CN106470454B - Residence reselecting and terminal under fail soft operating mode - Google Patents
Residence reselecting and terminal under fail soft operating mode Download PDFInfo
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- CN106470454B CN106470454B CN201510512586.4A CN201510512586A CN106470454B CN 106470454 B CN106470454 B CN 106470454B CN 201510512586 A CN201510512586 A CN 201510512586A CN 106470454 B CN106470454 B CN 106470454B
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- cell
- value
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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
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
Abstract
The invention discloses the residence reselectings and terminal under a kind of fail soft operating mode, after base station enters fail soft mode, introduce the normal talking signal threshold value that can support normal talking, for the terminal at fault cells edge, if the signal of adjacent base station can support normal talking when cell reselection, i.e. the cell level R value of adjacent base station is greater than normal talking signal threshold value, preferentially select the cell of adjacent base station as reselection target cell at this time, and the non-access strongest cell of signal, reduce the terminal quantity influenced by failure.
Description
Technical field
The invention belongs to wireless communication fields, are more particularly to the cell reselection side of terminal under fail soft operating mode
Method.
Background technique
Private network group system is to meet industry user's command scheduling demand, the private radio towards specific industry application
Communication system, the requirement for reliability and survivability are very high.When because natural calamity, construction accidentally etc. anomalous events lead to base
When the communication disruption between core net of standing or when core network system breaks down, base station should be able to cover model for the base station
User in enclosing maintains the communication service of acceptable service quality, such as to support that individual calling, group are exhaled basic with clusters such as broadcast & call
Business, i.e. offer fail soft function.After communication link restores, base station is switched to normal operating conditions, is in core again
Under network control system.
It is currently based on the private network broadband cluster system of TD-LTE (Time Division Long Term timesharing long term evolution)
System, when the link state of base station and core-network side is from when normally switching to abnormal, system is turned by normal cluster operating mode therewith
For fail soft operating mode.All business are removed in base station, pass through the terminal that the system information notice of cell broadcast service is resident
Into fail soft operating mode, terminal is transferred to fail soft operating mode, will usually terminate ongoing business, initiates special
Different attachment register flow path executes attached base station process, individual calling, group hereafter can be initiated in the coverage area of base station where terminal
It exhales, the business such as broadcast & call.In specific implementation, after base station enters fail soft operating mode, terminate ongoing business, sends out
It send clustering paging message (Trunking Paging) instruction group system broadcast to change, and broadcasts SystemInformationB
LockTypeTrunking message (SIBTrunk), the cellFailureInd cell value in SIBTrunk indicate when being true
The administrative cell in base station enters fail soft operating mode.
In the prior art, terminal receive base station broadcast fail soft instruction after, continue to reside in former serving cell, by into
The base station for entering fail soft operating mode provides service, and such terminal can only carry out single with the terminal call of failure inside of base station
It exhales, the clusters basic service such as group is exhaled, business object, the scope of business and type of business are limited.
Summary of the invention
The technical problem to be solved by the present invention is to how after base station enters fail soft operating mode, fault cells edge
Terminal can be resident with the suitable cell under priority cell gravity treatment to adjacent base station, increase the probability for the base station that access works normally,
To reduce the terminal quantity influenced by failure.
In order to solve the above-mentioned technical problems, the present invention provides the cell reselection sides under a kind of fail soft operating mode
Method the described method comprises the following steps:
It is in fail soft operating mode in the base station accessed, periodically the signal quality of serving cell is surveyed
Cell selection reception power S value is measured and calculated, judges whether the cell selection reception power S value of serving cell is less than with frequency
Cell measurement measures thresholding s-IntraSearch, if so, executing the first common frequency measurement: in measurement first community gravity treatment object set
The signal quality of each adjacent cell, the cell for meeting resident condition (calculate S value according to signal quality, S value is greater than zero and meets
Resident condition) calculate its cell level R value, wherein and the first community gravity treatment object set is to be in adjacent base with serving cell
The set of adjacent cell under standing；Later, it executes the selection of first community reselection target cell: judging whether there is R value and be greater than normally
The adjacent cell of speech signal threshold value, and if it exists, cell reselection to the maximum adjacent cell of R value.
