CN107801221B - A kind of method and apparatus of cell reselection - Google Patents
A kind of method and apparatus of cell reselection Download PDFInfo
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- CN107801221B CN107801221B CN201610796107.0A CN201610796107A CN107801221B CN 107801221 B CN107801221 B CN 107801221B CN 201610796107 A CN201610796107 A CN 201610796107A CN 107801221 B CN107801221 B CN 107801221B
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- 230000001960 triggered effect Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000013209 evaluation strategy Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
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Abstract
The invention discloses a kind of methods of cell reselection, comprising: obtains frequency point information list；According to the frequency point information list of acquisition, judge whether containing frequency point information identical with current service cell frequency point, and cell re-selection conditions are determined according to judging result；After the persistently preset reselection evaluation time, serving cell gravity treatment is triggered using determining cell re-selection conditions.The present invention further simultaneously discloses a kind of device of cell reselection.
Description
Technical field
The present invention relates to the cell reselection techniques more particularly to a kind of method and apparatus of cell reselection in mobile communication.
Background technique
In 3G (Third Generation) Moblie and its subsequent evolution system, wireless access network is by multiple wireless network subsystem structures
At.Each wireless network subsystem includes a radio network controller (RNC, Radio Network Controller), more
A node B (NodeB) and a large amount of user equipment (UE, User Equipment).Wherein, cell be can be to a large amount of
The area of communications services that UE is divided.When UE is powered on and selects public land mobile network (PLMN, Public a Land
Mobile Network) after, beginning is found suitable cell in the selected PLMN by UE to be resident, this process is known as cell
Selection；Wherein, currently resident cell is known as serving cell.
When serving cell is resident, UE needs to constantly detect the signal quality situation of serving cell, passes through real-time measurement
The received signal code power (RSCP, Received Signal Code Power) of cell, RSCP is also referred to as level value, in conjunction with small
Other parameters value calculates the cell selection reception level value S of cell in area's selection criteria S criterionrxlev.Only as the S of cellrxlev
When value is met greater than 0, UE can just reside in suitable serving cell.When UE is at the idling mode because of shift in position, signal intensity
Etc. factors when occurring mobile, the RSCP value of cell measured by UE can change, and lead to the S of calculated cellrxlevValue is not
Meet resident condition again or UE measures other cells and more likely meets resident condition, in this way, UE can change current be resident
Serving cell, and reselect that other suitable serving cells are resident, which is known as cell reselection.
In the land Universal Mobile Communication System (UMTS, Universal Mobile Telecommunications System)
In ground wireless access network (UTRAN, UMTS Terrestrial Radio Access Network) system, there are related protocol rule
Determined the method that UE takes cell reselection and be broadly divided into two types: one kind is non-preferential level cell reselection evaluation method, separately
One kind is priority level cell reselection evaluation method.Wherein, in priority level cell reselection evaluation rule, reselection protocol only needle
Adjacent area to the adjacent area on the alien frequencies frequency point in UTRAN standard and on different standard frequency point carries out reselection evaluation, can not be directed to
Priority level assessment is carried out with the adjacent area on point again and again in UTRAN system, and in the network environment of practical application, it is small with servicing
Frequency point identical homogeneous-frequency adjacent-domain in area's is generally existing, if assessment gravity treatment can not be carried out to homogeneous-frequency adjacent-domain in time, be will seriously affect
The access performance of UE, and reduce UE is successfully accessed rate.
Summary of the invention
In view of this, can effectively solve the problem that existing an embodiment of the present invention is intended to provide a kind of method and apparatus of cell reselection
There is the problem of priority level reselection evaluation strategy does not support homogeneous-frequency adjacent-domain gravity treatment in UTRAN agreement in technology.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides a kind of method of cell reselection, which comprises
Obtain frequency point information list；
According to the frequency point information list of acquisition, judge whether to believe containing frequency point identical with current service cell frequency point
Breath, and cell re-selection conditions are determined according to judging result；
After the persistently preset reselection evaluation time, serving cell gravity treatment is triggered using determining cell re-selection conditions.
