by subjective labels and noise limiting model performance. To overcome the challenges of subjective and noisy engagement…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Alexander Vedernikov , Puneet Kumar , Haoyu Chen , Tapio Seppänen , Xiaobai Li

To design an efficient interference management and multiple access scheme for visible light communication (VLC) network, this letter leverages the non-orthogonal multiple access (NOMA), which has received significant attention in the…

Information Theory · Computer Science 2016-10-25 Xiaoke Zhang , Qian Gao , Chen Gong , Zhengyuan Xu

In this paper, we investigate the design and implementation of machine learning (ML) based demodulation methods in the physical layer of visible light communication (VLC) systems. We build a flexible hardware prototype of an end-to-end VLC…

Signal Processing · Electrical Eng. & Systems 2019-03-28 Shuai Ma , Jiahui Dai , Songtao Lu , Hang Li , Han Zhang , Chun Du , Shiyin Li

In recent years, the application potential of visible light communication (VLC) technology as an alternative and supplement to radio frequency (RF) technology has attracted people's attention. The study of the underlying VLC channel is the…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Qingshan Chen , Cheng-Xiang Wang , Jian Sun , Wensheng Zhang , Qiuming Zhu

Motivated by the emergent reasoning capabilities of Vision Language Models (VLMs) and their potential to improve the comprehensibility of autonomous driving systems, this paper introduces a closed-loop autonomous driving controller called…

Robotics · Computer Science 2024-10-04 Keke Long , Haotian Shi , Jiaxi Liu , Xiaopeng Li

Integrated visible light positioning and communication (VLPC), capable of combining advantages of visible light communications (VLC) and visible light positioning (VLP), is a promising key technology for the future Internet of Things. In…

Information Theory · Computer Science 2023-05-24 Shuai Ma , Ruixin Yang , Chun Du , Hang Li , Youlong Wu , Naofal Al-Dhahir , Shiyin Li

Impulsive noise (IN) commonly generated by power devices can severely degrade the performance of high sensitivity wireless receivers. Accurate channel state information (CSI) knowledge is essential for designing optimal maximum a posteriori…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Chin-Hung Chen , Ivana Nikoloska , Wim van Houtum , Yan Wu , Boris Karanov , Alex Alvarado

High-density LED arrays enable high-speed transmission in image-sensor-based visible-light communication (VLC) systems. However, when optical spots become blurred and spatially overlapped due to focal shift, resolution limitations, or…

Information Theory · Computer Science 2026-05-19 Tianhao Shi , Shan Lu , Takaya Yamazato

This paper reports a detailed experimental characterization of optical performances of Visible Light Communication (VLC) system using a real traffic light for ultra-low latency, infrastructure-to-vehicle (I2V) communications for intelligent…

Signal Processing · Electrical Eng. & Systems 2020-04-03 M. Seminara , T. Nawaz , S. Caputo , L. Mucchi , J. Catani

The crosstalk noise model for noise constrained interconnects optimization is presented for RC interconnects. The proposed model has simple closed-form expressions, which is capable of predicting the noise amplitude and the noise pulse…

Other Computer Science · Computer Science 2010-04-27 P. V. Hunagund , A. B. Kalpana

The present contribution proposes a general framework for the energy efficiency analysis of a hybrid visible light communication (VLC) and Radio Frequency (RF) wireless system, in which both VLC and RF subsystems utilize nonorthogonal…

Information Theory · Computer Science 2020-05-11 Ahmed Al Hammadi , Sami Muhaidat , Paschalis C. Sofotasios , Mahmoud Al-Qutayri , Hany Elgala

Accurate channel prediction is essential in massive multiple-input multiple-output (m-MIMO) systems to improve precoding effectiveness and reduce the overhead of channel state information (CSI) feedback. However, existing methods often…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Zhaoyang Li , Qianqian Yang , Zehui Xiong , Zhiguo Shi , Tony Q. S. Quek

Vision-language models (VLMs) extend the conventional large language models by integrating visual data, enabling richer multimodal reasoning and significantly broadens the practical applications of AI. However, including visual inputs also…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Daulet Toibazar , Kesen Wang , Sherif Mohamed , Abdulaziz Al-Badawi , Abdulrahman Alfulayt , Pedro J. Moreno