PDCP PDU (Packet Data Convergence Protocol Protocol Data Unit) PDCP PDU (Packet Data Convergence Protocol Protocol Data Unit) is
PDCP SDU (Packet Data Convergence Protocol Service Data Unit) In the context of cellular communication networks like LTE (Long-
RLC UM (Radio Link Control - Unacknowledged Mode) RLC UM (Radio Link Control - Unacknowledged Mode) is one of
RLC AM (Radio Link Control - Acknowledged Mode) RLC AM (Radio Link Control - Acknowledged Mode) is one of
SP-CSI-RS (Sidelink Physical CSI Reference Signal) Sidelink Physical CSI Reference Signal (SP-CSI-RS) is a
ALP (Access and Mobility Management Function - Location Protocol) The Access and Mobility Management Function - Location Protocol (ALP-LP)