sequenceDiagram participant D as IoT Device πŸ„ participant B as Base Station πŸ“‘ Note left of D:Has data to send D->>B: Send uplink packet (Rx) on frequency F1 Note right of B: Processing data… B->>D: Send downlink Ack. on F1 rect rgb(18, 155, 0) Note left of D: Success Rx/Tx πŸ˜ƒ ! end sequenceDiagram participant D as IoT Device πŸ„ participant B as Base Station πŸ“‘ Note left of D:Has data to send D-->>B: Collision on uplink packet (Rx) Note right of B: No received data! rect rgb(255, 100, 50) Note left of D: Failed Rx 😭 ! end