Design and Development of Multiband Coaxial Continuous Transverse Stub (CTS) Antenna Arrays

Isom, R.; Iskander, Magdy F.; Yun, Zhengqing; Zhang, Zhijun

doi:10.1109/tap.2004.832336

Cited by 38 publications

(21 citation statements)

References 2 publications

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“…The CTS antenna was invented in the 1990s at Hughes Aircraft Company [18], and has been widely adopted in the wireless communication systems. The coaxial cable fed omnidirectional radiated CTS antenna array was designed in [19][20][21] with the advantages of easy fabrication and low cost for higher frequency operation.…”

Section: Introductionmentioning

confidence: 99%

“…Based on the CTS antenna design of [19][20][21], we propose a CPWfed folded slot antenna array with azimuthal omnidirectional radiation pattern. All the radiating elements and feeding structures of the proposed antenna array use a single metal layer and are folded around a columnar substrate.…”

Section: Introductionmentioning

confidence: 99%

“…All the radiating elements and feeding structures of the proposed antenna array use a single metal layer and are folded around a columnar substrate. Compared with the CTS antenna design of [19][20][21], no extra stubs are needed. The fabrication of the proposed antenna array is even easier than the CTS antenna array presented in [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

“…Compared with the CTS antenna design of [19][20][21], no extra stubs are needed. The fabrication of the proposed antenna array is even easier than the CTS antenna array presented in [19][20][21]. The proposed antenna array also has the properties of low cost and compact dimension.…”

Section: Introductionmentioning

confidence: 99%

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A Leaky Wave Slot Antenna Array Using Single Metal Layer With Azimuthally Omnidirectional Pattern

Li¹,

Zhang²,

Feng³

2013

PIER

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Abstract-This paper proposes a leaky wave slot antenna array for azimuthally omnidirectional coverage. Slot elements were arranged in cascade and series-fed by a coplanar waveguide (CPW). The most important novelty of this paper is that the whole array, including all the radiating elements and feeding structures, was arranged on a single metal layer.This simple structure has the merits of easy fabrication and low cost, especially at higher frequencies, such as millimeter wave band. Moreover, the proposed antenna array was folded around a center-hollowed columnar substrate to achieve omnidirectional radiation pattern in the azimuthal plane, with the gain variation less than 1.1 dB, which is similar to previous omnidirectional antenna array. In this paper, a prototype of the proposed antenna array at 2.3 GHz was built and tested to validate the design strategy. The measured results, including S parameters, radiation patterns, and gain, were found to agree well with the simulation ones.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Leaky Wave Slot Antenna Array Using Single Metal Layer With Azimuthally Omnidirectional Pattern

Li¹,

Zhang²,

Feng³

2013

PIER

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“…Existing dual omnidirectional planar antenna arrays [18][19][20] could not control the radiation aperture, and have problems with small limited gain due to the shunt-fed network. Recently, the integration of dualband antennas based on two elements and bandpass filters has been considered to be one of the best solutions for dual or multiband systems, which can be used for the suppression of unwanted harmonics of the antenna and in the improvement of reflection loss and the selectivity of the antenna [21][22][23][24][25]. Therefore, we propose a novel design method of the dualband omnidirectional planar microstrip antenna array.…”

Section: Introductionmentioning

confidence: 99%

Design of a Dualband Omnidirectional Planar Microstrip Antenna Array

Wei¹,

Zhang²,

Feng³

2012

PIER

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Abstract-This paper proposes and designs a new method of dualband omnidirectional planar microstrip antenna array. A cascade of transposed microstrip lines have been adapted to produce effective antenna structures that radiate omnidirectionally, with high efficiency, low reflection, and useful radiation patterns. In this paper, the antenna structure has been found to have low-pass characteristics due to the periodic discontinuities at the transposed junctions. The analysis and design of the low-pass characteristic are performed according to the filter theory of periodic structures and full-wave simulation. Therefore, a relatively higher frequency radiating array is appropriately designed with a low-pass filtering attribute, which prevents the lower frequency radiators from resonating at the relatively higher frequency. An air gap between adjacent transposed sections is proposed in order to enhance impedance matching, and a fork shape stub at the end is used as a virtual short point to enhance radiation at the higher frequency. Finally a single port dualband omnidirectional antenna array is obtained by locating the higher frequency radiating array with low-pass filtering attribute near the antenna feed and a relatively lower frequency radiating array at the end. An example of a dualband omnidirectional planar array is demonstrated experimentally, which operates at 2.32 ∼ 2.56 GHz and 5.65 ∼ 6.10 GHz with S 11 < −10 dB and a stable radiation pattern, and corresponding gains of 7.0 ∼ 7.6 dBi and 6.9 ∼ 7.9 dBi respectively.

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