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Integrated sensing and communication (ISAC) is a key enabler of 6G. Unlike communication radio links, the sensing signal requires to experience round trips from many scatters. Therefore, sensing is more power-sensitive and faces a severer…

信号处理 · 电气工程与系统科学 2024-12-02 Yihua Ma , Zhifeng Yuan , Shuqiang Xia , Chen Bai , Zhongbin Wang , Yuxin Wang

Most sRGB-based LLIE methods suffer from entangled luminance and color, while the HSV color space offers insufficient decoupling at the cost of introducing significant red and black noise artifacts. Recently, the HVI color space has been…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Zhixin Cheng , Fangwen Zhang , Xiaotian Yin , Baoqun Yin , Haodian Wang

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,…

信号处理 · 电气工程与系统科学 2022-01-21 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Paschalis C. Sofotasios

The limited bandwidth of optical wireless communication (OWC) front-end devices motivates the use of multiple-input-multiple-output (MIMO) techniques to enhance data rates. It is known that very high multiplexing gains could be achieved by…

信息论 · 计算机科学 2022-04-15 Anil Yesilkaya , Ardimas Andi Purwita , Erdal Panayirci , H. Vincent Poor , Harald Haas

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…

信息论 · 计算机科学 2020-05-11 Ahmed Al Hammadi , Sami Muhaidat , Paschalis C. Sofotasios , Mahmoud Al-Qutayri , Hany Elgala

The new generation of LED-based illuminating infrastructures has enabled a "dual-paradigm" where LEDs are used for both illumination and communication purposes. The ubiquity of lighting makes visible light communication (VLC) well suited…

网络与互联网体系结构 · 计算机科学 2018-01-31 Angli Liu , Jiangtao Li , Guobin Shen , Chao Sun , Liqun Li , Feng Zhao

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…

信号处理 · 电气工程与系统科学 2019-02-20 Daniel G. Holmes , Ling Cheng , Mulundumina Shimaponda-Nawa , Ayokunle D. Familua , Adnan M. Abu-Mahfouz

For next-generation green communication systems, this article proposes an innovative communication system based on frequency-diverse array-multiple-input multiple-output (FDA-MIMO) technology, which aims to achieve high data rates while…

信号处理 · 电气工程与系统科学 2024-08-19 Bang Huang , Jiajie Xu , Mohamed-Slim Alouini

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

信号处理 · 电气工程与系统科学 2021-12-21 Yu Cao , QiYue Yu

Cooperative spectrum sensing (CSS) is a promising approach to improve the detection of primary users (PUs) using multiple sensors. However, there are several challenges for existing combination methods, i.e., performance degradation and…

信号处理 · 电气工程与系统科学 2024-09-30 Peng Yi , Yang Cao , Xin Kang , Ying-Chang Liang

Providing high data rates is one of the big concerns in visible light communication (VLC) systems. This paper introduces a data centre design that use a VLC system for downlink communication. In this work, RYGB laser diodes (LD) are used as…

信号处理 · 电气工程与系统科学 2019-03-30 Osama Zwaid Alsulami , Mohamed O. I. Musa , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

We all know that Wi-Fi is presently the most commonly used technology for data transmission and connecting devices to the Internet, at the same time due to much reasonable concern, (such as Wi-Fi can be vulnerable when it comes to hacking,…

信号处理 · 电气工程与系统科学 2021-01-07 Auwal Tijjani Amshi

Visible Light Communication (VLC) is seen as a complementary wireless technology to Radio Frequency (RF). However, VLC is very sensitive to the signal blockage and suffers from shadowing due to the high directionality of the optical…

网络与互联网体系结构 · 计算机科学 2020-02-06 Piotr Gawłowicz , Elnaz Alizadeh Jarchlo , Anatolij Zubow

Visible light communication (VLC) has wide unlicensed bandwidth, enables communication in radio frequency (RF) sensitive environments, realizes energy-efficient data transmission, and has the potential to boost the capacity of wireless…

网络与互联网体系结构 · 计算机科学 2015-03-11 Sihua Shao , Abdallah Khreishah , Moussa Ayyash , Michael B. Rahaim , Hany Elgala , Volker Jungnickel , Dominic Schulz , Thomas D. C. Little

This paper proposes a novel joint learning and densely-cooperative fusion (JL-DCF) architecture for RGB-D salient object detection. Existing models usually treat RGB and depth as independent information and design separate networks for…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Keren Fu , Deng-Ping Fan , Ge-Peng Ji , Qijun Zhao

Sparse code multiple access (SCMA) is attracting significant research interests currently, which is considered as a promising multiple access technique for 5G systems. It serves as a good candidate for the future communication network with…

信号处理 · 电气工程与系统科学 2017-10-31 Shun Lou , Chen Gong , Qian Gao , Zhengyuan Xu

The bound of the information transmission rate of direct current biased optical orthogonal frequency division multiplexing (DCO-OFDM) for visible light communication (VLC) with finite-alphabet inputs is yet unknown, where the corresponding…

信息论 · 计算机科学 2022-02-03 Ruixin Yang , Shuai Ma , Zihan Xu , Hang Li , Xiaodong Liu , Xintong Ling , Xiong Deng , Xun Zhang , Shiyin Li

Orthogonal frequency division multiplexing (OFDM) has been considered for visible light communication (VLC) thanks to its ability to boost data rates as well as its robustness against frequency-selective fading channels. A major…

信息论 · 计算机科学 2013-01-16 Zhenhua Yu , Robert J. Baxley , G. Tong Zhou

Wavelength division multiplexing (WDM) and non-orthogonal multiple access (NOMA) are employed in a visible light communication (VLC) system to increase the capacity of the system. The system is evaluated using two different scenarios…

信号处理 · 电气工程与系统科学 2019-04-02 Mansourah K. A. Aljohani 1 , Mohamed O. I. Musa1 , Mohammed T. Alresheedi2 , Jaafar M. H

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…

信息论 · 计算机科学 2022-10-31 Lin Dai , Yi Fang , Yong Liang Guan , Mohsen Guizani