Dual-Band N-Way Series Power Divider Using CRLH-TL Metamaterials With Application in Feeding Dual-Band Linear Broadside Array Antenna With Reduced Beam Squinting

Bemani, Mohammad; Nikmehr, Saeid

doi:10.1109/tcsi.2013.2255631

Cited by 25 publications

(18 citation statements)

References 30 publications

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“…SPDs are one of the most important power dividers used to provide a simple compact feeding network with negligible power loss for arrays of elements of any kind [8]. In another approach, in order to have an antenna array with the minimum beam deviation, a 3-way SPD has been designed with a relatively large distance between the output ports [9]. This shortcoming is due to the limited capability of the phase characteristic of the negative-refractive-index transmission-line (NRI-TL) structures.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, the nonlinear phase characteristic of such structures help us to design and improve the operation of a dual (and multi)-band microwave devices. One of the drawback of the technique used in [9] is that it cannot control the direction of the main-beam angle of the antenna array pattern unless changing the inter-element distances. Moreover, this strategy is not also aligned with the fact that the interelement spacing is normally fixed and its maximum value should not be greater than the half-wavelength at the maximum frequency.…”

Section: Introductionmentioning

confidence: 99%

“…To resolve the aforementioned problems in [9], in this paper, we propose the use of E-CRLH to engineering the beam squinting of the antenna array. Due to having a small size, this structure can be integrated with other microwave devices.…”

Section: Introductionmentioning

confidence: 99%

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A Dual-Band Feed Network for Series-Fed Antenna Arrays Using Extended Composite Right/Left-Handed Transmission Lines

Bemani

Nikmehr

Fozi

2017

IEEE Trans. Antennas Propagat.

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In this paper, extended composite right/left-handed (E-CRLH) structures are studied to design multiband microwave devices. As an example, a 3-way series power divider (SPD) is designed. The overall effects of the E-CRLH structures, as the feeding networks of the antenna arrays, on the antenna arrays main beam variations are investigated. We also design and implement two antenna arrays with N = 3 elements and the same inter-element distances each fed by a distinct 3-way SPD. The radiation patterns of the antennas are examined. Simulation and measurement results demonstrate that the desired main-beam squinting of the antenna array could be obtained by engineering the parameters of the feeding network instead of adjusting the inter-element distances.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Dual-Band Feed Network for Series-Fed Antenna Arrays Using Extended Composite Right/Left-Handed Transmission Lines

Bemani

Nikmehr

Fozi

2017

IEEE Trans. Antennas Propagat.

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“…A microstrip structure is cheap, easy to fabricate, and easy to be integrated into an electronic system. For size reduction, some novel topologies are applied [1,2], and some metamaterial related composite right/left-handed (CRLH) transmission lines are used [3][4][5]. Multi-band devices are playing an increasingly important role in integrated circuits, as it can be realized for multi-functions without increasing the physical size significantly [6,7].…”

Section: Introductionmentioning

confidence: 99%

A Frequency Tunable Double Band-Stop Resonator with Voltage Control by Varactor Diodes

Wang¹,

Yoon²,

Lee³

2016

Journal of electromagnetic engineering and science

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In this paper, a frequency tunable double band-stop resonator (BSR) with voltage control by varactor diodes is suggested. It makes use of a half-wavelength shunt stub as its conventional basic structure, which is replaced by the distributed LC block. Taking advantage of the nonlinear relationship between the frequency and electrical length of the distributed LC block, a dual-band device can be designed easily. With two varactor diodes, the stop-band of the resonator can be easily tuned by controlling the electrical length of the resonator structure. The measurement results show the tuning ranges of the two operating frequencies to be 1.82 GHz to 2.03 GHz and 2.81 GHz to 3.03 GHz, respectively. The entire size of the resonator is 10 mm × 11 mm, which is very compact. This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. ⓒ

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“…Based on these structures, many novel guided components have been proposed. Examples for these applications include radar absorber [14] , [IS] , impedance transfonners [16] , [17] , resonators [18] - [21] , power divider [22] - [24] , circulator [25] couplers [26]- [28] , fIlters [29] - [33] . Also, novel antennas have been proposed in the literature [34] - [44].…”

mentioning

confidence: 99%

B10. Compact multi band GSM-GPS-WiFi meta-material front end antennas

Fouad

Abdalla

2015

2015 32nd National Radio Science Conference (NRSC)

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This paper presents two different types with compact triple band metamaterial antennas for GSM (900 MHz), GPS (1.25 GHz & 1. 5 GHz), and WiFi (2.4 GHz) applications. Two proposed antennas were proposed based on using integration of a rectangular patch antenna with two different metamaterial cells. The design has been carried out, validated by full wave simulations and confirmed by measurements. The results confirm that the two introduced antennas has triple bands operation with return loss better than 10 dB at each operating band. Good agreement between the simulated and measured results is achieved. The second proposed antenna size been reduced by 25% and 15% decrease in the operating frequency compared to the first one. The analysis, design concepts, full wave simulations and experimental results are introduced for the two proposed antennas.

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Dual-Band N-Way Series Power Divider Using CRLH-TL Metamaterials With Application in Feeding Dual-Band Linear Broadside Array Antenna With Reduced Beam Squinting

Cited by 25 publications

References 30 publications

A Dual-Band Feed Network for Series-Fed Antenna Arrays Using Extended Composite Right/Left-Handed Transmission Lines

A Dual-Band Feed Network for Series-Fed Antenna Arrays Using Extended Composite Right/Left-Handed Transmission Lines

A Frequency Tunable Double Band-Stop Resonator with Voltage Control by Varactor Diodes

B10. Compact multi band GSM-GPS-WiFi meta-material front end antennas

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