Resource allocation method, device and system of wireless communication system
View Patent ↗Disclosed are a UE of a wireless communication system and a wireless communication method using the same. More particularly, the method including receiving scheduling information including resource allocation information, wherein the resource allocation information comprises a RIV determined based on the number of RBs of a first BWP, and transmitting or receiving data on a RB set corresponding to the RIV in a second BWP, wherein the number of RBs of the second BWP is greater than the number of RBs of the first BWP, the starting RB index S and the number of RBs of the RB set corresponding to the RIV in the second BWP are given in powers of 2 and a device for the same are disclosed.
1. A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
receiving, through a communication module of the UE, scheduling information including resource allocation information,
wherein the resource allocation information comprises a Resource Indication Value (MV) determined based on a number of Resource Blocks (RBs) of a first bandwidth part (BWP); and
transmitting or receiving, through the communication module of the UE, data on a RB set corresponding to the RIV in a second BWP,
wherein based on a number of RBs of the second BWP being greater than the number of RBs of the first BWP, a starting RB index S and a number of contiguous RBs L of the RB set corresponding to the RIV respectively have one of the following values in the second BWP:
the starting RB index S: {0, K, 2*K, . . . , (N BWP1 −1)*K}, and
the number of contiguous RBs L: {K, 2*K, 3*K, . . . , N BWP1 *K}
where N BWP1 is the number of RBs of the first BWP, and
where K is a power value of 2 and is determined based on (the number of RBs of the second BWP/the number of RBs of the first BWP).
2. The method of claim 1 ,
wherein the first BWP and the second BWP comprise one of the following:
(first BWP, second BWP)=(initial BWP, active BWP), and
(first BWP, second BWP)=(currently activated BWP, newly activated BWP),
where the currently activated BWP is an active BWP of a time point at which the scheduling information is received, and the newly activated BWP is a BWP indicated by a bandwidth part indicator (BPI) in the scheduling information.
3. The method of claim 1 , wherein K has a relation with (the number of RBs of second BWP/the number of RBs of first BWP), the relation including at least part of the following table:
1 < X < 2
2 ≤ X < 4
4 ≤ X < 8
8 ≤ X < 16
. . .
2 n ≤ X < 2 n+1
K
1
2
4
8
. . .
2 n
where X is (the number of RBs of second BWP/the number of RBs of first BWP), and n is an integer of 0 or more.
4. The method of claim 1 , wherein the RIV has a value satisfying the following Equation:
RIV= N BWP1 *( L′ −1)+ S′ , if ( L′ −1)≤floor( N BWP1 /2), and
RIV= N BWP1 *( N BWP1 −L′+ 1)+( N BWP1 −1− S ′), if ( L′− 1)>floor( N BWP1 /2),
where L′ is a value of 1≤L′≤N BWP1 −S′ as L/K, and S′ is S/K.
5. The method of claim 1 , wherein based on the number of RBs of the second BWP being equal to or less than the number of RBs of the first BWP, the starting RB index S and the number of contiguous RBs L of the RB set corresponding to the RIV are given by one of the following values respectively in the second BWP:
the starting RB index S: {0, 1, 2, . . . , N BWP2 −1}, and
the number of contiguous RBs L: {1, 2, 3, . . . , N BWP2 },
where N BWP2 is the number of RBs of the second BWP.
6. A method performed by a base station (BS) in a wireless communication system, the method comprising:
transmitting, through a communication module of the BS, scheduling information including resource allocation information,
wherein the resource allocation information comprises a Resource Indication Value (RIV) determined based on a number of Resource Blocks (RBs) of a first bandwidth part (BWP); and
transmitting or receiving, through the communication module of the BS, data on a RB set corresponding to the RIV in a second BWP,
wherein based on a number of RBs of the second BWP being greater than the number of RBs of the first BWP, a starting RB index S and a number of contiguous RBs L of the RB set corresponding to the RIV respectively have one of the following values in the second BWP:
the starting RB index S: {0, K, 2*K, . . . , (N BWP1 −1)*K}, and
the number of contiguous RBs L: {K, 2*K, 3*K, . . . , N BWP1 *K}
where N BWP1 is the number of RBs of the first BWP, and
where K is a power value of 2 and is determined based on (the number of RBs of the second BWP/the number of RBs of the first BWP).
