High Gain and High Efficient Stacked Antenna Array with Integrated Horn for 60 GHz Communication Systems

Table 1

Parameters of proposed antenna in mm.

Design	Antenna element	Dimensions/parameters
Layer I	Microstrip feed	Feed width, 𝑊𝑓=0.386
		Thickness, 𝑡=0.0175
		Stub length, 𝐿𝑓𝑠=0.45
	Substrate	RT Duroid 5880
		Length, 𝐿=30
		Width, 𝑊=30
		𝜖𝑟=2.2
		tan𝛿=0.003
		Thickness, 𝑡1=0.127
	Ground	Thickness, 𝑡=0.0175
		Length 𝐿=30
		Width 𝑊=30
		Thickness, 𝑡=0.0175
	Rectangular slot	Slot length, 𝐿𝑠=1
		Slot width, 𝑊𝑠=0.2
Layer II	Substrate	RT Duroid 5880
		Thickness, 𝑡2=0.381
		𝜖𝑟=2.2
		tan𝛿=0.003
		Length, 𝐿=30
		Width, 𝑊=30
	Patch	Length, 𝐿𝑝=1.2
		Width, 𝑊𝑝=1.2
Layer III	Substrate	FR 4
		Thickness, 𝑡3=1.6
		𝜖𝑟=4.3
		tan𝛿=0.025
	Cut in FR-4	Length, 𝐿𝑓𝑟=3
		Width, 𝑊𝑓𝑟=4.25
Horn	Horn dimensions	Horn length, 𝐿ℎ=7.14
		Horn width, 𝑊ℎ=7.14
		Waveguide length, 𝐿𝑔=3
		Waveguide width, 𝑊𝑔=4.25
		Thickness of metal horn, 𝑡=2
Full structure	Total height	4