WO2018040677A1

WO2018040677A1 - Cell reselection method and device, and storage medium

Info

Publication number: WO2018040677A1
Application number: PCT/CN2017/089023
Authority: WO
Inventors: 卓越
Original assignee: 深圳市中兴微电子技术有限公司
Priority date: 2016-08-31
Filing date: 2017-06-19
Publication date: 2018-03-08
Also published as: CN107801221B; CN107801221A

Abstract

Disclosed is a cell reselection method, comprising: acquiring a frequency point information list; determining, according to the acquired frequency point information list, whether frequency point information the same as a frequency point of a current serving cell is contained, and determining, according to a determination result, a cell reselection condition; and after elapse of a preset reselection evaluation duration, using the determined cell reselection condition to trigger reselection of a serving cell. Also disclosed are a cell reselection device, and a storage medium.

Description

Method and device for cell reselection, storage medium

Cross-reference to related applications

The present application is filed on the basis of the Chinese Patent Application No. PCT Application No.

Technical field

The present invention relates to mobile communication technologies, and in particular, to a method and apparatus for cell reselection, and a storage medium.

Background technique

In the third generation mobile communication and its subsequent evolution system, the radio access network is composed of a plurality of radio network subsystems. Each radio network subsystem includes a Radio Network Controller (RNC), a plurality of Node Bs, and a large number of User Equipments (UEs). The cell is a communication service area that can divide a large number of UEs. After the UE is powered on and selects a Public Land Mobile Network (PLMN), the UE will start to find a suitable cell camp in the selected PLMN. This process is called cell selection; The reserved cell is called a serving cell.

When the serving cell camps, the UE needs to detect the signal quality of the serving cell at all times, and measures the received signal code power (RSCP) of the cell in real time. The RSCP is also called a level value, and the cell selection criterion S is combined. The other parameter values in the criterion calculate the cell selection reception level value S _{rxlev of the cell} . The UE can camp on the appropriate serving cell only when the S _rxlev value of the cell satisfies greater than zero. When the UE moves in the idle mode due to the position change, the signal change, and the like, the RSCP value of the cell measured by the UE changes, and the calculated S _rxlev value of the cell no longer satisfies the camping condition, or the UE measures Other cells are more likely to meet the camping conditions, such that the UE will change the currently camped serving cell and reselect other suitable serving cell camps, a process known as cell reselection.

In the UMTS (UMTS, Terrestrial Radio Access Network) system, there are related protocols that stipulate that the UE adopts cell reselection in two types: The method is a non-priority cell reselection evaluation method, and the other is a priority cell reselection evaluation method. In the priority cell reselection evaluation rule, the reselection protocol only performs reselection evaluation on the neighboring cell at the different frequency point in the UTRAN system and the neighboring cell on the heterogeneous frequency point, and cannot be used for the same frequency in the UTRAN system. The neighboring area at the point is evaluated for priority. In the actual network environment, the same-frequency neighboring area with the same frequency as the serving cell is ubiquitous. If the same-frequency neighboring area cannot be evaluated and re-elected in time, it will be serious. Affects the access performance of the UE and reduces the access success rate of the UE.

Summary of the invention

In view of this, the embodiment of the present invention is to provide a method and a device for reselecting a cell, and a storage medium, which can effectively solve the problem that the prioritized reselection evaluation strategy in the UTRAN protocol does not support co-frequency neighbor reselection in the prior art.

To achieve the above objective, the technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a method for cell reselection, where the method includes:

Obtain a list of frequency information;

Determining, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included, and determining a cell reselection condition according to the determination result;

After the preset reselection evaluation time is continued, the determined cell reselection condition is used to trigger the serving cell reselection.

In the foregoing solution, the obtaining a frequency point information list includes:

Obtaining frequency between different system cells according to a system message broadcasted by the UE on the network side, and configuring a frequency point information list by the frequency between the different system cells;

The system message further includes priorities between different system cells.

In the above solution, the determining the cell reselection condition according to the determination result includes:

If the frequency point information list includes the same frequency point information as the current serving cell frequency point, the cell reselection condition of the priority level reselection is adopted; if the frequency point information list does not contain the same frequency as the current serving cell frequency point For the frequency point information, the cell reselection condition of the non-priority level reselection is adopted.

