Mobility measurement method, apparatus, and communication device

Patent metadata

Field	Value
Publication number	US-12425893-B2
Application number	US-202217960165-A
Country	US
Kind code	B2
Filing date	Oct 5, 2022
Priority date	Apr 10, 2020
Publication date	Sep 23, 2025
Grant date	Sep 23, 2025

Abstract

Embodiments of this application disclose a mobility measurement method, an apparatus, and a communication device, and relate to the field of communication technologies, to determine a scaling factor in CSI-RS based mobility measurement, and implement the CSI-RS based mobility measurement. A specific solution is: receiving a first configuration message, where the first configuration message is used to configure a first MO, and the first MO includes one or more CSI-RS resources; and determining a scaling factor of the first MO depending on whether there is a CSI-RS resource in the first MO that completely coincides with a gap, to perform mobility measurement on the first MO.

First claim

What is claimed is:

1. A mobility measurement method, comprising:
receiving a configuration message, wherein the configuration message is used to configure a measurement object (MO), and the MO comprises one or more channel state information reference signal (CSI-RS) resources; and
determining a scaling factor of the MO depending on whether there is at least one CSI-RS resource of the one or more CSI-RS resources in the MO that completely coincides with a measurement gap, to perform mobility measurement on the MO, wherein determining the scaling factor comprises determining a carrier-specific scaling factor within the measurement gap (CSSFwithingap) based on a CSI-RS periodicity of the MO and a longest periodicity of CSI-RS resources that completely coincide with the measurement gap.

2. The mobility measurement method according to claim 1 , wherein the MO is a first MO, and the determining the scaling factor of the first MO depending on whether there is at least one CSI-RS resource of the one or more CSI-RS resources in the first MO that completely coincides with the measurement gap comprises:
in response to determining that there is at least one CSI-RS resource of the one or more CSI-RS resources in the first MO that completely coincides with the measurement gap, determining a CSSFwithingap of the first MO based on the first MO and at least one contention MO different from the first MO that needs to contend for the measurement gap, and determining the CSSFwithingap as the scaling factor of the first MO; or
in response to determining that there is no CSI-RS resource of the one or more CSI-RS resources in the first MO that completely coincides with the measurement gap, determining a carrier-specific scaling factor outside the measurement gap (CSSFoutsidegap) of the first MO based on the first MO and an outside MO different from the first MO measured outside the measurement gap, and determining the scaling factor of the first MO based on the CSSFoutsidegap.

3. The mobility measurement method according to claim 2 , wherein
the contention MO that needs to contend for the measurement gap comprises one or more of a second MO or a third MO;
there is at least one CSI-RS resource in the second MO that completely coincides with the measurement gap; and
the third MO comprises a synchronization signal block (SSB) resource that coincides with the measurement gap, wherein the SSB resource is at least one of an SSB for mobility measurement configured by a network device, or an associated SSB (associatedSSB) carried in the first MO.

4. The mobility measurement method according to claim 3 , wherein
the configuration message is further used to configure the third MO; or
the first MO carries an associatedSSB identifier, and the associatedSSB identifier indicates to perform mobility measurement on the third MO.

5. The mobility measurement method according to claim 3 , wherein the configuration message is a first configuration message, and the method further comprises:
receiving a second configuration message, wherein the second configuration message is used to configure the third MO.

6. The mobility measurement method according to claim 2 , wherein the outside MO measured outside the measurement gap comprises at least one of a second MO or a third MO;
there is no CSI-RS resource in the second MO that completely coincides with the measurement gap; and
there is no synchronization signal block (SSB) resource in the third MO that completely coincides with the measurement gap.

7. The mobility measurement method according to claim 6 , wherein
the configuration message is further used to configure the third MO; or
the first MO carries an (associatedSSB) identifier, and the associatedSSB identifier indicates to perform mobility measurement on the third MO.

8. The mobility measurement method according to claim 6 , wherein the configuration message is a first configuration message, and the method further comprises:
receiving a second configuration message, wherein the second configuration message is used to configure the third MO.

9. The mobility measurement method according to claim 1 , wherein
the CSI-RS periodicity of the MO is the longest periodicity of the one or more CSI-RS resources in the MO, or
the CSI-RS periodicity of the MO is the longest periodicity of the at least one CSI-RS resource of the one or more CSI-RS resources in the MO that completely coincides with the measurement gap.

10. A communication device, comprising:
one or more processors; and
one or more memories coupled to the one or more processors, wherein the one or more memories store computer instructions that, when executed by the one or more processors, cause the communication device to perform the mobility measurement method according to claim 1 .

11. A system, comprising:
a processing circuit; and
an interface,
wherein the processing circuit is configured to invoke a computer program stored in a storage medium, and run the computer program stored in the storage medium, to perform the mobility measurement method according to claim 1 .

12. A non-transitory computer-readable storage medium having instructions stored thereon that, when executed by a processor, cause an apparatus to perform the mobility measurement method according to claim 1 .

13. A mobility measurement method, comprising:
receiving a configuration message, wherein the configuration message is used to configure a first measurement object (MO), and the first MO comprises one or more channel state information reference signal (CSI-RS) resources; and
determining a carrier-specific scaling factor outside a measurement gap (CSSFoutsidegap) of the first MO based on the first MO and an outside MO measured outside the measurement gap, and determining a scaling factor of the first MO based on the CSSFoutsidegap, to perform mobility measurement on the first MO, wherein determining the CSSFoutsidegap is based on a CSI-RS periodicity of the first MO and a longest periodicity of CSI-RS resources in the first MO.

14. The mobility measurement method according to claim 13 , wherein
the outside MO measured outside the measurement gap comprises one or more of a second MO or a third MO;
there is no CSI-RS resource in the second MO that completely coincides with the measurement gap; and
there is no synchronization signal block (SSB) resource that is in the third MO and that completely coincides with the measurement gap, wherein the SSB resource is at least one of an SSB for mobility measurement configured by a network device, or an associated SSB (associatedSSB) carried in the first MO.

15. The mobility measurement method according to claim 14 , wherein
the configuration message is further used to configure the third MO; or
the first MO carries an associatedSSB identifier, and the associatedSSB identifier indicates to perform mobility measurement on the third MO.

16. The mobility measurement method according to claim 14 , wherein the configuration message is a first configuration message, and the method further comprises:
receiving a second configuration message, wherein the second configuration message is used to configure the third MO.

17. The mobility measurement method according to claim 13 , wherein the CSI-RS periodicity of the first MO is the longest periodicity of the one or more CSI-RS resources in the first MO.

Assignees

• Huawei Tech Co Ltd

Inventors

• Han Jing
• Zhang Li

Classifications

• H04L1/0693

  Partial feedback, e.g. partial channel state information [CSI] · CPC title

• H04W24/08 Primary

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04W24/10 Primary

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title