3 Short-Range Comms & IoT Mode
3.3 LoRa (CSS) Demodulation Measurement
3.3.2.10 Decode Bits
This window displays both the state of the decoder and the decode bits of the
analyzed payload symbols (including CRC, if the payload CRC exists). Ideally, the
number of bytes displayed on this window equals the value set in Data Length (Byte)
(Meas Setup -> Decode) plus 2 if the CRC exists.
The payload data is displayed in white. The CRC is displayed in purple.
If the measure interval isn’t set long enough, it’s possible that not all the data could
be successfully decoded. In such a case, those bits decoded unsuccessfully is
represented by “X”.
3.3.2.11 Decode Info
This window displays the following decode result obtained from header. If Decode
Enable is Off or Implicit Header is On, nothing is displayed on this window.
Payload CRC State: Pass/ Fail/ Unknown
Header CRC State: Pass/ Fail/ Unknown
Code Rate:
If the value decoded is within the range from 0 to 6, the corresponding type is
displayed.
0: 4/5 | 1: 4/6 | 2: 4/7 | 3: 4/8 | 4: 4/5 LI |5: 4/6 LI |6: 4/7 LI
If the value decoded is beyond the range, the actual value is displayed.
Decoded Payload CRC Enable: On/Off
Decoded Payload Data Length (in Byte).
324 Short Range Comms & IoT Mode User's &Programmer's Reference
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