USER DEVICE, BASE STATION DEVICE, AND METHOD

摘要

A user device creates an uplink control channel including at least one of delivery confirmation information about downlink and channel state informat ion and transmits the uplink control channel by using a predetermined dedica ted band when a resource for transmitting an uplink data channel is not assi gned. In the uplink control channel, all of a plurality of unit blocks const ituting a sub-frame include a sequence obtained by multiplying the same fact or to all chips of an orthogonal code sequence for the user device.