Response information transmission method, system and device

A method of transmitting response information, comprising:

• obtaining, by a User Equipment (UE), at least two Physical Uplink Control Channel (PUCCH) transmission carriers, wherein the at least two PUCCH transmission carriers comprise a first PUCCH transmission carrier, which is a carrier with a largest coverage radius among a plurality of uplink carriers aggregated for the UE, and the at least two PUCCH transmission carriers correspond to different priorities, the priority of the first PUCCH transmission carrier being the lowest;
• determining, by the UE, at least one of the at least two PUCCH transmission carriers in a sub-frame n for transmission of response information;
• receiving an indicator from the base station and adjusting transmit power of the PUCCH;
• transmitting, by the UE, the response information over the determined PUCCH transmission carrier in the sub-frame n at n adjusted transmit power;
• and
• wherein determining, by the UE, the at least one of the at least two PUCCH transmission carriers in the sub-frame n for transmission of response information comprises:
• selecting, from the at least two PUCCH transmission carriers, a PUCCH transmission carrier with the sub-frame n being an uplink sub-frame and with a highest priority as a PUCCH transmission carrier for transmission of response information;
• obtaining, by the UE, sets of downlink carriers corresponding to respective PUCCH transmission carriers and selecting, from the at least two PUCCH transmission carriers, a PUCCH transmission carrier, corresponding to the set of downlink carriers comprising carriers for which response information needs to be fed back in the sub-frame n and with a highest priority, as a PUCCH transmission carrier for transmission of response information;
• or
• obtaining, by the UE, sets of downlink carriers corresponding to respective PUCCH transmission carriers, and when response information needs to be fed back in the sub-frame n for carriers in a set of downlink carriers, determining the PUCCH transmission carriers corresponding to the set of downlink carriers to be a PUCCH transmission carrier for transmission of response information;
• wherein the priorities of the PUCCH transmission carriers are determined according to configuration information transmitted from a base station or preset by a system.

An apparatus for receiving response information, comprising:

• a processor and a transceiver;
• the processor configured to determine at least two Physical Uplink Control Channel (PUCCH) transmission carriers, to notify a User Equipment (UE) of the at least two PUCCH transmission carriers determined, and to determine configuration information for PUCCH transmission by the UE, wherein the at least two PUCCH transmission carriers comprise a first PUCCH transmission carrier, which is a carrier with a largest coverage radius among a plurality of uplink carriers aggregated for the UE, and the at least two PUCCH transmission carriers correspond to different priorities, the priority of the first PUCCH transmission carrier being the lowest;
• the transceiver configured to transmit the configuration information determined to the UE;
• the processor further configured to determine at least one of the at least two PUCCH transmission carriers for transmission of response information by a UE, and configure a power adjustment indicator;
• and
• the transceiver further configured to receive the response information transmitted from the UE over the at least one PUCCH transmission carrier in a sub-frame n, and transmit the power adjustment indicator to the UE;
• wherein the transceiver is configured to at least one of:
• when feedback response information corresponding to scheduled downlink data is transmitted in the sub-frame n, to receive the feedback response information over the PUCCH transmission carrier with the sub-frame n being an uplink sub-frame and with a highest priority among the at least two PUCCH transmission carriers, wherein the priorities are configured by the base station in higher-layer signaling or preset by a system;
• to receive the response information over the PUCCH transmission carrier with a highest priority among PUCCH transmission carriers corresponding to sets of downlink carriers over which data transmission is scheduled and for which corresponding feedback response information is transmitted in the sub-frame n, wherein the priorities are configured by the base station in higher-layer signaling or preset by a system;
• or
• to receive the response information respectively over PUCCH transmission carriers corresponding to sets of downlink carriers over which data transmission is scheduled and for which corresponding feedback response information is transmitted in the sub-frame n.

An apparatus for transmitting response information, comprising:

• a processor and a transceiver
• the processor configured to obtain at least two Physical Uplink Control Channel (PUCCH) transmission carriers, and to determine at least one of the at least two PUCCH transmission carriers obtained in a sub-frame n for transmission of response information, and to receive an indicator from the base station and to adjust a transmit power of the PUCCH;
• wherein the at least two PUCCH transmission carriers comprise a first PUCCH transmission carrier, which is a carrier with a largest coverage radius among a plurality of uplink carriers aggregated for the UE, and the at least two PUCCH transmission carriers correspond to different priorities, the priority of the first PUCCH transmission carrier being the lowest;
• and
• the transceiver configured to transmit the response information over the PUCCH transmission carrier determined in the sub-frame n;
• wherein at an adjusted transmit power;
• wherein the processor is configured to determine the at least one of the at least two PUCCH transmission carriers in the sub-frame n for transmission of response information, by:
• selecting, from the at least two PUCCH transmission carriers, a PUCCH transmission carrier with the sub-frame n being an uplink sub-frame and with a highest priority as a PUCCH transmission carrier for transmission of response information;
• obtaining, by the UE, sets of downlink carriers corresponding to respective PUCCH transmission carriers and selecting, from the at least two PUCCH transmission carriers, a PUCCH transmission carrier, corresponding to the set of downlink carriers comprising carriers for which response information needs to be fed back in the sub-frame n and with a highest priority, as a PUCCH transmission carrier for transmission of response information;
• or
• obtaining, by the UE, sets of downlink carriers corresponding to respective PUCCH transmission carriers, and when response information needs to be fed back in the sub-frame n for carriers in a set of downlink carriers, determining the PUCCH transmission carriers corresponding to the set of downlink carriers to be a PUCCH transmission carrier for transmission of response information;
• wherein the priorities of the PUCCH transmission carriers are determined according to configuration information transmitted from a base station or preset by a system.