Method and apparatus for transmitting information
In a wireless communication system, a transmission device inputs, in some of N input bit positions of a polar code having the size N, input bits including D-bit information and X-bit user equipment (UE) ID according to a predetermined bit allocation sequence. The transmission device encodes the input bits by using the polar code. The transmission device transmits an encoded output sequence.
1. A method of transmitting information by a transmitting device in a wireless communication system, the method comprising:
inputting input bits including (i) D-bit information and (ii) an X-bit user equipment (UE) ID to a part of N input bit positions of a size-N polar code according to a specific bit allocation sequence;
encoding the input bits using the polar code; and
transmitting an encoded output sequence,
wherein the N input bit positions include (i) D input bit positions having highest reliabilities among the N input bit positions and (ii) N-D frozen bit positions other than the D input bit positions,
wherein the X-bit UE ID is input to X input bit positions among the D input bit positions, and
wherein D-X bits among the D-bit information are input to D-X input bit positions except for the X input bit positions among the D input bit positions, and remaining X bits among the D-bit information are input to X frozen bit positions having highest reliabilities among the N-D frozen bit positions.
2. The method according to claim 1 , wherein the other remaining part of the D-bit information is an end part of the D-bit information.
3. The method according to claim 1 , wherein the UE ID is a UE ID of the transmitting device or a UE ID of a receiving device which is a destination of the D-bit information.
4. A transmitting device for transmitting information in a wireless communication system, the transmitting device comprising,
a radio frequency (RF) transceiver;
a processor, and
a memory storing at least one program that causes the processor to perform operations comprising:
inputting input bits including (i) D-bit information and (ii) an X-bit user equipment (UE) ID to a part of N input bit positions of a size-N polar code according to a specific bit allocation sequence;
encoding the input bits using the polar code; and
transmitting an encoded output sequence,
wherein the N input bit positions include (i) D input bit positions having highest reliabilities among the N input bit positions and (ii) N-D frozen bit positions other than the D input bit positions,
wherein the X-bit UE ID is input to X input bit positions among the D input bit positions, and
wherein a part of the D-bit information is input to D-X input bit positions except for the X input bit positions among the D input bit positions, and a remaining part of the D-bit information is input to frozen bit positions having highest reliabilities among the N-D frozen bit positions.
5. The transmitting device according to claim 4 , wherein the remaining part of the D-bit information is an end part of the D-bit information.
6. The transmitting device according to claim 4 , wherein the UE ID is a UE ID of the transmitting device or a UE ID of a receiving device which is a destination of the D-bit information.