Device and method for transmitting or receiving control information and data in communication system
The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system includes receiving, from a base station, channel state information (CSI) report configuration information including a channel quality indicator (CQI) table-related parameter, identifying a CQI table to be used based on the CQI table-related parameter, and transmitting, to the base station, a CQI index using the CQI table. A maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM).
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, channel state information (CSI) report configuration information including a channel quality indicator (CQI) table-related parameter;
identifying a CQI table to be used based on the CQI table-related parameter; and
transmitting, to the base station, a CQI index using the CQI table,
wherein a maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM), and
wherein the COI table includes a COI index entry in which a modulation scheme is 4096 QAM and a code rate is 869/1024.
2. The method of claim 1 , wherein the COI table includes a CQI index entry in which a modulation scheme is 4096 QAM and a code rate is 948/1024.
3. The method of claim 1 , wherein the CQI table does not include a CQI index entry in which a modulation scheme is quadrature phase shift keying (QPSK).
4. The method of claim 1 , further comprising:
receiving, from the base station, downlink control information (DCI) including a modulation and coding scheme (MCS) field; and
determining a modulation order and a target code rate for a downlink data based on the MCS field in the DCI and an MCS table,
wherein the MCS table is identified based on an MCS table-related parameter received from the base station, and
wherein a maximum modulation order of the MCS table is 12.
5. The method of claim 4 , wherein the MCS table includes at least one of:
an MCS index entry in which a modulation order is 12 and a target code rate is 829.5/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 869/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 908.5/1024, or
an MCS index entry in which a modulation order is 12 and a target code rate is 948/1024.
6. A method performed by a base station in a wireless communication system, the method comprising:
determining a channel quality indicator (CQI) table to be used for a terminal;
transmitting, to the terminal, channel state information (CSI) report configuration information including a CQI table-related parameter indicating the CQI table; and
receiving, from the terminal, a CQI index associated with the CQI table,
wherein a maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM), and
wherein the COI table includes a COI index entry in which a modulation scheme is 4096 QAM and a code rate is 869/1024.
7. The method of claim 6 , wherein the CQI table includes a CQI index entry in which a modulation scheme is 4096 QAM and a code rate is 948/1024.
8. The method of claim 6 , wherein the CQI table does not include a CQI index entry in which a modulation scheme is quadrature phase shift keying (QPSK).
9. The method of claim 6 , further comprising:
determining a modulation and coding scheme (MCS) table to be used for the terminal; and
transmitting, to the terminal, downlink control information (DCI) including an MCS field associated with the MCS table,
wherein an MCS table-related parameter indicating the MCS table is transmitted to the terminal, and
wherein a maximum modulation order of the MCS table is 12.
10. The method of claim 9 , wherein the MCS table includes at least one of:
an MCS index entry in which a modulation order is 12 and a target code rate is 829.5/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 869/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 908.5/1024, or
an MCS index entry in which a modulation order is 12 and a target code rate is 948/1024.
11. A terminal in a wireless communication system, the terminal comprising:
a transceiver; and
a controller configured to:
receive, from a base station via the transceiver, channel state information (CSI) report configuration information including a channel quality indicator (CQI) table-related parameter,
identify a CQI table to be used based on the CQI table-related parameter, and
transmit, to the base station via the transceiver, a CQI index using the CQI table,
wherein a maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM), and
wherein the COI table includes a COI index entry in which a modulation scheme is 4096 OAM and a code rate is 869/1024.
12. The terminal of claim 11 , wherein the CQI table includes a CQI index entry in which a modulation scheme is 4096 QAM and a code rate is 948/1024.
13. The terminal of claim 11 , wherein the CQI table does not include a CQI index entry in which a modulation scheme is quadrature phase shift keying (QPSK).
14. The terminal of claim 11 , wherein the controller is further configured to:
receive, from the base station via the transceiver, downlink control information (DCI) including a modulation and coding scheme (MCS) field, and
determine a modulation order and a target code rate for a downlink data based on the MCS field in the DCI and an MCS table,
wherein the MCS table is identified based on an MCS table-related parameter received from the base station, and
wherein a maximum modulation order of the MCS table is 12.
15. The terminal of claim 14 , wherein the MCS table includes at least one of:
an MCS index entry in which a modulation order is 12 and a target code rate is 829.5/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 869/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 908.5/1024, or
an MCS index entry in which a modulation order is 12 and a target code rate is 948/1024.
16. A base station in a wireless communication system, the base station comprising:
a transceiver; and
a controller configured to:
determine a channel quality indicator (CQI) table to be used for a terminal,
transmit, to the terminal via the transceiver, channel state information (CSI) report configuration information including a CQI table-related parameter indicating the CQI table, and
receive, from the terminal via the transceiver, a CQI index associated with the CQI table,
wherein a maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM), and
wherein the COI table includes a COI index entry in which a modulation scheme is 4096 OAM and a code rate is 869/1024.
17. The base station of claim 16 , wherein the CQI table includes a CQI index entry in which a modulation scheme is 4096 QAM and a code rate is 948/1024.
18. The base station of claim 16 , wherein the CQI table does not include a CQI index entry in which a modulation scheme is quadrature phase shift keying (QPSK).
19. The base station of claim 16 , wherein the controller is further configured to:
determine a modulation and coding scheme (MCS) table to be used for the terminal, and
transmit, to the terminal via the transceiver, downlink control information (DCI) including an MCS field associated with the MCS table,
wherein an MCS table-related parameter indicating the MCS table is transmitted to the terminal, and
wherein a maximum modulation order of the MCS table is 12.
20. The base station of claim 19 , wherein the MCS table includes at least one of:
an MCS index entry in which a modulation order is 12 and a target code rate is 829.5/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 869/1024,
an MCS index entry in which a modulation order is 12 and a target code rate is 908.5/1024, or
an MCS index entry in which a modulation order is 12 and a target code rate is 948/1024.