Resource management indication method and apparatus with flexible manner of measurement

• US 10,827,374 B2
• Filed: 03/27/2019
• Issued: 11/03/2020
• Est. Priority Date: 09/28/2016
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Luo, Jun, Liu, Yalin, Liu, Jin
• Primary Examiner(s): Moutaouakil, Mounir
• Application Number:
  US16/366,679
• Publication Number:
  US 20190223041A1
• Time in Patent Office: 587 Days
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 72/1268 of uplink data flows
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

Embodiments of this application provide a resource management indication method and apparatus. The method includes: generating, by a base station, radio resource management RRM measurement manner indication information, where the RRM measurement manner indication information is used to indicate an RRM measurement manner; and sending, by the base station, the RRM measurement manner indication information to a terminal. In the embodiments of this application, the base station can flexibly indicate the RRM measurement manner to the terminal, so that a more proper RRM measurement manner is used, to improve measurement efficiency and reduce measurement overheads.

Claims

1. A method of radio resource management (RRM) indication and measurement, comprising:

generating, by a base station, RRM measurement manner indication information used to indicate an RRM measurement manner; and

sending, by the base station to a terminal, the RRM measurement manner indication information, wherein the RRM measurement manner comprises one or more of the following;

uplink assisted downlink RRM measurement to indicate that the base station adjusts, based on an uplink measurement signal from the terminal, sending of a downlink measurement signal, and receives a measurement result reported by the terminal; and

downlink assisted uplink RRM measurement to indicate that the terminal adjusts, based on a downlink measurement signal from the base station, sending of an uplink measurement signal, and the base station performs RRM measurement,

wherein;

in response to the RRM measurement manner being the uplink assisted downlink RRM measurement, the method further comprises;

receiving, by the base station, the uplink measurement signal from the terminal;

adjusting, by the base station based on the uplink measurement signal, the sending of the downlink measurement signal, wherein the adjusting includes adjusting a sending period of the downlink measurement signal or adjusting a base station that sends the downlink measurement signal to the terminal; and

receiving, by the base station, the downlink measurement result that is obtained by the terminal through measurement based on the downlink measurement signal and that is from the terminal.

2. The method according to claim 1, wherein the RRM measurement manner indication information is carried in any one of the following messages:

radio resource control RRC signaling, a downlink control information DCI message, a paging message, and a Media Access Control MAC control element CE message.

3. The method according to claim 1, wherein the adjusting, by the base station based on the uplink measurement signal, the sending of the downlink measurement signal comprises:

obtaining, by the base station, an uplink measurement result based on the uplink measurement signal; and

selecting, by the base station based on the uplink measurement result, one or more base stations in a network to which the base station belongs, to send the downlink measurement signal to the terminal.

4. The method according to claim 1, wherein in response to the RRM measurement manner being the downlink assisted uplink RRM measurement, the method further comprises:

sending, by the base station, the downlink measurement signal to the terminal, so that the terminal adjusts, based on the downlink measurement signal, the sending of the uplink measurement signal, wherein the downlink measurement signal is used to adjust a sending period of the uplink measurement signal; and

receiving, by the base station, the uplink measurement signal from the terminal, to perform the RRM measurement, wherein the uplink measurement signal is sent by the terminal in an adjusted manner.

5. The method according to claim 1, wherein the method further comprises:

obtaining, by the base station, the uplink measurement signal from the terminal, and determining an updated RRM measurement manner based on the uplink measurement signal; and

sending, by the base station, updated RRM measurement manner indication information to the terminal, wherein the updated RRM measurement manner indication information is used to indicate the updated RRM measurement manner.

6. The method according to claim 1, wherein the method further comprises:

obtaining, by the base station, a downlink measurement result from the terminal based on the downlink measurement signal, and determining an updated RRM measurement manner based on the downlink measurement result; and

sending, by the base station, updated RRM measurement manner indication information to the terminal, wherein the updated RRM measurement manner indication information is used to indicate the updated RRM measurement manner.

7. The method according to claim 1, wherein the generating, by a base station, radio resource management RRM measurement manner indication information comprises:

determining, by the base station when a basic parameter satisfies a preset condition, an RRM measurement manner corresponding to the preset condition; and

generating, by the base station, the RRM measurement manner indication information based on the RRM measurement manner.

8. The method according to claim 7, wherein the basic parameter comprises one or a combination of a plurality of the following:

a quantity of neighboring base stations of the base station;

a quantity of base stations in a cell in which the base station is located;

a quantity of terminals served by the base station;

a quantity of terminals in an active state that are served by the base station;

a period in which a terminal served by the base station sends an uplink measurement signal;

or

a measurement result determined by the base station based on an uplink measurement signal from a terminal.

9. The method according to claim 1, further comprising:

dynamically adjusting the RRM measurement manner from uplink assisted downlink RRM measurement to downlink assisted uplink RRM measurement or from downlink assisted uplink RRM measurement to uplink assisted downlink RRM measurement.

