Compact Slot Antenna for Mimo Applications in the Wlan Bands

Naser-Moghadasi, M.; Danideh, A.; Bakhtiari, A.; Sadeghifakhr, R.

doi:10.1002/mop.27855

Cited by 7 publications

(2 citation statements)

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“…The proper notched band of 0.55 GHz (from 2.81 GHz to 3.36 GHz) was obtained when the overall length of the L-shaped slot (L S1 = W 41 +L 41 ) was 14.2 mm. This latter length was approximately a quarter of the guided wavelength, corresponding to equation (1). Although the variation of L S1 had no effect on the second notched band and the resonant frequency at 7-GHz band, there was a high effect on the impedance matching of the…”

Section: Length Of the Three Slots (Variation Of L S1 L S2 And L 51 ...mentioning

confidence: 97%

“…In addition, the coplanar waveguide (CPW) feed lines have some interesting advantages compared to microstrip feed lines such as: lower dispersion at high frequencies, uniplanar configuration (fabricated on a single metallic layer), broadband characteristics and ease of integration with active Monolithic Microwave Integrated Circuits (MMIC) devices. 1 There is a huge need to have a miniaturized antenna that supports multiple advanced wireless protocols. For this need, several techniques have been reported in the literature to realize multifrequency planar monopole antennas employing CPW feed.…”

Section: Introductionmentioning

confidence: 99%

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Design, Fabrication and Measurement of a Novel Compact Triband CPW-Fed Planar Monopole Antenna Using Multi-type Slots for Wireless Communication Applications

Manouare

Ibnyaich

Seetharamdoo

et al. 2019

J CIRCUIT SYST COMP

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A novel compact coplanar waveguide (CPW)-fed planar monopole antenna with triple-band operation is presented for simultaneously satisfying the LTE 2600, WiMAX, WLAN and X-band applications. It is printed on a single-layered FR4 substrate. In this paper, the proposed antenna, which occupies a small volume of [Formula: see text][Formula: see text]mm3 including the ground plane, is simply composed of a CPW-fed monopole with U-, L- and T-shaped slots. By carefully selecting the lengths and positions of both L-shaped and U-shaped slots, a good dual notched band characteristic at center-rejected frequencies of 3.10[Formula: see text]GHz and 4.50[Formula: see text]GHz can be achieved, respectively. The T-shaped slot is etched on the radiating element to excite a resonant frequency in the 7[Formula: see text]GHz band. Then, to prove the validation of the typical design, a prototype model is fabricated and measured. The experimental result shows that the three frequency bands of 2.31–2.80[Formula: see text]GHz (490[Formula: see text]MHz), 3.37–3.84[Formula: see text]GHz (470[Formula: see text]MHz) and 5.04–7.94[Formula: see text]GHz (2900[Formula: see text]MHz) can successfully cover the desired bandwidths of LTE2600/WiMAX (3.50/5.50[Formula: see text]GHz)/WLAN (5.20/5.80[Formula: see text]GHz) and the X-band communication systems (7.1-GHz operation). The principal applications of the X-band are radar, aircraft, spacecraft and mobile or satellite communication system. Nearly omnidirectional and bidirectional radiation patterns of the triband antenna are observed in both H- and E-planes, respectively. In addition, a reasonable gain over the operating bands has been obtained. Indeed, the good agreements between simulation and measurement results have validated the proposed structure, confirming its potential for multiband wireless communication services.

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Section: Length Of the Three Slots (Variation Of L S1 L S2 And L 51 ...mentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%