In the above solution, the method further includes: when the cell reselection condition of the priority reselection is adopted, the evaluation is performed according to the relationship between the priority of the same frequency neighboring cell and the priority of the serving cell;

The estimating is performed according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell, including:

When the priority of the intra-frequency neighboring cell is higher than the priority of the serving cell, compare the magnitude relationship between the S value of the same-frequency neighboring cell and the first preset re-selection evaluation threshold; when the same-frequency neighboring zone is prioritized When the level is lower than the priority of the serving cell, compare the magnitude relationship between the S value of the same frequency neighboring area and the first preset reselection evaluation threshold, and the S value of the serving cell and the second preset reselection evaluation threshold. The size relationship of the values.

In the above solution, the priority level reselection and the non-priority level reselection are performed concurrently, and the first trigger reselection of the reselection evaluation condition is met first.

An embodiment of the present invention further provides a device for reselecting a cell, where the device includes: an obtaining module, a determining module, a determining module, and a triggering module;

The obtaining module is configured to obtain a frequency point information list;

The determining module is configured to determine, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included;

The determining module is configured to determine a cell reselection condition according to the determination result of the determining module;

The triggering module is configured to adopt a determined small after continuously selecting a reselection evaluation time The area reselection condition triggers the reselection of the serving cell.

In the above solution, the acquiring module is specifically configured as:

The system message further includes priorities between different system cells.

In the above solution, the determining module is specifically configured as:

In the above solution, the determining module is further configured to perform the evaluation according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell when the cell reselection condition of the priority reselection is adopted;

The embodiment of the present invention provides a storage medium, where an executable program is stored, and when the executable program is executed by a processor, the method for implementing cell reselection provided by the embodiment of the present invention is implemented.

An embodiment of the present invention provides a device for cell reselection, including:

a memory for storing an executable program;

The processor is configured to implement the method for cell reselection provided by the embodiment of the present invention when the executable program stored in the memory is used.

The method and device for reselecting a cell and the storage medium provided by the embodiment of the present invention acquire a frequency point information list; and according to the obtained frequency point information list, determine whether the frequency information of the same frequency as the current serving cell frequency is included, and The cell reselection condition is determined according to the judgment result; after the preset reselection evaluation time is continued, the determined cell reselection condition is used to trigger the serving cell reselection. In this way, the re-election evaluation of the neighboring cell at the same frequency point is added to the priority re-evaluation evaluation system, which effectively solves the problem that the prioritized re-election evaluation strategy in the UTRAN protocol does not support the re-election of the same-frequency neighboring area in the prior art. At the same time, the non-priority re-election evaluation strategy is considered. In this way, the two re-election evaluation methods are processed concurrently, which can trigger the reselection of the serving cell more reasonably, improve the reselection performance of the UE, and improve the service quality and user experience.

DRAWINGS

1 is a schematic flowchart of implementing a method for cell reselection according to an embodiment of the present invention;

2 is a schematic flowchart of a specific implementation process of a method for cell reselection according to an embodiment of the present invention;

3 is a schematic structural diagram of a device for reselecting a cell according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a cell reselection apparatus according to an embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the implementation process of the method for cell reselection in the embodiment of the present invention includes the following steps:

Step 101: Obtain a frequency point information list.

The step specifically includes: acquiring, according to a system message broadcasted by the UE on the network side, a frequency between different system cells, and configuring a frequency point information list by the frequency between the different system cells;

The system message further includes priorities between different system cells.

Here, according to the frequency and priority between different system cells included in the system message, the system message is System Message 19 (SIB 19, System Information Block 19) in the broadcast message of the Long Term Evolution (LTE) system. In other words, when the current serving cell camps, the UE receives and stores the SIB 19 from the broadcast channel of the current serving cell, and directly obtains the frequency point information list according to the frequency between different system cells in the SIB 19.

Step 102: Determine, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included, and determine a cell reselection condition according to the determination result;

The step specifically includes: if the frequency point information list includes the same frequency point information as the current serving cell frequency point, the cell reselection condition of the priority level reselection is adopted; if the frequency point information list does not contain the current If the frequency information of the serving cell frequency is the same, the cell reselection condition of the non-priority level reselection is adopted.

