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mcps_req_confirmed_t Struct Reference
#include <lorawan_data_structures.h>
Data Fields | |
| uint8_t | fport |
| int8_t | data_rate |
| uint8_t | nb_trials |
Detailed Description
LoRaMAC MCPS-Request for a confirmed frame.
Definition at line 786 of file lorawan_data_structures.h.
Field Documentation
| int8_t data_rate |
Uplink datarate, if ADR is off.
Definition at line 798 of file lorawan_data_structures.h.
| uint8_t fport |
Frame port field. Must be set if the payload is not empty. Use the application-specific frame port values: [1...223].
LoRaWAN Specification V1.0.2, chapter 4.3.2.
Definition at line 793 of file lorawan_data_structures.h.
| uint8_t nb_trials |
The number of trials to transmit the frame, if the LoRaMAC layer did not receive an acknowledgment. The MAC performs a datarate adaptation according to the LoRaWAN Specification V1.0.2, chapter 18.4, as in the following table:
Transmission nb | Data Rate ----------------|----------- 1 (first) | DR 2 | DR 3 | max(DR-1,0) 4 | max(DR-1,0) 5 | max(DR-2,0) 6 | max(DR-2,0) 7 | max(DR-3,0) 8 | max(DR-3,0)
Note that if nb_trials is set to 1 or 2, the MAC will not decrease the datarate, if the LoRaMAC layer did not receive an acknowledgment.
Definition at line 819 of file lorawan_data_structures.h.
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