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A real-time energy monitoring system for grid-tied Photovoltaic (PV) installations was developed and deployed in a household located at Barangka, Marikina. The system consists of a BeagleBone Black which serves as the device to processes the measured data from the two power analyzers and the DC sensor. It also features a Mobile and Web-based monitor and analytics platform for end user utilization,...
More and more applications are installed in smart phone frequently, especially the game applications. The battery is used more quickly because of these applications' running. A new method to save power consumption is demonstrated. The method uses a server to collect all the applications' backlight adjustment coefficient and frame interval value from all the smart phone innetwork. So that the other...
This paper describes CheckIt: a mobile phone based optical mark recognition(OMR) system which is used for automatic checking of the user response sheets. It exploits prior information about the OMR sheet layout, which helps in achieving high speed and accuracy. The system incorporates following interdependent modules: (i) computer vision and image processing; (ii) computer communication and networking;...
Modbus protocol is a de-facto standard protocol in industrial automation. As the size and complexity of industry systems increase rapidly, the importance of real-time communication protocols arises as well. In this paper, we analyze the performance of the Modbus/TCP communication protocol which is implemented using the Network Simulator version 3 (NS-3). The performance evaluation focuses on the response...
There is a good probability of accessing same video content multiple times from a cloud based Video Streaming Server by same peer or different peers of a given LAN, effectively increasing Internet bandwidth or data flow for same content from server to client, thereby over loading routers between server and client and also resulting in higher power consumption at routers. This proposed concept tries...
In radio frequency identification (RFID) networks with dense readers, reader collision yields low transmission efficiency, characterized by the number of concurrent operating readers per millisecond in a network. In this paper, a novel anticollision algorithm with high transmission efficiency is proposed by accounting for readers' relative densities in practice. To this end, a sub-frame with variable...
The Philippines is one of the rising economies in Southeast Asia. However, it is facing a power crisis where there is a continuous increases in an already huge demand in electricity given the limited and scare supply from different power sectors. Consumers are called to be aware of their power consumption and make necessary efforts towards the smart and efficient use of it. As a response, the proponents...
In this paper we conduct an intensive investigation into a recent remote collaboration support system called t-Room. This system virtually overlays a room onto other distant rooms using media data processing technologies, and it provides users in the distant rooms the sense of being in the same room. We improve t-Room by expanding its shared room space. We first introduce our own t-Room system, which...
Vehicular crowdsensing takes advantage of the mobility of vehicles to provide location-based services in large-scale areas. In this paper, we analyze vehicular crowdsensing and formulate the interactions between a crowdsensing server and a number of vehicles equipped with sensors in the area of interest as a vehicular crowdsensing game. Each participant vehicle chooses its sensing strategy based on...
Recently, Voice over Internet Protocol (VoIP) applications is experiencing tremendous growth in terms of number of users. Most of the applications use Session Initiation Protocol (SIP) as a signaling protocol to establish and terminate call sessions. To facilitate interconnection, SIP uses gateways and servers that pave way for intruders. However, signaling attack during SIP session causes server...
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