10. A method of radio resource management (RRM) indication and measurement, comprising:

receiving, by a terminal from a base station, RRM measurement manner indication information used to indicate an RRM measurement manner to the terminal; and

performing, by the terminal, RRM measurement based on the RRM measurement manner, wherein the RRM measurement manner comprises one or more of the following;

uplink assisted downlink RRM measurement to indicate that the base station adjusts, based on an uplink measurement signal from the terminal, sending of a downlink measurement signal, and receives a measurement result reported by the terminal; and

downlink assisted uplink RRM measurement to indicate that the terminal adjusts, based on a downlink measurement signal from the base station, sending of an uplink measurement signal, and the base station performs RRM measurement,

wherein in response to the RRM measurement manner being the uplink assisted downlink RRM measurement, the method further comprises;

sending, by the terminal, the uplink measurement signal to the base station, wherein the uplink measurement signal is used to adjust a sending period of a downlink measurement signal, or the uplink measurement signal is used to adjust one or more base stations in a network to which the base station belongs that sends the downlink measurement signal;

receiving a downlink measurement signal from one or more base stations in a network to which the base station belongs; and

obtaining, by the terminal, a downlink measurement result based on the downlink measurement signal, and sending the downlink measurement result to the base station.

11. The method according to claim 10, wherein the RRM measurement manner indication information is carried in any one of the following messages:

radio resource control RRC signaling, a DCI message, a paging message, and a Media Access Control MAC CE message.

12. The method according to claim 10, wherein in response to the RRM measurement manner being the downlink assisted uplink RRM measurement, the performing, by the terminal, RRM measurement based on the RRM measurement manner comprises:

receiving, by the terminal, the downlink measurement signal from the base station; and

adjusting, by the terminal based on the downlink measurement signal, the sending of the uplink measurement signal, wherein the adjusting includes adjusting a sending period of the uplink measurement signal, or adjusting the base stations to which the uplink measurement signal is sent.

13. The method according to claim 10, further comprising:

dynamically adjusting the RRM measurement manner from uplink assisted downlink RRM measurement to downlink assisted uplink RRM measurement or from downlink assisted uplink RRM measurement to uplink assisted downlink RRM measurement.

14. A radio resource management (RRM) indication and measurement apparatus, comprising:

a processor, configured to generate RRM measurement manner indication information used to indicate an RRM measurement manner; and

a transmitter, configured to send to a terminal the RRM measurement manner indication information, wherein the RRM measurement manner comprises one or more of the following;

uplink assisted downlink RRM measurement to indicate that the base station adjusts, based on an uplink measurement signal from the terminal, sending of a downlink measurement signal, and receives a measurement result reported by the terminal; and

downlink assisted uplink RRM measurement to indicate that the terminal adjusts, based on a downlink measurement signal from the base station, sending of an uplink measurement signal, and the base station performs RRM measurement,

wherein the apparatus further comprises a receiver and wherein in response to the RRM measurement manner being the uplink assisted downlink RRM measurement,

the receiver is configured to receive the uplink measurement signal from the terminal;

the processor is configured to adjust, based on the uplink measurement signal, the sending of the downlink measurement signal, wherein the adjust includes adjusting a sending period of the downlink measurement signal or adjusting a base station that sends the downlink measurement signal to the terminal; and

the receiver is further configured to receive the downlink measurement result that is obtained by the terminal through measurement based on the downlink measurement signal and that is from the terminal.

15. The apparatus according to claim 14, wherein the RRM measurement manner indication information may be carried in any one of the following messages:

radio resource control RRC signaling, a downlink control information DCI message, a paging message, and a Media Access Control MAC control element CE message.

16. The apparatus according to claim 14, further comprising:

dynamically adjust the RRM measurement manner from uplink assisted downlink RRM measurement to downlink assisted uplink RRM measurement or from downlink assisted uplink RRM measurement to uplink assisted downlink RRM measurement.

17. A radio resource management (RRM) indication and measurement apparatus, comprising:

a receiver, configured to receive from a base station RRM measurement manner indication information used to indicate an RRM measurement manner to the apparatus; and

a processor, configured to perform RRM measurement based on the RRM measurement manner, wherein the RRM measurement manner comprises any one or more of the following;

uplink assisted downlink RRM measurement to indicate that the base station adjusts, based on an uplink measurement signal from a terminal, sending of a downlink measurement signal, and receives a measurement result reported by the terminal; and

downlink assisted uplink RRM measurement to indicate that the terminal adjusts, based on a downlink measurement signal from the base station, sending of an uplink measurement signal, and the base station performs RRM measurement,

wherein in response to the RRM measurement manner being the uplink assisted downlink RRM measurement, the perform the RRM measurement based on the RRM measurement manner comprises;

send the uplink measurement signal to the base station, wherein the uplink measurement signal is used to adjust a sending period of a downlink measurement signal, or the uplink measurement signal is used to adjust one or more base stations in a network to which the base station belongs that sends the downlink measurement signal;

receive a downlink measurement signal from one or more base stations in a network to which the base station belongs; and

obtain a downlink measurement result based on the downlink measurement signal, and sending the downlink measurement result to the base station.

18. The apparatus according to claim 17, wherein the RRM measurement manner indication information is carried in any one of the following messages:

radio resource control RRC signaling, a DCI message, a paging message, and a Media Access Control MAC CE message.

19. The apparatus according to claim 17, wherein when the RRM measurement manner is the downlink assisted uplink RRM measurement,

the processor is configured to:

receive, by using the receiver, the downlink measurement signal from the base station; and

adjust, based on the downlink measurement signal, the sending of the uplink measurement signal.

20. The apparatus according to claim 17, further comprising:

dynamically adjust the RRM measurement manner from uplink assisted downlink RRM measurement to downlink assisted uplink RRM measurement or from downlink assisted uplink RRM measurement to uplink assisted downlink RRM measurement.