Method and apparatus for transmitting/receiving wireless signal in wireless communication system
The present invention relates to a wireless communication system, and more particularly, to a method including receiving indication information related to a PUCCH resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first RB offset, receiving a PDCCH including a resource indicator RI through CCE, and transmitting the control information on the PUCCH, wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI, and wherein a CS index of the PUCCH is determined based on a combination of [a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value)] in a CS index set, and an apparatus therefor.
1. A method for transmitting control information by a communication device in a wireless communication system, the method comprising:
receiving indication information related to a physical uplink control channel (PUCCH) resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first resource block (RB) offset;
receiving a physical downlink control channel (PDCCH) comprising a resource indicator (RI) through one or more control channel elements (CCEs); and transmitting the control information on the PUCCH,
wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI, and
wherein a Cyclic shift (CS) index of the PUCCH is determined based on a combination of a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value) in a CS index set.
2. The method according to claim 1 , wherein the second bit value of the RI is used to indicate one of two CS index groups, and the CCE-based 1-bit value is used to indicate one of two CS indexes in the indicated CS index group.
3. The method according to claim 1 , wherein a frequency hopping (FH) direction of the PUCCH is determined as one of two directions based on a third bit value of the RI.
4. The method according to claim 3 , wherein the second RB offset, the CS index and the frequency hopping direction for the PUCCH are determined to satisfy the following table:
CCE-based
Second
FH
CS
RI
1 bit
RB offset
direction
index
(b 2 b 1 b 0 )
(c 0 )
(b 2 )
(b 1 )
(b 0 , c 0 )
000
0
0
First
0
1
direction
3
001
0
6
1
9
010
0
Second
0
1
direction
3
011
0
6
1
9
100
0
1
First
0
1
direction
3
101
0
6
1
9
110
0
Second
0
1
direction
3
111
0
6
1
9,
wherein b 2 denotes the first bit value of the RI, b 1 denotes the third bit value of the RI, and b 0 denotes the second bit value of the RI, and a relationship between b 2 to b 0 and the first to third bit values of the RI is changeable.
5. The method according to claim 1 , wherein the control information comprises Acknowledgement/Negative Acknowledgement (ACK/NACK) for downlink data scheduled by the PDCCH.
6. A communication device used in a wireless communication system, comprising:
a memory; and
a processor,
wherein the processor is configured to:
receive indication information related to a physical uplink control channel (PUCCH) resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first resource block (RB) offset;
receive a physical downlink control channel (PDCCH) comprising a resource indicator (RI) through one or more control channel elements (CCEs); and
transmit the control information on the PUCCH,
wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI,
wherein a CS index of the PUCCH is determined based on a combination of a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value) in a CS index set.
7. The communication device according to claim 6 , wherein the second bit value of the RI is used to indicate one of two CS index groups, and the CCE-based 1-bit value is used to indicate one of two CS indexes in the indicated CS index group.
8. The communication device according to claim 6 , wherein a frequency hopping direction of the PUCCH is determined as one of two directions based on a third bit value of the RI.
9. The communication device according to claim 8 , wherein the second RB offset, the CS index and the frequency hopping direction for the PUCCH are determined to satisfy the following table:
CCE-based
Second
FH
CS
RI
1 bit
RB offset
direction
index
(b 2 b 1 b 0 )
(c 0 )
(b 2 )
(b 1 )
(b 0 , c 0 )
000
0
0
First
0
1
direction
3
001
0
6
1
9
010
0
Second
0
1
direction
3
011
0
6
1
9
100
0
1
First
0
1
direction
3
101
0
6
1
9
110
0
Second
0
1
direction
3
111
0
6
1
9,
wherein b 2 denotes the first bit value of the RI, b 1 denotes the third bit value of the RI, and b 0 denotes the second bit value of the RI, and a relationship between b 2 to b 0 and the first to third bit values of the RI is changeable.
10. The communication device according to claim 6 , wherein the control information comprises Acknowledgement/Negative Acknowledgement (ACK/NACK) for downlink data scheduled by the PDCCH.
11. A method for receiving control information by a communication device in a wireless communication system, the method comprising:
transmitting indication information related to a physical uplink control channel (PUCCH) resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first resource block (RB) offset;
transmitting a physical downlink control channel (PDCCH) comprising a resource indicator (RI) through one or more control channel elements (CCEs); and
receiving the control information on the PUCCH,
wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI, and
wherein a CS index of the PUCCH is determined based on a combination of a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value) in a CS index set.
12. The method according to claim 11 , wherein the second bit value of the RI is used to indicate one of two CS index groups, and the CCE-based 1-bit value is used to indicate one of two CS indexes in the indicated CS index group.
13. The method according to claim 11 , wherein a frequency hopping direction of the PUCCH is determined as one of two directions based on a third bit value of the RI.
14. The method according to claim 13 , wherein the second RB offset, the CS index and the frequency hopping direction for the PUCCH are determined to satisfy the following table:
CCE-based
Second
FH
CS
RI
1 bit
RB offset
direction
index
(b 2 b 1 b 0 )
(c 0 )
(b 2 )
(b 1 )
(b 0 , c 0 )
000
0
0
First
0
1
direction
3
001
0
6
1
9
010
0
Second
0
1
direction
3
011
0
6
1
9
100
0
1
First
0
1
direction
3
101
0
6
1
9
110
0
Second
0
1
direction
3
111
0
6
1
9,
wherein b 2 denotes the first bit value of the RI, b 1 denotes the third bit value of the RI, and b 0 denotes the second bit value of the RI, and a relationship between b 2 to b 0 and the first to third bit values of the RI is changeable.
15. The method according to claim 11 , wherein the control information comprises Acknowledgement/Negative Acknowledgement (ACK/NACK) for downlink data scheduled by the PDCCH.
16. A communication device used in a wireless communication system, comprising:
a memory; and
a processor,
wherein the processor is configured to:
transmit indication information related to a physical uplink control channel (PUCCH) resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first resource block (RB) offset;
transmit a physical downlink control channel (PDCCH) comprising a resource indicator (RI) through one or more control channel elements (CCEs); and
receive the control information on the PUCCH,
wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI,
wherein a CS index of the PUCCH is determined based on a combination of a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value) in a CS index set.
17. The communication device according to claim 16 , wherein the second bit value of the RI is used to indicate one of two CS index groups, and the CCE-based 1-bit value is used to indicate one of two CS indexes in the indicated CS index group.
18. The communication device according to claim 16 , wherein a frequency hopping direction of the PUCCH is determined as one of two directions based on a third bit value of the RI.
19. The communication device according to claim 18 , wherein the second RB offset, the CS index and the frequency hopping direction for the PUCCH are determined to satisfy the following table:
CCE-based
Second
FH
CS
RI
1 bit
RB offset
direction
index
(b 2 b 1 b 0 )
(c 0 )
(b 2 )
(b 1 )
(b 0 , c 0 )
000
0
0
First
0
1
direction
3
001
0
6
1
9
010
0
Second
0
1
direction
3
011
0
6
1
9
100
0
1
First
0
1
direction
3
101
0
6
1
9
110
0
Second
0
1
direction
3
111
0
6
1
9,
wherein b 2 denotes the first bit value of the RI, b 1 denotes the third bit value of the RI, and b 0 denotes the second bit value of the RI, and a relationship between b 2 to b 0 and the first to third bit values of the RI is changeable.
20. The communication device according to claim 16 , wherein the control information comprises Acknowledgement/Negative Acknowledgement (ACK/NACK) for downlink data scheduled by the PDCCH.