USER DEVICE, BASE STATION DEVICE, AND METHOD.

摘要

A user device creates an uplink control channel including at least one of downlink transmission acknowledgment information and channel state information. When no resource is allocated for uplink data channel transmission, the uplink control channel is transmitted by a predetermined dedicated band. The uplink control channel includes a plurality of unit block sequences obtained by multiplying all the chips of the Casaque code sequence for the user device by the same factor.