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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

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

Head-mounted holographic displays (HMHD) are projected to be the first commercial realization of holographic video display systems. HMHDs use liquid crystal on silicon (LCoS) spatial light modulators (SLM), which are best suited to display…

Image and Video Processing · Electrical Eng. & Systems 2020-02-25 Burak Soner , Erdem Ulusoy , A. Murat Tekalp , Hakan Urey

This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transmits both data and energy via VLC to an energy-harvesting…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

Visible light communication (VLC) backscatter has been proposed as a wireless access option for Internet of Things (IoT). However, the throughput of the state-of-the-art VLC backscatter is limited by simple single-carrier pulsed modulation…

Information Theory · Computer Science 2017-04-05 Sihua Shao , Abdallah Khreishah , Hany Elgala

Large vision-language models (LVLMs) have shown remarkable capabilities in visual-language understanding for downstream multi-modal tasks. Despite their success, LVLMs still suffer from generating hallucinations in complex generation tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Jiaming Li , Jiacheng Zhang , Zequn Jie , Lin Ma , Guanbin Li

Coherent technology inherent with more availabledegrees of freedom is deemed a competitive solution for nextgeneration ultra-high-speed short-reach optical interconnects.However, the fatal barriers to implementing the conventiona.coherent…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Wei Wang , Dongdong Zou , Zhenpeng Wu , Qi Sui , Xingwen Yi , Fan Li , Chao Lu , Zhaohui Li

Plans to upgrade the LHC after approximately 10 years of operation are currently being considered at CERN. A tenfold increase in luminosity delivered to the experiments is envisaged in the so-called Super LHC (SLHC). This will undoubtedly…

Instrumentation and Detectors · Physics 2010-10-11 Stefanos Dris , Luis Amaral , Karl Gill , Robert Grabit , Alberto Pacheco , Daniel Ricci , Jan Troska , Francois Vasey

A novel approach that combines visible light communication (VLC) with unmanned aerial vehicles (UAVs) to simultaneously provide flexible communication and illumination is proposed. To minimize the power consumption, the locations of UAVs…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Yang Yang , Mingzhe Chen , Caili Guo , Chunyan Feng , Walid Saad

Code mapping (CM) is an efficient technique for reversible data hiding (RDH) in JPEG images, which embeds data by constructing a mapping relationship between the used and unused codes in the JPEG bitstream. This study presents a new…

Multimedia · Computer Science 2022-07-19 Yang Du , Zhaoxia Yin

Accurate phase demodulation is critical for vital sign detection using millimeter-wave radar. However, in complex environments, time-varying DC offsets and phase imbalances can severely degrade demodulation performance. To address this, we…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Shuai Sun , Chong-Xi Liang , Chengwei Ye , Huanzhen Zhang , Kangsheng Wang

This paper investigates the bit-interleaved coded generalized spatial modulation (BICGSM) with iterative decoding (BICGSM-ID) for multiple-input multiple-output (MIMO) visible light communications (VLC). In the BICGSM-ID scheme, the…

Information Theory · Computer Science 2022-10-31 Lin Dai , Yi Fang , Yong Liang Guan , Mohsen Guizani

Visible light communication (VLC) is an attractive subset of optical communication that provides a high data rate in the access layer of the network. The combination of multiple inputmultiple output (MIMO) with a VLC system leads to a…

Information Theory · Computer Science 2023-09-25 Hamed Alizadeh Ghazijahani , Mahmoud Atashbar , Yong Liang Guan , Zhaojie Yang

Light can be used for wireless information transmission apart from illumination; that is the key idea behind visible-light communication (VLC), one of the disruptive technologies of our days. It combines remarkably high data rates due to…

Signal Processing · Electrical Eng. & Systems 2020-01-08 Constantinos Valagiannopoulos , Theodoros A. Tsiftsis , Vassilios Kovanis

This paper proposes an adaptive hybrid non-orthogonal multiple access (NOMA)-time division multiple access (TDMA) scheme for multi-user visible light communication (VLC) networks, aiming to enhance users' sum-rate performance while…

Systems and Control · Electrical Eng. & Systems 2025-08-07 Tuan A. Hoang , Chuyen T. Nguyen , Thanh V. Pham

Increasing the information capacity of communication channels is a pressing need, driven by growing data demands and the consequent impending data crunch with existing modulation schemes. In this regard, mode division multiplexing (MDM),…

Low-light image enhancement techniques have significantly progressed, but unstable image quality recovery and unsatisfactory visual perception are still significant challenges. To solve these problems, we propose a novel and robust…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Minglong Xue , Jinhong He , Wenhai Wang , Mingliang Zhou

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

The linear error-correcting codes are known to be well suited for battling and correcting the burst errors caused by noise in the wireless data transmission system. However, different types of codes offer different decoding and…

Signal Processing · Electrical Eng. & Systems 2019-09-24 Nima Taherkhani , Merve Apalak , Kamran Kiasaleh

This paper presents a comprehensive analysis and performance enhancement of short block length channel detection incorporating training information. The current communication systems' short block length channel detection typically consists…

Information Theory · Computer Science 2025-11-25 Mody Sy , Raymond Knopp