All other state variables at PDCP layer initialized with zero except this "Last_Submitted_PDCP_RX_SN" variable. What is the reason to initialize this state variable with value 4096.
I found 1st bit which is used to indicate that packet carrying Data/Control information. My question is that why first bit is used even packet itself known as "PDCP Data PDU".
One more related question : Does the same COUNT value used for both integrity protection and ciphering of SDU ?
SN is used for sequence delivery then why do we need two SN in PDCP and RLC?
As per 3gpp 36.322 Release 12.0 RLC specification, Extended RLC LI field = 15 bit is newly included in AM mode. Can anyone please explain, exactly in what condition this 15-bit LI value will be used.
