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Device-to-Device (D2D) communication allows a mobile device (node) to relay data between a base station and another mobile device (destination) with poor direct channel conditions. However, the battery energy of a node serving as a relay gets depleted, and hence, to compensate for this loss, relays need to be provided incentives. Also, for a given destination, there usually exist multiple nodes in...
AES is one of the standard algorithm and widely used to encrypt and decrypt the data. In this paper, image encryption and decryption algorithm implemented by using AES 128-bit core. Here, image information is converted into a hexadecimal format using Matlab code and this plain hexadecimal data are transmitted to the FPGA via UART for encryption. Thus, the same process is also used for Decryption....
In digital communication systems, coding need to be done so as to transmit the data efficiently. One of the coding type is source coding. Generally while transmitting the data, data compression need to be done by certain encoding logic so as to reduce redundancy, transmission channel capacity, data storage and to increase the speed of transmission. There are many source coding logic to perform the...
Network which is built and functions without any infrastructure is identified as Ad hoc network. Mobile Ad hoc network (MANET) is one the Ad hoc networks in which nodes of network are mobile in nature. Vehicular Ad hoc Networks (VANETs) are subgroup of Ad hoc network which has inherited mobile characteristics from MANETs. In VANETs the vehicles acts a nodes and they communicate to exchange information...
Now a day's people feel insecure due to increase in the crime rate and accidents. Technology can be used at a greater scale to reduce these and with this inspiration we are proposing a system that can provide instant help in a better and faster way. The most common applications we have are panic alarm/ danger alert, requiring user to take actions to keep themselves safe. Practitioners saw some value...
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