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This paper presents an electrically small and low profile plate loop antenna with dual inverted-F resonant modes for mobile satellite communication systems in the VHF band. The proposed antenna consists of a feed element and a parasitic element for dual mode operation. A square patch element attached to an inner loop provides the function to adjust the frequency of higher resonant mode. Its dominant...
In this letter, we propose a new structure for a dual-mode antenna. We introduce a loop-shaped inverted-F wire antenna (LIFA) that has small and low-profile structure and uses a parasitic element (PE) within the feeding element for the additional resonance mode. We present a theoretical discussion on the dual-resonance operation and investigate the characteristics along some dimensional parameters...
In this paper a free access mat for dual band operation is investigated. The free access mat consisting of tightly coupled patch array which provides an easy access for short range wireless communications is proposed. In a conventional wireless access system, the electromagnetic wave is radiated from a wireless device to another through the free space using built-in antennas so that the propagation...
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