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首页> 外文期刊>International journal of antennas and propagation >Design of Frequency- and Pattern-Reconfigurable Wideband Slot Antenna
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Design of Frequency- and Pattern-Reconfigurable Wideband Slot Antenna

机译:频率和图案可重配置的宽带缝隙天线设计

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摘要

A wideband slot antenna with frequency- and pattern-reconfigurable characteristics for TD-LTE (3.4-3.8 GHz) and C-band (3.7-4.2 GHz) applications is proposed. The antenna consists of two symmetric slots that are fed by a fork-shaped microstrip line. Two PIN diodes are loaded in the slots to produce two different frequency bands. Meanwhile, two additional PIN diodes are inserted in the feed line to achieve the pattern reconfigurability. The wideband operation is realized by using the symmetric slots and fork-shaped feed line. Simulated and measured results show that the antenna provides 25 degrees and 20 degrees beam-steering in 3.4-3.8 and 3.7-4.2 GHz bands, respectively. Also, an impedance bandwidth of at least 12.8% is obtained in the operating bands.
机译:提出了一种用于TD-LTE(3.4-3.8 GHz)和C波段(3.7-4.2 GHz)应用的具有频率和方向可重新配置特性的宽带缝隙天线。天线包括两个对称的槽,由叉形微带线馈电。两个PIN二极管装入插槽中,以产生两个不同的频带。同时,在馈线中插入了两个额外的PIN二极管,以实现图案可重构性。宽带操作是通过使用对称槽和叉形馈线实现的。仿真和测量结果表明,该天线分别在3.4-3.8 GHz和3.7-4.2 GHz频段提供25度和20度波束控制。同样,在工作频带中获得至少12.8%的阻抗带宽。

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