Granted Patent B2

US 12,615,562 · App. 17/936,094 · Granted Apr 28, 2026

Inventors: Xin Xu (Palo Alto, CA); Yongsheng Shi (Palo Alto, CA)

Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

H04W36/0058H04W36/00837H04W36/08H04W76/20

Abstract

Claims (70)

1 . A method for adjusting cell measurement executable in a user equipment (UE), comprising:

determining wireless communication throughput of the UE is lower than a threshold; and

adjusting a cell measurement result of a serving cell, wherein the adjusted cell measurement result is used to steer the UE to a neighbor cell;

wherein adjusting the cell measurement result of the serving cell comprises:

applying a specific offset to the cell measurement result of the serving cell without applying the specific offset to a cell measurement result of the neighbor cell to steer the UE away from the serving cell to the neighbor cell, according to the following formula (1):

M cell ′=M cell +Penalty Offset  (1)

wherein M cell ′ is the adjusted cell measurement result, M cell is the cell measurement result of the serving cell, and Penalty Offset is the specific offset;

wherein the method further comprises:

activating a RAT disabling procedure when a handover command message is not received by the UE after transmitting a cell measurement report indicating low wireless communication throughput to a network entity for a period of time.

2 . The method for adjusting cell measurement of claim 1 , wherein the threshold is a specific threshold.

3 . The method for adjusting cell measurement of claim 2 , wherein the specific threshold is a cell specific threshold for triggering cell deprioritizing, and adjusting the cell measurement result of the serving cell comprises:

applying a cell specific offset to the cell measurement result of the serving cell to steer the UE to the neighbor cell when wireless communication throughput of the UE is lower than the cell specific threshold.

4 . The method for adjusting cell measurement of claim 3 , further comprising:

transmitting the cell measurement report comprising the cell measurement result adjusted by the cell specific offset to the network entity;

receiving radio resource control (RRC) connection reconfiguration from the network entity, wherein the RRC connection reconfiguration comprises the handover command message to steer the UE to the neighbor cell; and

transmitting an RRC connection reconfiguration complete message to the network entity.

5 . The method for adjusting cell measurement of claim 2 , wherein the specific threshold is a radio access technology (RAT) specific threshold for triggering RAT deprioritizing, and adjusting the cell measurement result of the serving cell comprises:

applying a RAT specific offset to cell measurement results of cells of a first type of RAT to steer the UE to a cell of a second type of RAT when wireless communication throughput of the UE on the first type of RAT is lower than the RAT specific threshold.

6 . The method for adjusting cell measurement of claim 1 , further comprising:

performing a handover procedure to handover the UE from the serving cell with high cell reselection priority to the neighbor cell with low cell reselection priority, and, after the handover procedure, the serving cell is referred to a previous serving cell, and the neighbor cell is referred to as a current serving cell.

7 . The method for adjusting cell measurement of claim 6 , wherein when the UE is in an idle mode, the method further comprises:

determining whether a first type of RAT of the previous serving cell is the same as a second type of RAT of the current serving cell;

overriding cell reselection priority of a frequency of the previous serving cell to a lower priority value to deprioritize the previous serving cell when the first type of RAT of the previous serving cell is the same as the second type of RAT of the current serving cell; and

overriding cell reselection priority of cells of the first type of RAT to a lower priority value to deprioritize the first type of RAT when the first type of RAT of the previous serving cell is different from the second type of RAT of the current serving cell.

8 . The method for adjusting cell measurement of claim 1 , wherein the RAT disabling procedure comprises:

displaying a graphical user interface to show that the RAT disabling procedure is suggested;

disabling a congested RAT and searching a telecommunication network for a different type of RAT with second highest priority in response to a user operation that permit disabling of the congested RAT;

camping the UE on another cell that operates the different type of RAT with second highest priority; and

restoring data connection on the different type of RAT.