Preferably, when executing the selection of first community reselection target cell, it is greater than if there is no cell level R value normal
The adjacent cell of speech signal threshold value, the method also includes:
Execute the second common frequency measurement: the signal quality of each adjacent cell in measurement second community gravity treatment object set, for meeting
The cell of resident condition calculates its cell level R value, while calculating the cell level R value of serving cell；Wherein described second is small
Gravity treatment object set in area's is the set for the adjacent cell being under same base with serving cell, later, executes second community gravity treatment mesh
Mark cell selection: if serving cell R value is greater than the R for meeting the adjacent cell of resident condition in the second community gravity treatment object set
Value, then continue to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
Preferably, when the base station accessed is in fail soft operating mode, judgement clothes when triggering co-frequency cell gravity treatment
What whether business cell was come by the cell reselection in reduction fail operation mode under adjacent base station, if it is not, described in then executing
First common frequency measurement and first community reselection target cell selection, if selected executing first community reselection target cell
There is no the adjacent cell that R value is greater than normal talking signal threshold value when selecting, second common frequency measurement and described is continued to execute
The selection of second community reselection target cell, otherwise,
Execute third common frequency measurement: the signal quality of each adjacent cell in measurement third cell reselection object set, for meeting
The cell of resident condition calculates its cell level R value, while calculating the cell level R value of serving cell；Wherein the third is small
Gravity treatment object set in area's is the set of all adjacent cells of serving cell；Later, the selection of third cell re-selection target cell is executed: such as
Fruit serving cell R value is greater than the R value for meeting the adjacent cell of resident condition in the third cell reselection object set, continues to reside in
Serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
Preferably, the method also includes following steps after determining the re-selecting cell:
After being resident the adjacent cell under the adjacent base station that gravity treatment is arrived, the adjacent cell that gravity treatment is arrived is current service cell, judgement
Whether current service cell is in normal mode of operation, and when current service cell is in normal mode, it is small to update described first
Area's gravity treatment object set and second community gravity treatment object set, the updated second community gravity treatment object set are small with original service
Area is in the set of the adjacent cell under same base station, and the updated first community gravity treatment object set is current service cell
The set of remaining adjacent cell after the updated second community gravity treatment object set is removed in whole adjacent cells；
When triggering co-frequency cell gravity treatment, the signal of each adjacent cell in the first community gravity treatment object set after measurement updaue
Quality, the cell for meeting resident condition calculates its cell level R value, while calculating the cell level R of current service cell
Value,
Judge to believe with the presence or absence of R value greater than the normal talking in the updated first community gravity treatment object set
The adjacent cell of number threshold value, and if it exists, and current service cell R value is greater than the updated first community gravity treatment pair
The R value for meeting the adjacent cell of resident condition as concentrating, continues to reside in current service cell, and otherwise cell reselection is maximum to R value
Adjacent cell；
In the adjacent cell and current service cell R there is no cell level R value greater than the normal talking signal threshold value
When value is less than the normal talking signal threshold value, each adjacent cell in the second community gravity treatment object set after measurement updaue
Signal quality, the adjacent cell for meeting resident condition calculate its cell level R value, cell reselection to the maximum adjacent cell of R value.
Preferably, before judging whether there is adjacent cell of the cell level R value greater than normal talking signal threshold value, institute
The method of stating further includes the steps that obtaining the normal talking signal threshold value:
The system information of cell broadcast service is obtained, and extracts the normal talking signalc threshold from the system information
Value；Or
The registration response message of base station where obtaining, and the normal talking signal is extracted in the registration response message
Threshold value；Register response message wherein to carry out the response message for adhering to register flow path to base station；Or
Obtain preconfigured normal talking signal threshold value.
