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Optical wireless communications (OWC) utilizing infrared or visible light as the carrier attracts great attention in 6G research. Resonant beam communications (RBCom) is an OWC technology which simultaneously satisfies the needs of…

Systems and Control · Electrical Eng. & Systems 2021-06-28 Mingliang Xiong , Mingqing Liu , Qingwei Jiang , Jie Zhou , Qingwen Liu , Hao Deng

Wireless optical communications (WOC) has carriers up to several hundred terahertz, which offers several advantages, such as ultrawide bandwidth and no electromagnetic interference. Conventional WOC that uses light transmitters such as…

Systems and Control · Electrical Eng. & Systems 2021-06-28 Mingliang Xiong , Qingwen Liu , Gang Wang , Georgios B. Giannakis , Chuan Huang

Resonant beam communications (RBCom), which adopt oscillating photons between two separate retroreflectors for information transmission, exhibit potential advantages over other types of wireless optical communications (WOC). However, echo…

Information Theory · Computer Science 2024-03-26 Yuanming Tian , Dongxu Li , Chuan Huang , Qingwen Liu , Shengli Zhou

The vision and requirements of the sixth generation (6G) mobile communication systems are expected to adopt freespace optical communication (FSO) and wireless power transfer (WPT). The laser-based WPT or wireless information transfer (WIT)…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Mingliang Xiong , Qingwen Liu , Mingqing Liu , Xin Wang , Hao Deng

Resonant beam communications (RBCom) is capable of providing wide bandwidth when using light as the carrier. Besides, the RBCom system possesses the characteristics of mobility, high signal-to-noise ratio (SNR), and multiplexing.…

Signal Processing · Electrical Eng. & Systems 2021-06-28 Mingliang Xiong , Qingwen Liu , Gang Wang , Georgios B. Giannakis , Sihai Zhang , Jinkang Zhu , Chuan Huang

To meet the growing demand for data traffic, spectrum-rich optical wireless communication (OWC) has emerged as a key technological driver for the development of 6G. The resonant beam communication (RBC) system, which employs spatially…

Systems and Control · Electrical Eng. & Systems 2024-08-16 Wen Fang , Wen Chen , Qingqing Wu , Xusheng Zhu , Qiong Wu , Nan Cheng

Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks, especially as a complementary technology to traditional radio frequency communications, for enhancing…

Optical wireless communication (OWC) systems are a promising communication technology that can provide high data rates into the tens of Tb/s and can support multiple users at the same time. This paper investigates the optimum allocation of…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Osama Alsulami , Amal Alahmadi , Sarah Saeed , Sana Hamid Mohamed , Taisir El-Gorashi , Mohammed Alresheedi , Jaafar Elmirghani

Optical wireless communication (OWC) is a promising technology for supporting data intensive services in indoor environments due to its large unregulated spectrum, high spatial reuse, and potential for multigigabit data rates. In…

Signal Processing · Electrical Eng. & Systems 2026-04-27 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

This paper presents a comprehensive quantitative comparison between Terahertz (THz) communication (TeraCom) and optical wireless communication (OWC) technologies, focusing on both indoor and outdoor environments. We propose a comparison…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Mingqing Liu , Hossein Kazemi , Majid Safari , Iman Tavakkolnia , Harald Haas

New high-data-rate multimedia services and applications are evolving continuously and exponentially increasing the demand for wireless capacity of fifth-generation (5G) and beyond. The existing radio frequency (RF) communication spectrum is…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Md. Tanvir Hossan , Amirul Islam , Yeong Min Jang

Optical wireless Communication (OWC) is a strong candidate in the next generation (6G) of cellular networks. In this paper, a laser-based optical wireless network is deployed in an indoor environment using Vertical Cavity Surface Emitting…

Signal Processing · Electrical Eng. & Systems 2022-03-22 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Rising data demands are a growing concern globally. The task at hand is to evolve current communication networks to support enhanced data rates while maintaining low latency, energy consumption and costs. To meet the above challenge,…

Signal Processing · Electrical Eng. & Systems 2023-04-11 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

In the past few years, the demand for high data rate services has increased dramatically. The congestion in the radio frequency (RF) spectrum (3 kHz ~ 300 GHz) is expected to limit the growth of future wireless systems unless new parts of…

Signal Processing · Electrical Eng. & Systems 2019-01-01 Osama Alsulami , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates…

With the development of Internet of Things (IoT), demands of power and data for IoT devices increase drastically. In order to resolve the supply-demand contradiction, simultaneous wireless information and power transfer (SWIPT) has been…

Emerging Technologies · Computer Science 2024-01-05 Yunfeng Bai , Qingwen Liu , Xin Wang , Yudan Gou , Bin Zhou , Zhiyong Bu

Communications based solely on radio frequency (RF) networks cannot provide adequate quality of service for the rapidly growing demands of wireless connectivity. Since devices operating in the optical spectrum do not interfere with those…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Md. Tanvir Hossan , Moh. Khalid Hasan , Yeong Min Jang

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…

Robotics · Computer Science 2022-05-10 Fadi Al-Turjman , Diletta Cacciagrano , Leonardo Mostarda , Mattia Paccamiccio , Zaib Ullah

Optical wireless communication (OWC) has emerged as a promising candidate for future high-capacity indoor wireless networks, driven by its large unregulated spectrum, high spatial reuse, and ability to support multi-gigabit data rates.…

Signal Processing · Electrical Eng. & Systems 2026-04-27 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

This paper evaluates the performance of rate splitting (RS), a robust interference management scheme, in an optical wireless communication (OWC) network that uses infrared lasers referred to as vertical-cavity surface-emitting lasers…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Khulood D. Alazwary , Ahmad Adnan Qidan , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani
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