Low Profile Aperture Coupled Microstrip Antenna for Inter ... · Sun Sun-Synchronous Orbit Low...
Transcript of Low Profile Aperture Coupled Microstrip Antenna for Inter ... · Sun Sun-Synchronous Orbit Low...
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2015
u Low Profile Aperture Coupled Microstrip Antenna for Inter CubeSat
Communications
Faisel Tubbal Dr. Raad Raad
A/Prof. Kwan-Wu Chin Mohamed Madni
School of Electrical, Computer and Telecommunications Engineering University of Wollongong, Northfields Ave, NSW, Australia, 2522
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u Background u Cube satellite antenna design challenges u The proposed configuration of antennas for
inter CubeSat communications u The design of an individual proposed
Aperture coupling microstrip antenna u Results
Outline
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Sun synchronies (Low Earth Orbit) Satellites Large Satellite Weight = > 80 Kg Power = 1000 W
Pico Satellite (Cube Sate) Weight = 1 Kg Power = 2 W
Earth
Satellite B
Satellite A
Earth Station
Background
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Satellites
Background
Earth Satellite Ground
• True Anomaly Synchronous with Ground • Useful for Communications • Altitude = 35,786 km
Satellite
Earth Sun
Sun-Synchronous Orbit Low Earth Orbit (800-1000 km)
Geosynchronous Orbit (GEO)
• RAAN Synchronous with Sun • Useful for remote sensing • To Simplify Satellite Design
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Cube Satellite Antenna Design Challenges
1- Weight and size 2- Power consumption 3- Antenna Gain 4. Deployment mechanism
Large satellite Horn Antenna
Small satellite (Cube satellite) Planar antenna (patch)
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The proposed configuration of six planar antennas
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The individual ACM antenna design
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Results
Simulated results of (a) the total gain, and (b) total directivity of the individual ACM
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Using HFSS for simulating the antenna on 2U cubesat
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The Quasi Newton method works on the basis of finding the minimum or maximum of a cost function by varying the variables to meet the constraints.
S11 of ACM antenna design
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11
Thank you
for your attention
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