UWB Antenna Design

Chapter
Part of the SpringerBriefs in Electrical and Computer Engineering book series (BRIEFSELECTRIC)

Abstract

In this chapter, we present the design of two UWB antennas including the design approach, fabrication and measurement: one is the UWB microstrip quasi-horn antenna and another is the UWB uniplanar antenna. The UWB microstrip quasi-horn antenna has extremely wide bandwidth, little distortion, and no balun or transition at the antenna input and can be directly integrated with printed-circuit UWB transmitters and receivers. It isdesigned for the transmission and reception of monocycle pulse signals with pulse duration in the range of 400 to 1200 ps and shows measured return loss of 13 dB for pulse operation and gain greater than 12 dBi at frequencies higher than 2.5 GHz. The antenna can transmit and receive 400 to 1200 ps monocycle pulses with small waveform distortion and ringing, demonstrating the antenna’s good linear-phase response and low distortion, and hence is particularly desirable for time-main UWB applications. The designed UWB uniplanar antenna can transmit and receive faithfully impulse signals having duration from 100 to 300 ps and monocycle pulse signals with duration of 140-350 ps. The antenna exhibits measured return loss of better than 18 dB for pulse operation. The experimental results for the impulse and monocycle-pulse transmission show the antenna’s high signal fidelity through less-distorted received waveforms, demonstrating the workability of the antenna for UWB applications.

Keywords

Microwave Radar Expense Styrofoam 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Texas A&M University Dept of Elec and Comp EngineeringCollege StationUSA
  2. 2.Radio Engineering CenterPine-Telecom Inc.Yuseong-gu, DaejeonKorea, Republic of (South Korea)

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