fpr keeping the secret
DESCRIPTION
FPR Keeping The Secret . Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe Advisor: Dennis Goeckel. Brief Overview . Step 1 : Send test signal to desired radio. Step 2 : RX radio sends back reply signal. Friends measure this signal strength. - PowerPoint PPT PresentationTRANSCRIPT
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SDP 11 FPR Team Goeckel
Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe
Advisor:Dennis Goeckel
FPRKeeping The Secret
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2SDP 11 FPR Team Goeckel
Brief Overview Step 1: Send test signal to desired
radio.
Step 2: RX radio sends back reply signal. Friends measure this
signal strength.
Step 3: TX radio sends out
message. Friends not in range
transmit noise.
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3SDP 11 FPR Team Goeckel
System Requirements
Battery life of at least 12 hours Receive and transmit Operate while walking Operate up to 300 meters.
• Receive signal with 95% success rate. Voice Transmission Bandwidth Maintain secure communications
• Less than 10% interception rate Handheld and less than 2lbs.
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4SDP 11 FPR Team Goeckel
Software Requirements
RX Radio
RX Radio
RX Radio
TX Radio
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5SDP 11 FPR Team Goeckel
Radio DiagramTransceiver
Antenna
Microphone
Speaker
Transmitter
Receiver
Microcontroller
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6SDP 11 FPR Team Goeckel
Design Challenges Noise
• Appropriate Signal Threshold• Duration for transmission
Variable transmission strength Procuring reliable data Demonstrate functioning system
• Computer display of radio activity Consistent receiving and transmitting
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7SDP 11 FPR Team Goeckel
Schematic
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8SDP 11 FPR Team Goeckel
PCB
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9SDP 11 FPR Team Goeckel
TestingConclusion difference of .1 volt B1 RSSI B2 RSSI
2.0 2.08
2.04 1.75
1.87 1.74
1.78 1.74
1.83 1.8
1.74 1.75
1.8 1.6
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10SDP 11 FPR Team Goeckel
Simulation Data
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11SDP 11 FPR Team Goeckel
How Data Was Found
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12SDP 11 FPR Team Goeckel
How Data Was Found
Distance
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13SDP 11 FPR Team Goeckel
How Data Was Found
Angle
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14SDP 11 FPR Team Goeckel
How Data Was Found
If wall wallhit++
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15SDP 11 FPR Team Goeckel
How Data Was Found
If wall wallhit++
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16SDP 11 FPR Team Goeckel
How Data Was Found
Power here is getPathloss
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17SDP 11 FPR Team Goeckel
Radio Program Flow Chart
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18SDP 11 FPR Team Goeckel
GUI Demonstration
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19SDP 11 FPR Team Goeckel
Radio Demonstration
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20SDP 11 FPR Team Goeckel
System Requirements
Battery life of at least 12 hours Receive and transmit Operate while walking Operate up to 300 meters.
• Receive signal with 95% success rate. Voice Transmission Bandwidth Maintain secure communications
• Less than 10% interception rate Handheld and less than 2lbs.
![Page 21: FPR Keeping The Secret](https://reader036.vdocuments.mx/reader036/viewer/2022062222/568166ef550346895ddb4aec/html5/thumbnails/21.jpg)
21SDP 11 FPR Team Goeckel
Questions?