ISAC-Sim

CSMA/CA MAC Access

Demonstrate CSMA/CA backoff mechanism for shared wireless channel, visualizing DIFS, random backoff, and collisions.

Experiment Steps

  1. DIFS Wait: Wait DIFS after channel idle
  2. Backoff: Random backoff countdown
  3. Transmision: Send data when backoff is 0
  4. Collision: Collision leads to backoff window doubling

Simulation Experiment

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Parameters(Real-time)
Num Nodes4
Traffic Load3
Timeline1
RTS/CTS0

Functions: models.channel.updateMacState, models.channel.enqueueMacPacket, models.channel.getChannelState