Abstract
The design and implementation of medium access control (MAC) layer for network-enabled visible light communication (VLC) system is presented in this paper. The point-to-point link was chosen because of its simple in configuration as well as implementation. Whereas the FPGA Zybo Zynq-7000 is employed for prototyping the hardware of VLC system because of it serve a Linux operating system (OS), i.e. Xillinux. Our MAC layer has been realized in Python programming and running above the Zynq-7000 processor. The designed MAC Layer is adapted from IEEE 802.15.7 standard, specifically for delivering and receiving the MAC frames from the coordinator to the device or vice versa, wrapping the IP packets and unwrapping the MAC Frames with MAC headers and trailers, and performing the error detection in which the cyclic redundant check 16 (CRC-16) was selected. According to the functionality test, our proposed VLC system can perform to send the multimedia contents (video and image) as well as data packet for internet accessing purpose like a wireless fidelity (Wi-Fi) connectivity. Thus, it can be concluded that the implemented MAC layer has met the functionality specifications referred to the IEEE 802.15.7 standard. We also provide the Pseudo-code of designed MAC layer and its Python script (source-code) implementation that can be found in the Appendix section.
Highlights
The visible light communication (VLC) is being developed to be proposed as an alternative to wireless communications
We present the medium access control (MAC) layer design for network-enabled indoor VLC implementation to give facility on data exchange the “transmission control protocol-internet protocol” (TCP/IP) packets
In order to appropriate with the working principle of the proposed system as shown in Figure 3, we develop the entirety system that divided into two sections, just like depicted in Figure 4, that is 1) digital section consists of MAC layer that accommodates the communication path setting, the packaging of sent data, and un-packaging of received data
Summary
The visible light communication (VLC) is being developed to be proposed as an alternative to wireless communications. The VLC is harmless for human skin health, when the other optical wireless communication technologies: Infra-Red (IR) and Ultra-Violet (UV) have the higher health risks. The presentation on VLC that best known and impressive to the worldwide public was introduced by Prof. It has proven that this technological breakthrough can be a viable alternative communication for the future. In other hand, this potential VLC offers will be very interesting if used for broadcast, and can exchange the network packet wirelessly. The users can be linking their devices to the internet like a wireless-fidelity (Wi-Fi) connectivity via EAI Endorsed Transactions on Energy Web and Information Technology
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