Dual-Mode PSK Transceiver on SDR With FPGA

Performance-enhanced GNURadio blocks (2nd/4th Order Costas Loops, AGC, Filters)

Simulation of Digital Communication in Python

General Digital Signal Processing routines in C++

New gnuradio block, where implemented costas loop with adaptive bandwidth control

PySDR-style end-to-end BPSK / QPSK / 256-QAM software modems in pure Python — full chain (Hamming FEC, RRC, Costas, BER curves, constellation videos). Built while working through pysdr.org.

SDR-based FM RDS decoding lab using RTL-SDR and Python DSP: FM demodulation, 57 kHz RDS extraction, BPSK recovery, RDS block validation, PI/PS decoding, and RadioText reconstruction.