7. The method of claim 6 , wherein the first BWP and the second BWP comprise one of the following:
(first BWP, second BWP)=(initial BWP, active BWP), and
(first BWP, second BWP)=(currently activated BWP, newly activated BWP),
where the currently activated BWP is an active BWP of a time point at which the scheduling information is received, and the newly activated BWP is a BWP indicated by a bandwidth part indicator (BPI) in the scheduling information.
8. The method of claim 6 , wherein K has a relation with (the number of RBs of second BWP/the number of RBs of first BWP), the relation including at least part of the following table:
1 < X < 2
2 ≤ X < 4
4 ≤ X < 8
8 ≤ X < 16
. . .
2 n ≤ X < 2 n+1
K
1
2
4
8
. . .
2 n
where X is (the number of RBs of second BWP/the number of RBs of first BWP), and n is an integer of 0 or more.
9. The method of claim 6 , wherein the RIV has a value satisfying the following Equation:
RIV= N BWP1 *( L′− 1)+ S ′, if ( L′− 1)≤floor( N BWP1 /2), and
RIV= N BWP1 *( N BWP1 −L′+ 1)+( N BWP1 −1− S ), if ( L′− 1)>floor( N BWP1 /2),
where L′ is a value of 1≤L′≤N BWP1 −S′ as L/K, and S′ is S/K.
10. The method of claim 6 , wherein based on the number of RBs of the second BWP being equal to or less than the number of RBs of the first BWP, the starting RB index S and the number of contiguous RBs L of the RB set corresponding to the RIV are given by one of the following values respectively in the second BWP:
the starting RB index S: {0, 1, 2, . . . , N BWP2 −1}, and
the number of RBs L: {1, 2, 3, . . . , N BWP2 },
where N BWP2 is the number of RBs of the second BWP.
11. A user equipment (UE) for use in a wireless communication system, the UE comprising:
a processor; and
a communication module,
wherein the processor is configured to:
receive, through the communication module, scheduling information including resource allocation information,
wherein the resource allocation information comprises a Resource Indication Value (RIV) determined based on a number of Resource Blocks (RBs) of a first bandwidth part (BWP); and
transmit or receive, through the communication module, data on a RB set corresponding to the RIV in a second BWP,
wherein based on a number of RBs of the second BWP being greater than the number of RBs of the first BWP, a starting RB index S and a number of contiguous RBs L of the RB set corresponding to the RIV respectively have one of the following values in the second BWP:
the starting RB index S: {0, K, 2*K, . . . , (N BWP1 −1)*K}, and
the number of contiguous RBs L: {K, 2*K, 3*K, . . . , N BWP1 *K}
where N BWP1 is the number of RBs of the first BWP, and
where K is a power value of 2 and is determined based on (the number of RBs of the second BWP/the number of RBs of the first BWP).
12. The UE of claim 11 , wherein the first BWP and the second BWP comprise one of the following:
(first BWP, second BWP)=(initial BWP, active BWP), and
(first BWP, second BWP)=(currently activated BWP, newly activated BWP),
where the currently activated BWP is an active BWP of a time point at which the scheduling information is received, and the newly activated BWP is a BWP indicated by a bandwidth part indicator (BPI) in the scheduling information.
13. The UE of claim 11 , wherein K has a relation with (the number of RBs of second BWP/the number of RBs of first BWP), the relation including at least part of the following table:
1 < X < 2
2 ≤ X < 4
4 ≤ X < 8
8 ≤ X < 16
. . .
2 n ≤ X < 2 n+1
K
1
2
4
8
. . .
