System and method for supporting measurements and mobility in a wireless communications system

Patent metadata

Field	Value
Publication number	US-11864014-B2
Application number	US-202017112584-A
Country	US
Kind code	B2
Filing date	Dec 4, 2020
Priority date	Jun 6, 2018
Publication date	Jan 2, 2024
Grant date	Jan 2, 2024

Abstract

A method for mobility management implemented by a user equipment (UE) includes measuring a reference signal thereby producing mobility measurements for a mobility procedure, wherein the reference signal is associated with one of a cell or a bandwidth part (BWP), and scaling the mobility measurements in accordance with at least one BWP parameter.

First claim

What is claimed is:

1. A method for mobility management implemented by a user equipment (UE), the method comprising:
measuring, by the UE, a reference signal to obtain mobility measurements for a mobility procedure, the reference signal associated with a cell or a bandwidth part (BWP); and
scaling, by the UE, the mobility measurements in accordance with at least one BWP parameter; and
reporting, by the UE, at least one of the mobility measurements or the scaled mobility measurements.

2. The method of claim 1 , further comprising:
measuring, by the UE, a BWP-specific reference signal associated with the BWP to obtain BWP-specific mobility measurements in response to determining that the BWP-specific reference signal associated with the BWP is available;
scaling, by the UE, the BWP-specific mobility measurements to obtain scaled BWP-specific mobility measurements; and
reporting, by the UE, the BWP-specific mobility measurements.

3. The method of claim 1 , wherein the mobility measurements comprise cell-specific mobility measurements and BWP-specific mobility measurements.

4. The method of claim 1 , wherein the scaled mobility measurements comprise cell-specific mobility measurements and BWP-specific mobility measurements.

5. The method of claim 4 , further comprising:
combining, by the UE, scaled cell-level mobility measurements and BWP-level mobility measurements to obtain a combined measurement; and
determining, by the UE, a harmonized mobility decision in accordance with the combined measurement.

6. The method of claim 1 , further comprising:
determining, by the UE, a cell-level mobility decision in accordance with the mobility measurements;
refining, by the UE, the cell-level mobility decision in accordance with the scaled mobility measurements in response to determining that a BWP-specific reference signal associated with the BWP is available; and
reporting, by the UE, the refined cell-level mobility decision.

7. The method of claim 1 , further comprising:
measuring, by the UE, a BWP-specific reference signal to obtain BWP-level mobility measurements in response to determining that the BWP-specific reference signal is available; and
determining, by the UE, a BWP-level mobility decision in accordance with the BWP-level mobility measurements.

8. The method of claim 7 , further comprising:
scaling, by the UE, the BWP-level mobility measurements in accordance with parameters of a BWP configuration of the BWP in response to determining that the BWP configuration of the BWP is available;
determining, by the UE, a refined BWP-level mobility decision based on the scaled BWP-level mobility measurements; and
reporting, by the UE, at least one of the scaled BWP-level mobility measurements or the refined BWP-level mobility decision.

9. The method of claim 7 , further comprising:
determining, by the UE, a refined cell-level mobility decision in accordance with at least one of a scaled cell-specific mobility measurement in response to determining that a BWP configuration of the BWP is available, the BWP-level mobility decision, or the BWP-level mobility measurements, and
performing, by the UE, a cell-level mobility process based on the refined cell-level mobility decision.

10. The method of claim 1 , wherein the at least one BWP parameter includes a bandwidth (BW) of the BWP.

11. The method of claim 1 , wherein the at least one BWP parameter includes a subcarrier spacing (SCS) of the BWP.

12. The method of claim 1 , wherein the at least one BWP parameter includes a cyclic prefix (CP) of the BWP.

13. The method of claim 1 , wherein the at least one BWP parameter includes a BW of the cell.

14. The method of claim 1 , wherein the at least one BWP parameter includes a bandwidth of a carrier.

15. The method of claim 1 , wherein the at least one BWP parameter includes a central frequency of the BWP, the cell, or a carrier.

16. A user equipment (UE) comprising:
a processor; and
a non-transitory computer readable storage medium storing programming for execution by the processor, the programming including instructions to:
measure a reference signal to obtain mobility measurements for a mobility procedure, the reference signal associated with a cell or a bandwidth part (BWP); and
scale the mobility measurements in accordance with at least one BWP parameter; and
report at least one of the mobility measurements or the scaled mobility measurements.

17. The UE of claim 16 , the programming further including instructions to:
measure a BWP-specific reference signal associated with the BWP to obtain BWP-specific mobility measurements in response to determining that the BWP-specific reference signal associated with the BWP is available;
scale the BWP-specific mobility measurements to obtain scaled BWP-specific mobility measurements; and
report the BWP-specific mobility measurements.

18. The UE of claim 16 , wherein the mobility measurements comprise cell-specific mobility measurements and BWP-specific mobility measurements.

19. The UE of claim 16 , wherein the scaled mobility measurements comprise cell-specific mobility measurements and BWP-specific mobility measurements.

20. The UE of claim 19 , the programming further including instructions to:
combine scaled cell-level mobility measurements and MVP-level mobility measurements to obtain a combined measurement; and
determine a harmonized mobility decision in accordance with the combined measurement.

Assignees

• Huawei Tech Co Ltd

Inventors

• Sang Aimin Justin
• Zou Jialin
• Al-Shalash Mazin Ali
• Wang Xuelong

Classifications

• H04W36/302

  due to low signal strength · CPC title

• H04W36/08

  Reselecting an access point · CPC title

• H04W24/10 Primary

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

• H04W48/20

  Selecting an access point · CPC title

• H04W36/0094

  Definition of hand-off measurement parameters · CPC title