On Fri, 2006-02-10 at 10:47 +0000, Terence Joseph wrote: > Hi, > > I was just wondering what happens when the CC2420 receives a signal, > demodulates it to obtain a 32 bit chipsequence and then realises that the > chipsequence it received is not one of the 16 chipsequences (due to bit > errors) in table 3 of the CC2420 data sheet (i.e. not one of the > "orthogonal" chip sequences used for spreading at the transmitter)? How > does it choose the correct 4 bit symbol and does it make note of the fact > that there is an error at this stage?
The datasheet doesn't say how it decides. I'd assume it chooses the closest sequence, where "closest" is symbol or bit-matching. The LQI value is the closest thing that you get to an indicator of the chip error rate. Phil _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