In above scheme, the acquisition frequency point information list, comprising:
The system message of the network side broadcast received according to UE, obtains the frequency between different system cells, by it is described not
The frequency of homologous ray minizone constitutes frequency point information list；
Wherein, in the system message further include priority between different system cells.
It is described that cell re-selection conditions are determined according to judging result in above scheme, comprising:
If containing frequency point information identical with current service cell frequency point in the frequency point information list, priority scheduling is used
The cell re-selection conditions of grade gravity treatment；If not believing containing frequency point identical with current service cell frequency point in the frequency point information list
Breath then uses the cell re-selection conditions of non-preferential grade gravity treatment.
In above scheme, the method also includes: using priority level gravity treatment cell re-selection conditions when, it is adjacent according to same frequency
Area's priority and the relationship of serving cell priority are assessed respectively；
It is described to be assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority, comprising:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, compare the S value and first of homogeneous-frequency adjacent-domain
The size relation of default reselection evaluation threshold value；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, than
It is default compared with the S value of the size relation and serving cell of the S value of homogeneous-frequency adjacent-domain and the first default reselection evaluation threshold value and second
The size relation of reselection evaluation threshold value.
In above scheme, the priority level gravity treatment is concurrently carried out with the non-preferential grade gravity treatment, and first meets gravity treatment
The first triggering gravity treatment of evaluation condition.
The embodiment of the present invention also provides a kind of device of cell reselection, described device include: obtain module, judgment module,
Determining module, trigger module；Wherein,
The acquisition module, for obtaining frequency point information list；
The judgment module judges whether for the frequency point information list according to acquisition containing small with current service
The identical frequency point information of area's frequency point；
The determining module, for determining cell re-selection conditions according to the judging result of the judgment module；
The trigger module, for being touched using determining cell re-selection conditions after the persistently preset reselection evaluation time
Send out serving cell gravity treatment.
In above scheme, the acquisition module is specifically used for:
The system message of the network side broadcast received according to UE, obtains the frequency between different system cells, by it is described not
The frequency of homologous ray minizone constitutes frequency point information list；
Wherein, in the system message further include priority between different system cells.
In above scheme, the determining module is specifically used for:
If containing frequency point information identical with current service cell frequency point in the frequency point information list, priority scheduling is used
The cell re-selection conditions of grade gravity treatment；If not believing containing frequency point identical with current service cell frequency point in the frequency point information list
Breath then uses the cell re-selection conditions of non-preferential grade gravity treatment.
In above scheme, the determining module, when being also used to the cell re-selection conditions using priority level gravity treatment, according to same
Frequency priority of adjacent domain and the relationship of serving cell priority are assessed respectively；
It is described to be assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority, comprising:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, compare the S value and first of homogeneous-frequency adjacent-domain
The size relation of default reselection evaluation threshold value；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, than
It is default compared with the S value of the size relation and serving cell of the S value of homogeneous-frequency adjacent-domain and the first default reselection evaluation threshold value and second
The size relation of reselection evaluation threshold value.
In above scheme, the priority level gravity treatment is concurrently carried out with the non-preferential grade gravity treatment, and first meets gravity treatment
The first triggering gravity treatment of evaluation condition.
The method and apparatus of cell reselection provided by the embodiment of the present invention obtain frequency point information list；According to acquisition
The frequency point information list judges whether containing frequency point information identical with current service cell frequency point, and according to judging result
Determine cell re-selection conditions；It is small using determining cell re-selection conditions triggering service after the persistently preset reselection evaluation time
Area's gravity treatment.In this way, the reselection evaluation of adjacent area on same frequent point is added in priority level reselection evaluation system, efficiently solve
The problem of priority level reselection evaluation strategy does not support homogeneous-frequency adjacent-domain gravity treatment in UTRAN agreement in the prior art, combines
Non-preferential grade reselection evaluation strategy can be triggered more reasonably in this way, handling two kinds of reselection evaluation modes concurrently
Serving cell gravity treatment improves the gravity treatment performance of UE, promotes service quality and user experience.
Detailed description of the invention
Fig. 1 is the implementation process schematic diagram of the method for cell reselection of the embodiment of the present invention；
Fig. 2 is the method specific implementation flow schematic diagram of cell reselection of the embodiment of the present invention；
Fig. 3 is the composed structure schematic diagram of the device of cell reselection of the embodiment of the present invention.
Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, with reference to the accompanying drawing to this hair
The realization of bright embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used to limit the present invention.
As shown in Figure 1, in the embodiment of the present invention method of cell reselection implementation process, comprising the following steps:
Step 101: obtaining frequency point information list；
This step specifically includes: the system message of the network side broadcast received according to UE, obtain between different system cells
Frequency, frequency point information list is constituted by the frequency between the different system cells；
Wherein, in the system message further include priority between different system cells.
Here, according to the frequency and priority between the different system cells for including in system message it is found that the system message
For system message 19 (Sib19, the System in long term evolution (LTE, Long Term Evolution) system broadcast message
information block 19).It is in other words exactly that, when current service cell is resident, UE is from current service cell
Sib19 is received and stored on broadcast channel, and frequency point information column are directly obtained according to the frequency between system cells different in Sib19
Table.
Step 102: according to the frequency point information list of acquisition, judging whether containing identical as current service cell frequency point
Frequency point information, and cell re-selection conditions are determined according to judging result；
This step specifically includes: if believing in the frequency point information list containing frequency point identical with current service cell frequency point
Breath then uses the cell re-selection conditions of priority level gravity treatment；If not containing in the frequency point information list and current service cell
The identical frequency point information of frequency point then uses the cell re-selection conditions of non-preferential grade gravity treatment.
It here, can be small according to homogeneous-frequency adjacent-domain priority and service when using the cell re-selection conditions of priority level gravity treatment
The relationship of area's priority is assessed respectively；
It is wherein, described to be assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority, comprising:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, compare the S value and first of homogeneous-frequency adjacent-domain
The size relation of default reselection evaluation threshold value；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, than
It is default compared with the S value of the size relation and serving cell of the S value of homogeneous-frequency adjacent-domain and the first default reselection evaluation threshold value and second
The size relation of reselection evaluation threshold value.
Specifically, in priority level reselection evaluation method, that UE is received is the Sib19 of network side broadcast, wherein
Sib19 includes the frequency between different system cells and the precedence information containing various adjacent area frequency points, such as UTRAN standard frequency point
Priority level, evolution the land UMTS wireless access (E-UTRA, Evolved-UMTS Terrestrial Radio
Access) priority level, global system for mobile communications (GSM, Global System for Mobile of standard frequency point
Communication) priority level of standard frequency point and the priority level of serving cell.The numberical range of priority level is
From 1 to 7, grade point is bigger, then shows that priority level is higher.It theoretically, should be with serving cell with the priority level put again and again
Priority level it is identical, but due in Sib19 message different field indicate, need to consider in practical applications different
Configuration.Firstly, the same frequency in multiplex system message 11/12 (Sib11/12, System information block 11/12)
Cell list；Secondly, UE according to measuring criterion, i.e. S criterion starts and completes the frequency point survey of all cells in the list of co-frequency cell
Amount, carries out measurement result to report processing；Finally, according to priority level reselection evaluation agreement, when the priority level of homogeneous-frequency adjacent-domain
Higher than current service cell priority level when, then only need to be in the S for calculating homogeneous-frequency adjacent-domainrxlevValue is greater than the first default gravity treatment and comments
It, can triggering cell gravity treatment after estimating threshold value；When the priority level of homogeneous-frequency adjacent-domain is lower than the priority level of current service cell,
It then need to be in the S for meeting homogeneous-frequency adjacent-domainrxlevWhile value is greater than the first default reselection evaluation threshold value, it is small to also need to meet current service
The S in arearxlevWhen value is less than the second default reselection evaluation threshold value, cell reselection just can trigger.
It should be noted that each threshold value be Sib19 it is self-contained, indicated with " first " and " second " it is preset not
Same reselection evaluation threshold value, wherein the threshold value of homogeneous-frequency adjacent-domain is indicated with the first default reselection evaluation threshold value；With second
Reselection evaluation threshold value is preset to indicate the threshold value of serving cell.
