ALEX DOLANMOHAMMAD KHAN

AHMET UNSAL

Software Defined Radio Testbed

General Information

Senior Design Project May 11-18Project Adviser: Dr. Aditya RamamoorthyGraduate Assistant: Shizheng LiTeam Members:

Alex Dolan Mohammad Khan Ahmet Unsal

Project Website http://seniord.ece.iastate.edu/sdmay1118

Project Description

Design a digital communication system using Simulink and USRP-2 Should work for different modulation schemes

Implement simplified 802.11 MAC

Test MATLAB Simulink’s versatility as a SDR platform

Project Plan

Implement Physical Layer

Implement MAC Layer

Integrate the layers to form the network

Test the overall system

Project Design

Physical LayerImplement point to point communication

Achieve reasonable bit error rates & transmission rates BER = 10^-4

Transmission rate= 50 kbps

Implement digital modulation schemes FSK DBPSK

Project Design

MAC Layer

Implement MAC (Multiple Access Control) Layer for network communication

Implement simplified 802.11 MAC

Current Status

Currently working on FSK (Frequency Shift Keying) Model DBPSK (Differential Binary Phase Shift Keying) Model

Current Status

MATLAB models work nicely (No frame errors)

Noise reduction schemes on over the air models need more work

Current Status

Also working onError 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

Schedule

Questions?