Physical uplink control channel transmission method and reception method, apparatus, user equipment and base station

A method of receiving a physical uplink control channel (PUCCH), comprising:

• determining a plurality of target slots to transmit to-be-fed-back uplink control information (UCI), wherein the to-be-fed-back UCI is transmitted in the target slots by using the PUCCH;
• determining a transmission duration or format of the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots respectively;
• and,
• receiving, in accordance with the determined transmission duration or format of the PUCCH, the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots,
• wherein the receiving the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots comprises:
• when a size of the to-be-fed-back UCI is less than or equal to a first preset value, receiving a PUCCH carrying a modulation symbol in each of the plurality of target slots, wherein the modulation symbol results from a modulation performed by user equipment (UE) on the to-be-fed-back UCI;
• and
• when the size of the to-be-fed-back UCI is greater than the first preset value, receiving a PUCCH carrying a first bit sequence in each of the plurality of target slots;
• or, when the size of the to-be-fed-back UCI is greater than the first preset value, receiving, in each of the plurality of target slots, a PUCCH carrying a bit sub-sequence of the second bit sequence that corresponds to the target slot,
• wherein the first bit sequence is a coded bit sequence resulting from a channel coding and rate matching performed by the UE on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH, and the second bit sequence is a coded bit sequence resulting from a channel coding and rate matching performed by the UE on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH and a quantity of the target slots.

A User equipment (UE), comprising:

• a processor, a memory connected to the processor via a bus interface, and a transceiver connected to the processor via the bus interface, wherein the memory is configured to store program and data used by the processor in operation, the transceiver is configured to transmit a control command, and the processor is configured to call and execute the program and data stored in the memory to implement following steps:
• determining a plurality of target slots to transmit to-be-fed-back uplink control information (UCI), wherein the to-be-fed-back UCI is transmitted in the target slots by using a physical uplink control channel (PUCCH);
• determining a transmission duration or format of the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots respectively;
• and,
• transmitting, in accordance with the determined transmission duration or format of the PUCCH, the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots,
• wherein the transmitting the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots comprises:
• when a size of the to-be-fed-back UCI is less than or equal to a first preset value, acquiring a modulation symbol by modulating the to-be-fed-back UCI, and transmitting a PUCCH carrying the modulation symbol repeatedly in each of the plurality of target slots;
• and
• when the size of the to-be-fed-back UCI is greater than the first preset value, acquiring a first coded bit sequence by performing a channel coding and rate matching on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH, and transmitting a PUCCH carrying the first coded bit sequence repeatedly in each of the plurality of target slots;
• or, when the size of the to-be-fed-back UCI is greater than the first preset value, acquiring a second coded bit sequence by performing a channel coding and rate matching on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH and a quantity of the target slots, and transmitting, in each of the plurality of target slots, a PUCCH carrying a bit sub-sequence of the second coded bit sequence that corresponds to the target slot.

A base station, comprising:

• a processor, a memory connected to the processor via a bus interface, and a transceiver connected to the processor via the bus interface, wherein the memory is configured to store program and data used by the processor in operation, the transceiver is configured to transmit a control command, and the processor is configured to call and execute the program and data stored in the memory to implement following steps:
• determining a plurality of target slots to transmit to-be-fed-back uplink control information (UCI), wherein the to-be-fed-back UCI is transmitted in the target slots by using the PUCCH;
• determining a transmission duration or format of the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots respectively;
• and,
• receiving, in accordance with the determined transmission duration or format of the PUCCH, the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots,
• wherein the receiving the PUCCH carrying the to-be-fed-back UCI in each of the plurality of target slots comprises:
• when a size of the to-be-fed-back UCI is less than or equal to a first preset value, receiving a PUCCH carrying a modulation symbol in each of the plurality of target slots, wherein the modulation symbol results from a modulation performed by user equipment (UE) on the to-be-fed-back UCI;
• and
• when the size of the to-be-fed-back UCI is greater than the first preset value, receiving a PUCCH carrying a first bit sequence in each of the plurality of target slots;
• or, when the size of the to-be-fed-back UCI is greater than the first preset value, receiving, in each of the plurality of target slots, a PUCCH carrying a bit sub-sequence of the second bit sequence that corresponds to the target slot,
• wherein the first bit sequence is a coded bit sequence resulting from a channel coding and rate matching performed by the UE on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH, and the second bit sequence is a coded bit sequence resulting from a channel coding and rate matching performed by the UE on the to-be-fed-back UCI in accordance with a quantity of symbols carrying the UCI in the PUCCH and a quantity of the target slots.