Method and apparatus for transmission of uplink control information in wireless communication system

1. A method performed by a terminal in a communication system, the method comprising:

receiving, from a base station, downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) in a licensed-assisted access (LAA) cell;

identifying that the PUSCH is associated with a partial PUSCH mode; and

transmitting, to the base station, the PUSCH including channel quality information (CQI) in a subframe, the CQI being transmitted only on a second slot of the subframe,

wherein the CQI is mapped to a symbol in the second slot of the subframe based on a first parameter associated with a number of symbols in an uplink slot and a second parameter associated with a starting position of the PUSCH in the subframe.

2. The method of claim 1 , further comprising:

identifying a vector sequence for the CQI as an input of a channel interleaver; and

mapping the vector sequence to a channel interleaving matrix,

wherein a column index to which the vector sequence is mapped in the channel interleaving matrix is greater than or equal to a value determined based on the first parameter and the second parameter.

3. The method of claim 2 , wherein the value C′ is determined as

C′=Ñ symb UL /2− N start PUSCH ,

where:

Ñ symb UL =2(N symb UL −1), N symb UL is the number of symbols in the uplink slot, and

N start PUSCH is 0 or 1 depending on the starting position of the PUSCH in the subframe.

4. The method of claim 1 , wherein the PUSCH further includes rank indication (RI) information and uplink shared channel (UL-SCH) data, and

wherein the RI information is transmitted only on the second slot of the subframe.

5. The method of claim 1 , further comprising:

receiving, from the base station, information configuring the partial PUSCH mode by higher layer signaling; and

receiving, from the base station, an information field indicating the PUSCH is associated with the partial PUSCH mode in the DCI.

6. A terminal in a communication system, the terminal comprising:

a transceiver; and

a processor configured to:

receive, from a base station, downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) in a licensed-assisted access (LAA) cell;

identify that the PUSCH is associated with a partial PUSCH mode; and

transmit, to the base station, the PUSCH including channel quality information (CQI) in a subframe, the CQI being transmitted only on a second slot of the subframe,

wherein the CQI is mapped to a symbol in the second slot of the subframe based on a first parameter associated with a number of symbols in an uplink slot and a second parameter associated with a starting position of the PUSCH in the subframe.

7. The terminal of claim 6 , wherein the processor is further configured to:

identify a vector sequence for the CQI as an input of a channel interleaver; and

map the vector sequence to a channel interleaving matrix, wherein a column index to which the vector sequence is mapped in the channel interleaving matrix is greater than or equal to a value determined based on the first parameter and the second parameter.

8. The terminal of claim 7 , wherein the value C′ is determined as

C′=Ñ symb UL /2− N start PUSCH ,

where:

Ñ symb UL =2(N symb UL −1), N symb UL is the number of symbols in the uplink slot, and

N start PUSCH is 0 or 1 depending on the starting position of the PUSCH in the subframe.

9. The terminal of claim 6 , wherein the PUSCH further includes rank indication (RI) information and uplink shared channel (UL-SCH) data, and

wherein the RI information is transmitted only on the second slot of the subframe.

10. The terminal of claim 6 , wherein the processor is further configured to:

receive, from the base station, information configuring the partial PUSCH mode by higher layer signaling; and

receive, from the base station, an information field indicating the PUSCH is associated with the partial PUSCH mode in the DCI.

11. A method performed by a base station in a communication system, the method comprising:

transmitting, to a terminal, downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) in a licensed-assisted access (LAA) cell; and

receiving, from the terminal, the PUSCH associated with a partial PUSCH mode and including channel quality information (CQI) in a subframe, the CQI being received only on a second slot of the subframe,

wherein the CQI is mapped to a symbol in the second slot of the subframe based on a first parameter associated with a number of symbols in an uplink slot and a second parameter associated with a starting position of the PUSCH in the subframe.

12. The method of claim 11 , wherein a vector sequence for the CQI is mapped to a channel interleaving matrix, and

wherein a column index to which the vector sequence is mapped in the channel interleaving matrix is greater than or equal to a value determined based on the first parameter and the second parameter.

13. The method of claim 12 , wherein the value C′ is determined as

C′=Ñ symb UL /2− N start PUSCH ,

where:

Ñ symb UL =2(N symb UL −1), N symb UL is the number of symbols in the uplink slot, and

N start PUSCH is 0 or 1 depending on the starting position of the PUSCH in the subframe.

14. The method of claim 11 , wherein the PUSCH further includes rank indication (RI) information and uplink shared channel (UL-SCH) data, and

wherein the RI information is received only on the second slot of the subframe.

15. The method of claim 11 , further comprising:

transmitting, to the terminal, information configuring the partial PUSCH mode by higher layer signaling; and

transmitting, to the terminal, an information field indicating the PUSCH is associated with the partial PUSCH mode in the DCI.

16. A base station in a communication system, the base station comprising:

a transceiver; and

a processor configured to:

transmit, to a terminal, downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH) in a licensed-assisted access (LAA) cell; and

receive, from the terminal, the PUSCH associated with a partial PUSCH mode and including channel quality information (CQI) in a subframe, the CQI being received only on a second slot of the subframe,

wherein the CQI is mapped to a symbol in the second slot of the subframe based on a first parameter associated with a number of symbols in an uplink slot and a second parameter associated with a starting position of the PUSCH in the subframe.

17. The base station of claim 16 , wherein a vector sequence for the CQI is mapped to a channel interleaving matrix, and

wherein a column index to which the vector sequence is mapped in the channel interleaving matrix is greater than or equal to a value determined based on the first parameter and the second parameter.

18. The base station of claim 17 , wherein the value C′ is determined as

C′=Ñ symb UL /2− N start PUSCH ,

where:

Ñ symb UL =2(N symb UL −1), N symb UL is the number of symbols in the uplink slot, and

N start PUSCH is 0 or 1 depending on the starting position of the PUSCH in the subframe.

19. The base station of claim 16 , wherein the PUSCH further includes rank indication (RI) information and uplink shared channel (UL-SCH) data, and

wherein the RI information is received only on the second slot of the subframe.

20. The base station of claim 16 , wherein the processor is further configured to:

transmit, to the terminal, information configuring the partial PUSCH mode by higher layer signaling; and

transmit, to the terminal, an information field indicating the PUSCH is associated with the partial PUSCH mode in the DCI.