Resource allocation indication method, device, and system
A resource allocation indication method, a device, and a system are provided. The method includes: obtaining, by a terminal device, first indication information; and determining, by the terminal device, a target resource based on the first indication information, and sending uplink data on the target resource, where the target resource includes a resource block in M basic resource units that is allocated to the terminal device; a position of an allocated resource block in each of the M basic resource units corresponds to a first frequency domain position of a resource block in a first resource block set; the first frequency domain position is a frequency domain position obtained after a second frequency domain position of a resource block in a second resource block set is shifted; and the M basic resource units are arranged in ascending order in frequency domain.
1. A resource allocation indication method comprising:
obtaining, by a terminal device, first indication information; and
determining, by the terminal device, a target resource based on the first indication information, and sending uplink data on the target resource, wherein
the target resource comprises a resource block, which is allocated to the terminal device, in M basic resource units on an unlicensed spectrum resource; a position of an allocated resource block in each of the M basic resource units corresponds to a first frequency domain position of a resource block in a first resource block set; a frequency domain position of an x th resource block in the first resource block set corresponds to frequency domain positions of M resource blocks; and the M resource blocks comprise resource blocks that are in the M basic resource units and whose frequency domain positions are the same as the frequency domain position of the x th resource block, wherein each of the M basic resource units has one resource block; and the first frequency domain position of the resource block in the first resource block set is a frequency domain position obtained after a second frequency domain position of a resource block in a second resource block set is shifted, and wherein M is a positive integer, M≥2, x is a positive integer, 1<x≤K, and K is a quantity of resource blocks comprised in one basic resource unit.
2. The method according to claim 1 , wherein the unlicensed spectrum resource comprises N RB UL resource blocks and the N RB UL resource blocks are grouped into the M basic resource units.
3. The method according to claim 2 , N RB UL is 100, M is 10.
4. The method according to claim 1 , wherein the shift of the second frequency domain position is a cyclic shift, and the first indication information satisfies one of the following:
(a) the first indication information indicates the second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift, wherein T is an integer; and
(b) the first indication information indicates the first frequency domain position of the resource block in the first resource block set.
5. The method according to claim 1 , wherein an index of the second frequency domain position belongs to {0,5}, and a shift value associated with the second resource block set belongs to {0, 1, 2, 3, 4}.
6. A resource allocation indication method comprising:
sending, by an access network device, first indication information to a terminal device; and
receiving, by the access network device on a target resource associated with the first indication information, uplink data sent by the terminal device, wherein
the target resource comprises a resource block, which is allocated to the terminal device, in M basic resource units on an unlicensed spectrum resource; a position of an allocated resource block in each of the M basic resource units corresponds to a first frequency domain position of a resource block in a first resource block set; a frequency domain position of an x th resource block in the first resource block set corresponds to frequency domain positions of M resource blocks; and the M resource blocks comprise resource blocks that are in the M basic resource units and whose frequency domain positions are the same as the frequency domain position of the x th resource block, wherein each of the M basic resource units has one resource block; and the first frequency domain position of the resource block in the first resource block set is a frequency domain position obtained after a second frequency domain position of a resource block in a second resource block set is shifted, and wherein M is a positive integer, M≥2, x is a positive integer, 1<x≤K, and K is a quantity of resource blocks comprised in one basic resource unit.
7. The method according to claim 6 , wherein the unlicensed spectrum resource comprises N RB UL resource blocks and the N RB UL resource blocks are grouped into the M basic resource units.
8. The method according to claim 7 , N RB UL is 100, M is 10.
9. The method according to claim 6 , wherein the shift of the second frequency domain position is a cyclic shift, and the first indication information satisfies one of the following:
(a) the first indication information indicates, to the terminal device, the second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift, wherein T is an integer; and
(b) the first indication information indicates the first frequency domain position of the resource block in the first resource block set.
10. The method according to claim 6 , wherein an index of the second frequency domain position belongs to {0,5}, and a shift value associated with the second resource block set belongs to {0, 1, 2, 3, 4}.
11. A terminal device comprising:
a receiver, configured to cooperate with a processor to obtain first indication information;
the processor, configured to determine a target resource based on the first indication information received by the receiver; and
a transmitter, configured to cooperate with the processor to send uplink data on the target resource, wherein
the target resource comprises a resource block , which is allocated to the terminal device, in M basic resource units on an unlicensed spectrum resource; a position of an allocated resource block in each of the M basic resource units corresponds to a first frequency domain position of a resource block in a first resource block set; a frequency domain position of an x th resource block in the first resource block set corresponds to frequency domain positions of M resource blocks; and the M resource blocks comprise resource blocks that are in the M basic resource units and whose frequency domain positions are the same as the frequency domain position of the xt h resource block, wherein each of the M basic resource units has one resource block; and the first frequency domain position of the resource block in the first resource block set is a frequency domain position obtained after a second frequency domain position of a resource block in a second resource block set is shifted, and wherein M is a positive integer , M≥2, x is a positive integer, 1<x≤K, and K is a quantity of resource blocks comprised in one basic resource unit.
12. The terminal device according to claim 11 , wherein the unlicensed spectrum resource comprises N RB UL resource blocks and the N RB UL resource blocks are grouped into the M basic resource units.
13. The terminal device according to claim 12 , N RB UL is 100 , M is 10.
14. The terminal device according to claim 11 , wherein the shift of the second frequency domain position is a cyclic shift, and the first indication information satisfies one of the following:
(a) the first indication information indicates the second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift; and
(b) the first indication information indicates the first frequency domain position of the resource block in the first resource block set.
15. The terminal device according to claim 11 , wherein an index of the second frequency domain position belongs to {0,5}, and a shift value associated with the second resource block set belongs to {0, 1, 2, 3, 4}.
16. An access network device comprising:
a transmitter, configured to cooperate with a processor to send first indication information to a terminal device;
the processor, configured to cooperate with the transmitter and a receiver; and
a receiver, configured to cooperate with the processor to receive, on a target resource associated with the first indication information, uplink data, wherein
the target resource comprises a resource block, which is allocated to the terminal device, in M basic resource units on an unlicensed spectrum resource; a position of an allocated resource block in each of the M basic resource units corresponds to a first frequency domain position of a resource block in a first resource block set; a frequency domain position of an x th resource block in the first resource block set corresponds to frequency domain positions of M resource blocks; and the M resource blocks comprise resource blocks that are in the M basic resource units and whose frequency domain positions are the same as the frequency domain position of the x th resource block, wherein each of the M basic resource units has one resource block; and the first frequency domain position of the resource block in the first resource block set is a frequency domain position obtained after a second frequency domain position of a resource block in a second resource block set is shifted, wherein M is a positive integer, M≥2.
17. The access network device according to claim 16 , wherein the unlicensed spectrum resource comprises N RB UL resource blocks and the N RB UL resource blocks are grouped into the M basic resource units.
18. The access network device according to claim 17 , N RB UL is 100, M is 10.
19. The access network device according to claim 16 , wherein the shift of the second frequency domain position is a cyclic shift, and the first indication information satisfies one of the following:
(a) the first indication information indicates, to the terminal device, the second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift, wherein T is an integer; and
(b) the first indication information indicates the first frequency domain position of the resource block in the first resource block set.
20. The access network device according to claim 16 , wherein an index of the second frequency domain position belongs to {0,5}, and a shift value associated with the second resource block set belongs to {0, 1, 2, 3, 4}.