Communication method and device in mobile communication system
Provided is a terminal that includes a transceiver that transmits and receives signals, and a controller that receives, from a base station, control information including uplink configuration information for a plurality of subframes, to confirm information, for uplink transmission, from the uplink configuration information, and transmit an uplink signal based on the information for the uplink transmission, and a method for controlling the terminal.
1. A terminal comprising:
a transceiver; and
a controller configured to:
receive, from a base station via the transceiver, a radio resource control (RRC) message including information associated with a maximum number of scheduled subframes for a physical uplink shared channel (PUSCH),
receive, from the base station via the transceiver, downlink control information (DCI) including an indicator associated with a number of scheduled subframes for the PUSCH, first information associated with a PUSCH starting position and second information associated with a PUSCH ending position, and
transmit, to the base station via the transceiver, uplink data through the PUSCH based on the indicator, first information and the second information,
wherein the number of scheduled subframes for the PUSCH is determined based on a maximum number of scheduled subframes for the PUSCH.
2. The terminal of claim 1 ,
wherein the indicator indicates a number of a plurality of subframes for the PUSCH,
wherein the first information indicates a start position for the PUSCH in a first subframe of the plurality of subframes, and
wherein the second information indicates an ending symbol for the PUSCH in a last subframe of the plurality of subframes.
3. The terminal of claim 2 ,
wherein the start position for the PUSCH is a start position of a first symbol in the first subframe if the indicator is set to 00,
wherein the start position for the PUSCH is a preset time from the start position of the start symbol in the first subframe if the indicator is set to 01,
wherein the start position for the PUSCH is the preset time plus a timing advance (TA) from the start position of the first symbol in the first subframe if the indicator is set to 10, and
wherein the start position for the PUSCH is a start position of a second symbol in the first subframe if the indicator is set to 11.
4. The terminal of claim 1 ,
wherein the DCI further includes information associated with a transmit power control (TPC) and information associated with channel state information (CSI) report,
wherein a transmit power identified from the information associated with the TPC is applied to each of a plurality of subframes indicated by the DCI equally, and
wherein a CSI is transmitted in a subframe excluding a first subframe among the plurality of subframes.
5. A base station comprising:
a transceiver; and
a controller configured to:
transmit, to a terminal via the transceiver, a radio resource control (RRC) message including information associated with a maximum number of scheduled subframes for a physical uplink shared channel (PUSCH),
transmit, to the terminal via the transceiver, downlink control information (DCI) including an indicator associated with a number of scheduled subframes for the PUSCH, first information associated with a PUSCH starting position and second information associated with a PUSCH ending position, and
receive, from the terminal via the transceiver, uplink data through the PUSCH based on the indicator, first information and the second information,
wherein the number of scheduled subframes for the PUSCH is determined based on a maximum number of scheduled subframes for the PUSCH.
6. The base station of claim 5 ,
wherein the indicator indicates a number of a plurality of subframes for the PUSCH,
wherein the first information indicates a start position for the PUSCH in a first subframe of the plurality of subframes, and
wherein the second information indicates an ending symbol for the PUSCH in a last subframe of the plurality of subframes.
7. The base station of claim 6 ,
wherein the start position for the PUSCH is a start position of a first symbol in the first subframe if the indicator is set to 00,
wherein the start position for the PUSCH is a preset time from the start position of the first symbol in the first subframe if the indicator is set to 01,
wherein the start position for the PUSCH is the preset time plus a timing advance (TA) from the start position of the first symbol in the first subframe if the indicator is set to 10, and
wherein the start position for the PUSCH is a start position of a second symbol in the first subframe if the indicator is set to 11.
8. The base station of claim 5 ,
wherein the DCI further includes information associated with a transmit power control (TPC) and information associated with channel state information (CSI) report,
wherein a transmit power identified from the information associated with the TPC is applied to each of a plurality of subframes indicated by the DCI equally, and
wherein a CSI is transmitted in a subframe excluding a first subframe among the plurality of subframes.
9. A method by a terminal, the method comprising:
receiving, from a base station, a radio resource control (RRC) message including information associated with a maximum number of scheduled subframes for a physical uplink shared channel (PUSCH);
receiving, from the base station, downlink control information (DCI) including an indicator associated with a number of scheduled subframes for the PUSCH, first information associated with a PUSCH starting position and second information associated with a PUSCH ending position; and
transmitting, to the base station, uplink data through the PUSCH based on the indicator, first information and the second information,
wherein the number of scheduled subframes for the PUSCH is determined based on a maximum number of scheduled subframes for the PUSCH.
10. The method of claim 9 ,
wherein the indicator indicates a number of a plurality of subframes for the PUSCH,
wherein the first information indicates a start position for the PUSCH in a first subframe of the plurality of subframes, and
wherein the second information indicates an ending symbol for the PUSCH in a last subframe of the plurality of subframes.
11. The method of claim 10 ,
wherein the start position for the PUSCH is a start position of a first symbol in the first subframe if the indicator is set to 00,
wherein the start position for the PUSCH is a preset time from the start position of the first symbol in the first subframe if the indicator is set to 01,
wherein the start position for the PUSCH is the preset time plus a timing advance (TA) from the start position of the first symbol in the first subframe if the indicator is set to 10, and
wherein the start position for the PUSCH is a start position of a second symbol in the first subframe if the indicator is set to 11.
12. The method of claim 9 ,
wherein the DCI further includes information associated with a transmit power control (TPC) and information associated with channel state information (CSI) report,
wherein a transmit power identified from the information associated with the TPC is applied to each of a plurality of subframes indicated by the DCI equally, and
wherein a CSI is transmitted in a subframe excluding a first subframe among the plurality of subframes.
13. A method by a base station, the method comprising:
transmitting, to a terminal, a radio resource control (RRC) message including information associated with a maximum number of scheduled subframes for a physical uplink shared channel (PUSCH);
transmitting, to the terminal, downlink control information (DCI) including an indicator associated with a number of scheduled subframes for the PUSCH, first information associated with a PUSCH starting position and second information associated with a PUSCH ending position; and
receiving, from the terminal, uplink data through the PUSCH based on the indicator, first information and the second information,
wherein the number of scheduled subframes for the PUSCH is determined based on a maximum number of scheduled subframes for the PUSCH.
14. The method of claim 13 ,
wherein the indicator indicates a number of a plurality of subframes for the PUSCH,
wherein the first information indicates a start position for the PUSCH in a first subframe of the plurality of subframes, and
wherein the second information indicates an ending symbol for the PUSCH in a last subframe of the plurality of subframes.
15. The method of claim 14 ,
wherein the start position for the PUSCH is a start position of a first symbol in the first subframe if the indicator is set to 00,
wherein the start position for the PUSCH is a preset time from the start position of the first symbol in the first subframe if the indicator is set to 01,
wherein the start position for the PUSCH is the preset time plus a timing advance (TA) from the start position of the first symbol in the first subframe if the indicator is set to 10, and
wherein the start position for the PUSCH is a start position of a second symbol in the first subframe if the indicator is set to 11.
16. The method of claim 13 ,
wherein the DCI further includes information associated with a transmit power control (TPC) and information associated with channel state information (CSI) report,
wherein a transmit power identified from the information associated with the TPC is applied to each of a plurality of subframes indicated by the DCI equally, and
wherein a CSI is transmitted in a subframe excluding a first subframe among the plurality of subframes.