Performance Analysis on Hybrid OOK-and-OFDM Modulation in VLC System

Li, Fengshuang; Zhang, Chao

doi:10.1109/bmsb47279.2019.8971909

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Compared with ACO-OFDM, DCO-OFDM has a lower power efficiency, but higher spectral efficiency. With the increase of the modulation order, BER performance of ACO-OFDM is about 4.5 dB better than that of DCO-OFDM, reaching 10 À3 [19]. In the case of small bias, BER of ACO-OFDM with 16 quadrature amplitude modulation (QAM) format is lower than that of ADO-OFDM with 4 QAM format.…”

Section: Multi-carrier Modulationmentioning

confidence: 99%

Vehicle-To-Anything: The Trend of Internet of Vehicles in Future Smart Cities

Niu¹,

Huang²,

Wang³

2022

Intelligent Electronics and Circuits - Terahertz, ITS, and Beyond

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This chapter includes five parts—the concept of vehicle-to-anything (V2X), introduction of visible light communication (VLC), free-space optical communication (FSO), and terahertz (THz). The first part will present the concept of V2X. V2X is the basis and fundamental technology of future smart cars, autonomous driving, and smart transportation systems. Vehicle-to-network (V2N), vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), and vehicle-to-people (V2P) are included in V2X. V2X will lead to a high degree of interconnection of vehicles. The concept of VLC is presented in the second part. Intelligent reflecting surface (IRS) for nano-optics and FSO communication is introduced in the third part. At the same time, IRS keeps pace with the phase in communication links. Prospects of THz in glamorous cities are introduced in the fourth part. These new technologies will lead to trends in the future. A comparison of optical communication technology and applications in V2X is described in the fifth part.

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Section: Multi-carrier Modulationmentioning

confidence: 99%

Vehicle-To-Anything: The Trend of Internet of Vehicles in Future Smart Cities

Niu¹,

Huang²,

Wang³

2022

Intelligent Electronics and Circuits - Terahertz, ITS, and Beyond

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show abstract

“…These existing studies did not consider the characteristics of VLC. Thus, when data loss occurs during The unidirectional VLC channels can be implemented by using the link channel characteristics [11,12]. The LED system can be improved by utilizing the ON-OFF keying to implement the two unidirectional VLC channels, according to the uplink and downlink channels [11].…”

Section: Unidirectional Vlcmentioning

confidence: 99%

Framework of IoT Services over Unidirectional Visible Lights Communication Networks

Kim

Koh

2020

Electronics

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Visible Light Communication (VLC) has been noted as an emerging technology for communications in wireless local area networks. VLC provides some distinctive features over the conventional wireless access technologies, such as Wi-Fi, Bluetooth, or ZigBee. The most prominent feature of VLC is that it can provide more exact location information, since it is based on a particular light. In addition, VLC can reduce the frequency interferences from numerous wireless channels, since it uses a completely different radio frequency channel from the conventional wireless access technologies. Thus, VLC can be used for Internet-of-Things (IoT) services. Nevertheless, up to now, not enough studies on how to provide IoT services over VLC networks have been conducted. In this paper, we propose a framework to provide IoT services in VLC networks. In particular, we will consider the unidirectional VLC network, in which the downlink channel from the VLC transmitter to the VLC receiver is given by using VLC communication, whereas the uplink channel from the VLC receiver to the VLC transmitter is implemented by using another wireless access technology, such as Wi-Fi. This is because most of the VLC receivers, such as mobile phones, cannot support the uplink VLC communication. Based on the framework of IoT services over unidirectional VLC, in this paper, we also propose the VLC–IoT protocol (VIP) which is an application layer protocol for data transport with the session management functionality that can be used to effectively provide IoT services among IoT servers, VLC transmitters and VLC receivers in the networks. The proposed VIP protocol is implemented by using the Cooja simulator. For performance analysis, the proposed scheme is compared with the existing CoAP-based scheme that does not provide the session management. From a variety of simulation experiments, we see that the proposed scheme can provide lower data transmission and handover delays, compared to the existing scheme.

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An efficient MIMO–OFDM VLC system of combining space time block coding with orthogonal circulant matrix transform precoding

Chen

et al. 2020

Optics Communications

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Performance Analysis on Hybrid OOK-and-OFDM Modulation in VLC System

Cited by 4 publications

References 9 publications

Vehicle-To-Anything: The Trend of Internet of Vehicles in Future Smart Cities

Vehicle-To-Anything: The Trend of Internet of Vehicles in Future Smart Cities

Framework of IoT Services over Unidirectional Visible Lights Communication Networks

An efficient MIMO–OFDM VLC system of combining space time block coding with orthogonal circulant matrix transform precoding

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