Method for terminal resending data in wireless communication system, and communication device using same
AssigneeLG Electronics Inc.
InventorsSeungmin Lee, Suckchel Yang, Seonwook Kim, Joonkui Ahn
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Abstract
Provided are a method for a terminal resending data in a wireless communication system, and a communication device using same. The method comprises: receiving downlink control information (DCI) from a network; and resending data on the basis of the DCI, wherein the DCI includes an acknowledgement/not-acknowledgement (ACK/NACK) field.
Claims11
A method of receiving acknowledgement/negative acknowledgement (ACK/NACK) information in a wireless communication system, the method performed by a user equipment (UE), comprising:
- receiving, from a base station, first downlink control information (DCI) for scheduling one or more uplink data transmissions;
- performing one or more uplink data transmissions, to the base station, based on the first DCI;
- and
- receiving, from the base station, second DCI including ACK/NACK information for a plurality of uplink data transmissions including the one or more uplink data transmissions and a transmission power control (TPC) command for retransmission scheduled by the second DCI,
- wherein the ACK/NACK information relates to a plurality of hybrid automatic repeat request (HARQ) process identifiers (IDs) for the plurality of uplink data transmissions,
- wherein the ACK/NACK information comprises a plurality of bits,
- wherein the plurality of the HARQ process IDs are mapped in ascending order from the first bit to the last bit of the plurality of bits, and
- wherein the second DCI is distinguished from the first DCI based on a flag in the second DCI.
A user equipment (UE) for receiving acknowledgement/negative acknowledgement (ACK/NACK) information in a wireless communication system, the UE comprising:
- at least one transceiver for transmitting and receiving radio signals;
- and
- at least one processor for controlling the at least one transceiver,
- wherein the at least one processor is configured to:
- receive, from a base station, first downlink control information (DCI) for scheduling one or more uplink data transmissions,
- perform one or more uplink data transmissions, to the base station, based on the first DCI, and
- receive, from the base station, second DCI including ACK/NACK information for a plurality of uplink data transmissions including the one or more uplink data transmissions and a transmission power control (TPC) command for retransmission scheduled by the second DCI,
- wherein the ACK/NACK information relates to a plurality of hybrid automatic repeat request (HARQ) process identifiers (IDs) for the plurality of uplink data transmissions,
- wherein the ACK/NACK information comprises a plurality of bits,
- wherein the plurality of the HARQ process IDs are mapped in ascending order form the first bit to the last bit of the plurality of bits, and
- wherein the second DCI is distinguished from the first DCI based on a flag in the second DCI.
A method of transmitting acknowledgement/negative acknowledgement (ACK/NACK) information in a wireless communication system, the method performed by a base station, comprising:
- transmitting, to a user equipment (UE), first downlink control information (DCI) for scheduling one or more uplink data transmissions;
- receiving, from the UE, one or more uplink data transmission based on the first DCI;
- and
- transmitting, to the UE, second DCI including ACK/NACK information for a plurality of uplink data transmissions including the one or more uplink data transmissions and a transmission power control (TPC) command for retransmission scheduled by the second DCI,
- wherein the ACK/NACK information relates to a plurality of hybrid automatic repeat request (HARQ) process identifiers (IDs) for the plurality of uplink data transmissions,
- wherein the ACK/NACK information comprises a plurality of bits,
- wherein the plurality of the HARQ process IDs are mapped in ascending order form the first bit to the last bit of the plurality of bits, and
- wherein the second DCI is distinguished from the first DCI based on a flag in the second DCI.
A base station for transmitting acknowledgement/negative acknowledgement (ACK/NACK) information in a wireless communication system, the base station comprising:
- at least one transceiver for transmitting and receiving radio signals;
- and
- at least one processor for controlling the one or more transceiver,
- wherein the at least one processor is configured to:
- transmit, to a user equipment (UE), first downlink control information (DCI) for scheduling one or more uplink data transmissions,
- receive, from the UE, one or more uplink data transmissions based on the first DCI,
- transmit, to the UE, second DCI including ACK/NACK information for a plurality of uplink data transmissions including the one or more uplink data transmissions and a transmission power control (TPC) command for retransmission scheduled by the second DCI,
- wherein the ACK/NACK information relates to a plurality of hybrid automatic repeat request (HARQ) process identifiers (IDs) for the plurality of uplink data,
- wherein the ACK/NACK information comprises a plurality of bits,
- wherein the plurality of the HARQ process IDs are mapped in ascending order form the first bit to the last bit of the plurality of bits, and
- wherein the second DCI is distinguished from the first DCI based on a flag in the second DCI.
Dependencies are inferred from the claim text.