HIGH GAIN DIELECTRIC RESONANCE ANTENNA ARRAY FOR MILLIMETER WAVE VEHICULAR WIRELESS COMMUNICATION

Antennas play a vital role in wireless communication; a thirst of excellence in this area is unending. Proposed work describes a concept of fractal multiband antenna designed in the hexagon shape. Basically fractal is the concept used in Microstrip antenna for giving better results than conventional Microstrip antenna. By using hexagonal fractal antenna we can possibly achieve the radiation pattern with high gain. The coaxial feeding is used and multiple hexagons are interconnected in array for maintaining conductivity and to preserve electrical self similarity. Hexagonal antenna is used for different wireless applications. The proposed antenna frequency band covers a large number of wireless communication applications including GPS (1.6GHz), Bluetooth (2.4 GHz) & WLAN (3.6GHz). Antenna design has been designed and simulated by using the software Ansoft’s HFSS and parameters like bandwidth return loss, directivity, VSWR are analyzed. Fabrication of the antenna is done by using wet-etching method, on FR-4 dielectric substrate material. Experimental results are taken on Vector Network Analyzer (VNA) and those obtained results were compared with simulated results. The hexagonal fractal antenna array is found to possess predictable multiband characteristics.

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A Compact, High-Radiation Efficient, and High-Gain Micro-Strip Patch Antenna Array for Millimeter Wave Applications

Advances in Intelligent Systems and Computing - Intelligent Communication, Control and Devices ◽

10.1007/978-981-10-5903-2_91 ◽

2018 ◽

pp. 873-878

Author(s):

Beenish Kachroo ◽

Malay Ranjan Tripathy

Keyword(s):

Antenna Array ◽

Millimeter Wave ◽

Patch Antenna ◽

High Gain ◽

High Radiation

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Miniature Dual-Band Substrate Integrated Waveguide Slotted Antenna Array for Millimeter-Wave 5G Applications

International Journal of Antennas and Propagation ◽

10.1155/2020/6478272 ◽

2020 ◽

Vol 2020 ◽

pp. 1-10

Author(s):

Fei-Peng Lai ◽

Lu-Wu Chang ◽

Yen-Sheng Chen

Keyword(s):

Antenna Array ◽

Millimeter Wave ◽

Communication Systems ◽

Single Layer ◽

High Gain ◽

Dual Band ◽

Substrate Integrated Waveguide ◽

Suitable Candidate ◽

Fifth Generation ◽

Half Power

A compact substrate integrated waveguide (SIW) antenna array that operates at 28 GHz and 38 GHz is proposed for fifth generation (5G) applications. The proposed array consists of four SIW cavities fabricated on one single layer of substrate. Each cavity implements a rhombic slot and a triangular-split-ring slot, resonating on TE101 and TE102 modes at 28 GHz and 38 GHz, respectively. In comparison with dual-band SIW antennas in the literature, the proposed configuration depicts a miniature footprint (28.7 × 30.8 mm2) without stacking substrates. To excite the four cavities with equal power, a broadband power divider that supports the propagation of TE10 mode is designed. Accordingly, the impedance bandwidths are 26.6–28.3 GHz and 36.8–38.9 GHz. The measured realized peak gain over the lower and higher bands is 9.3–10.9 dBi and 8.7–12.1 dBi, respectively. The measured half-power beam widths (HPBWs) at 28 GHz and 38 GHz are 20.7° and 15.0°, respectively. Considering these characteristics, including dual bands, high gain, narrow beam widths, miniaturization, and single layer, the proposed antenna array is a suitable candidate for millimeter-wave 5G communication systems with the flexibility in switching operating frequency bands against channel quality variations.

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