Method and device for providing control information for different services
The present disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present disclosure relates to a method for providing control information for different services of a base station. A method of a first terminal includes: receiving control information; identifying a control channel for the first terminal based on the control information; and decoding information received in the control channel for the first terminal based on superposition transmission related information included in the control information.
1. A method for operating by a first terminal, the method comprising:
receiving, from a base station, configuration information including information on control channel candidates for the first terminal via higher layer signaling;
receiving, from the base station, common control information for the first terminal and a second terminal including information indicating a control channel among the control channel candidates and overlap information, wherein the overlap information includes information on overlap resources in the control channel, a ratio of the overlap resources to resources in which data for the second terminal is punctured in the overlap resources, and a puncturing indication indicating whether to puncture the data for the second terminal in the overlap resources;
identifying the control channel based on the information on the control channel candidates and the information indicating the control channel among the control channel candidates;
decoding control information received on the control channel based on the information on the overlap resources, the ratio of the overlap resources to the resources in which the data for the second terminal is punctured in the overlap resources, and the puncturing indication; and
receiving, from the base station, data for the first terminal based on the control information,
wherein the second terminal is different from the first terminal.
2. The method of claim 1 , wherein the first terminal receives a first service using a first transmission time interval (TTI), and
wherein the second terminal receives a second service using a second TTI.
3. The method of claim 2 , wherein the control information includes at least one of modulation coding scheme (MCS) information or resource allocation information.
4. The method of claim 3 , wherein the overlap information further includes a power ratio of the control information to the data for the second terminal.
5. The method of claim 1 , wherein the overlap information further includes an indicator indicating whether to transmit the data for the second terminal in a resource shifted by a predetermined number of resource blocks from the overlap resources.
6. A method for operating by a base station, the method comprising:
transmitting, to a first terminal, configuration information including information on control channel candidates for the first terminal via higher layer signaling;
identifying a control channel based on the information on the control channel candidates;
identifying overlap information including information on overlap resources in the control channel, a ratio of the overlap resources to resources in which data for a second terminal is punctured in the overlap resources, and a puncturing indication indicating whether to puncture the data for the second terminal in the overlap resources;
transmitting, to the first terminal, common control information for the first terminal and the second terminal including information indicating the control channel and the overlap information;
transmitting, to the first terminal, control information for the first terminal on the control channel based on the information on the overlap resources, the ratio of the overlap resources to the resources in which data for the second terminal is punctured in the overlap resources, and the puncturing indication; and
transmitting, to the first terminal, data for the first terminal based on the control information,
wherein the second terminal is different from the first terminal.
7. The method of claim 6 , wherein the first terminal receives a first service using a first transmission time interval (TTI), and
wherein the second terminal receives a second service using a second TTI.
8. The method of claim 7 , wherein the control information further includes at least one of modulation coding scheme (MCS) information or resource allocation information.
9. The method of claim 8 , wherein the overlap information includes a power ratio of the control information to the data for the second terminal.
10. The method of claim 6 , wherein the overlap information further includes an indicator indicating whether to transmit the data for the second terminal in a resource shifted by a predetermined number of resource blocks from the overlap resources.
11. A first terminal comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
receive, from a base station, configuration information including information on control channel candidates for the first terminal via higher layer signaling,
receive, from the base station, common control information for the first terminal and a second terminal including information indicating a control channel among the control channel candidates and overlap information, wherein the overlap information includes information on overlap resources in the control channel, a ratio of the overlap resources to resources in which data for the second terminal is punctured in the overlap resources, and a puncturing indication indicating whether to puncture the data for the second terminal in the overlap resources,
identify the control channel based on the information on the control channel candidates and the information indicating the control channel among the control channel candidates,
decode control information received on the control channel based on the information on the overlap resources, the ratio of the overlap resources to the resources in which the data for the second terminal is punctured in the overlap resources, and the puncturing indication, and
receive, from the base station, data for the first terminal based on the control information,
wherein the second terminal is different from the first terminal.
12. The first terminal of claim 11 , wherein the first terminal receives a first service using a first transmission time interval (TTI), and
wherein the second terminal receives a second service using a second TTI.
13. The first terminal of claim 12 , wherein the control information includes at least one of modulation coding scheme (MCS) information or resource allocation information.
14. The first terminal of claim 13 , wherein the overlap information further includes a power ratio of the control information to the data for the second terminal.
15. The first terminal of claim 11 , wherein the overlap information further includes an indicator indicating whether to transmit the data for the second terminal in a resource shifted by a predetermined number of resource blocks from the overlap resources.
16. A base station comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
transmit, to a first terminal, configuration information including information on control channel candidates for the first terminal via higher layer signaling,
identify a control channel based on the information on the control channel candidates,
identify overlap information including information on overlap resources in the control channel, a ratio of the overlap resources to resources in which data for a second terminal is punctured in the overlap resources, and a puncturing indication indicating whether to puncture the data for the second terminal in the overlap resources,
transmit, to the first terminal, common control information for the first terminal and the second terminal including information indicating the control channel and the overlap information,
transmit, to the first terminal, control information for the first terminal on the control channel based on the information on the overlap resources, the ratio of the overlap resources to the resources in which data for the second terminal is punctured in the overlap resources, and the puncturing indication, and
transmit, to the first terminal, data for the first terminal based on the control information,
wherein the second terminal is different from the first terminal.
17. The base station of claim 16 , wherein the first terminal receives a first service using a first transmission time interval (TTI), and
wherein the second terminal receives a second service using a second TTI.
18. The base station of claim 17 , wherein the control information includes at least one of modulation coding scheme (MCS) information or resource allocation information.
19. The base station of claim 18 , wherein the overlap information further includes a power ratio of the control information to the data for the second terminal.
20. The base station of claim 16 , wherein the overlap information further includes an indicator indicating whether to transmit the data for the second terminal in a resource shifted by a predetermined number of resource blocks from the overlap resources.