TRANSMISSION OF FEEDBACK FOR MULTIPLE DOWNLINK CARRIERS

摘要

PROBLEM TO BE SOLVED: To provide a wireless transmission and reception unit (WTRU) and method transmitting the feedback for multiple serving cells.SOLUTION: A WTRU for transmitting uplink feedback information for multiple serving cells, including at least one active serving cell, via a high speed individual physical control channel (HS-DPCCH) determines that at least one secondary serving cell is deactivated, encodes the uplink feedback information for at least one active serving cell, and repeats the uplink feedback information encoded for at least one active serving cell in an HS-DPCCH sub-frame.