Preferably, when constructing first community gravity treatment object set and second community gravity treatment object set, the method also includes sentencing
The method that disconnected serving cell and adjacent cell are in same base or adjacent base station:
The physical-layer cell identifier PCI list of whole adjacent cells of the same frequency gravity treatment of base station broadcast where extracting；
The grouping information of base station where being determined according to the planning of physical-layer cell identifier PCI and formation rule；
For each of PCI list adjacent cell, base where determining it according to its physical-layer cell identifier PCI
The grouping information stood, if the grouping information of base station is identical where the grouping information with serving cell of base station where it, currently
Adjacent cell and serving cell are in same base；If base where the grouping information and serving cell of base station where current adjacent cell
The grouping information stood is different, then current adjacent cell and serving cell are in adjacent base station.
Corresponding to the above method, the invention also discloses a kind of terminal, the terminal include measuring unit, computing unit with
And cell reselection unit；
It is in fail soft operating mode in the base station of terminal access,
The terminal executes the first common frequency measurement and the selection of first community reselection target cell: the measuring unit is periodical
The signal quality of ground measurement serving cell simultaneously calculates serving cell selection reception power S value, is less than in serving cell S value small with frequency
When region measurement thresholding s-IntraSearch, first common frequency measurement is executed: each neighbour in measurement first community gravity treatment object set
The signal quality of cell；
The signal quality for each adjacent cell that the computing unit is obtained according to measurement, calculates the first community gravity treatment object
Concentrate the cell level R value for meeting the adjacent cell of resident condition；Wherein, the first community gravity treatment object set is and serving cell
It is in the set of the adjacent cell under adjacent base station；
It executes the first community reselection target cell by the cell reselection unit later to select: the cell reselection list
Member judges whether there is the adjacent cell that R value is greater than normal talking signal threshold value, and if it exists, cell reselection to the maximum neighbour of R value
Cell.
Preferably, when there is no the adjacent cell that cell level R value is greater than normal talking signal threshold value, it is same to execute second
Frequency measures: the measuring unit is also used to measure the signal quality of each adjacent cell in second community gravity treatment object set, the meter
It calculates unit and is also used to calculate the cell level R for meeting the adjacent cell of resident condition in serving cell and second community gravity treatment object set
Value, wherein the second community gravity treatment object set is the set for the adjacent cell being under same base with serving cell；It holds later
The selection of row second community reselection target cell:
The cell reselection unit is also used to judge whether serving cell R value is greater than in the second community gravity treatment object set
Meet the R value of the adjacent cell of resident condition, if more than continuing to reside in serving cell, otherwise cell reselection to the maximum neighbour of R value
Cell.
Preferably, the terminal further includes state judging unit, for being in fail soft work in the base station accessed
When mode, judge what whether serving cell was come by the cell reselection for being in reduction fail operation mode under adjacent base station, if not
It is then to execute first common frequency measurement and the selection of first community reselection target cell, if executing first community gravity treatment mesh
There is no the adjacent cell that R value is greater than normal talking signal threshold value when marking cell selection, second common frequency measurement is continued to execute
And the second community reselection target cell selection, otherwise execute third common frequency measurement and the choosing of third cell re-selection target cell
It selects:
When triggering co-frequency cell gravity treatment, it is small that the measuring unit is also used to measure each neighbour in third cell reselection object set
The signal quality in area, the computing unit, which is also used to calculate in serving cell and third cell reselection object set, meets resident condition
Adjacent cell cell level R value；Whether the cell reselection unit judges serving cell R value is greater than the third cell reselection
Meet the R value of the adjacent cell of resident condition in object set, if more than continuing to reside in serving cell, otherwise cell reselection to R value
Maximum adjacent cell；Wherein the third cell reselection object set is the set of all adjacent cells of serving cell.
Preferably, the terminal further includes data set updating unit, the terminal housing estate gravity treatment and is resident adjacent base
After adjacent cell under standing, for the adjacent cell that gravity treatment is arrived as current service cell, the terminal judges whether current service cell is located
In normal mode of operation, when current service cell is in normal mode, it is small that the data set updating unit updates described first
Area's gravity treatment object set and second community gravity treatment object set；The updated second community gravity treatment object set is small with original service
Area is in the set of the adjacent cell under same base station, and the updated first community gravity treatment object set is current service cell
The set of remaining adjacent cell after the updated second community gravity treatment object set is removed in whole adjacent cells.
