循环前缀 Resources

Showing items tagged with "循环前缀"

This code implements OFDM channel estimation algorithms with zero-padding and cyclic prefix insertion, demonstrating their practical application. The implementation includes QPSK modulation scheme and channel equalization. The modular code structure allows customization for specific user requirements. Feedback and suggestions for improvement are welcome.

MATLAB 212 views Tagged

OFDM downlink simulation implementing: 1. Generate random transmission data; 2. Digital modulation (BPSK/QPSK/QAM); 3. Serial-to-parallel conversion; 4. IFFT operation using conjugate symmetric vectors for real-valued output simplification; 5. Add cyclic prefix for ISI mitigation; 6. Parallel-to-serial conversion; 7. Transmit filtering (raised cosine/pulse shaping); 8. Add channel noise (AWGN); 9. Receiver serial-to-parallel conversion; 10. Remove cyclic prefix; 11. Perform FFT transformation; 12. Signal demodulation; 13. Bit error rate (BER) calculation.

MATLAB 241 views Tagged

A simple implementation for cyclic prefix OFDM synchronization, with clear algorithm principles that are easily understandable for those familiar with OFDM synchronization techniques. Includes practical code considerations for signal processing implementation.

MATLAB 218 views Tagged