Here, when the cell reselection condition of the priority reselection is adopted, the relationship may be separately evaluated according to the relationship between the intra-frequency neighboring cell priority and the serving cell priority;

The determining, according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell, respectively, includes:

Specifically, in the priority re-evaluation evaluation method, the UE receives the SIB 19 broadcasted by the network side, where the SIB 19 includes frequencies between different system cells and priority information including various neighbor frequency points, such as The priority of the UTRAN frequency, the priority of the evolved UMTS Terrestrial Radio Access (E-UTRA) system, and the frequency of the Global System for Mobile communication (GSM) system The priority level and the priority level of the serving cell. The priority value ranges from 1 to 7. The higher the level value, the higher the priority level. In theory, the priority level of the same frequency point should be the same as the priority level of the serving cell, but because different fields are indicated in the SIB 19 message, different configurations need to be considered in practical applications. First, the same-frequency cell list in the system message 11/12 (SIB11/12, System Information Block 11/12) is multiplexed; secondly, the UE starts and completes the frequency of all cells in the same-frequency cell list according to the measurement criterion, that is, the S criterion. Point measurement, report processing results; Finally, according to the priority re-evaluation evaluation protocol, when the priority level of the same frequency neighboring area is higher than the priority level of the current serving cell, then only the S of the same frequency neighboring area is calculated. _{After the rxlev} value is greater than the first preset reselection evaluation threshold, the cell reselection may be triggered; when the priority of the same frequency neighboring cell is lower than the priority of the current serving cell, the S of the same frequency neighboring area needs to be satisfied. _{When the rxlev} value is greater than the first preset reselection evaluation threshold, the cell reselection may be triggered only when the S _rxlev value of the current serving cell is less than the second preset reselection evaluation threshold.

It should be noted that each threshold value is carried by the SIB 19 itself, and the “first” and “second” are used to indicate preset different re-evaluation evaluation thresholds, wherein the first preset re-evaluation is used. The threshold value indicates a threshold value of the same frequency neighboring zone; the second preset reselection evaluation threshold value is used to indicate the threshold value of the serving cell.

Here, the non-priority level reselection evaluation method is to perform candidate cell evaluation according to the neighbor list in the SIB 11/12 broadcast by the network side to the UE. The neighbor cells in the neighboring cell list are mainly divided into the same frequency neighboring cell, the inter-frequency neighboring cell, and the heterogeneous neighboring cell, that is, the same-frequency neighboring cell refers to the neighboring cell whose working frequency is the same as the working frequency of the current serving cell. The inter-frequency neighboring zone refers to the neighboring zone whose working frequency is different from the working frequency of the current serving cell; the non-priority re-election of the heterogeneous neighboring zone refers to the neighboring zone of the GSM standard. It should be noted that the reselection evaluation strategies adopted by the same-frequency neighboring area, the inter-frequency neighboring area, and the heterogeneous neighboring area are the same, that is, the UE starts the measurement current according to the neighboring area information in the received SIB11/12. The RSCP values of the serving cell and the _intra- frequency neighboring cells are obtained, and after obtaining the measured RSCP values, the R values of the same-frequency neighboring cells are calculated according to the cell reselection R criterion in all the same-frequency neighboring cells satisfying the S _rxlev value greater than 0, respectively. When the R value of the intra-frequency neighboring cell is greater than the R value of the current serving cell, and after maintaining a certain evaluation time, the UE may perform re-selection of the resident serving cell.

Here, it is a prior art to calculate the R value of the same frequency neighboring cell by using the cell reselection R criterion, and details are not described herein again.

Here, the priority level reselection and the non-priority level reselection may be performed concurrently, and the first trigger reselection of the reselection evaluation condition is satisfied first. In this way, the intra-frequency neighboring cell can be evaluated and re-selected in time to improve the access performance of the UE.

Step 103: After the preset reselection evaluation time is continued, the serving cell reselection is triggered by using the determined cell reselection condition.

The specific implementation process of the cell reselection method provided by the present invention is further described in detail below with reference to FIG. 2:

As shown in FIG. 2, the specific implementation process of the method for cell reselection in the embodiment of the present invention includes the following steps:

Step 201: It is determined whether the frequency point information list of the SIB 19 contains the same frequency point information as the current serving cell frequency point, and if yes, step 202 is performed; otherwise, step 206 is performed;

Here, before performing this step, the method further includes receiving the SIB 19 broadcasted by the network side from the broadcast channel of the current serving cell.

