Uplink Control Information (UCI) contains:
Channel Quality Information (Channel Quality Indicator - CQI and/or Precoding Matrix Indicator - PMI)
– For HSPA, this is sent on HS-DPCCH.
HARQ-ACK (Acknowledgements)
– For HSPA, this is sent on HS-DPCCH.
Rank Indication
– For HSPA+, rank information is sent in extended CQI range on HS-DPCCH.
Scheduling Request, Buffer Status Report and Power Headroom Report
– For HSPA, scheduling information (SI) is sent in-band on E-DPDCH.
Transport Format and Uplink HARQ Information
– For HSPA, the transport format and Uplink HARQ information is sent on E-DPCCH.
C-RNTI MAC Control Element
– There is no equivalent information needed in HSPA due to the use of dedicated transport and physical
channels.
UCI may be mapped onto PUSCH or PUCCH.
PUSCH can carry user data and Uplink Control Information (UCI).
PUCCH carries only the Uplink Control Information (UCI), and is used only when UE is not transmitting
PUSCH.