Dual wideband coplanar waveguide-fed notched antennas with asymmetrical grounds for multi-band wireless application

Liu, W.C.

doi:10.1049/iet-map:20070022

Cited by 11 publications

(8 citation statements)

References 15 publications

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“…Because of the recent demand to incorporate more communication services, multiband antennas that are designed with sufficient bandwidths to cover operating bands are presently very important topics of research. Among these antennas, the monopole antenna, especially the CPW feeding structure, has received much attention owing to its attractive advantages such as low profile, light weight, broad impedance bandwidth, and easy fabrication [1][2][3][4][5][6]. A compact rectangular meandered monopole, which has a dual-frequency bandwidth operation, is proposed to work at GSM 900 and DCS 1800 systems [1].…”

Section: Introductionmentioning

confidence: 99%

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Bandwidth Enhancement Technique of the Meandered Monopole Antenna

Wang

Hsieh

2015

International Journal of Antennas and Propagation

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A small dual-band monopole antenna with coplanar waveguide (CPW) feeding structure is presented in this paper. The antenna is composed of a meandered monopole, an extended conductor tail, and an asymmetrical ground plane. Tuning geometrical structure of the ground plane excites an additional resonant frequency band and thus enhances the impedance bandwidth of the meandered monopole antenna. Unlike the conventional monopole antenna, the new resonant mode is excited by a slot trace of the CPW transmission line. The radiation performance of the slot mode is as similar as that of the monopole. The parametrical effect of the size of the one-side ground plane on impedance matching condition has been derived by the simulation. The measured impedance bandwidths, which are defined by the reflection coefficient of −6 dB, are 186 MHz (863–1049 MHz, 19.4%) at the lower resonant band and 1320 MHz (1490–2810 MHz, 61.3%) at the upper band. From the results of the reflection coefficients of the proposed monopole antenna, the operated bandwidths of the commercial wireless communication systems, such as GSM 900, DCS, IMT-2000, UMTS, WLAN, LTE 2300, and LTE 2500, are covered for uses.

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Section: Introductionmentioning

confidence: 99%

“…However, due to a high quality factor resulting from the meandered topology, the impedance bandwidth is quite narrow. A novel single-layer planar monopole for dual-band operation is shown in [3]. The effect of the impedance matching condition on size variation of the ground plane has been extensively investigated.…”

Section: Introductionmentioning

confidence: 99%

Bandwidth Enhancement Technique of the Meandered Monopole Antenna

Wang

Hsieh

2015

International Journal of Antennas and Propagation

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“…The coplanar waveguide (CPW)-fed antennas have many advantages, such as compact size, simple configuration, and suitable for integration. Various kinds of multi-band antennas have been proposed for WLAN/WiMAX applications [1]- [19]. Such as CPW-fed antennas [1]- [8], monopole antennas [9]- [13], U-shaped [14], S-shaped [15], C-shaped [16], and T-shaped [17] slot antennas, implantable antenna [18], and planar inverted-F antenna (PIFA) [19].…”

Section: Introductionmentioning

confidence: 99%

CPW-fed dual-band antenna for WLAN/WiMAX applications

Xuebin

Jin

2015

2015 2nd International Conference on Electronics and Communication Systems (ICECS)

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In this paper, a novel CPW-fed dual-band antenna for WLAN/WiMAX applications is proposed. The presented antenna is composed by an L-shaped slot and a T-shaped resonator. By using these two elements, dual-band antenna operating at WLAN and WiMAX bands can be implemented. The impedance bandwidths of |S 11 | ≤ -10 dB are 2.38-3.38 and 5.17-5.9 GHz, covering all the WLAN/WiMAX operation bands. In addition, the proposed antenna has moderate gains across all the operation bands with a compact size of only 30 × 35 × 1.6 mm 3 . Measured results are in good agreement with the simulated ones. Keywords-CPW-fed, dual-band antenna, microstrip antenna, WLAN/WiMAX. I.

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“…A wideband planar monopole antenna with dual band notched using L‐shaped slots has been designed in . In , a coplanar waveguide fed dual wideband antenna with notched function is described. Meanwhile, proposed a dual band notched with EBG structure, incorporated with UWB antenna.…”

Section: Introductionmentioning

confidence: 99%

Reconfigurable notched wideband antenna using EBG structure

Majid

Kamal²,

Rahim

et al. 2014

Micro & Optical Tech Letters

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In this article, a wideband monopole antenna with band notched reconfigurability is proposed. The antenna consists of a wideband monopole antenna, incorporated with reconfigurable electromagnetic bandgap (EBG) structures. Six EBG structures with different band notched frequency are used to achieve six band notched reconfigurations. The EBG structures are placed underneath the feed line of the antenna. A switch is placed at each EBG structure, and by controlling the state of the switch, the band notched operation of the EBG can be activated or deactivated. The proposed antenna is capable to provide useful features for the notched band UWB communication system. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:497–501, 2015

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Dual wideband coplanar waveguide-fed notched antennas with asymmetrical grounds for multi-band wireless application

Cited by 11 publications

References 15 publications

Bandwidth Enhancement Technique of the Meandered Monopole Antenna

Bandwidth Enhancement Technique of the Meandered Monopole Antenna

CPW-fed dual-band antenna for WLAN/WiMAX applications

Reconfigurable notched wideband antenna using EBG structure

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