Since the SIB 19 includes frequencies between different system cells, the frequency point information list can be formed by frequencies between different system cells.

Step 202: Configure all cells in the SIB11/12 co-frequency cell list, and the evaluation rule adopts a priority re-election evaluation;

Here, after multiplexing the co-frequency cell list in the SIB 11/12, the frequency measurement of all the cells in the co-frequency cell list can be started and completed according to the measurement criterion, that is, the S-criteria, and the measurement result is reported and processed.

Step 203: Determine whether the priority of the intra-frequency neighboring cell is higher than the priority of the current serving cell, and if yes, go to step 204; otherwise, go to step 205;

Step 204: Compare only the magnitude relationship between the S value of the same frequency neighboring zone and the first preset reselection evaluation threshold, and jump to step 207;

Here, the cell reselection can be triggered only after the S _rxlev value of the _intra- frequency neighboring _cell is calculated to be greater than the first preset re-selection evaluation threshold.

Step 205: Compare the relationship between the S value of the same-frequency neighboring cell and the first preset re-selection evaluation threshold, and the relationship between the S value of the serving cell and the second preset re-selection evaluation threshold, and jump Go to step 207;

Here, when the S _rxlev value of the same-frequency neighboring area is greater than the first preset re-selection evaluation threshold, and the S _rxlev value of the current serving cell is less than the second preset re-selection evaluation threshold, The cell reselection can be triggered.

Step 206: Configure the same-frequency neighboring cell according to the common re-election, and calculate the R value of the cell, and the evaluation rule adopts a non-priority-level re-election evaluation;

Specifically, the UE _starts to measure the RSCP values of the current serving cell and the _intra- frequency neighboring cells according to the neighbor information in the received SIB11/12, and obtains the measured RSCP values, and then satisfies all the S _rxlev values greater than 0. In the same-frequency neighboring cell, the R value of the same-frequency neighboring cell is calculated according to the cell re-selection R criterion. When the R-value of the same-frequency neighboring cell is greater than the R value of the current serving cell, and the UE maintains a certain evaluation time, the UE may camp. Re-election of the reserved service area.

Step 207: After the preset reselection evaluation time is continued, the first trigger service cell reselection that satisfies the reselection evaluation condition is first met.

It should be noted here that as long as the SIB 19 is broadcast on the network side, regardless of whether the SIB11/12 is also broadcast on the network side, the priority re-evaluation evaluation method is preferred. If the SIB 19 is not broadcast on the network side, the non- Priority level re-evaluation method.

In order to implement the foregoing method, the embodiment of the present invention further provides a device for cell reselection. As shown in FIG. 3, the device includes an obtaining module 301, a determining module 302, a determining module 303, and a triggering module 304.

The obtaining module 301 is configured to obtain a frequency point information list.

The determining module 302 is configured to determine, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included;

The determining module 303 is configured to determine a cell reselection condition according to the determination result of the determining module 302;

The triggering module 304 is configured to trigger the serving cell reselection by using the determined cell reselection condition after the preset reselection evaluation time is continued.

Here, the obtaining module 301 is specifically configured as follows:

The system message further includes priorities between different system cells.

The determining module 303 is specifically configured to:

When the determining module 303 determines the cell reselection condition by using the priority reselection, the determining may be performed according to the relationship between the intra-frequency neighboring cell priority and the serving cell priority.

It should be noted here that "first" and "second" are used to indicate different preset re-evaluation thresholds, wherein the first preset re-evaluation threshold is used to indicate the same-frequency neighbors. Threshold; the second preset reselection evaluation threshold is used to indicate the threshold of the serving cell.

Here, the priority level reselection and the non-priority level reselection are performed concurrently, and the first trigger reselection of the reselection evaluation condition is satisfied first.

In an actual application, the obtaining module 301, the determining module 302, the determining module 303, and the triggering module 304 may each be a central processing unit (CPU), a microprocessor (MPU, a Micro Processor Unit) located on the UE, Digital signal processor (DSP, Digital Signal Processor), or Field Programmable Gate Array (FPGA) implementation.

4 is a schematic structural diagram of a cell reselection apparatus according to another embodiment of the present invention. The cell reselection apparatus 400 may be a mobile phone, a computer, a digital broadcast terminal, an information transceiver device, a game console, a tablet device, a medical device, and a fitness device. , personal digital assistants, etc. The cell reselection apparatus 400 shown in FIG. 4 includes at least one processor 401, a memory 402, at least one network interface 404, and a user interface 403. The various components in the cell reselection device 400 are coupled together by a bus system 405. It will be appreciated that bus system 405 is used to implement connection communication between these components. The bus system 405 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 405 in FIG.

