A CPW-Fed Dual Band-Notched Uwb Antenna With a Pair of Bended Dual-L-Shape Parasitic Branches

Liu, Xiang Long; Yin, Yingzeng; Liu, Ping An; Wang, Jun Hui; Xu, Bin

doi:10.2528/pier12122507

Cited by 66 publications

(49 citation statements)

References 21 publications

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“…Isolation between antenna elements in the proposed structures is also validated by evaluating Envelop Correlation coefficient (ECC (ρ e )) for complete bandwidth (2)(3)(4)(5)(6)(7)(8)(9)(10)(11). ECC is the measure of correlation factor between antennas.…”

Section: Realization Of Diversity Antenna With Reduced Mutual Couplinmentioning

confidence: 99%

“…For multi band-notch, multiple slots can be utilized [4][5][6], but it will affect antenna's performance in terms of decrement in antenna's gain and efficiency. On the other hand, open or close loop techniques involve capacitive or inductive coupling of quarter or half wavelength open or closed planar loops resonators with antenna feed line, with radiator [7,8] or with the ground plan [9]. These techniques brilliantly exhibit multi band-notch characteristics without affecting antenna performance.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, many multi band-notch antenna configurations have been proposed [2][3][4][5][6][7][8][9]. Most common techniques for attaining multi band-notch characteristic are slot techniques and open or close ended loop resonator techniques.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Bluetooth/Uwb Dual-Band Planar Diversity Antenna With Wimax and Wlan Band-Notch Characteristics

Reddy¹,

Chittora²,

Kharche³

et al. 2013

PIER B

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Abstract-In this paper, a stage wise realization of compact Bluetooth -UWB dual-band diversity antenna with WiMAX and WLAN band-notch characteristics is presented.The proposed structure consists of two co-planar semicircular dual band-notch monopole antennas, mounted with planar spiral. Individual antenna configuration provides an impedance bandwidth (VSWR < 2) for dualband i.e., both Bluetooth and UWB bands. For dual band-notch characteristic, two sets of spirals are capacitively coupled with the feed line of antenna. This configuration provides band-notch (VSWR < 2) for WiMAX i.e., (3.3-3.6 GHz) and WLAN (5.13-5.85 GHz) bands. For enhancing reception capabilities of the proposed structure, twin coplanar antennas are used to fulfill diversity requirements. However, due to coplanar and close proximity to each other, there is high possibility of mutual coupling between coplanar antenna elements. To address the mutual coupling between elements, cross-strip variablesized frequency selective structures are used. Antenna diversity of the proposed structure is validated by measuring radiation pattern characteristic and envelop co-relation factor (ECC). A good agreement between measured and simulated responses ensures that the proposed diversity antenna can be used for interference free Bluetooth/UWB dual-band applications.

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Section: Realization Of Diversity Antenna With Reduced Mutual Couplinmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Bluetooth/Uwb Dual-Band Planar Diversity Antenna With Wimax and Wlan Band-Notch Characteristics

Reddy¹,

Chittora²,

Kharche³

et al. 2013

PIER B

View full text Add to dashboard Cite

show abstract

“…Also, in these systems, high-performance antennas are required to have the characteristic of low-profile [2][3][4]. Compared with the traditional wide band antennas such as Vivaldi, log-periodic and spirals, slot antenna becomes an attractive candidate to realize a broadband and UWB characteristics due to its low profile, wide bandwidth, compact size, low cost, and ease of fabrication as well as easy integration in active components and monolithic microwave integrated circuits [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

A Compact Uwb Antenna Design Using Rounded Inverted L-Shaped Slots and Beveled Asymmetrical Patch

Dastranj¹,

Bahmanzadeh²

2018

PIER C

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Abstract-A compact ultra-wideband (UWB) antenna with simple structure is presented. To achieve UWB performance with a compact size, two open ended rounded inverted L-shaped slots are etched on the square ground plane. Moreover, further bandwidth enhancement is obtained by cutting a bevel on the asymmetrical radiating patch. The antenna is fed by a 50 Ω microstrip line and has a small size of 28 × 28 × 1.6 mm 3 . The simulation time-and frequency-domain results obtained from HFSS simulator package are verified by experimental measurements. Both simulated and measured results show that the antenna can provide a wide impedance bandwidth of more than 129% from 2.7 to 12.55 GHz with −10-dB reflection coefficient. Besides, it is shown that by introducing several antenna designs, the impedance bandwidth can be enhanced from 58% to 129%. The effects of the key design parameters on the antenna impedance bandwidth are also investigated and discussed. Measured results for the reflection coefficient, far-field radiation patterns, radiation efficiency, gain, and group delay of the designed antenna over the UWB spectrum are presented and discussed. Measured data show good concordance with the numerical results. Also, the fidelity factor is calculated in both E-and H-plane by using CST Microwave Studio. The obtained results in both time-and frequency-domain indicate that the antenna is a good option for UWB applications.

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“…Typically, different slots are inserted into the radiating elements or ground planes to reject narrow-band applications [1][2][3][4][5][6]. Another category of UWB antenna with band-notch characteristics has been achieved by introducing parasitic elements [7][8][9]. However, once the antenna is fabricated, the center frequency of notch band is fixed.…”

Section: Introductionmentioning

confidence: 99%

A Vivaldi Antenna With Switchable and Tunable Band-Notch Characteristic

Yang¹,

Zeng²,

Liu³

et al. 2016

PIER C

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Abstract-This paper proposes an ultrawideband (UWB) Vivaldi antenna with switchable and tunable band-notch characteristics. One stepped-impedance resonator (SIR), which has high quality factor Q and small size, is introduced to create band-notched characteristic with narrow notch band and high notch band edge selectivity. By loading two varactor diodes, a wide tunable notched band is achieved. The center frequency of notch band can tune from 3.1 GHz-6.8 GHz. In order to make the full use of UWB spectrum when there is on coexisting narrow-band applications, switchable band-notch characteristic is desired. Through rational parameters design, the center frequency of notched band is out of UWB range when the DC bias voltage of the varactor diode is 0 V. In this way, switchable band-notch characteristic is achieved.

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A CPW-Fed Dual Band-Notched Uwb Antenna With a Pair of Bended Dual-L-Shape Parasitic Branches

Cited by 66 publications

References 21 publications

Bluetooth/Uwb Dual-Band Planar Diversity Antenna With Wimax and Wlan Band-Notch Characteristics

Bluetooth/Uwb Dual-Band Planar Diversity Antenna With Wimax and Wlan Band-Notch Characteristics

A Compact Uwb Antenna Design Using Rounded Inverted L-Shaped Slots and Beveled Asymmetrical Patch

A Vivaldi Antenna With Switchable and Tunable Band-Notch Characteristic

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