Wideband CPW-Fed Oval-Shaped Monopole Antenna for Wi-Fi5 and Wi-Fi6 Applications

Kulkarni, Jayshri; Sim, Chow‐Yen‐Desmond

doi:10.2528/pierc20110903

Cited by 25 publications

(16 citation statements)

References 16 publications

(57 reference statements)

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“…Wheeler cap method [11][12][13][14] is used to measure the efficiency of the proposed antenna. The efficiency of the proposed antenna over the band is also shown in Fig.…”

Section: Optimised Parameter Value (In Mm)mentioning

confidence: 99%

An Electrically Small Ultra-Wideband CPW-Fed Monopole Antenna

Vinisha¹,

Dinesh²,

Rajan³

et al. 2021

PIER C

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An electrically small ultra-wideband (UWB) antenna to cater to the need for UWB communication suitable for today's small gadgets is presented. The antenna is realized on a substrate of relative dielectric permittivity 4.4, loss tangent 0.02, and height 1.6 mm. The overall dimension of the antenna is 21 mm × 16 mm × 1.6 mm (0.217λ min × 0.165λ min × 0.0165λ min ), where λ min is the wavelength corresponding to the antenna's lowest operating frequency in free-space 3.1 GHz. The small 'k min a' value of 0.856 of the antenna, where k min is the wavenumber corresponding to λ min , and 'a' is the radius of the sphere that can fully enclose the antenna, is electrically small. The antenna operates at the FCC recommended UWB frequency range from 3.1 GHz to 10.6 GHz with a reasonably good 2 : 1 voltage standing wave ratio (VSWR) impedance bandwidth. A prototype of the proposed antenna is fabricated, and different radiation characteristics of the antenna in the frequency and time domain are measured and validated by simulation. The high pulse fidelity for different antenna orientations and very small group delay in the operating frequency band exhibit insignificant pulse distortion. The equivalent isotropically radiated power (EIRP) of the antenna satisfies the FCC mask in the entire UWB. The maximum gain and efficiency achieved within the UWB are 3.95 dBi and 93%, respectively. Radiation characteristics of the antenna in the UWB are studied in an anechoic chamber using Agilent PNA E 8362B.

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“…Wheeler cap method [11][12][13][14] is used to measure the efficiency of the proposed antenna. The efficiency of the proposed antenna over the band is also shown in Fig.…”

Section: Optimised Parameter Value (In Mm)mentioning

confidence: 99%

An Electrically Small Ultra-Wideband CPW-Fed Monopole Antenna

Vinisha¹,

Dinesh²,

Rajan³

et al. 2021

PIER C

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“…However, the antenna design requires a design with multiple frequency bands and a large bandwidth is the same basic design principle. The main reason is that various wireless communication design standards must be accommodated in one device [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Miniaturized Broadband-Multiband Planar Monopole Antenna in Autonomous Vehicles Communication System Device

Chung

Yang

2021

Electronics

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The article mainly presents that a simple antenna structure with only two branches can provide the characteristics of dual-band and wide bandwidths. The recommended antenna design is composed of a clockwise spiral shape, and the design has a gradual impedance change. Thus, this antenna is ideal for applications also recommended in these wireless standards, including 5G, B5G, 4G, V2X, ISM band of WLAN, Bluetooth, WiFI 6 band, WiMAX, and Sirius/XM Radio for in-vehicle infotainment systems. The proposed antenna with a dimension of 10 × 5 mm is simple and easy to make and has a lot of copy production. The operating frequency is covered with a dual-band from 2000 to 2742 MHz and from 4062 to beyond 8000 MHz and, it is also demonstrated that the measured performance results of return loss, radiation, and gain are in good agreement with simulations. The radiation efficiency can reach 91% and 93% at the lower and higher bands. Moreover, the antenna gain can achieve 2.7 and 6.75 dBi at the lower and higher bands, respectively. This antenna design has a low profile, low cost, and small size features that may be implemented in autonomous vehicles and mobile IoT communication system devices.

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“…In terms of improving impedance matching and radiation characteristics, a loading slot can be used to couple the same stub to the radiating element, and the stub is coupled to the local ground [20]. It is also possible to load a double T-shaped structure inside the elliptical ring structure to improve the −10 dB impedance bandwidth of the antenna without affecting the compactness of the antenna [21].…”

Section: Introductionmentioning

confidence: 99%

A Novel “回” Pane Structure Multiband Microstrip Antenna for 2G/3G/4G/5G/WLAN/Navigation Applications

Lin

Ran

et al. 2021

International Journal of Antennas and Propagation

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This work proposes a novel multiband slotted planar antenna with a “回” structure, which is similar to an ancient Chinese window grille structure. The antenna is suitable for wireless applications, including the second-generation (2G), third-generation (3G), fourth-generation (4G), and fifth-generation (5G) technologies, as well as WLAN and navigation applications. The proposed antenna is based on the structural characteristics of a conventional monopole antenna, which combines the advantages of a slit structure and microstrip line structure for feeding. It adopts a circular patch with a slit structure placed in it, which is similar to the Chinese classical pane structure. This structure enables an effective reduction of the size of the antenna. The four-sided “回” gaps change the path of current flow and are coupled to each other, improving the impedance matching and radiation characteristics of the entire target frequency band. The antenna covers the frequency ranges of 1.58–1.77 GHz (12%), 2.1–2.50 GHz (17%), 3.61–4.09 GHz (12%), and 4.75–6.5 GHz (36%), permitting more than 10 wireless applications in these 4 frequency bands. This antenna uses an FR-4 dielectric material; the relative dielectric constant of the dielectric plate is 4.4, and the actual dimensions of the antenna are 85 × 70 × 1.6 mm³. The test and simulation results are in good agreement with each other, thus confirming that the proposed design method meets the requirements of various wireless applications.

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Wideband CPW-Fed Oval-Shaped Monopole Antenna for Wi-Fi5 and Wi-Fi6 Applications

Cited by 25 publications

References 16 publications

An Electrically Small Ultra-Wideband CPW-Fed Monopole Antenna

An Electrically Small Ultra-Wideband CPW-Fed Monopole Antenna

Miniaturized Broadband-Multiband Planar Monopole Antenna in Autonomous Vehicles Communication System Device

A Novel “回” Pane Structure Multiband Microstrip Antenna for 2G/3G/4G/5G/WLAN/Navigation Applications

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