What is HS-DPCCH and High-Speed Dedicated Physical Control Channel work in WCDMA

What is HS-DPCCH and High-Speed Dedicated Physical Control Channel work in WCDMA HS-DPCCH uses SF=256, there are a total of 30 channel bits per 2 ms sub frame.

Carrying information to acknowledge downlink transport blocks and feedback information to the system for scheduling and link adaptation of transport block CQI and ACK/NACK Physical Channel, Uplink, SF=256

A High-Speed Dedicated Physical Control Channel, or HS-DPCCH, is the third uplink channel for WCDMA. It makes it possible for changing power relations between to the dedicated uplink channels to be obtained.

HS-DPCCH and High-Speed Dedicated Physical Control Channel work in WCDMA

The uplink HS-DPCCH consists of:

  • Acknowledgements for HARQ
  • Channel Quality Indicator (CQI)

As the HS-DPCCH uses SF=256, there are a total of 30 channel bits per 2 ms sub frame (3 time slot). The HS-DPCCH information is divided in such a way that the HARQ acknowledgement is transmitted in the first slot of the sub frame while the channel quality indication is transmitted in the rest slot. i try to say in simple word What is HS-DPCCH and High-Speed Dedicated Physical Control Channel work in WCDMA.

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