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Doubt about Scrambling codes in UMTS system


Hello all!!

I have a doubt about the Scrambling codes in UMTS system. I have read some documentation but until now for me is not clear if the scrambling codes in the S-SCH are the same codes of Secundary Scrambling Codes used in the DL and UL.

Please could you help me to clarify this doubt?

Thansk a lot.


Hi Bro,

The S-SCH indicates which of the 64 scrambling code groups the cell’s downlink scrambling code belongs to.

Please refer to:


Thank you so much Peanut for your clarifications about it :wave::+1: