High Mobility OTFS vs OFDM

Compare OTFS and OFDM performance in high Doppler scenarios, showing OTFS advantages in 6G/V2X.

Experiment Steps

1. Static Scenario: Similar performance at 0 speed
2. High Speed: OFDM degrades above 200km/h
3. BER Curve: OTFS maintains low BER at high speed
4. Principle: OTFS operates in Delay-Doppler domain

Simulation Experiment

Functions: models.phy.otfsModulate, models.phy.otfsDemodulate, models.phy.isfft2d, models.phy.sfft2d, models.channel.generateDDChannel