Here, non-preferential grade reselection evaluation method is the neighboring cell list in the Sib11/12 according to the lateral UE broadcast of network
Carry out candidate cell assessment.Wherein, the neighbor cell in neighboring cell list is broadly divided into homogeneous-frequency adjacent-domain, alien frequencies adjacent area and different system
Formula adjacent area, it may be assumed that homogeneous-frequency adjacent-domain refers to working frequency points adjacent area identical with current service cell working frequency points；Alien frequencies adjacent area refers to work
Make the frequency point adjacent area different from current service cell working frequency points；Different standard adjacent area refers to GSM system in non-preferential grade gravity treatment
The adjacent area of formula.It should be noted that the reselection evaluation strategy that homogeneous-frequency adjacent-domain, alien frequencies adjacent area and different standard adjacent area use is phase
With, it may be assumed that UE is separately turned on measurement current service cell and each with frequency neighbour according to the neighboring BS information in the Sib11/12 received
The RSCP value in area after each RSCP value measured, is meeting SrxlevRespectively according to cell in all homogeneous-frequency adjacent-domains of the value greater than 0
Gravity treatment R criterion calculates the R value of homogeneous-frequency adjacent-domain, when the R value of homogeneous-frequency adjacent-domain is greater than the R value of current service cell, and remains certain
After assessing the time, then the gravity treatment of resident service cell can occur for UE.
Here, the prior art is belonged to using the R value that cell reselection R criterion calculates homogeneous-frequency adjacent-domain, no longer repeated one by one here.
Here, priority level gravity treatment can be carried out concurrently with non-preferential grade gravity treatment, and first meet reselection evaluation condition
First trigger gravity treatment.It so, it is possible to carry out assessment gravity treatment to homogeneous-frequency adjacent-domain in time, improve the access performance of UE.
Step 103: after the persistently preset reselection evaluation time, triggering serving cell using determining cell re-selection conditions
Gravity treatment.
Below with reference to Fig. 2, the specific implementation process of the method for cell reselection provided by the invention is made further to be situated between in detail
It continues:
As shown in Fig. 2, in the embodiment of the present invention method of cell reselection specific implementation flow, comprising the following steps:
Step 201: judging whether contain frequency point identical with current service cell frequency point in the frequency point information list of Sib19
Information, if so, thening follow the steps 202；It is no to then follow the steps 206；
Here, before executing this step, the method also includes: from the broadcast channel of current service cell receive net
The Sib19 of network side broadcast.
Due to including the frequency between different system cells in Sib19, it can be made of the frequency between different system cells
Frequency point information list.
Step 202: all cells in the list of the co-frequency cell Sib11/12 being configured, assessment rule uses priority scheduling
Grade reselection evaluation；
It here, can be according to measuring criterion, the i.e. starting of S criterion simultaneously after the co-frequency cell list in multiplexing Sib11/12
The frequency point measurement for completing all cells in the list of co-frequency cell, carries out measurement result to report processing.
Step 203: judging whether the priority of homogeneous-frequency adjacent-domain is higher than the priority of current service cell, if so, executing
Step 204；It is no to then follow the steps 205；
Step 204: only comparing the S value of homogeneous-frequency adjacent-domain and the size relation of the first default reselection evaluation threshold value, and jump
To step 207；
It here, only need to be in the S for calculating homogeneous-frequency adjacent-domainrxlevAfter value is greater than the first default reselection evaluation threshold value, it can touch
Send out cell reselection.
Step 205: comparing the S value of homogeneous-frequency adjacent-domain and the size relation of the first default reselection evaluation threshold value, and service
The size relation of the S value of cell and the second default reselection evaluation threshold value, and jump to step 207；
It here, need to be in the S for meeting homogeneous-frequency adjacent-domainrxlevWhile value is greater than the first default reselection evaluation threshold value, also need full
The S of sufficient current service cellrxlevWhen value is less than the second default reselection evaluation threshold value, cell reselection just can trigger.
It should be noted that each threshold value be Sib19 it is self-contained, indicated with " first " and " second " it is preset not
Same reselection evaluation threshold value, wherein the threshold value of homogeneous-frequency adjacent-domain is indicated with the first default reselection evaluation threshold value；With second
Reselection evaluation threshold value is preset to indicate the threshold value of serving cell.
