PDCP (LTE) - Packet Data Convergence Protocol

PDCP fundamentally provides a compression service to higher layer data, which may be control plane or user plane (IP) traffic. When the LTE variant of PDCP compresses data, a separate standard termed ROHC (Robust Header Compression) is utilized (UMTS PDCP can use ROHC and an earlier standard termed IP Header Compression). Moreover, the LTE variant of PDCP is also responsible for implementing ciphering and integrity checking.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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