In PDCP layer, there is functionality of timer based discard. Can anyone please elaborate on this functionality of PDCP layer.
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.
One more related question : Does the same COUNT value used for both integrity protection and ciphering of SDU ?