Method and device for uplink power control
The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.
1. A method of performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, configuration information including information on a plurality of offset values via higher layer signaling;
receiving, from the base station, downlink control information (DCI) including a transmission power control (TPC) command value;
determining, based on the TPC command value, a transmission power of data that is to be transmitted on a physical uplink shared channel (PUSCH); and
transmitting, to the base station, the data using the transmission power in a PUSCH transmission occasion determined based on a minimum value of the plurality of offset values.
2. The method of claim 1 ,
wherein the PUSCH transmission occasion is after a number of symbols determined based on the minimum value of the plurality of offset values from a symbol of receiving the DCI.
3. The method of claim 1 ,
wherein the transmission power of the data is determined based on a sum of TPC command values, in case that the TPC command values are received within a duration determined based on the PUSCH transmission occasion.
4. A terminal in a wireless communication system, the terminal comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
receive, from a base station, configuration information including information on a plurality of offset values via higher layer signaling,
receive, from the base station, downlink control information (DCI) including a transmission power control (TPC) command value,
determine, based on the TPC command value, a transmission power of data that is to be transmitted on a physical uplink shared channel (PUSCH), and
transmit, to the base station, the data using the transmission power in a PUSCH transmission occasion determined based on a minimum value of the plurality of offset values.
5. The terminal of claim 4 , wherein the PUSCH transmission occasion is after a number of symbols determined based on the minimum value of the plurality of offset values from a symbol of receiving the DCI.
6. The terminal of claim 4 ,
wherein the transmission power of the data is determined based on a sum of TPC command values, in case that the TPC command values are received within a duration determined based on the PUSCH transmission occasion.
7. A base station in a wireless communication system, the base station comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
transmit, to a terminal, configuration information including information on a plurality of offset values via higher layer signaling,
transmit, to the terminal, downlink control information (DCI) including a transmission power control (TPC) command value, and
receive, via the transceiver, data that is transmitted in a PUSCH transmission occasion based on a transmission power, the transmission power being determined based on the TPC command value,
wherein the PUSCH transmission occasion is determined based on a minimum value of the plurality of offset values.
8. The base station of claim 7 , wherein the PUSCH transmission occasion is after a number of symbols determined based on the minimum value of the plurality of offset values from a symbol of transmitting the DCI.
9. The base station of claim 7 , wherein the transmission power of the data is determined based on a sum of TPC command values, in case that the TPC command values are received within a duration determined based on the PUSCH transmission occasion.