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Reply To: Gn Payload vs RLC Payload



well, could you please share the numerical values ?

you know that the PCU (equipment between the SGSN and the BSC) is segmenting the frames from the SGSN into RLC blocks.

The frames from the SGSN looks like :
Gn header + Gb header + user payload

n “RLC blocks” = n*[(Gn header + Gb header + user payload)/n]

Gn header = GTP header
Gb header = LLC hedaer
user payload = the whole IP datagram, including the IP header.

Well, just have a look to the protocol stacks of the GPRS, you’ll see all the headers 🙂