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عنوان فارسی مقاله:

آنتن منوپل سه گانه کوچک جدید با ساختار فراکتال زیگ زاگ

عنوان انگلیسی مقاله:

A novel small triple-band monopole antea with crinkle fractal-structure

سال انتشار : 2016

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مقدمه انگلیسی مقاله:

1. Introduction

Recently, the need for the design of an antea with multiband operation has increased. The engineering new challenges in wireless communication systems include small-size, easy fabrication, low–cost, light weight, high-performance, and wide bandwidth antea. Microstrip monopole antea has wide impedance bandwidth, small size, light weight and it is good candidate for multiband operations [1–4]. The multiband anteas have main role for wireless local area network (WLAN: 2.4–2.484, 5.15–5.35 and 5.725–5.85 GHz) and worldwide interoperability for microwave access (WiMAX: 2.5–2.69, 3.4–3.69 and 5.25– 5.85 GHz) applications. The speedy growth in wireless communication systems, caused multiband antea more stand beloved [5,6]. A compact antea with a straight coupled-fed microstrip line, U-shaped slot for multi-band applications is presented. This antea has good radiation and gain characteristics, and can cover Digital Communication System [7]. In [8], a penta-band antea for mobile phone applications is presented. The antea has two modified inverted-L patch and short grounded transmission line for impedance matching. There have been different anteas for DCS application [1–4,7–10]. A compact coplanar waveguide (CPW)-fed antea for WLAN/WiMAX applications is presented. The radiation patch is fed by transmission line and with using parasitic strip on the back plane of the substrate, tri-band resonances are generated [11]. In [12], a novel monopole antea by microstrip-fed for WLAN/WiMAX applications is presented. The proposed antea consists of one branch strip, two hookshaped strips and a rectangular slot in the ground plane. A novel dipole antea with multiband operation for WLAN/WiMAX applications is presented. The antea consists of several symmetrical branch strips and modified rectangular ground plane, a modified rectangular plane is act as a reflector for directive gain [13]. In [17], the antea consists of L-shaped slits and an inverted L-shaped slot in the radiating patch for WLAN/WiMAX applications is presented. There has been different antea for WLAN/WiMAX applications [5–6,11–21]. In [18], a coplanar waveguide-fed (CPW) antea includes a square spiral patch to increase resonance frequencies and two L-shaped strips for achieving wider impedance bandwidth. The antea can cover 2.4/5.2/5.8 GHz WLAN and 3.5/5.5 GHz WiMAX bands. In [19], a microstrip antea consists of two square spiral arms presented. The antea by using square spirals, can achieve multiband operation for WLAN/WiMAX applications. In this essay a novel monopole antea with crinkle fractalstructure for DCS/WiMAX and WLAN applications has been reported. The antea include of crinkle fractal radiating structure, which this crinkles achieve by parametric simulations. By adding crinkle fractal the number of resonance frequencies are increased. The proposed antea has wide impedance bandwidth. The antea has a easy structure and small size, the measured results show impedance bandwidths of 189 MHz (1.691–1.880 GHz), 212 MHz (3.412–3.624 GHz), 302 MHz (5.139–5.441 GHz), to cover the DCS or GSM1800: 1.795 GHz, worldwide interoperability for microwave access (WiMAX: 3.5 GHz), wireless local area network (WLAN: 5.2 GHz), and good radiation characteristics for the operating bands.

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کلمات کلیدی:

A novel compact dual-band monopole antea using defected ground ... ieeexplore.ieee.org/abstract/document/6814645/ by L Li - 2013 - Cited by 2 - Related articles A novel compact dual-band monopole antea using defected ground structure ... The proposed antea has a small overall size of 20mm×28mm, and operates ... A novel design of triple-band monopole antea for multi-input multi ... onlinelibrary.wiley.com/doi/10.1002/mop.27579/abstract by N Ojaroudi - 2013 - Cited by 7 - Related articles Mar 27, 2013 - A novel design of triple-band monopole antea for multi-input ... are presented to validate the usefulness of this small proposed antea ... A Novel Triple-Band Monopole Antea with Double Coupled C ... www.tandfonline.com/doi/full/10.1163/156939311795762150 by Y Han - 2011 - Cited by 29 - Related articles Apr 3, 2012 - In this paper, a novel triple-band monopole antea with double coupled C-shaped ... of 2.4/5.2/5.8 GHz WLAN bands and 2.5/3.5/5.5 GHz WiMAX bands. ... Small Tri-Band Monopole Antea for WiMAX/WLAN Applications. [PDF]printing a novel compact triple-band monopole antea on ... - URSI www.ursi.org/proceedings/procGA11/ursi/DP4-13.pdf by CG Kuo - Related articles The novel triple-band monopole antea was proposed to operate at 2.4 (WLAN), 3.5 ... First, the FR4 substrate is not suitable for the fabrication of small size. Sparrho | A Novel Small Triple-Band Monopole Antea with Crinkle Fra https://www.sparrho.com/item/a-novel-small-triple-band-monopole...with.../95e5e7/ Aug 2, 2016 - A novel monopole antea with crinkle fractal-structure for multiband applications is presented. In this paper adding crinkle fractal leads to ... A Printed Monopole Antea for Triple-Band WLAN/WiMAX Applications https://www.hindawi.com/journals/ijap/2015/254268/ by H Zhai - 2015 - Related articles Jan 9, 2015 - A new compact design of monopole antea for triple-band WLAN/WiMAX ... As the introduction of two novel compact etched paper clip structures and ... indicate that the antea with clip type slot obviously becomes smaller. [PDF]MINIATURE TRIPLE-BAND CPW-FED MONOPOLE ANTENNA FOR ... www.jpier.org/PIERL/pierl31/10.12022507.pdf by XQ Zhang - 2012 - Cited by 19 - Related articles Apr 9, 2012 - with triple-band operation for wireless local area network (WLAN) and worldwide ... small cross-polarization and stable antea gains across the three operating .... Ali Nezhad, S. M. and H. R. Hassani, “A novel triband E-.