Affine Frequency Division Multiplexing (AFDM)

A comprehensive introduction to the next-generation waveform for high-mobility and doubly-dispersive channels, featuring full diversity extraction and superior performance over OFDM in challenging wireless environments.

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AFDM Systems

AFDM (Affine Frequency Division Multiplexing)

OFDM vs AFDM Comparison

Orthogonality Foundations, NR PUSCH Implementation & LSTM Channel Estimation

OFDM vs ADFM vs LSTM

A Comprehensive Comparison of Waveform Technologies for 5G NR PUSCH and Beyond

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AFDM Systems BER Curve

OFDM vs AFDM vs LSTM

BER Comparison

Comprehensive analysis of waveform technologies for 5G NR PUSCH with BER curves, mathematical foundations, and intuition.

OFDM vs ADFM vs LSTM

A Comprehensive Comparison of Waveform Technologies for 5G NR PUSCH and Beyond

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OTFS Systems

OTFS (Orthogonal Time Frequency Space modulation)

OTFS Modulation

OTFS: The Delay-Doppler Revolution

OFDM vs ADFM vs LSTM

A Comprehensive Comparison of Waveform Technologies for 5G NR PUSCH and Beyond

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OFDM vs AFDM vs OTFS

Coded BER Comparison under UAV Air-to-Ground Rician Channel
3GPP TR 36.777 Inspired · K-factor = 12 dB · 5-tap A2G Profile · αmax=4 (480 km/h equivalent)

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Paper Discussion

MIMO-AFDM SPA Channel Estimation

(Yin & Tang, 2022) and 2×2 MIMO comparison of NR-PUSCH-OFDM, AFDM, and LSTM.

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