Abstract
A design of a traveling wave chain antenna array operating at 60 GHz frequency band is presented in this paper. The antenna consists of several parallel microstrip chains printed on an LTCC substrate. The array feed network is constructed using substrate integrated waveguide (SIW) technology to minimise the transmission line losses. The presented design is scalable in frequency and in size, and a high antenna gain can be achieved with a large array. A test structure of size 27 mm × 22 mm × 1.1 mm is realised on Ferro A6-M LTCC. The antenna including the WR-15 to SIW transition has the measured maximum gain of 22 dBi at 62 GHz. The simulated maximum radiation efficiency of the antenna alone is 74%.
Highlights
During the past couple of decades, interest of using millimetre waves has turned away from the military sector towards commercial applications, such as millimetre-wave communications and automotive radar sensors [1]
Publication VIII: “High gain 60 GHz low temperature co-fired ceramic (LTCC) chain antenna array with substrate integrated waveguide feed network” This paper presents a design of a 60 GHz traveling wave chain antenna array on LTCC
The developed antennas are targeted for the fifth generation (5G) wireless communications applications
Summary
One-dimensional Two-dimensional Fifth Generation Aperture-coupled Aperture-coupled microstrip line-fed patch antenna Antenna-in-package Aspect ratio Gold platinum Applied Wave Research® Benzocyclobutene Ball grid array Bipolar-CMOS Complementary metal oxide semiconductor Computer Simulation Technology® Direct current Frequency band 60–90 GHz Equivalent isotropic radiated power Electromagnetic Flame-retardant laminate material Gallium arsenide Gigabit, 109 bits Gigabyte, 109 bytes Grounded coplanar waveguide 109 Hz Ground-signal-ground Global System for Mobile Communications. Heterojunction bipolar transistor High-definition High density interconnect High-Frequency Structure Simulator® Half-power beamwidth Intermediate frequency Integrated passive devices Liquid crystal polymer Low-noise amplifier Local oscillator Low temperature co-fired ceramic Monolithic microwave integrated circuit Nickel-gold Power amplifier Printed circuit board Polydimethylsiloxane Partially reflective surface Polytetrafluoroethylene (Teflon) Quadrature amplitude modulation Radio frequency Receiver Silicon Silicon-germanium Substrate integrated waveguide Single-pole four-throw 1012 Hz Thru-reflect-line Transceiver Transmitter Uniplanar compact electromagnetic bandgap Frequency band 50–75 GHz Frequency band 75–110 GHz Wireless Gigabit Wireless Personal Area Network Rectangular waveguide for W-band Rectangular waveguide for V-band. Scattering parameters Distance between transmitting and receiving antennas Dielectric loss tangent Unit vector in r direction Phase Phase shift Relative permittivity Efficiency Elevation angle in spherical coordinates -3-dB beam width Wavelength Free-space wavelength Electrical conductivity Effective conductivity for gold paste Azimuth angle in spherical coordinates Ohm [m]
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