The present invention provides the residence reselectings and terminal under a kind of fail soft operating mode, enter failure in base station
After reduction mode, the normal talking signal threshold value that can support normal talking is introduced, for the terminal of fault cells, cell
If the signal of adjacent base station can support normal talking when gravity treatment, i.e., there are R values to be greater than normal talking signalc threshold for adjacent base station
The cell of value preferentially selects the cell of adjacent base station as re-selecting cell, as far as possible access adjacent base station at this time, is controlled by core net,
To reduce the terminal quantity influenced by failure, at the same it is smaller to the change of system using method of the invention, it realizes simple.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the gravity treatment result schematic diagram using the residence reselecting of the prior art；
Fig. 2 be a preferred embodiment of the invention fail soft operating mode under terminal residence reselecting stream
Cheng Tu；
Fig. 3 is the gravity treatment result schematic diagram that cell reselection is carried out using method of the invention；
Fig. 4 is the schematic diagram using gravity treatment when method progress cell reselection of the invention to fault cells；
Fig. 5 a is the schematic diagram for not improving gravity treatment thresholding, and Fig. 5 b is the schematic diagram for improving gravity treatment thresholding.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawings and examples.Following embodiment is for illustrating this hair
It is bright, but cannot be used to limit the scope of the invention.
In order to solve the above technical problems, the invention discloses the residence reselecting under a kind of fail soft operating mode,
It the described method comprises the following steps:
It is in fail soft operating mode in the base station accessed, periodically the signal quality of serving cell is surveyed
Cell selection reception power S value is measured and calculated, is surveyed in the cell selection reception power S value of serving cell less than co-frequency cell
When measuring thresholding s-IntraSearch, the signal quality of each adjacent cell in first community gravity treatment object set is measured, it is resident for meeting
The cell of condition calculates its cell level R value, wherein the first community gravity treatment object set is to be in adjacent base with serving cell
The set of adjacent cell under standing；Later, the adjacent cell that R value is greater than normal talking signal threshold value is judged whether there is, and if it exists,
Cell reselection is to the maximum adjacent cell of R value.
Concrete meaning is after base station enters fail soft mode, and introducing one can support the normal talking of normal talking to believe
Number threshold value, for the terminal under fault cells, if the signal of adjacent base station can support normal talking when cell reselection, i.e.,
The R value of cell is greater than normal talking signal threshold value under adjacent base station, preferentially selects the cell of adjacent base station as re-aiming at this time
Cell, and the strongest cell of non-access signal can be reduced cell reselection in this way to the cell for being in normal mode of operation as far as possible
The terminal quantity influenced by failure.
It should be noted that the cell for meeting resident condition means that the S value of the cell should by what is measured greater than 0, S value
Cell signal quality is calculated, and the calculation method of S value is existing formula, and details are not described herein again.
Further, when there is no the adjacent cell that R value is greater than normal talking signal threshold value, the method also includes:
The signal quality for measuring each adjacent cell in second community gravity treatment object set, the cell for meeting resident condition calculate
Its cell level R value, while calculating the cell level R value of serving cell；Wherein the second community gravity treatment object set is and clothes
Business cell is in the set of the adjacent cell under same base.If serving cell R value is greater than the second community gravity treatment object set
The R value of the middle adjacent cell for meeting resident condition, then continue to reside in serving cell, otherwise cell reselection is small to the maximum neighbour of R value
Area.
It is meant that in adjacent base station there is no when the cell that R value is greater than normal talking signal threshold value, then triggering cell
The strongest cell of signal under this base station is accessed when gravity treatment.
