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A wideband stacked patch antenna is presented in this paper. The proposed antenna consists of a stacked structure and rectangular shell under the finite ground of the antenna. A 91.7% bandwidth is obtained by carefully arranging the relative permittivity of the substrates of the upper and lower layer. The proposed antenna is suitable for the modern communication systems.
Software defined networking brings many possibilities to network security, one of the most important security challenge it can help with is the possibility to make network traffic pass through specific security devices, in other words, determine where to deploy these devices logically. However, most researches focus on high level policy and interaction framework but ignored how to translate them to...
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