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View Full Version : EcNo to CQI mapping



danikd
2010-10-14, 09:03 PM
Can somebody provide a mapping from EcNo/EbNo (R99) to CQI (HSDPA)?
Similar to RxQual to C/I mapping in GSM.
In vendors documentation it is not written clear enough.

wolverine
2010-10-14, 10:40 PM
Hi, the CQI derivation is proprietary in the UE and is not standardised in the specs. Hence such a table does not exist..

You can look this up in 3GPP 25.214 section 6A .2 Channel quality indicator (CQI) definition