*Here when the CPU come out of sleep it takes 4.2ms
for
CPU comes out
IDLE mode and the radio becomes ON
*The lenght of the whole cycle is 120.4 which part of
it is 4.2 second.(If usefull
we can see realy when the radio gets on)
*there are two packets being send.
*Sync packet is the smaller packet which took 13.4ms
*Data Packet which is longer (payload=8) and took 19.4ms
*In this calculation the effect of transmission has
not
been considered but since we are using radio at 0dbm output power the
difference between transmssion
power consumption and reception power consumption of the radio is not
huge(from the
first figure) and it only short period of time so it is well neglible.