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Leaky coaxial (LCX) cable is widely used in wireless communication systems as an antenna, especially for a long and narrow area called the linear-cell environment. The general usage of LCX cable is that it can be treated as one antenna. To configure a multiple-input–multiple-output (MIMO) system, it requires more than one LCX cable. In this paper, we propose a simple design in which one single LCX...
This paper introduces a two by two multiple-input multiple-output (MIMO) system using two closely-spaced leaky coaxial cables (LCXs). In this LCX-MIMO system, two different types of LCXs are placed in parallel with a narrow spacing, and different RF signals are fed to each of the LCXs from the same side. We show with our experimental results that the proposed LCX-MIMO set up works as well as MIMO...
Leaky coaxial cables (LCX) have been widely used as antennas to form linear service areas for radio communication systems. Such services of linear cells have been deployed inside tunnels, along railways, and so on. Usually, one LCX is utilized as one antenna. Therefore it requires more than one LCX to configure an multi-input multi-output (MIMO) system. In this paper, we propose a MIMO system using...
A study of a rectenna (rectifying anntena) array on a 1×1-m substrate for RF energy harvesting is presented. Square loop antennas are laid out on the given substrate size assuming to harvest 500-MHz Digital TV radio waves. The optimum number of elements is determined from the obtainable DC power and its angle characteristics taking into account mutual coupling between antenna elements and the non-linear...
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