13th June 2012 at 04:03
#68321
pix
Guest
P1 is used for 1st transmissions, always.
P2 and P3 are only used when necessary, during retransmissions based on I.R. and when there is no resegmentation.
If you need to know those details, then I recommend you read the 3GPP directly ! I’m not sure why you need to know that, though…