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DSSS - Link computation

Question asked by Guruditya on Mar 18, 2017
Latest reply on Apr 2, 2017 by SteveH

Hi,

 

This query came up while doing the link calculations for the DSSS-OQPSK mode (IEEE 802.15.4-2006). ( hardware: ADF7242).

 

It says in the data sheet of adf7242 that the receiver sensitivity is -95dBm for the DSSS-OQPSK mode. Should I add the processing gain when computing the final Link margins or is this inclusive of the processing gain (in the SNR itself).

 

Especially important for me as the RF signal strength at the receiver is expected to go down to -95dBm.

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