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A study on primary percolation processes taking place in a two-dimensional large-scale lattice (N×N), which represents a flat wireless sensor nano-network, has been carried out based on numerical simulations using the Monte Carlo method. The communication aspects of this nano-network, such as an average number of hops of the channel which may emerge between nodes placed on the opposite...
In this paper, the design of a low profile circularly tapered antipodal Vivaldi antenna for array-based UWB nearfield imaging is presented. The antenna with the dimensions of 45times48.5 mm achieves satisfactory impedance matching and radiation performance across the frequency band from 2.7 to 26 GHz. The proposed antenna exhibits consistent UWB characteristics over a wide angle, which is crucial...
An improved antenna design for stacked patch antenna to be integrated with a RF chip is proposed. The antenna is to be manufactured in LTCC technology which simplifies integration with a RF chip. The antenna has an operational bandwidth from 58.8 GHz to 68.4 GHz (15.1%) and a gain of 3-3.5 dBi.
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