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This paper introduces a dispersive feeding network that allows arbitrary frequency beam scanning in array antennas. The key component in this network is a dispersive element based on phasers, which are electromagnetic components providing arbitrary dispersive phase responses. The proposed feeding network is suitable for both the parallel-fed and series-fed arrays. Both the uniform and nonuniform scanning...
Some millimeter wavebands, such as 60 GHz, would probably be selected as the main operating frequencies of the next 5th generation wireless/mobile communication systems, for their obvious advantages of wider available transmission bandwidth and higher achievable transmission rate. In this paper, a novel structural design of microstrip antenna array working at the 60 GHz frequency band has been proposed...
The paper proposes a phaser-based differential feeding network for uniformly scanning antenna arrays. The feeding network is composed of a Wilkinson power divider connecting a phaser in one branch and a TEM transmission line in the other branch. An example of an antenna uniformly scanning from −60 degree to 60 degree within the frequency range of 4–6 GHz is presented for illustration.
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