2 n
where X is (the number of RBs of second BWP/the number of RBs of first BWP), and n is an integer of 0 or more.
14. The UE of claim 11 , wherein the RIV has a value satisfying the following Equation:
RIV= N BWP1 *( L′ −1)+ S ′, if ( L′− 1)≤floor( N BWP1 /2), and
RIV= N BWP1 *( N BWP1 −L′+ 1)+( N BWP1 −1− S ′), if ( L′− 1)>floor( N BWP1 /2),
where L′ is a value of 1≤L′≤N BWP1 −S′ as L/K, and S′ is S/K.
15. The UE of claim 11 , wherein based on the number of RBs of the second BWP being equal to or less than the number of RBs of the first BWP, the starting RB index S and the number of contiguous RBs L of the RB set corresponding to the RIV are given by one of the following values in the second BWP:
the starting RB index S: {0, 1, 2, . . . , N BWP2 −1}, and
the number of contiguous RBs L: {1, 2, 3, . . . , N BWP2 },
where N BWP2 is the number of RBs of the second BWP.
16. A base station (BS) for use in a wireless communication system, the BS comprising:
a processor; and
a communication module,
wherein the processor is configured to:
transmit, through the communication module, scheduling information including resource allocation information, wherein the resource allocation information comprises a Resource Indication Value (RIV) determined based on a number of Resource Blocks (RBs) of a first bandwidth part (BWP); and
transmit or receive, through the communication module, data on a RB set corresponding to the RIV in a second BWP,
wherein based on a number of RBs of the second BWP being greater than the number of RBs of the first BWP, a starting RB index S and a number of contiguous RBs L of the RB set corresponding to the RIV respectively have one of the following values in the second BWP:
the starting RB index S: {0, K, 2*K, . . . , (N BWP1 −1)*K}, and
the number of contiguous RBs L: {K, 2*K, 3*K, . . . , N BWP1 *K}
where N BWP1 is the number of RBs of the first BWP, and
where K is a power value of 2 and is determined based on (the number of RBs of the second BWP/the number of RBs of the first BWP).
17. The BS of claim 16 , wherein the first BWP and the second BWP comprise one of the following:
(first BWP, second BWP)=(initial BWP, active BWP), and
(first BWP, second BWP)=(currently activated BWP, newly activated BWP),
where the currently activated BWP is an active BWP of a time point at which the scheduling information is received, and the newly activated BWP is a BWP indicated by a bandwidth part indicator (BPI) in the scheduling information.
18. The BS of claim 16 , wherein K has a relation with (the number of RBs of second BWP/the number of RBs of first BWP), the relation including at least part of the following table:
1 < X < 2
2 ≤ X < 4
4 ≤ X < 8
8 ≤ X < 16
. . .
2 n ≤ X < 2 n+1
K
1
2
4
8
. . .
2 n
where X is (the number of RBs of second BWP/the number of RBs of first BWP), and n is an integer of 0 or more.
19. The BS of claim 16 , wherein the RIV has a value satisfying the following Equation:
RIV= N BWP1 *( L′− 1)+ S′ , if ( L′− 1)≤floor( N BWP1 /2), and
RIV= N BWP1 *( N BWP1 −L′+ 1)+( N BWP1 −1− S ), if ( L′− 1)>floor( N BWP1 /2),
where L′ is a value of 1≤L′≤N BWP1 −S′ as L/K, and S′ is S/K.
20. The BS of claim 16 , wherein based on the number of RBs of the second BWP being equal to or less than the number of RBs of the first BWP, the starting RB index S and the number of contiguous RBs L of the RB set corresponding to the RIV are given by one of the following values respectively in the second BWP:
the starting RB index S: {0, 1, 2, . . . , N BWP2 −1}, and
the number of contiguous RBs L: {1, 2, 3, . . . , N BWP2 },
where N BWP2 is the number of RBs of the second BWP.