Design of MicroStrip Patch Antenna using HFSS Software

1. Design of MicroStrip
Patch Antenna using HFSS Software
Presented by
K.Deepthi (16VE1A04J6)
M.Gayathri(16VE1A04K6)
Title of the Project 1
SREYAS INSTITUTE OF ENGINEERING & TECHNOLOGY
DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING
Under the Guidance of
Dr. V.A Shankar Ponnapalli (Associate Professor)

2. OBJECTIVE
• Our idea is to design a microstrip patch
antenna, for communication purpose ,in 5G
technology within the frequency range of 3-6
GHz.
2

3. Need for 5G
• Improve network coverage
• Serving more customers beyond 2020 is
difficult with 4G
• High speed connectivity
• Real time data transfer
• Improve power saving profile of Tx and Rx
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4. Design Considerations of MSA
• Width of antenna is given by,
• length of antenna is given by,
Where,
4

5. 5
parameter substrate ground patch
length 70mm 70mm 29.1mm
width 70mm 70mm 34mm

6. Bacic MSA Design
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7. MSA Results
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2.00 3.00 4.00 5.00 6.00
Freq [GHz]
-20.00
-15.00
-10.00
-5.00
0.00
dB(S(1,1))
HFSSDesign1
XY Plot 1 ANSOFT
Curve Info
dB(S(1,1))
Setup1 : Sw eep
2.00 3.00 4.00 5.00 6.00
Freq [GHz]
-14.00
-12.00
-10.00
-8.00
-6.00
-4.00
-2.00
0.00
dB(S(1,1))
HFSSDesign1
XY Plot 2 ANSOFT
Curve Info
dB(S(1,1))
Setup1 : Sw eep

8. 8
2.00 3.00 4.00 5.00 6.00
Freq [GHz]
-14.00
-12.00
-10.00
-8.00
-6.00
-4.00
-2.00
0.00
dB(S(1,1))
HFSSDesign1
XY Plot 5 ANSOFT
Curve Info
dB(S(1,1))
Setup1 : Sw eep

9. Literature survey
• Literature Work: Our project on Antennas
consists of 3 stages namely basic design,
Antenna with slits (at edges) on patch,
Antenna with slits on patch and also Defected
Ground. Cutting of slits on patch is called
Defected Ground.
• For these design dimensions that we used are
length=29.1mm and width=34mm and height
of patch or substrate thickness=1.7mm.
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10. • Basic Design: The results that obtained for
basic design are gain=3.61dB and radiation
obtained at 2 frequencies, 3.2GHz and
5.6GHz and bandwidth obtained at 2
frequencies are 150MHz and 50MHz.
• Antenna with Slits: The results that obtained
for antenna with slits design are gain=2.37dB
and radiation obtained at 2 frequencies,
3.5GHz and 5.4GHz and bandwidth obtained
at 2 frequencies are 120MHz and 80MHz.
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11. • Antenna with Slits and Defected Ground:
The results that obtained for antenna with
slits design and Defected Ground are
gain=1.93dB and radiation obtained at 2
frequencies, 3.5GHz and 5.3GHz and
bandwidth obtained at 2 frequencies are
150MHz and 90MHz.
• From these results, we can understand that
when compared to basic antenna which gave
dual band radiation with first band giving
more radiation compared to second band,
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12. • taking this as a limitation we designed an
antenna with slits at edges on patch, which
gave far good radiation in both bands, but
with deteriorated gain and reduced
bandwidth at first band and improved
bandwidth at second band. Taking this as
factor we added a defected ground for the
antenna with slits, here by we obtained an
excellent results with equal radiation in both
bands and improved bandwidth, decrease in
gain.
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13. Applications of MSA
• Microstrip Patch Antennas have major usage
in
• Military
• Space and
• Commercial Usage.
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14. Advantages of Microstrip Patch
Antenna
• Small size
• Light weight
• Easily molded to any desired shape and so
can be attached to any surface
• MSA can be designed to produce variety of
patterns.
• Easy to form large arrays
• To increase bandwidth of MSA, thickness of
substrate can be increased.
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15. DisAdvantages of Microstrip Patch
Antenna
• Microstrip Patch Antenna is Narrow Band
Antenna.
• It has lower gain
• Standing waves can be formed in between
ground plane and patch
• Relatively low efficiency
• Lower Bandwidth
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16. Conclusion
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Antenna
Type
Measure
ments
Material Frequenc
ies of
radiation
Gain Bandwidt
h
Basic
antenna
Length=
29.1mm
Width=
34mm
Height=
1.7
Rogers/
RT Duroid
5880
3.2GHZ
and
5.6GHZ
3.61
db
150MHZ
50MHZ
Antenna
with slits
in patch
Length=
21.1mm
Width=
20mm
Height=
1.7
Rogers/
RT Duroid
5880
3.5GHZ
and
5.4GHZ
2.37
db
120MHZ
80MHZ
Antenna
with slits
in patch
and
defected
ground
Length=
65mm
Width=
65mm
Rogers/
RT Duroid
5880
3.5GHZ
and
5.3GHZ
1.93
db
150MHZ
90MHZ

17. THANK YOU
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