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This paper proposes a compact (46×50×0.16 mm3) multiband patch antenna for Wi-Fi, WiMAX, WLAN and satellite applications. The antenna consists of three I shape, two L shape and one F shape patch. The length of the patches and the thickness of Fr-4 substrate are varied to find out the optimized dimensions at which antenna gives the best performance. The antenna has three significant frequency bands...
From design specification to IC fabrication, there are many steps which allow adversary to insert hardware Trojan to disable or destroy the original design, leak secret information or functional modification. Design for Security (DFS) technique is an essential issue to a designer for hardware trustworthiness as it prevents any change of the original design. Efficient DFS technique should have several...
In the digital world, the size of images is an important challenge when dealing with the storage and transmission requirements. Compression is one of the fundamental techniques to address this problem. A number of transform based compression techniques are discussed in the literature and some are used in practice. In this paper, we propose an edge-based image transformation method which will be used...
Neural Network is a platform to implement artificial intelligence and universally used neural network is Backpropagation (BP). Local minimum, slower convergence, premature saturation, training pattern overspecialization limits the performance of Backpropagation algorithm. To withstand those problems several modified algorithms was proposed. A faster superintendent algorithm named Hybrid Backpropagation...
In the coming of era the digitized image is an important challenge to deal with the storage and transmission requirements of enormous data, including medical images. Compression is one of the indispensable techniques to solve this problem. In this paper, we propose an algorithm for medical image compression based on lifting base wavelet transform coupled with SPIHT (Set Partition in Hierarchical Trees)...
Mobile users can move between the different wireless networks because several heterogeneous wireless networks are deployed and can be used in a small area. So there need vertical handover issues in an effective manner. This paper proposed two vertical handover scheme based on fuzzy interference system and subtracting clustering method in a heterogeneous environment and simulates to verify performance...
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