Further, when the base station accessed is in fail soft operating mode, judge when triggering co-frequency cell gravity treatment
What whether serving cell was come by the cell reselection for being in fail soft operating mode under adjacent base station, if it is not, on then executing
Otherwise step described in text measures the signal quality of each adjacent cell in third cell reselection object set, for meeting resident condition
Cell calculate its cell level R value, while calculating the cell level R value of serving cell；The wherein third cell reselection pair
Set as integrating all adjacent cells as serving cell；If serving cell R value is greater than in the third cell reselection object set
The R value for meeting the adjacent cell of resident condition, continues to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
When its fault cells under being meant that terminal from fault cells gravity treatment to adjacent base station, when triggering co-frequency cell gravity treatment
The cell reselection step of execution standard LTE.
Further, the method also includes following steps after determining the re-selecting cell:
After being resident the adjacent cell under the adjacent base station that gravity treatment is arrived, the adjacent cell that gravity treatment is arrived is current service cell, judgement
Whether current service cell is in normal mode of operation, and when current service cell is in normal mode, it is small to update described first
Area's gravity treatment object set and second community gravity treatment object set, the updated second community gravity treatment object set are small with original service
Area is in the set of the adjacent cell under same base station, and the updated first community gravity treatment object set is current service cell
The set of remaining adjacent cell after the updated second community gravity treatment object set is removed in whole adjacent cells；
When triggering co-frequency cell gravity treatment, the signal of each adjacent cell in the first community gravity treatment object set after measurement updaue
Quality, the cell for meeting resident condition calculates its cell level R value, while calculating the cell level R of current service cell
Value,
Judge to believe with the presence or absence of R value greater than the normal talking in the updated first community gravity treatment object set
The adjacent cell of number threshold value, and if it exists, and current service cell R value is greater than the updated first community gravity treatment pair
The R value for meeting the adjacent cell of resident condition as concentrating, continues to reside in current service cell, and otherwise cell reselection is maximum to R value
Adjacent cell；
In the adjacent cell and current service cell R there is no cell level R value greater than the normal talking signal threshold value
When value is less than the normal talking signal threshold value, each adjacent cell in the second community gravity treatment object set after measurement updaue
Signal quality, the cell for meeting resident condition calculate its cell level R value, cell reselection to described updated described the
The maximum adjacent cell of R value in two cell reselection object sets.
First community gravity treatment object set belongs to high priority gravity treatment object set relative to second community gravity treatment object set, updates
The purpose of first community gravity treatment object set and second community gravity treatment object set is in order to avoid terminal is in former fault cells and current
Gravity treatment back and forth between serving cell.Behind normal cell under terminal is from fault cells gravity treatment to adjacent base station, it may examine at this time
The signal for measuring former fault cells is better than current service cell, to request to access former fault cells, terminal is caused to hinder in cause
Gravity treatment back and forth between cell and current service cell will in adjacent cell list and former fault cells at this time in order to avoid such case
Cell in same base is put into second community gravity treatment object set, i.e., in fail soft in second community gravity treatment object set
The cell of operating mode, other adjacent cells are put into first community gravity treatment object set.Measurement first is small first when terminal housing estate gravity treatment
The signal quality of adjacent cell in area's gravity treatment object set resides in the maximum cell of R value when R value is greater than normal talking signalc threshold
(including serving cell)；Only when serving cell and other base station signals can not support normal talking, just selection access is in event
Hinder the adjacent cell in the second community gravity treatment object set of reduction state.
Further, before judging whether there is adjacent cell of the cell level R value greater than normal talking signal threshold value,
The method also includes obtaining the normal talking signal threshold value:
The system information of cell broadcast service is obtained, and extracts the normal talking signalc threshold from the system information
Value；Or
The registration response message of base station where obtaining, and the normal talking signal is extracted in the registration response message
Threshold value；Register response message wherein to carry out the response message for adhering to register flow path to base station；Or
Obtain preconfigured normal talking signal threshold value.
Selection preferential for the acquisition of normal talking signal threshold value is obtained by way of network, in this way can be cleverer
It is living.
