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sMcpsReqConfirmed Struct Reference
[LoRa MAC layer implementation]
#include <LoRaMac.h>
Data Fields | |
| uint8_t | fPort |
| void * | fBuffer |
| uint16_t | fBufferSize |
| int8_t | Datarate |
| uint8_t | NbTrials |
Detailed Description
LoRaMAC MCPS-Request for a confirmed frame
Definition at line 725 of file LoRaMac.h.
Field Documentation
| uint16_t fBufferSize |
| uint8_t fPort |
| uint8_t NbTrials |
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 V1.0.1, chapter 19.4, according to 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 NbTrials is set to 1 or 2, the MAC will not decrease the datarate, in case the LoRaMAC layer did not receive an acknowledgment
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