IP Library › Granted Patent US 12713317
Granted Patent B2
US 12713317 · App. 18/476,695 · Granted Aug 18, 2026

5G new radio mobility enhancements

Inventors: Shadi Iskander (Ergolding, DE); Tamer Adel Darweesh Hassan Darweesh (Munich, DE)
Assignee: Apple Inc.
H04W36/24H04W24/08H04W36/0061H04W36/0085
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Quick Facts
Patent No.
US 12713317
App. No.
18/476,695
Filed
Sep 28, 2023
Granted
Aug 18, 2026
Kind
B2
Art Unit
2641
USPC
455/436
Abstract

A user equipment (UE) is configured to receive an inter-frequency measurement configuration comprising a plurality of frequencies, wherein neighbor cells transmit at at least one of the frequencies, the inter-frequency measurement configuration further comprising a priority associated with each of the frequencies, performing the frequency measurements of the neighbor cells according to the inter-frequency measurement configuration and reporting inter-frequency measurement results of the neighbor cells according to the priority in the inter-frequency measurement configuration.

Claims (67)

1 . A processor of a user equipment (UE) configured to perform operations comprising:

receiving, from a serving cell, an inter-frequency measurement configuration comprising a first frequency, a second frequency, and

an indication that the second frequency has a higher priority than the first frequency;

performing inter-frequency measurements of neighbor cells according to the inter-frequency measurement configuration;

determining if any of the inter-frequency measurements satisfy a measurement reporting criteria;

when a measurement of a first neighbor cell satisfies the measurement reporting criteria,

determining whether measurement of the first neighbor cell is for the first frequency or the second frequency; and

when the measurement of the first neighbor cell is on the second frequency, reporting the measurement of the first neighbor cell to the serving cell;

wherein, the measurement of the first neighbor cell is on the first frequency, the operations further comprise:

determining a second neighbor cell has not been measured on the second frequency; and

starting a timeToTrigger (TTT) timer for the measurement of the first neighbor cell.

2 . The processor of claim 1 , wherein, when the measurement of the first neighbor cell is on the first frequency, the operations further comprise:

determining a measurement of a second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell.

3 . The processor of claim 1 , wherein the operations further comprise:

determining a measurement of the second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell when the TTT timer for the measurement of the first neighbor cell expires.

4 . The processor of claim 1 , wherein the operations further comprise:

determining a measurement of the second neighbor cell on the second frequency satisfied the measurement reporting criteria;

starting a TTT timer for the measurement of the second neighbor cell; and

reporting the measurement of the first neighbor cell and the second neighbor cell to the serving cell when the TTT timer for the measurement of the second neighbor cell expires.

5 . A user equipment (UE), comprising:

a transceiver configured to communicate with a serving cell; and

a processor communicatively coupled to the transceiver and configured to perform operations comprising:

receiving, from the serving cell, an inter-frequency measurement configuration comprising a first frequency, a second frequency, and

an indication that the second frequency has a higher priority than the first frequency;

performing inter-frequency measurements of neighbor cells according to the inter-frequency measurement configuration;

determining if any of the inter-frequency measurements satisfy a measurement reporting criteria;

when a measurement of a first neighbor cell satisfies the measurement reporting criteria,

determining whether measurement of the first neighbor cell is for the first frequency or the second frequency; and

when the measurement of the first neighbor cell is on the second frequency,

reporting the measurement of the first neighbor cell to the serving cell;

wherein, the measurement of the first neighbor cell is on the first frequency, the operations further comprise:

determining a second neighbor cell has not been measured on the second frequency; and

starting a timeToTrigger (TTT) timer for the measurement of the first neighbor cell.

6 . The UE of claim 5 , wherein, when the measurement of the first neighbor cell is on the first frequency, the operations further comprise:

determining a measurement of a second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell.

7 . The UE of claim 5 , wherein the operations further comprise:

determining a measurement of the second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell when the TTT timer for the measurement of the first neighbor cell expires.

8 . The UE of claim 5 , wherein the operations further comprise:

determining a measurement of the second neighbor cell on the second frequency satisfied the measurement reporting criteria;

starting a TTT timer for the measurement of the second neighbor cell; and

reporting the measurement of the first neighbor cell and the second neighbor cell to the serving cell when the TTT timer for the measurement of the second neighbor cell expires.

9 . A method, comprising:

receiving, from a serving cell, an inter-frequency measurement configuration comprising a first frequency, a second frequency, and

an indication that the second frequency has a higher priority than the first frequency;

performing inter-frequency measurements of neighbor cells according to the inter-frequency measurement configuration;

determining if any of the inter-frequency measurements satisfy a measurement reporting criteria;

when a measurement of a first neighbor cell satisfies the measurement reporting criteria,

determining whether measurement of the first neighbor cell is for the first frequency or the second frequency; and

when the measurement of the first neighbor cell is on the second frequency,

reporting the measurement of the first neighbor cell to the serving cell;

wherein, the measurement of the first neighbor cell is on the first frequency, the method further comprising:

determining a second neighbor cell has not been measured on the second frequency; and

starting a timeToTrigger (TTT) timer for the measurement of the first neighbor cell.

10 . The method of claim 9 , wherein, when the measurement of the first neighbor cell is on the first frequency, the method further comprising:

determining a measurement of a second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell.

11 . The method of claim 9 , further comprising:

determining a measurement of the second neighbor cell on the second frequency did not satisfy the measurement reporting criteria; and

reporting the measurement of the first neighbor cell to the serving cell when the TTT timer for the measurement of the first neighbor cell expires.

12 . The method of claim 9 , further comprising:

determining a measurement of the second neighbor cell on the second frequency satisfied the measurement reporting criteria;

starting a TTT timer for the measurement of the second neighbor cell; and

reporting the measurement of the first neighbor cell and the second neighbor cell to the serving cell when the TTT timer for the measurement of the second neighbor cell expires.