The user interface 403 may include a display, a keyboard, a mouse, a trackball, a click wheel, a button, a button, a touch panel, or a touch screen.

It can be understood that the memory 402 can be a volatile memory or a non-volatile memory. Both volatile and non-volatile memory are included. The non-volatile memory may be a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), or an Erasable Programmable Read (EPROM). Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM), Ferromagnetic Random Access Memory (FRAM), Flash Memory, Magnetic Surface Memory , CD-ROM, or Compact Disc Read-Only Memory (CD-ROM); the magnetic surface memory can be a disk storage or a tape storage. The volatile memory can be a random access memory (RAM) that acts as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access (SSRAM). DRAM (Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), enhancement Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory Bus Random Access Memory (DRRAM) ). The memory 402 described in the embodiments of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.

The memory 402 in the embodiment of the present invention is used to store various types of data to support the operation of the cell reselection device 400. Examples of such data include: any computer program for operating on the cell reselection device 400, such as operating system 4021 and application 4022; contact data; phone book data; messages; pictures; Wherein, the operating system 4021 includes various system programs. For example, the framework layer, the core library layer, the driver layer, etc., are used to implement various basic services and to handle hardware-based tasks. The application 4022 can include various applications, such as a Media Player, a Browser, etc., for implementing various application services. A program implementing the method of the embodiment of the present invention may be included in the application 4022.

The method disclosed in the foregoing embodiments of the present invention may be applied to the processor 401 or implemented by the processor 401. Processor 401 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 401 or an instruction in a form of software. The processor 401 described above may be a general purpose processor, a digital signal processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like. The processor 401 can implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present invention. A general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module can reside in a storage medium located in memory 402, and processor 401 reads the information in memory 402 and, in conjunction with its hardware, performs the steps of the foregoing method.

In an exemplary embodiment, the cell reselection device 400 may be configured by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), and Complex Programmable Logic Devices. (CPLD, Complex Programmable Logic Device), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor), or Other electronic components are implemented to perform the aforementioned methods.

In an exemplary embodiment, an embodiment of the present invention further provides a computer readable storage medium, such as a memory 402 including a computer program, which may be a cell reselection device 400 The processor 401 executes to perform the steps described in the foregoing method. The computer readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; or may be various devices including one or any combination of the above memories, such as Mobile phones, computers, tablet devices, personal digital assistants, etc.

In the embodiment of the present invention, when the foregoing computer program is executed by the processor, it executes:

Obtain a list of frequency information;

In an alternative embodiment of the invention, when the computer program is executed by the processor, it also executes:

Obtaining frequency between different system cells according to the system message broadcasted by the UE on the network side, and configuring a frequency point information list by the frequency between the different system cells; wherein the system message further includes priority between different system cells level.

In an optional embodiment of the present invention, when the computer program is executed by the processor, the method further performs: when the cell reselection condition of the priority reselection is used, according to the relationship between the priority of the same frequency neighboring cell and the priority of the serving cell Evaluation

The embodiment of the present invention obtains a frequency point information list, and according to the obtained frequency point information list, determines whether the frequency information of the same frequency as the current serving cell frequency is included, and determines a cell reselection condition according to the determination result; After re-selecting the evaluation time, the determined cell reselection condition is used to trigger the serving cell reselection. In this way, the re-election evaluation of the neighboring cell at the same frequency point is added to the priority re-evaluation evaluation system, which effectively solves the problem that the prioritized re-election evaluation strategy in the UTRAN protocol does not support the re-election of the same-frequency neighboring area in the prior art. At the same time, the non-priority re-election evaluation strategy is considered. In this way, the two re-election evaluation methods are processed concurrently, which can trigger the reselection of the serving cell more reasonably, improve the reselection performance of the UE, and improve the service quality and user experience.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in Within the scope of protection of the present invention.

