A method of transmitting, Enhanced Dedicated Channel, E-DCH, HARQ Acknowledgement Indicator Channel, E-HICH, information, wherein the E-HICH information comprises one or more acknowledgments, in a Third Generation partnership Project Long Term Evolution, 3GPP LTE, system operating compressed mode, comprising at a base station: combining previous E-HICH information with current E-HICH information when an intended transmission interval of the previous E-HICH information fully overlaps with a transmission gap; and transmitting (640, 970) the combined E-HICH information in a transmission interval of the current E-HICH information; and at a user equipment, UE; receiving the combined E-HICH information, decoding it to obtain the previous and current E-HICH information, and transmitting uplink data according to the previous and current E-HICH information in a following uplink transmission interval; and if the previous E-HICH information indicates that uplink data corresponding to the previous E-HICH information is correctly received while the current E-HICH information indicates that uplink data corresponding to the current E-HICH information is not correctly received, the UE transmits in the following uplink transmission interval the uplink data corresponding to the current E-HICH information if maximum retransmission number for the uplink data corresponding to the current E-HICH information is not reached. combining previous E-HICH information with current E-HICH information when an intended transmission interval of the previous E-HICH information fully overlaps with a transmission gap; and transmitting (640, 970) the combined E-HICH information in a transmission interval of the current E-HICH information; and at a user equipment, UE; receiving the combined E-HICH information, decoding it to obtain the previous and current E-HICH information, and transmitting uplink data according to the previous and current E-HICH information in a following uplink transmission interval; and if the previous E-HICH information indicates that uplink data corresponding to the previous E-HICH information is correctly received while the current E-HICH information indicates that uplink data corresponding to the current E-HICH information is not correctly received, the UE transmits in the following uplink transmission interval the uplink data corresponding to the current E-HICH information if maximum retransmission number for the uplink data corresponding to the current E-HICH information is not reached. receiving the combined E-HICH information, decoding it to obtain the previous and current E-HICH information, and transmitting uplink data according to the previous and current E-HICH information in a following uplink transmission interval; and if the previous E-HICH information indicates that uplink data corresponding to the previous E-HICH information is correctly received while the current E-HICH information indicates that uplink data corresponding to the current E-HICH information is not correctly received, the UE transmits in the following uplink transmission interval the uplink data corresponding to the current E-HICH information if maximum retransmission number for the uplink data corresponding to the current E-HICH information is not reached.