Abstract
Nowadays, internet connectivity is one of the staple things in human lifestyle, especially for those who live in cities. There are a lot of ways to connect to the internet, and one of them is using Wi-Fi (Wireless Fidelity) connection. Wi-Fi connection is seen as the most reliable connection, until Li-Fi (Light Fidelity) technology is coined in 2011. Li-Fi uses visible light as data transfer medium instead of radio frequency (RF) signal used by Wi-Fi. Theoretically, Li-Fi is able to reach hundred times of Wi-Fi connection speed due to their use of light as data transfer medium. Li-Fi is also expected as a solution to environmental problems caused by Wi-Fi. The RF signal used by Wi-Fi can cause some environmental problems such as growth inhibition and diseases to organisms including humans. The visible light used by Li-Fi is expected to cause minimal effects to the environment, as Li-Fi uses common LED light bulbs which are used as home lighting apparatus. Li-Fi is commonly seen as a ‘greener’ technology compared to Wi-Fi. In this review, the performance and environmental impacts of both Wi-Fi and Li-Fi are analysed to determine whether Li-Fi is really capable to be a ‘greener’ replacement to Wi-Fi technology
Highlights
Nowadays, human can socialize with one another
As mentioned before that the purpose of this review is to analyze the performance and environmental impacts of both Wireless Fidelity (Wi-Fi) and Light Fidelity (Li-Fi) and determine whether Li-Fi is JENV, Vol 3, No 2, Oktober 2018: 68-75 really capable to be a „greener‟ technology replacing Wi-Fi technology. by using descriptive research methodology the performance and environmental impacts of both Wi-Fi and Li-Fi are analysed to determine whether Li-Fi is really capable to be a „greener‟ replacement to Wi-Fi technology, which will describe as follows
That is why Li-Fi can be assumed as a „greener‟ technology compared to Wi-Fi
Summary
There are many platforms that provided some sort of application for human to communicate each other. Application for video calling and sending short messages. To do other activities such as shopping and study. All of this can be achieved conveniently by internet. There are many types of internet connectivity, one of them is using wireless network or Wi-Fi (Wireless Fidelity). The term of wireless because Wi-Fi is using Radio Frequency (RF) to transmit data signals (Foster & Moulder, 2013). Wi-Fi technology is able to reach a bandwidth speed of 50-100 Mbps (Cisco, 2018)
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