Millimeter wave antennas

Schwering, F.

doi:10.1109/5.119569

Cited by 43 publications

(14 citation statements)

References 45 publications

(38 reference statements)

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“…R ECENTLY, printed leaky-wave antennas (LWAs) have attracted much attention due to their high directivity, broad VSWR bandwidth performance, and frequency scanning capabilities. Antennas with dielectric and metal gratings have been studied extensively in the past and have attracted renewed inquiry [1]- [3]. In particular, there has been significant interest in the microstrip LWA, which utilizes a higher order radiative microstrip mode [4]- [8].…”

Section: Introductionmentioning

confidence: 99%

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Leaky CPW-based slot antenna arrays for millimeter-wave applications

Grbic

Eleftheriades

2002

IEEE Trans. Antennas Propagat.

113

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A uniplanar leaky-wave antenna (LWA) suitable for operation at millimeter-wave frequencies is introduced. Both unidirectional and bidirectional versions of the antenna are presented. The proposed structure consists of a coplanar waveguide fed linear array of closely spaced capacitive transverse slots. This configuration results in a fast-wave structure in which the = 0 spatial harmonic radiates in the forward direction. Since the distance, , between adjacent elements of the array is small , the slot array essentially becomes a uniform LWA. A comprehensive transmission line model is developed based upon the theory of truncated periodic transmission lines to explain the operation of the antenna and provide a tool for its design. Measured and simulated radiation patterns, directivity, gain, and an associated loss budget are presented for a 32-element antenna operating at 30 GHz. The uniplanar nature of the structure makes the antenna appropriate for integration of shunt variable capacitors such as diode or micro-electromechanical system varactors for fixed frequency beam steering at low-bias voltages.

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Section: Introductionmentioning

confidence: 99%

“…Although, much work has been reported on printed LWAs at microwave frequencies, very little information can be found in literature on printed LWAs at millimeter-wave frequencies [1], [3], [7]. In fact, such antennas are particularly appealing at these frequencies since they become physically short while still providing high gain.…”

Section: Introductionmentioning

confidence: 99%

Leaky CPW-based slot antenna arrays for millimeter-wave applications

Grbic

Eleftheriades

2002

IEEE Trans. Antennas Propagat.

113

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“…An advantage of microstrip THz patch antennas is that their bandwidth limitation can be overcome by the use of electrically thick substrates [12][13][14][15]. Thus, fabricating patch antennas on a high dielectric constant substrate are becoming attractive for miniaturized modes.…”

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confidence: 99%

Rectangular Microstirp Patch Antenna Design at THz Frequency for Short Distance Wireless Communication Systems

Sharma

Singh

2008

J Infrared Milli Terahz Waves

120

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In this paper, we have presented the simulation results of a rectangular microstrip patch antenna at terahertz (THz) frequency ranging from 0.7 to 0.85 THz. THz electromagnetic wave can permit more densely packed communication links with increased security of communication transmission. The simulated results such as gain, radiation efficiency and 10 dB impedance bandwidth of rectangular microstrip patch antenna at THz frequencies without shorting post configuration are 3.497 dB, 55.71% and 17.76%, respectively, whereas with shorting post configuration, corresponding parameters are 3.502 dB, 55.88% and 17.27%. The simulation has been performed by using CST Microwave Studio, which is a commercially available electromagnetic simulator based on the method of finite difference time domain technique.Keywords THz electromagnetic spectrum . Microstrip patch antenna . Bandwidth . Photo-conductive antenna and microstrip-line.

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“…4. Hence, the constant a is 2w a=a (4) Equation (4) shows the relationship between the constant a and the line width. Since W must be made smaller for a higher winding density, u becomes smaller.…”

Section: Design and Fabricationmentioning

confidence: 99%

“…In addition, the antennas appropriate for such a system must be studied. One of the antennas satisfying such requirement is a printed antenna [4]. More recently, the research on the active integrated antenna in which MMIC and printed antennas are integrated has been advanced [5, 61, and the development of a broadband planar antenna operating at millimeter-wave frequencies is needed.…”

Section: Introductionmentioning

confidence: 99%

A printed two‐arm spiral antenna operating at the 90‐GHz band

Fukutomi

Yasuoka

Kawasaki

et al. 1995

Electron Comm Jpn Pt II

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Recently, there has been increased research on millimeter‐wave regions due to mobile communication. In addition to the characteristics of high‐frequency carrier, an even larger‐capacity communication becomes possible by making the communication circuits and the antennas broadband. This paper describes a high‐frequency broadband printed antenna necessary for a monolithic small and lightweight transceiver capable of a large‐capacity communication. As a broadband antenna, a two‐arm spiral antenna was designed and tested at 90 GHz. At frequencies from 89 GHz through 99 GHz, the antenna pattern and the return loss were measured. In addition, Hallen's integral equation for a linear antenna with an arbitrary shape was analyzed numerically by means of the moment method so that the difference between the theory and the measurement was verified. Agreement of both is excellent. Hence, the fundamental data have been collected for realization of broadband active integrated antennas which combine the monolithic circuit and the planar antenna.

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Millimeter wave antennas

Cited by 43 publications

References 45 publications

Leaky CPW-based slot antenna arrays for millimeter-wave applications

Leaky CPW-based slot antenna arrays for millimeter-wave applications

Rectangular Microstirp Patch Antenna Design at THz Frequency for Short Distance Wireless Communication Systems

A printed two‐arm spiral antenna operating at the 90‐GHz band

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