FIELD: mobile communications.
SUBSTANCE: invention relates to mobile communications. Method includes communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. Method may include receiving one or more downlink transmissions via the second component carrier. Method may include selecting a hybrid automatic repeat request (HARQ) timing sequence based on the TDD configurations of the first and second component carriers. Method may include transmitting one or more positive acknowledgment and/or negative acknowledgement (ACK/NACK) signals, associated with the one or more downlink transmissions, according to the selected HARQ timing sequence.
EFFECT: technical result is to increase the capacity and provide flexibility in the use of network resources.
23 cl, 10 dwg, 2 tbl