Industrial applicability

The invention discloses a method for cell reselection, comprising: acquiring a frequency point information list; determining, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell frequency is included, and determining according to the judgment result The cell reselection condition; after the preset reselection evaluation time is continued, the determined cell reselection condition is used to trigger the serving cell reselection. The invention also discloses a device and a storage medium for cell reselection. It can effectively solve the problem that the prioritized reselection evaluation strategy in the UTRAN protocol does not support co-frequency neighbor reselection in the prior art.

Claims

A method for cell reselection, the method comprising:

Obtain a list of frequency information;

Determining, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included, and determining a cell reselection condition according to the determination result;

After the preset reselection evaluation time is continued, the determined cell reselection condition is used to trigger the serving cell reselection.
The method of claim 1, wherein the obtaining a list of frequency point information comprises:

Obtaining frequency between different system cells according to a system message broadcasted by the network device received by the user equipment UE, and configuring a frequency point information list by the frequency between the different system cells;

The system message further includes priorities between different system cells.
The method according to claim 1 or 2, wherein the determining the cell reselection condition according to the determination result comprises:

If the frequency point information list includes the same frequency point information as the current serving cell frequency point, the cell reselection condition of the priority level reselection is adopted; if the frequency point information list does not contain the same frequency as the current serving cell frequency point For the frequency point information, the cell reselection condition of the non-priority level reselection is adopted.
The method according to claim 3, wherein the method further comprises: when the cell reselection condition of the priority reselection is adopted, respectively, according to the relationship between the priority of the same frequency neighboring cell and the priority of the serving cell;

The estimating is performed according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell, including:

When the priority of the intra-frequency neighboring cell is higher than the priority of the serving cell, compare the magnitude relationship between the S value of the same-frequency neighboring cell and the first preset re-selection evaluation threshold; when the same-frequency neighboring zone is prioritized When the level is lower than the priority of the serving cell, compare the magnitude relationship between the S value of the same frequency neighboring area and the first preset reselection evaluation threshold, and the S value of the serving cell and the second preset reselection evaluation threshold. The size relationship of the values.
The method of claim 3, wherein the priority level reselection and the non-priority level reselection are performed concurrently, and the first trigger reselection of the reselection evaluation condition is satisfied first.
A device for reselecting a cell, the device comprising: an obtaining module, a determining module, a determining module, and a triggering module; wherein

The obtaining module is configured to obtain a frequency point information list;

The determining module is configured to determine, according to the obtained frequency point information list, whether the frequency information of the same frequency as the current serving cell is included;

The determining module is configured to determine a cell reselection condition according to the determination result of the determining module;

The triggering module is configured to trigger the serving cell reselection by using the determined cell reselection condition after the preset reselection evaluation time is continued.
The device according to claim 6, wherein the obtaining module is specifically configured to:

Obtaining frequency between different system cells according to a system message broadcasted by the network side received by the user terminal UE, and configuring a frequency point information list by the frequency between the different system cells;

The system message further includes priorities between different system cells.
The device according to claim 6 or 7, wherein the determining module is specifically configured to:

If the frequency point information list includes the same frequency point information as the current serving cell frequency point, the cell reselection condition of the priority level reselection is adopted; if the frequency point information list does not contain the same frequency as the current serving cell frequency point For the frequency point information, the cell reselection condition of the non-priority level reselection is adopted.
The apparatus according to claim 8, wherein the determining module is further configured to perform the evaluation according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell when the cell reselection condition of the priority-level reselection is adopted;

The estimating is performed according to the relationship between the priority of the same-frequency neighboring cell and the priority of the serving cell, including:

When the priority of the intra-frequency neighboring cell is higher than the priority of the serving cell, compare the magnitude relationship between the S value of the same-frequency neighboring cell and the first preset re-selection evaluation threshold; when the same-frequency neighboring zone is prioritized When the level is lower than the priority of the serving cell, compare the magnitude relationship between the S value of the same frequency neighboring area and the first preset reselection evaluation threshold, and the S value of the serving cell and the second preset reselection evaluation threshold. The size relationship of the values.
The apparatus of claim 8, wherein the priority level reselection and the non-priority level reselection are performed concurrently, and the first trigger reselection of the reselection evaluation condition is satisfied first.
A storage medium storing an executable program, the method for implementing the cell reselection according to any one of claims 1 to 5 when the executable program is executed by a processor.
A device for cell reselection, comprising:

a memory for storing an executable program;

A processor, for operating the executable program stored in the memory, to implement the method of cell reselection according to any one of claims 1 to 5.