Abstract
AbstractIn this article, a novel planar ultra‐wideband (UWB) antenna array based on four identical UWB antenna elements for UWB applications is presented. The proposed antenna array yields an impedance bandwidth of 3.1–10.6 GHz with VSWR <2. Over the entire bandwidths, it has constant high gain, which is about 6.5–10.5 dBi, and a 60° 3‐dB beamwidth is obtained within the operational band. A planar 2‐element UWB antenna array and a band‐notched 4‐element UWB antenna array are also provided for references. Time domain descriptors of the proposed antenna array have been used to estimate short‐range UWB signal transmission, propagation, and reception. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3118–3123, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23874
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