Step 206: configuring homogeneous-frequency adjacent-domain according to common gravity treatment, and calculate the R value of cell, assess rule using non-preferential etc.
Grade reselection evaluation；
Specifically, UE is according to the neighboring BS information in the Sib11/12 received, be separately turned on measurement current service cell and
The RSCP value of each homogeneous-frequency adjacent-domain after each RSCP value measured, is meeting SrxlevIn all homogeneous-frequency adjacent-domains of the value greater than 0 respectively
The R value that homogeneous-frequency adjacent-domain is calculated according to cell reselection R criterion, when the R value of homogeneous-frequency adjacent-domain is greater than the R value of current service cell, and dimension
After holding certain assessment time, then the gravity treatment of resident service cell can occur for UE.
Here, the prior art is belonged to using the R value that cell reselection R criterion calculates homogeneous-frequency adjacent-domain, no longer repeated one by one here.
Step 207: after the persistently preset reselection evaluation time, first meeting the first triggering serving cell of reselection evaluation condition
Gravity treatment.
As long as needing exist for it is emphasized that network side broadcasts Sib19, regardless of whether network side also broadcasts simultaneously
Sib11/12 preferentially uses priority level reselection evaluation method at this time, if network side does not broadcast Sib19, at this time using non-optimum
First grade reselection evaluation method.
To realize the above method, the embodiment of the invention also provides a kind of devices of cell reselection, as shown in figure 3, the dress
It sets including obtaining module 301, judgment module 302, determining module 303, trigger module 304；Wherein,
The acquisition module 301, for obtaining frequency point information list；
The judgment module 302, for the frequency point information list according to acquisition, judge whether containing with current service
The identical frequency point information of subdistrict frequency point；
The determining module 303, for determining cell re-selection conditions according to the judging result of the judgment module 302；
The trigger module 304 is used for after the persistently preset reselection evaluation time, using determining cell re-selection conditions
Trigger serving cell gravity treatment.
Here, the acquisition module 301, is specifically used for:
The system message of the network side broadcast received according to UE, obtains the frequency between different system cells, by it is described not
The frequency of homologous ray minizone constitutes frequency point information list；
Wherein, in the system message further include priority between different system cells.
The determining module 303, is specifically used for:
If containing frequency point information identical with current service cell frequency point in the frequency point information list, priority scheduling is used
The cell re-selection conditions of grade gravity treatment；If not believing containing frequency point identical with current service cell frequency point in the frequency point information list
Breath then uses the cell re-selection conditions of non-preferential grade gravity treatment.
It wherein, can be according to same frequency when the determining module 303 determines the cell re-selection conditions for using priority level gravity treatment
Priority of adjacent domain and the relationship of serving cell priority are assessed respectively；
It is wherein, described to be assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority, comprising:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, compare the S value and first of homogeneous-frequency adjacent-domain
The size relation of default reselection evaluation threshold value；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, than
It is default compared with the S value of the size relation and serving cell of the S value of homogeneous-frequency adjacent-domain and the first default reselection evaluation threshold value and second
The size relation of reselection evaluation threshold value.
What needs to be explained here is that preset different reselection evaluation threshold value is indicated with " first " and " second ",
In, the threshold value of homogeneous-frequency adjacent-domain is indicated with the first default reselection evaluation threshold value；With the second default reselection evaluation threshold value come
Indicate the threshold value of serving cell.
Here, the priority level gravity treatment is concurrently carried out with the non-preferential grade gravity treatment, and first meets reselection evaluation item
The first triggering gravity treatment of part.
In practical applications, the acquisition module 301, judgment module 302, determining module 303, trigger module 304
By central processing unit (CPU, Central Processing Unit), microprocessor (MPU, the Micro being located on UE
Processor Unit), digital signal processor (DSP, Digital Signal Processor) or field-programmable gate array
(FPGA, Field Programmable Gate Array) etc. is arranged to realize.
