PDCP is an abbreviation for Packet Data Convergence Protocol. It is one of the layers of the Radio Traffic Stack in LTE, UMTS and performs IP header compression and decompression, transfer of user data and maintenance of sequence numbers for Radio Bearers which are configured for lossless serving radio network subsystem (SRNS) relocation.
The compression technique can be based on either RFC 2507 or RFC 3095. RFC 1144 can also be used for some background information, and although the techniques in the RFC are not used in modern TCP/IP implementations, it still shows what the compression/decompression technique looks like.
If PDCP is configured for No Compression it will send the IP Packets without compression; otherwise it will compress the packets according to its configuration by upper layer and attach a PDCP header and send the packet. It uses the service provided by a lower layer called Radio Link Control (RLC) that uses the Radio Link Protocol.
PDCP header consists of two fields: PID and PDU TYPE.
Sticks and stones can’t break my bones
But you can’t find my erogenous zone
Who’s been sleeping in my bed?
Didn’t have time to give me some head
Look at your eyes, it’s bloodshot red
I like it hard when it comes to bread
Who’s been toying your Barbie doll?
I can’t trace this his ten mile crawl
I want my bleached streaks
I’m gonna get my streaks bleached
I want my bleached streaks
I’m gonna get my streaks bleached
Are you certain that it’s true?
Is it purple is it blue?
You got a tick and its chewing your lipstick
I got mine addicted to Vicks
What’s with your cross dress patrol?
Come out of your closet you got no soul
Close all the lights and summon all ghosts
Can’t wait to be possessed and be its host
Leave me some you sexy glutton