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Centralized Enterprise WLAN (CE-WLAN) encompassing supernumerary access points (APs) are being used to provide capacity to indoor environments. The approach of over dimensioned deployment of APs to meet the capacity needs of users at critical time periods are advocated with little concern towards the important issue of energy wastage. For a sustainable greener environment the issue of energy saving...
In the IEEE 802.11 standard meager effort has been invested towards devising greener WLAN communication. Especially with the massive deployment of Enterprise WLAN in indoor networks a lot of access points (APs) are densely packed for increasing the capacity offered. But most of the APs deployed are idle for a larger period of time in a day. This paper proposes to use a centralized controlled distributed...
In this paper, we propose a wavelength division multiplexing-based power efficient data center interconnect called Passive Optical Scalable Tree data center network (POST). POST is a highly scalable tree structured network that interconnects thousands of servers and provides low hop count transmission paths among all the servers connected. In POST, we introduced two new switching components that help...
Coal miners encounter many problems in terms of safety during coal production and development of coal industry. During mining operations at deeper and remote areas of the mine, it is hazardous to work without any communication facilities. Miners are constantly exposed to drastic change in environment with fluctuating temperature and pressure. Often it goes unnoticed as accidents do occur in coal mines...
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