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4.3 Literature Review
ОглавлениеVery recently, literatures are available on home automation system where Wi-Fi–based microcontrollers are embedded [13] along with authentication facility. Energy management perspectives are also considered [14] for multiple users. A voice recognition characteristic [15] is also invoked to operate primary electrical appliances, and this particular facility is precisely helpful for blind people. Facial recognition is also proposed [16], but it contains some practical limitations, which is generally ignored. Earlier people tried to include different facial gestures like sad and angry for the same purpose [17], but complexity of the algorithm and time-variant of the expressions makes it little successful. OpenHAB framework is also considered for secure wireless network design [18] and is in experimental stage. For complex data transmission condition, various sensor nodes are considered [19] where encryption algorithm is incorporated for security purpose. Thermal comfort is prioritized [20] by a few groups of workers, whereas others prioritized the mobile app development [21]. Temperature sensor plays an important part for automatic truing of air-conditioner system [22] under closed door arrangement. GPS facility is also added for tracking the person [23]. However, the present system also deals with the cost of the total system, and therefore proposed novel architecture for the purpose of improvement of the quality of operation along with multiple feature facility.