CN-122002400-A - Method executed by user equipment and user equipment

Abstract

The invention provides a method executed by user equipment and the user equipment. The method comprises the steps of receiving MIB information sent by a network, wherein the MIB information comprises first information used for indicating whether a cell is forbidden or not and second information used for indicating whether the cell is an OD-SIB1 cell or not, determining whether the cell is forbidden or not according to the first information contained in the received MIB information and determining whether the cell is the OD-SIB1 cell or not according to the second information contained in the received MIB information, and judging whether the cell can be used as a candidate in a cell selection and/or cell reselection process or not.

Inventors

• LIU LEI
• LIU RENMAO

Assignees

• 夏普株式会社

Dates

Publication Date

20260508

Application Date

20241105

Claims (9)

1. 1. A method performed by a user equipment, UE, comprising the steps of: Receiving MIB information sent by a network, wherein the MIB information comprises first information for indicating whether a cell is forbidden or not and second information for indicating whether the cell is an OD-SIB1 cell or not; determining whether the cell is barred based on the first information contained in the received MIB message and determining whether the cell is an OD-SIB1 cell based on the second information contained in the received MIB message, and And judging whether the cell can be used as a candidate in a cell selection and/or cell reselection process.
2. 2. The method of claim 1, wherein, In the step of determining whether the cell can be a candidate in a cell selection and/or cell reselection procedure, at least one of the following conditions is determined: -cell status is indicated as not barred, or the cell is not barred; -the cell is an OD-SIB1 cell, or the cell does not transmit SIB1, or the cell does not broadcast SIB1, and -The UE has a SIB1 request configuration for the cell or the UE has a valid SIB1 request configuration for the cell.
3. 3. The method of claim 2, wherein, In case at least one of the above conditions is fulfilled, the UE takes the cell as a candidate cell in a cell selection and/or cell reselection procedure.
4. 4. The method of claim 2, wherein, In case at least one of the above conditions is satisfied, the UE regards the cell as a candidate cell in a cell selection and/or cell reselection procedure if the UE is a NES UE, and regards the cell as barred in a cell selection and/or cell reselection procedure if the UE is not a NES UE.
5. 5. A method performed by a user equipment, UE, comprising the steps of: Receiving MIB information sent by a network, wherein the MIB information comprises first information for indicating whether a cell is forbidden or not and second information for indicating whether the cell is an OD-SIB1 cell or not; Determining whether the cell is forbidden according to the first information contained in the received MIB message, and determining whether the cell is an OD-SIB1 cell according to the second information contained in the received MIB message; For an OD-SIB1 cell determined to be uninhibited, further determining whether the cell is barred based on whether the UE has an SIB1 request configuration for the cell, and And receiving system information and/or RRC proprietary information sent by a network, and considering the cell as uninhibited or considering that the inhibition of the cell is released under the condition that the system information and/or RRC proprietary information contains SIB1 request configuration of the cell.
6. 6. The method of claim 5, wherein, In the step of considering the cell as not being barred or considering the cell as being released from the prohibition, at least one of the following operations is performed: -considering the cell as not barred; -if the cell is barred, the UE deems the cell to be barred, and -If the cell is barred due to no SIB1 requesting configuration, the UE deems the barred of the cell to be released.
7. 7. A method performed by a user equipment, UE, comprising the steps of: Initiating SIB1 request flow, triggering or initiating random access flow, and Determining whether to execute the random access procedure triggered by the SIB1 request, In case that one random access procedure is triggered by the request of SIB1 and there is another ongoing random access procedure in the MAC entity, at least one of the following conditions is judged: -the ongoing random access procedure is not triggered by the request of SIB 1; -the cell reception level value of the serving cell in which the UE is currently camping is less than or equal to a reception level threshold value, and The cell quality of the serving cell in which the UE is currently camping is less than or equal to a quality threshold value, In case at least one of the above conditions is satisfied, the UE stops the ongoing random access procedure and performs a random access procedure for requesting SIB 1.
8. 8. A method performed by a user equipment, UE, comprising the steps of: receiving system information and/or RRC proprietary message sent by a network, wherein the system information and/or RRC proprietary message comprises SIB1 request configuration of one or more OD-SIB1 cells, and Initiating SIB1 request flow in the OD-SIB1 cell according to the received system information and/or SIB1 request configuration contained in the RRC proprietary message, triggering or initiating random access flow, In the random access flow of the SIB1 request, if the SIB1 request configuration is reconfigured, stopping the random access flow of the SIB1 request, and initiating the random access flow of the SIB1 request by adopting a new configuration.
9. 9. A user equipment, comprising: processor, and A memory in which instructions are stored, Wherein the instructions, when executed by the processor, perform the method of any one of claims 1 to 8.

