Method for transmitting control information in wireless communication system and apparatus therefor

A user equipment (UE) of a wireless communication system, the UE comprising:

• a processor configured to divide uplink control information (UCI) into a first sub-UCI and a second sub-UCI, to encode each of the first sub-UCI and the second sub-UCI by using a Reed-Muller (RM) coding scheme, and to concatenate the encoded first sub-UCI and the second sub-UCI, wherein a bit size (O) of the UCI equal to or larger than a predetermined number;
• and
• a transmitter configured to transmit the concatenated first sub-UCI and second sub-UCI using modulation symbols to a base station,
• wherein a number of the modulation symbols is determined based on O,
• wherein a minimum number (Q′min) of the modulation symbols is defined by a sum of a minimum number of the modulation symbols corresponding to the first sub-UCI (Q′min_1) and a minimum number of the modulation symbols corresponding to the second sub-UCI (Q′min_2),
• wherein Q′min_1 and Q′min_2 are defined by using the following Equations:
• Q
• min
• ⁢
• _
• ⁢
• 1
• ′
• =
• ⌈
• 2
• ×
• ⌈
• O
• 2
• ⌉
• Q
• m
• ⌉
• and
• Q
• min
• ⁢
• _
• ⁢
• 2
• ′
• =
• ⌈
• 2
• ×
• (
• O
• ⁢
• ⌈
• O
• 2
• ⌉
• )
• Q
• m
• ⌉
• =
• ⌈
• 2
• ×
• ⌊
• O
• 2
• ⌋
• Q
• m
• ⌉
• ,
• where Qm indicates a bit size per modulation symbol.

A method for a user equipment transmitting control information in a wireless communication system, the method comprising:

• dividing the control information into first and second portions, wherein a size of the control information is at least 12 bits,
• encoding the first and second portions separately;
• concatenating the encoded first and second portions of the control information;
• and
• transmitting the concatenated first and second portions of the control information to a base station by mapping to modulation symbols,
• wherein a number of the modulation symbols is determined based on a size (O) of the control information, and
• wherein a minimum value for the number of the modulation symbols is defined by using the following equation:
• ⌈
• 2
• ×
• ⌈
• O
• 2
• ⌉
• Q
• m
• ⌉
• +
• ⌈
• 2
• ×
• ⌊
• O
• 2
• ⌋
• Q
• m
• ⌉
• ⁢
• (
• where
• ⁢
• ⁢
• Q
• m
• ⁢
• ⁢
• indicates a bit size per modulation symbol
• )
• .

A user equipment (UE) in a wireless communication system, the UE comprising:

• a processor configured to divide control information into first and second portions, wherein a size of the control information is at least 12 bits, encode the first and second portions separately, and concatenate the encoded first and second portions of the control information;
• a transmitter configured to transmit the concatenated first and second portions of the control information to a base station by mapping to modulation symbols,
• wherein a number of the modulation symbols is determined based on a size (O) of the control information, and
• wherein a minimum value for the number of the modulation symbols is defined by using the following equation:
• ⌈
• 2
• ×
• ⌈
• O
• 2
• ⌉
• Q
• m
• ⌉
• +
• ⌈
• 2
• ×
• ⌊
• O
• 2
• ⌋
• Q
• m
• ⌉
• ⁢
• (
• where
• ⁢
• ⁢
• Q
• m
• ⁢
• ⁢
• indicates a bit size per modulation symbol
• )
• .