Microstrip Antennas

Richards, W.

doi:10.1007/978-1-4615-6459-1_10

Cited by 29 publications

(21 citation statements)

References 52 publications

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“…4), one first needs to account for the feeding mechanism. Proximity coupling and aperture feeding are among the possible schemes [15,[18][19][20][33][34][35]. Here, the probe-feeding mechanism is chosen as an example for discussion.…”

Section: The Concept Of Impedance Mapsmentioning

confidence: 99%

“…The work of Harrington and Mautz is one example [3], and the work of Shen and MacPhie is another [4]. Remarkably, the analysis and design of printed antennas is widely documented in numerous research papers and assembled in several books (see for example [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]). In its simplest form, a planar printed antenna is modeled as a transmission line model with its radiating edges treated as slots.…”

Section: Introductionmentioning

confidence: 99%

“…A more rigorous analysis came in 1977 by Professor Lo [2] who treated the planar printed antenna as a cavity. His work was amended by multiple refinements to the modal approach for antenna design [14,15]. However, the research following his approach essentially diminished since the early 1990s with rare subsequent occurrences in publications.…”

Section: Introductionmentioning

confidence: 99%

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Modern Antenna Design Using Mode Analysis Techniques

Shaker¹,

Safavi‐Naeini²,

Sangary³

2015

PIER B

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Abstract-In this paper, the modal theory of antennas is re-visited, believing that it brings invaluable information towards facilitating the design of multi-feed multi-band antennas. First, some subtle changes are proposed to enhance the applicability of the theory. Next, using some efficient computational techniques, the proposed formulations are shown to predict, to a very high accuracy, the input impedance of any antenna under study. This greatly simplifies the antenna problem and focuses design efforts on finding the appropriate complex resonance frequency to cover a required band. Finding the appropriate feed location is then a matter of extracting the corresponding impedance map for this antenna through simple field manipulations.

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Section: The Concept Of Impedance Mapsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modern Antenna Design Using Mode Analysis Techniques

Shaker¹,

Safavi‐Naeini²,

Sangary³

2015

PIER B

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“…For resonant input resistance analysis, the admittances of the fingers are Y 21 23 , therefore G 1 = G 2 and B 2 = -B 1 . As the total resonant input admittance is real, the total input resistance also is real, and it is given by [22]: …”

Section: Microstrip Patch Elementmentioning

confidence: 99%

Planar Finger-Shaped Antenna used in Ultra-Wideband Wireless Systems

et al. 2014

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Recently, extensive requirements have developed for ultra-wideband (UWB) IntroductionThere are many applications for UWB technology at the present time, such as mobile radio and wireless communication with pulses that are less than a nanosecond. UWB techn0logoy is used extensively because it provides several advantages, including 1) low complexity and low cost, 2) high quality service, 3) high transmission rates, and 4) operational flexibility [1]. To meet the requirements of applications in wireless communication systems, small microstrip antennas can be designed that have ultra-wide bandwidths of frequency that allows them to achieve high-capacity bit rates of several hundred Mbps or even Gbps for distances up to 10 meters. The UWB frequencies are allocated by the Federal Communications Commission (FCC) in the United States, and the frequency spectrum ranges from 3.1 to 10.6 GHz with a low-power spectral density of -41.3 dBm/MHz [2]. Thus, we proposed a sensitive microstrip-patch antenna with a reflection coefficient of less than -10 dB that has high gain, good directivity, small size, and transmission-line feeding but which is also lightweight. Many shapes have been designed to achieve the desired UWB characteristics, such as the diamond antenna [3] for the operational band 3.38 to 14 GHz; the T-slotted, ground-plane antenna [4] with a frequency range of 3.1 to 11.5GHz; the 'smart antenna' for spatial rake receivers [5]; UWB slotted microstrip patch antenna using FR4 material of 4.4 dielectric constant and dimensions are 30mm x 55mm [6]; the dual-band, notched antenna with curved was proposed by [7] to operate from 2.5 to 12 GHz; the two-port, circular-patch antenna for divers applications [8]; the bow-tie, planar, wideband dipole with a frequency range between 4 and 9 GHz [9]; a four-element, microstrip, antenna array that was presented in [10] to attract the radiated data in the FCC frequency range; a planar monopole antenna with an octagonal-shaped patch that was produced by [11] and multi-band and wideband antenna was designed by [12] to operate in the allocated bandwidth for UWB wireless communications; fork-shaped radiating patch was proposed by [13] to cover Bluetooth and UWB frequency bands and the fabricated substrate

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“…불연속이 발생 하는 PPW의 다양한 구조에 대한 해석 [4]～ [7] 과, 어떠 한 구조의 해석을 PPW의 모드를 이용한 해석에 대 한 연구가 진행되어 왔다 [8]～ [10] . [19] . .…”

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An Investigation of Higher Order Modes in Widthwise in Parallel Plate Waveguide

Cho¹,

Jo²,

Park³

2012

The Journal of Korean Institute of Electromagnetic Engineering

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Transverse electric modes in parallel plate waveguide of which cut-off frequency is much lower than that of TE1 and TM1 mode generally known as the lowest higher order mode are investigated. Electric and magnetic field components of the modes are evaluated with the assumption that boundaries at both sides are perfect magnetic conductor. The existence of these modes are verified by simulation and experimental measurement of parallel plate waveguide cavity. Changed characteristics from the fact that the boundaries are imperfect are studied.

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Microstrip Antennas

Cited by 29 publications

References 52 publications

Modern Antenna Design Using Mode Analysis Techniques

Modern Antenna Design Using Mode Analysis Techniques

Planar Finger-Shaped Antenna used in Ultra-Wideband Wireless Systems

An Investigation of Higher Order Modes in Widthwise in Parallel Plate Waveguide

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