The embodiment of the present invention obtains frequency point information list；According to the frequency point information list of acquisition, judge whether containing
Frequency point information identical with current service cell frequency point, and cell re-selection conditions are determined according to judging result；Persistently preset
After the reselection evaluation time, serving cell gravity treatment is triggered using determining cell re-selection conditions.In this way, by adjacent area on same frequent point
Reselection evaluation is added in priority level reselection evaluation system, efficiently solves priority level in UTRAN agreement in the prior art
Reselection evaluation strategy does not support the problem of homogeneous-frequency adjacent-domain gravity treatment, non-preferential grade reselection evaluation strategy has been combined, in this way, making
Two kinds of reselection evaluation modes are concurrently handled, and serving cell gravity treatment can be more reasonably triggered, and improve the gravity treatment performance of UE,
Promote service quality and user experience.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention, should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of method of cell reselection, which is characterized in that the described method includes:
Obtain frequency point information list；
According to the frequency point information list of acquisition, judge whether containing frequency point information identical with current service cell frequency point,
And cell re-selection conditions are determined according to judging result；
After the persistently preset reselection evaluation time, serving cell gravity treatment is triggered using determining cell re-selection conditions；
It is wherein, described that cell re-selection conditions are determined according to judging result, comprising:
If containing frequency point information identical with current service cell frequency point in the frequency point information list, priority level weight is used
The cell re-selection conditions of choosing；If not containing frequency point information identical with current service cell frequency point in the frequency point information list,
Then use the cell re-selection conditions of non-preferential grade gravity treatment.
2. the method according to claim 1, wherein the acquisition frequency point information list, comprising:
According to the system message for the network side broadcast that user equipment (UE) receives, the frequency between different system cells is obtained, by institute
The frequency stated between different system cells constitutes frequency point information list；
Wherein, in the system message further include priority between different system cells.
3. the method according to claim 1, wherein the method also includes: using the small of priority level gravity treatment
When area's reselection conditions, assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority；
Wherein, the relationship according to homogeneous-frequency adjacent-domain priority and serving cell priority carries out assessment respectively and includes:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, the S value and first for comparing homogeneous-frequency adjacent-domain are preset
The size relation of reselection evaluation threshold value, when the S value of homogeneous-frequency adjacent-domain is greater than the first default reselection evaluation threshold value, triggering cell
Gravity treatment；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, the S value and first for comparing homogeneous-frequency adjacent-domain are preset
The size relation of the size relation of reselection evaluation threshold value and the S value of serving cell and the second default reselection evaluation threshold value,
When the S value of homogeneous-frequency adjacent-domain is greater than the first default reselection evaluation threshold value, and the S value of serving cell is commented less than the second default gravity treatment
When estimating threshold value, triggering cell gravity treatment, the first default reselection evaluation threshold value is the threshold value of homogeneous-frequency adjacent-domain；Described second
Reselection evaluation threshold value is preset to indicate the threshold value of serving cell.
4. the method according to claim 1, wherein the priority level gravity treatment and the non-preferential grade gravity treatment
It concurrently carries out, and first meets the first triggering gravity treatment of reselection evaluation condition.
5. a kind of device of cell reselection, which is characterized in that described device include: obtain module, judgment module, determining module,
Trigger module；Wherein,
The acquisition module, for obtaining frequency point information list；
The judgment module, for the frequency point information list according to acquisition, judge whether containing with current service cell frequency
The identical frequency point information of point；
The determining module, for determining cell re-selection conditions according to the judging result of the judgment module；
The trigger module, for triggering clothes using determining cell re-selection conditions after the persistently preset reselection evaluation time
Business cell reselection；
Wherein, the determining module, is specifically used for:
If containing frequency point information identical with current service cell frequency point in the frequency point information list, priority level weight is used
The cell re-selection conditions of choosing；If not containing frequency point information identical with current service cell frequency point in the frequency point information list,
Then use the cell re-selection conditions of non-preferential grade gravity treatment.
6. device according to claim 5, which is characterized in that the acquisition module is specifically used for:
According to the system message of the UE network side broadcast received, the frequency between different system cells is obtained, by the not homology
The frequency of system minizone constitutes frequency point information list；
Wherein, in the system message further include priority between different system cells.