9 . A user equipment (UE), comprising:

a processor; and

a memory configured to store instructions which, when executed by the processor, cause the processor to execute the following steps:

determining wireless communication throughput of the UE is lower than a threshold; and

adjusting a cell measurement result of a serving cell, wherein the adjusted cell measurement result is used to steer the UE to a neighbor cell;

wherein the processor further executes:

applying a specific offset to the cell measurement result of the serving cell without applying the specific offset to a cell measurement result of the neighbor cell to steer the UE away from the serving cell to the neighbor cell, according to the following formula (1):

M cell ′=M cell +Penalty Offset  (1)

wherein M cell ′ is the adjusted cell measurement result, M cell is the cell measurement result of the serving cell, and Penalty Offset is the specific offset;

wherein the processor further executes:

activating a RAT disabling procedure when a handover command message is not received by the UE after transmitting a cell measurement report indicating low wireless communication throughput to a network entity for a period of time.

10 . The user equipment of claim 9 , wherein the threshold is a specific threshold.

11 . The user equipment of claim 10 , wherein the specific threshold is a cell specific threshold for triggering cell deprioritizing, and the processor further executes:

applying a cell specific offset to the cell measurement result of the serving cell to steer the UE to the neighbor cell when wireless communication throughput of the UE is lower than the cell specific threshold.

12 . The user equipment of claim 11 , wherein the processor further executes:

transmitting the cell measurement report comprising the cell measurement result adjusted by the cell specific offset to the network entity;

receiving radio resource control (RRC) connection reconfiguration from the network entity, wherein the RRC connection reconfiguration comprises the handover command message to steer the UE to the neighbor cell; and

transmitting an RRC connection reconfiguration complete message to the network entity.

13 . The user equipment of claim 10 , wherein the specific threshold is a radio access technology (RAT) specific threshold for triggering RAT deprioritizing, and the processor further executes:

applying a RAT specific offset to cell measurement results of cells of a first type of RAT to steer the UE to a cell of a second type of RAT when wireless communication throughput of the UE on the first type of RAT is lower than the RAT specific threshold.

14 . The user equipment of claim 9 , wherein the processor further executes:

performing a handover procedure to handover the UE from the serving cell with high cell reselection priority to the neighbor cell with low cell reselection priority, and, after the handover procedure, the serving cell is referred to a previous serving cell, and the neighbor cell is referred to as a current serving cell.

15 . The user equipment of claim 14 , wherein when the UE is in an idle mode, the processor further executes:

determining whether a first type of RAT of the previous serving cell is the same as a second type of RAT of the current serving cell;

overriding cell reselection priority of a frequency of the previous serving cell to a lower priority value to deprioritize the previous serving cell when the first type of RAT of the previous serving cell is the same as the second type of RAT of the current serving cell; and

overriding cell reselection priority of cells of the first type of RAT to a lower priority value to deprioritize the first type of RAT when the first type of RAT of the previous serving cell is different from the second type of RAT of the current serving cell.

16 . The user equipment of claim 9 , wherein the RAT disabling procedure comprises:

displaying a graphical user interface to show that the RAT disabling procedure is suggested;

disabling a congested RAT and searching a telecommunication network for a different type of RAT with second highest priority in response to a user operation that permit disabling of the congested RAT;

camping the UE on another cell that operates the different type of RAT with second highest priority; and

restoring data connection on the different type of RAT.

17 . A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program causes a computer to execute the following steps:

determining wireless communication throughput of a user equipment (UE) is lower than a threshold; and

adjusting a cell measurement result of a serving cell, wherein the adjusted cell measurement result is used to steer the UE to a neighbor cell;

wherein the computer program further causes the computer to execute:

applying a specific offset to the cell measurement result of the serving cell without applying the specific offset to a cell measurement result of the neighbor cell to steer the UE away from the serving cell to the neighbor cell, according to the following formula (1):

M cell ′=M cell +Penalty Offset  (1)

wherein M cell ′ is the adjusted cell measurement result, M cell is the cell measurement result of the serving cell, and Penalty Offset is the specific offset;

wherein the processor further executes:

activating a RAT disabling procedure when a handover command message is not received by the UE after transmitting a cell measurement report indicating low wireless communication throughput to a network entity for a period of time.

18 . The non-transitory computer readable storage medium of claim 17 , wherein the threshold is a specific threshold.

Assignments (1)

Continuity (3)

References Cited (73)