What is HS‐DPCCH (High Speed Dedicated Physical Control Channel)?

The HS-DPCCH conveys uplink feedback signalling identified with downlink HS-DSCH transmission. This feedback signalling comprises Hybrid-ARQ Acknowledgement and Channel Quality Indication. HSDPA empowers higher speed information transfer. HS-DPCCH is an HSDPA channel utilized to give feedback to the scheduler and it is situated in the uplink. It conveys Channel Quality data that is utilized to give instantaneous channel data to the schedule.