Resource scheduling method and apparatus using access channel resource period identifier
Embodiments of this application disclose a resource scheduling method, an access network device, and user equipment, to reduce a quantity of times of applying for an uplink resource by using a random access process, reduce additional signaling overheads brought to the user equipment, and reduce power consumption of the user equipment. The method part in the embodiments of this application includes: determining, by an access network device, a target time interval in which user equipment monitors a downlink control channel; and sending, by the access network device, uplink resource scheduling information to the user equipment by using the downlink control channel in the target time interval.
1. A resource scheduling method performed by a user equipment in a communication system, the method comprising:
sending an access request to an access network device using an access channel resource;
determining a random access radio network temporary identifier (RA-RNTI) based on floor(SFN/Period), wherein
the SFN is a system frame number, the Period is a minimum access channel resource period, and the floor( ) represents rounding down; and
receiving, based on the RA-RNTI, scheduling information of an access response from the access network device.
2. The resource scheduling method according to claim 1 , wherein the method further comprises:
receiving, based on the scheduling information, the access response from the access network device, wherein the access response comprises a narrowband identifier, wherein the narrowband identifier is comprised in a message header of the access response or a message payload of the access response.
3. The resource scheduling method according to claim 1 , wherein the RA-RNTI is used to scramble the scheduling information of the access response.
4. The resource scheduling method according to claim 1 , wherein the determining the RA-RNTI based on the floor(SFN/Period) comprises:
determining the RA-RNTI according to:
RA-RNTI=1+a coefficient 1*floor(SFN/Period),
wherein, the coefficient 1 is equal to 1.
5. An apparatus, comprising:
a memory storing program instructions; and
a processor coupled to the memory, wherein when executed by the processor, the instructions cause the apparatus to:
send an access request to an access network device using an access channel resource;
determine a random access radio network temporary identifier (RA-RNTI) based on floor(SFN/Period), wherein
the SFN is a system frame number, the Period is a minimum access channel resource period, and the floor( ) represents rounding down; and
receive, based on the RA-RNTI, scheduling information of an access response from the access network device.
6. The apparatus according to claim 5 , wherein the apparatus is a user equipment.
7. The apparatus according to claim 5 , wherein the instructions, when executed by the processor, further cause the apparatus to:
receive the access response based on the scheduling information, wherein the access response comprises a narrowband identifier, wherein the narrowband identifier is comprised in a message header of the access response or a message payload of the access response.
8. The apparatus according to claim 5 , wherein the RA-RNTI is used to scramble the scheduling information of the access response.
9. The apparatus according to claim 5 , wherein the instructions cause the apparatus to determine the RA-RNTI according to:
RA-RNTI=1+a coefficient 1*floor(SFN/Period),
wherein the coefficient 1 is equal to 1.
10. A resource scheduling method performed by an access network device, the method comprising:
receiving an access request on an access channel resource from a user equipment;
determining a random access radio network temporary identifier (RA-RNTI) based on floor(SFN/Period), wherein
the SFN is a system frame number, the Period is a minimum access channel resource period, and the floor( ) represents rounding down; and
sending, based on the RA-RNTI, scheduling information of an access response to the user equipment.
11. The resource scheduling method according to claim 10 , wherein the method further comprises:
sending the access response, wherein the access response comprises a narrowband identifier, wherein the narrowband identifier is comprised in a message header of the access response or a message payload of the access response.
12. The resource scheduling method according to claim 10 , wherein the RA-RNTI is used to scramble the scheduling information of the access response.
13. The resource scheduling method according to claim 10 , wherein the determining the RA-RNTI based on the floor(SFN/Period) comprises:
determining the RA-RNTI according to:
RA-RNTI=1+a coefficient 1*floor(SFN/Period),
wherein, the coefficient 1 is equal to 1.
14. An apparatus, comprising:
a memory storing program instructions; and
a processor coupled to the memory, wherein when executed by the processor, the instructions cause the apparatus to:
receive an access request on an access channel resource from a user equipment;
determine a random access radio network temporary identifier (RA-RNTI) based on floor(SFN/Period), wherein
the SFN is a system frame number, the Period is a minimum access channel resource period, and the floor( ) represents rounding down; and
send, based on the RA-RNTI, scheduling information of an access response to the user equipment.
15. The apparatus according to claim 14 , wherein the instructions, when executed by the processor, further cause the apparatus to:
send the access response, wherein the access response comprises a narrowband identifier, wherein the narrowband identifier is comprised in a message header of the access response or a message payload of the access response.
16. The apparatus according to claim 14 , wherein the RA-RNTI is used to scramble the scheduling information of the access response.
17. The apparatus according to claim 14 , wherein the instructions, when executed by the processor, cause the apparatus to determine the RA-RNTI according to:
RA-RNTI=1+a coefficient 1*floor(SFN/Period),
wherein the coefficient 1 is equal to 1.