21-10-2016, 02:16 PM
1460355702-myprjtfrnt1.docx (Size: 29.45 KB / Downloads: 3)
ABSTRACT
Smart home technologies using visible light data transmission are presented. For multiple devices, orthogonal code based time division duplexer bidirectional Visible Light Communication (VLC) link is employed. The proposed model for smart home is an efficient technology subject to locations in a typical smart home environment. VLC technology is one of the advanced optical wireless communication technologies, in which light in the visible region (375-780 nm in wavelength) issued as a medium for data transmission. This model is based on the fact that nearly all the facilities at home can easily be controlled using light and visible light has negligible harm to humans as well as to nature. The VLC system uses LEDs as a transmitting device, while photo detectors are used as receivers. To support multiple accesses of the devices, orthogonal code to each device is allocated. Hence, the devices can be controlled effectively by allocating the code to each device for data transmission and reception in a time division depleting manner.