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I have a doubt on Encryption notes given in 802.16e draft-8 document, related to 8-bit rollover counter functionality.
Copied from standard page Number- 234
NOTE—When we start to deal with a new PDU we have a new frame number and therefore reinitialize the counter.
When the frame number reaches 0x000000 (from 0xFFFFFF), we increment ROC.
From the above Notes:
1- Whenever there is a new PDU, how it's possible to have a new frame number?
2- If we re-initialize the counter for every PDU, when this counter will be incremented?
3- When to increment the ROC.
Looking forward for suggestions on this,