7. device according to claim 5, which is characterized in that the determining module is also used to using priority level gravity treatment
Cell re-selection conditions when, assessed respectively according to homogeneous-frequency adjacent-domain priority and the relationship of serving cell priority；
Wherein, the relationship according to homogeneous-frequency adjacent-domain priority and serving cell priority carries out assessment respectively and includes:
When the homogeneous-frequency adjacent-domain priority is higher than the serving cell priority, the S value and first for comparing homogeneous-frequency adjacent-domain are preset
The size relation of reselection evaluation threshold value, when the S value of homogeneous-frequency adjacent-domain is greater than the first default reselection evaluation threshold value, triggering cell
Gravity treatment；When the homogeneous-frequency adjacent-domain priority is lower than the serving cell priority, the S value and first for comparing homogeneous-frequency adjacent-domain are preset
The size relation of the size relation of reselection evaluation threshold value and the S value of serving cell and the second default reselection evaluation threshold value,
When the S value of homogeneous-frequency adjacent-domain is greater than the first default reselection evaluation threshold value, and the S value of serving cell is commented less than the second default gravity treatment
When estimating threshold value, triggering cell gravity treatment, the first default reselection evaluation threshold value is the threshold value of homogeneous-frequency adjacent-domain；Described second
Reselection evaluation threshold value is preset to indicate the threshold value of serving cell.
8. device according to claim 5, which is characterized in that the priority level gravity treatment and the non-preferential grade gravity treatment
It concurrently carries out, and first meets the first triggering gravity treatment of reselection evaluation condition.
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| CN201610796107.0A CN107801221B (en) | 2016-08-31 | 2016-08-31 | A kind of method and apparatus of cell reselection |
| PCT/CN2017/089023 WO2018040677A1 (en) | 2016-08-31 | 2017-06-19 | Cell reselection method and device, and storage medium |
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| CN201610796107.0A CN107801221B (en) | 2016-08-31 | 2016-08-31 | A kind of method and apparatus of cell reselection |
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| CN111866893B (en) * | 2019-04-29 | 2023-07-21 | 中国移动通信集团河北有限公司 | Capacity optimization processing method and device for cell |
| CN111615159A (en) * | 2019-06-06 | 2020-09-01 | 维沃移动通信有限公司 | Terminal residing method and terminal |
| CN110764713B (en) * | 2019-10-31 | 2023-11-07 | 上海移远通信技术股份有限公司 | Writing method and system of flash memory, electronic equipment, medium and communication module |
| WO2021226761A1 (en) * | 2020-05-09 | 2021-11-18 | Oppo广东移动通信有限公司 | Measurement relax method and apparatus, and terminal device and network device |
| CN111641954B (en) * | 2020-05-25 | 2023-11-07 | 上海载德信息科技股份有限公司 | Frequency point configuration method, device, equipment and storage medium |
| CN111769892B (en) * | 2020-07-28 | 2023-08-18 | 哲库科技(北京)有限公司 | Paging channel monitoring method and device, terminal, chip and storage medium |
| CN113038408B (en) * | 2021-03-26 | 2023-04-07 | 芯翼信息科技(南京)有限公司 | Reselection enhancement method, system, device and storage medium |
| CN115474156A (en) * | 2021-06-11 | 2022-12-13 | 中国移动通信集团重庆有限公司 | Frequency point selection method, device, equipment and readable storage medium |
| US11792712B2 (en) | 2021-12-23 | 2023-10-17 | T-Mobile Usa, Inc. | Cell reselection priority assignment based on performance triggers |
| CN117135710B (en) * | 2023-08-10 | 2024-04-30 | 杭州必博半导体有限公司 | Cell reselection method, device, electronic equipment, storage medium and program product |
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| CN101605351A (en) * | 2009-06-25 | 2009-12-16 | 北京天碁科技有限公司 | A kind of cell reselection processing method of portable terminal and this portable terminal |
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| US9185610B2 (en) * | 2014-01-06 | 2015-11-10 | Qualcomm Incorporated | Handling cell reselection to intra-frequency, inter-frequency, and inter-rat cells of home PLMN |
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| CN101605351A (en) * | 2009-06-25 | 2009-12-16 | 北京天碁科技有限公司 | A kind of cell reselection processing method of portable terminal and this portable terminal |
| CN102740389A (en) * | 2012-06-28 | 2012-10-17 | 华为技术有限公司 | Cell re-selection method for supporting multimedia broadcast services, equipment and system |
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