Resource allocation method and apparatus
Embodiments of this application provide resource allocation methods and apparatuses. One method includes: receiving, by a terminal device, resource allocation information that indicates a first resource, determining, by the terminal device, a second resource based on the resource allocation information and an offset value represented by M, wherein the offset value is configured based on higher layer signaling and indicates a start location of the first resource offsets from a start location of the second resource by M resource units, and sending, by the terminal device, uplink data on the second resource to a network device.
1. A method for resource allocation, comprising:
receiving, by a terminal device, resource allocation information that indicates a first resource;
determining, by the terminal device, a second resource based on the resource allocation information and an offset value represented by M, wherein the offset value is configured based on higher layer signaling and indicates a start location of first resource offsets from a start location of the second resource by M resource units; and
sending, by the terminal device, uplink data on the second resource to a network device wherein a resource indicator value (MV), the start location of the second resource represented by (RB START ), a quantity P of resource unit groups, and the offset value satisfies:
when P −1 ≤└N/ 2 ┘,RIV=N ( P −1)+( RB START −M )/ X ; or
when P −1 >└N/ 2 ┘,RIV=N ( N−P+ 1)+[ N −1−( RB START −M )/ X ],
where RIV indicates the first resource and is comprised in the resource allocation information,
N=└Q/X┘, Q is a quantity of resource units that corresponds to a system bandwidth, Q is an integer greater than 1, X is an integer greater than 2,
P indicates a quantity of resource unit groups comprised in the second resource, and each of the P resource unit groups comprises X resource units, wherein 1≤P≤[N−(RB START −M)/X].
2. The method according to claim 1 , wherein 1≤M≤(X−1), and X is a quantity of resource units comprised in each of at least one resource unit group comprised in a system bandwidth, and X is an integer greater than 2.
3. The method according to claim 1 , wherein the determining the second resource based on the resource allocation information and the offset value comprises:
determining, by the terminal device, the start location of the second resource based on the start location of the first resource and the offset value; and
determining, by the terminal device, the second resource based on the start location of the second resource and a quantity of resource units corresponding to the first resource.
4. The method according to claim 2 , wherein X=4.
5. A method for resource allocation, comprising:
generating, by a network device, resource allocation information and an offset value represented by M, wherein the resource allocation information indicates a first resource, the offset value is configured based on higher layer signaling and indicates a start location of first resource offsets from start location of a second resource by M resource units, and the second resource indicates a terminal device to send uplink data on the second resource; and
sending, by the network device, the resource allocation information to the terminal device, wherein
a resource indicator value (RIV), the start location of the second resource represented by (RB START ), a quantity P of resource unit groups, and the offset value satisfies:
when P −1 ≤└N/ 2 ┘,RIV=N ( P −1)+( RB START −M )/ X ; or
when P −1 >└N/ 2 ┘,RIV=N ( N−P+ 1)+[ N −1−( RB START −M )/ X ],
where RIV indicates the first resource and is comprised in the resource allocation information,
N=└Q/X┘, Q is a quantity of resource units that corresponds to a system bandwidth, Q is an integer greater than 1, X is an integer greater than 2,
P indicates a quantity of resource unit groups comprised in the second resource, and each of the P resource unit groups comprises X resource units, wherein 1≤P≤[N−(RB START −M)/X].
6. The method according to claim 5 , wherein 1≤M≤(X−1), and X is a quantity of resource units comprised in each of at least one resource unit group comprised in a system bandwidth, and X is an integer greater than 2.
7. The method according to claim 5 , further comprising:
sending, by the network device, the higher layer signaling that indicates the offset value.
8. The method according to claim 6 , wherein X=4.
9. An apparatus, comprising:
at least one processor; and
a non-transitory computer-readable storage medium coupled to the at least one processor and storing programming instructions for execution by the at least one processor, the programming instructions instruct the at least one processor to:
receive resource allocation information that indicates a first resource;
determine a second resource based on the resource allocation information and an offset value, wherein the offset value is configured based on higher layer signaling and indicates that a start location of first resource offsets from a start location of the second resource by M resource units; and
send uplink data on the second resource to a network device, wherein a resource indicator value (MV), the start location of the second resource represented by (RB START ), a quantity P of resource unit groups, and the offset value satisfies:
when P −1 ≤└N/ 2 ┘,RIV=N ( P −1)+( RB START −M )/ X ; or
when P −1 >└N/ 2 ┘,RIV=N ( N−P+ 1)+[ N −1−( RB START −M )/ X ],
where RIV indicates the first resource and is comprised in the resource allocation information,
N=└Q/X┘, Q is a quantity of resource units that corresponds to a system bandwidth, Q is an integer greater than 1, X is an integer greater than 2,
P indicates a quantity of resource unit groups comprised in the second resource, and each of the P resource unit groups comprises X resource units, wherein 1≤P≤[N−(RB START −M)/X].
10. The apparatus according to claim 9 , wherein 1≤M≤(X−1), and X is a quantity of resource units comprised in each of at least one resource unit group comprised in a system bandwidth, and X is an integer greater than 2.
11. The apparatus according to claim 9 , wherein the programming instructions further instruct the at least one processor to:
determine the start location of the second resource based on the start location of the first resource and the offset value; and
determine the second resource based on the start location of the second resource and a quantity of resource units corresponding to the first resource.
12. The apparatus according to claim 10 , wherein X=4.
13. An apparatus, comprising:
at least one processor; and
a non-transitory computer-readable storage medium coupled to the at least one processor and storing programming instructions for execution by the at least one processor, the programming instructions instruct the at least one processor to:
generate resource allocation information, wherein the resource allocation information indicates a first resource, a start location of first resource offsets from a start location of a second resource by M resource units, M is configured based on higher layer signaling, and the second resource indicates a terminal device to send uplink data on the second resource; and
send the resource allocation information to the terminal device, wherein
a resource indicator value (RIV), the start location of the second resource represented by (RB START ), a quantity P of resource unit groups, and an offset value satisfies:
when P −1 ≤└N/ 2 ┘,RIV=N ( P −1)+( RB START −M )/ X ; or
when P −1 >└N/ 2 ┘,RIV=N ( N−P+ 1)+[ N −1−( RB START −M )/ X ],
where RIV indicates the first resource and is comprised in the resource allocation information,
N=└Q/X┘, Q is a quantity of resource units that corresponds to a system bandwidth, Q is an integer greater than 1, X is an integer greater than 2,
P indicates a quantity of resource unit groups comprised in the second resource, and each of the P resource unit groups comprises X resource units, wherein 1≤P≤[N−(RB START −M)/X].
14. The apparatus according to claim 13 , wherein 1≤M≤(X−1), and X is a quantity of resource units comprised in each of at least one resource unit group comprised in a system bandwidth.
15. The apparatus according to claim 13 , wherein the programming instructions further instruct the at least one processor to:
send the higher layer signaling-that indicates the offset value.
16. The apparatus according to claim 14 , wherein X=4.