Description

Method executed by user equipment and user equipment Technical Field The present invention relates to the field of wireless communication technology, and more particularly, to a method for performing network energy saving by a user equipment and a corresponding user equipment. Background Network energy conservation is beneficial to reducing the influence on the environment and saving the cost of operators. The network typically needs to configure random access resources for terminals to be able to access the network. Under the condition of lower system load, more or denser random resources can waste network resources, and the network can configure thinner random access resources and dynamically adjust the random access resources to adapt to the change of the system load. For the reasons stated above, the third generation partnership project (3rd Generation Partnership Project:3GPP) is approved at the RAN community for the NES enhanced work item of release 19, see non-patent document RP-242354WID:Enhancements of network energy savings for NR. The work item includes that the network can no longer broadcast SIB1 periodically under the condition of low system load, the UE requests SIB1 on demand (on-demand) in idle state and non-active state, and the network triggers the SIB1 to send according to the request of the UE. Disclosure of Invention In order to solve at least a part of the problems, the invention provides a method executed by user equipment and the user equipment, which can enable UE to select/reselect to an OD-SIB1 cell correctly and timely, and simultaneously correctly process other ongoing processes in an original cell in a cell reselection process, avoid occurrence of abnormality and improve service experience. According to the invention, a method executed by User Equipment (UE) is provided, which comprises the steps of receiving MIB message sent by a network, wherein the MIB message contains first information for indicating whether a cell is forbidden or not and second information for indicating whether the cell is an OD-SIB1 cell or not, determining whether the cell is forbidden or not according to the first information contained in the received MIB message and determining whether the cell is an OD-SIB1 cell or not according to the second information contained in the received MIB message, and judging whether the cell can be used as a candidate in a cell selection and/or cell reselection process. Preferably, in the step of determining whether the cell can be a candidate in the cell selection and/or cell reselection procedure, at least one of the following conditions is determined: -cell status is indicated as not barred, or the cell is not barred; -the cell is an OD-SIB1 cell, or the cell does not transmit SIB1, or the cell does not broadcast SIB1, and -The UE has a SIB1 request configuration for the cell or the UE has a valid SIB1 request configuration for the cell. Preferably, in case at least one of the above conditions is met, the UE regards the cell as a candidate cell in a cell selection and/or cell reselection procedure. Preferably, in case at least one of the above conditions is satisfied, the UE regards the cell as a candidate cell in a cell selection and/or cell reselection procedure if the UE is a NES UE, and regards the cell as barred in a cell selection and/or cell reselection procedure if the UE is not a NES UE. In addition, according to the invention, a method executed by User Equipment (UE) is provided, which comprises the steps of receiving a MIB message sent by a network, wherein the MIB message comprises first information for indicating whether a cell is forbidden or not and second information for indicating whether the cell is an OD-SIB1 cell, determining whether the cell is forbidden or not according to the first information contained in the received MIB message, determining whether the cell is an OD-SIB1 cell according to the second information contained in the received MIB message, further judging whether the cell is forbidden or not according to whether the UE has SIB1 request configuration of the cell for the OD-SIB1 cell which is determined not to be forbidden, and receiving system information and/or RRC special information sent by the network, and considering that the cell is not forbidden or considering that the cell is forbidden or is released under the condition that the SIB1 request configuration of the cell is contained in the system information and/or the special information. Preferably, in the step of considering the cell as not being barred or considering the prohibition of the cell as being released, at least one of the following operations is performed: -considering the cell as not barred; -if the cell is barred, the UE deems the cell to be barred, and -If the cell is barred due to no SIB1 requesting configuration, the UE deems the barred of the cell to be released. Furthermore, according to the present invention, a method performed by a user equipment UE is p