Hi, > On 9. Nov 2017, at 17:25, Sumit Kumar <[email protected]> wrote: > > Hi, > > The 802.15.4 spec says that the channels should be 2 MHz wide with 5 MHz > inter channel spacing. > > Why does gr-ieee 802.15.4 uses a sampling rate of 4MHz instead of 2 MHz ? > > Off course it works with commercial devices, but I am curious why 4 MHz and > not 2 MHz.
With 4Mhz, the receiver samples the signal at a rate of 2 samples per chip. You could also use less or more, it’s a trade-off between computational complexity and performance. Best, Bastian _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
