Abstract:A new design of a compact ultra‐wide band (UWB) monopole antenna with triple‐band, triple‐sense circular polarisation (CP) is presented here. It is composed of a compact quad‐circular monopole, a fractal parasitic ring resonator, a triangular ring resonator, rectangular ring resonator, and modified ‘T’ and ‘I’ shaped slots on the ground plane along with a rectangular stub with ‘E’‐shaped slot on the right side of the monopole. The proposed antenna radiates left‐hand circularly polarised (LHCP) wave at lower an… Show more
“…In [169], a combination of triangular Koch, square Koch, tree, and Giuseppe Peano fractals are applied to the branches of log-periodic dipole microstrip antennas to generate end-fire radiation characteristics for ultrawideband applications. In [170], a new design of a compact fractal-based UWB monopole antenna is presented which covers an ultra-wide bandwidth from 3.1 to 11 GHz (112%) along with triple-band, triple-sense circular polarization (CP).…”
Section: Fractal Antennas For Uwb Applicationsmentioning
confidence: 99%
“…Fig. 31.Evolution of the proposed antenna from a basic monopole antenna (M0 = 13.5 mm) [170]. P = 1 P = 2 P = 3.…”
Section: Fractal Antennas For Uwb Applicationsmentioning
In mathematical definition, a fractal is a self-similar subset of Euclidean space whose fractal dimension strictly exceeds its topological dimension which in turn involves a recursive generating methodology that results in contours with infinitely intricate fine structures. Fractal geometry has been used to model complex natural objects such as clouds coastlines, etc., that has space-filling properties. In the past years, several groups of scientists around the globe tried to implement the structure of fractal geometry for applications in the field of electromagnetism, which led to the development of new innovative antenna configurations called “fractal antennas” which is primarily focused in fractal antenna elements, and fractal antenna arrays. It has been demonstrated that by exploiting the recursive nature of fractals, several marvellous kinds of properties can be observed in antennas and arrays. The primary focus of this article is to provide a compressed overview of the developments in fractal-shaped antennas as well as arrays over the last few decades where the most prominent contributions mostly from IEEE journals have been highlighted. The open intention of this review work is to show an encouraging path to antenna researchers for its advancement using fractal geometries.
“…In [169], a combination of triangular Koch, square Koch, tree, and Giuseppe Peano fractals are applied to the branches of log-periodic dipole microstrip antennas to generate end-fire radiation characteristics for ultrawideband applications. In [170], a new design of a compact fractal-based UWB monopole antenna is presented which covers an ultra-wide bandwidth from 3.1 to 11 GHz (112%) along with triple-band, triple-sense circular polarization (CP).…”
Section: Fractal Antennas For Uwb Applicationsmentioning
confidence: 99%
“…Fig. 31.Evolution of the proposed antenna from a basic monopole antenna (M0 = 13.5 mm) [170]. P = 1 P = 2 P = 3.…”
Section: Fractal Antennas For Uwb Applicationsmentioning
In mathematical definition, a fractal is a self-similar subset of Euclidean space whose fractal dimension strictly exceeds its topological dimension which in turn involves a recursive generating methodology that results in contours with infinitely intricate fine structures. Fractal geometry has been used to model complex natural objects such as clouds coastlines, etc., that has space-filling properties. In the past years, several groups of scientists around the globe tried to implement the structure of fractal geometry for applications in the field of electromagnetism, which led to the development of new innovative antenna configurations called “fractal antennas” which is primarily focused in fractal antenna elements, and fractal antenna arrays. It has been demonstrated that by exploiting the recursive nature of fractals, several marvellous kinds of properties can be observed in antennas and arrays. The primary focus of this article is to provide a compressed overview of the developments in fractal-shaped antennas as well as arrays over the last few decades where the most prominent contributions mostly from IEEE journals have been highlighted. The open intention of this review work is to show an encouraging path to antenna researchers for its advancement using fractal geometries.
“…In [197], a compact CPW-fed UWB monopole antenna with triple band CP characteristics is reported. The design introduces a rectangular stub with modified E-shaped slot to the right side of the monopole and modified I-shaped slot on the right side of the ground plane for achieving ultra-wide bandwidth of 112% (3.1–11 GHz).…”
Section: Multiband Cp Antennas Having Novel Structures and Band-specimentioning
confidence: 99%
“…Fig. 12.The (a) structure of a multi-band CP Antenna and its (b) current distribution at 5.52 GHz at 0° phase, (c) current distribution at 5.52 GHz at 90° phase, and (d) axial ratio bandwidths [197]. …”
Section: Multiband Cp Antennas Having Novel Structures and Band-specimentioning
confidence: 99%
“…The proposed antenna has a peak gain of 2.7 dB and overall efficiency of more than 80%. Such an antenna is immensely useful for modern [197].…”
This literature presents a comprehensive, technical review of circularly polarized (CP) antennas for different applications in wireless communication, emphasizing on the recent developments in the concerned research. The article also presents a comparative study of various works reported in the open literature, with an aim to highlight the contribution of CP antenna systems in the chronological development of the wireless communication technology. The primary motive of this review is to (a) highlight the methodologies used by different researchers to portray and analyze the different aspects in which CP antennas find their applications in modern-day wireless communication, (b) provide a practical viewpoint of the future scope of the study, based upon the past and present state-of-art research trends and (c) provide a conceptual and technical support to present-day antenna designers to help the process of furtherance of innovation and multiple system integration. In conclusion, the article also throws some light upon the future scope of research in the vast domain of CP antenna applications.
This article is aimed to discuss a novel high directional flared quasi-Yagi offset feed monopole UWB antenna. The proposed antenna is stamped on an FR-4 dielectric material of dimensions 40 mm × 48 mm × 1.6 mm, which is exhibiting a permittivity of 4.4 and a loss tangent of 0.019. It operates within a frequency spectrum of 3.06 to 12.37 GHz that includes the complete FCC ultra-wideband of 3.1 to 10.6 GHz. Maximum peak gain and radiation efficiency of this antenna are found to be 10.07 dBi at 10.4 GHz and 92.64% at 4.7 GHz, respectively. The presented antenna employs a novel structure comprising of flared elements, directors and offset feed to a planar monopole for achieving directional behaviour. Thanks to the novel technique for enhancing uni-directional characteristics in the entire operating band. Prototype of the proposed structure is fabricated and measurement results are verified with the simulation results. A good matching is also found between them.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
