fpr keeping the secret

21
SDP 11 FPR Team Goeckel Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe Advisor: Dennis Goeckel FPR Keeping The Secret

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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 Presentation

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Page 1: FPR Keeping The Secret

SDP 11 FPR Team Goeckel

Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe

Advisor:Dennis Goeckel

FPRKeeping The Secret

Page 2: FPR Keeping The Secret

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.

Page 3: FPR Keeping The Secret

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.

Page 4: FPR Keeping The Secret

4SDP 11 FPR Team Goeckel

Software Requirements

RX Radio

RX Radio

RX Radio

TX Radio

Page 5: FPR Keeping The Secret

5SDP 11 FPR Team Goeckel

Radio DiagramTransceiver

Antenna

Microphone

Speaker

Transmitter

Receiver

Microcontroller

Page 6: FPR Keeping The Secret

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

Page 7: FPR Keeping The Secret

7SDP 11 FPR Team Goeckel

Schematic

Page 8: FPR Keeping The Secret

8SDP 11 FPR Team Goeckel

PCB

Page 9: FPR Keeping The Secret

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

Page 10: FPR Keeping The Secret

10SDP 11 FPR Team Goeckel

Simulation Data

Page 11: FPR Keeping The Secret

11SDP 11 FPR Team Goeckel

How Data Was Found

Page 12: FPR Keeping The Secret

12SDP 11 FPR Team Goeckel

How Data Was Found

Distance

Page 13: FPR Keeping The Secret

13SDP 11 FPR Team Goeckel

How Data Was Found

Angle

Page 14: FPR Keeping The Secret

14SDP 11 FPR Team Goeckel

How Data Was Found

If wall wallhit++

Page 15: FPR Keeping The Secret

15SDP 11 FPR Team Goeckel

How Data Was Found

If wall wallhit++

Page 16: FPR Keeping The Secret

16SDP 11 FPR Team Goeckel

How Data Was Found

Power here is getPathloss

Page 17: FPR Keeping The Secret

17SDP 11 FPR Team Goeckel

Radio Program Flow Chart

Page 18: FPR Keeping The Secret

18SDP 11 FPR Team Goeckel

GUI Demonstration

Page 19: FPR Keeping The Secret

19SDP 11 FPR Team Goeckel

Radio Demonstration

Page 20: FPR Keeping The Secret

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

21SDP 11 FPR Team Goeckel

Questions?