How different cores in LTE stack designed?

Question

Which tasks should be perform in each core and how its useful ?

Answer 1

Hi,

I will share my idea on ENB stack .
PDCP Compression and security related things should happen in other cores because this will take more time. RLC and MAC can be in same core, MAC scheduler should be in different core if it is handling more UE > 100. RRM and RRC can be in one core. GTP should be in one core if it is handling 150 Mbps throughput .

Comments

Hi,

How synchronization between these cores can be acheived ?

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No need of sync between these  cores, because all these jobs are independent, once one job finished then it can post the finished job to other core using any IPC.
Only place where we need sync is MAC and MAC scheduler, But that is implementation specific how MAC nd MAC scheduler runs parallel.
Common implementation is MAC scheduler will run infinitely and once it scheduled some data for current TTI then it can post the data to some common place. Mac core will listen that common place if any data comes then it can give to FAPI .