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Software Defined Radio Testbed

Software Defined Radio Testbed. Alex Dolan Mohammad Khan Ahmet Unsal. General Information. Senior Design Project May 11-18 Project Adviser: Dr. Aditya Ramamoorthy Graduate Assistant: Shizheng Li Team Members: Alex Dolan Mohammad Khan Ahmet Unsal Project Website

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Software Defined Radio Testbed

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  1. Software Defined Radio Testbed Alex DolanMohammad Khan AhmetUnsal

  2. General Information Senior Design Project May 11-18 • Project Adviser: Dr. AdityaRamamoorthy • Graduate Assistant: Shizheng Li • Team Members: • Alex Dolan • Mohammad Khan • AhmetUnsal • Project Website http://seniord.ece.iastate.edu/sdmay1118

  3. Project Description • Design a digital communication system using Simulink and USRP-2 • Should work for different modulation schemes • Implement simplified 802.11MAC • Test MATLAB Simulink’s versatility as a SDR platform

  4. Project Plan Implement Physical Layer Implement MAC Layer Integrate the layers to form the network Test the overall system

  5. Project Design Physical Layer • Implement point to point communication • Achieve reasonable bit error rates & transmission rates • BER = 10^-4 • Transmission rate= 50 kbps • Implement digital modulation schemes • FSK • DBPSK

  6. Project Design MAC Layer Implement MAC (Multiple Access Control) Layer for network communication Implement simplified 802.11 MAC

  7. Current Status Currently working on • FSK (Frequency Shift Keying) Model • DBPSK (Differential Binary Phase Shift Keying) Model

  8. Current Status • MATLAB models work nicely (No frame errors) • Noise reduction schemes on over the air models need more work

  9. Current Status Also working on • Error rate improvement tactics • Transmitting the same bit multiple times and decoding on the receiver side • Image file transmission • Turning a binary image into frames and transmitting an image

  10. Schedule

  11. Questions?

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