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ECE 529 Symbol Synchronization

This repository contains the Python code my transceiver chain which compares symbol synchronization algorithms. I wrote it for the digital signal processing class ECE 529 at the University of Arizona. It compares the performance of various symbol timing synchronization algorithms for Differential Bipolar Phase Shift Keying (DBPSK). Symbol timing synchronization involves determining the instants in a signal received by a receiver at which symbols from the transmitter begin. The performance metric is the bit-error rate for different loop gains and noise levels. The algorithms I selected are Early-Late Gate, Mueller and Muller (MM), and Gardner. The result of this project is a set of graphs for performance comparison and guidance in algorithm selection based on different requirements.

Documentation

The project is documented in the included 26-page provided report

Transceiver Chain

Modulated Signal

Signal with Channel White Gaussian Noise and Fractional Delay

Filtered Signal

Symbol Synchronizer Model

Signal with Synchronized Symbol Markings