Corresponding to the above method there are a kind of terminal, the terminal includes measuring unit, computing unit and cell reselection
Unit；
It is in fail soft operating mode in the base station of terminal access,
The terminal executes the first common frequency measurement and the selection of first community reselection target cell: the measuring unit is periodical
The signal quality of ground measurement serving cell simultaneously calculates serving cell selection reception power S value, is less than in serving cell S value small with frequency
When region measurement thresholding s-IntraSearch, first common frequency measurement is executed: each neighbour in measurement first community gravity treatment object set
The signal quality of cell；The signal quality for each adjacent cell that the computing unit is obtained according to measurement, calculates the first community
Meet the cell level R value of the adjacent cell of resident condition in gravity treatment object set；Wherein, the first community gravity treatment object set be with
Serving cell is in the set of the adjacent cell under adjacent base station；The first community weight is executed by the cell reselection unit later
Select Target cell to select: the cell reselection unit judges are greater than the adjacent cell of normal talking signal threshold value with the presence or absence of R value,
If it exists, cell reselection is to the maximum adjacent cell of R value.
Further, it when there is no the adjacent cell that R value is greater than normal talking signal threshold value, executes second and is surveyed with frequency
Amount: the measuring unit is also used to measure the signal quality of each adjacent cell in second community gravity treatment object set, and the calculating is single
Member is also used to calculate the cell level R value for meeting the adjacent cell of resident condition in serving cell and second community gravity treatment object set,
Wherein the second community gravity treatment object set is the set for the adjacent cell being under same base with serving cell；Is executed later
The selection of two cell re-selection target cells:
The cell reselection unit is also used to judge whether serving cell R value is greater than in the second community gravity treatment object set
The R value for meeting the adjacent cell of resident condition is greater than in the second community gravity treatment object set in serving cell R value and meets resident item
When the R value of the adjacent cell of part, continue to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
Further, the terminal further includes state judging unit, for being in fail soft work in the base station accessed
When operation mode, judge what whether serving cell was come by the cell reselection for being in fail soft operating mode under adjacent base station, if
It is not then to execute first common frequency measurement and the selection of first community reselection target cell, if executing first community gravity treatment
There is no the adjacent cells that R value is greater than normal talking signal threshold value when Target cell selects, and continue to execute described second and survey with frequency
Amount and second community reselection target cell selection, otherwise execute third common frequency measurement and third cell re-selection target cell
Selection:
When triggering co-frequency cell gravity treatment, it is small that the measuring unit is also used to measure each neighbour in third cell reselection object set
The signal quality in area, the computing unit, which is also used to calculate in serving cell and third cell reselection object set, meets resident condition
Adjacent cell cell level R value；Whether the cell reselection unit judges serving cell R value is greater than the third cell reselection
The R value for meeting the adjacent cell of resident condition in object set is greater than full in the third cell reselection object set in serving cell R value
When the R value of the adjacent cell of the resident condition of foot, continue to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value；Its
Described in third cell reselection object set be serving cell all adjacent cells set.
Further, the terminal further includes data set updating unit,
After the terminal housing estate gravity treatment and the adjacent cell being resident under adjacent base station, the adjacent cell that gravity treatment is arrived is as current
Serving cell, the terminal judge whether current service cell is in normal mode of operation, are in normal in current service cell
When mode, the data set updating unit updates the first community gravity treatment object set and second community gravity treatment object set；More
The second community gravity treatment object set after new is the set for the adjacent cell being under same base station with former serving cell, after update
The first community gravity treatment object set be current service cell whole adjacent cells in remove the updated second community
The set of remaining adjacent cell after gravity treatment object set.
Above-mentioned terminal corresponds to the above method, so no longer carrying out repeating explanation to terminal.
Method and terminal of the invention are illustrated below with reference to specific embodiment.
As shown in Fig. 2, under fail soft operating mode terminal residence reselecting the following steps are included:
Terminal periodic under S1, fail soft operating mode the signal quality of serving cell is measured and calculated
Cell selection reception power S value, judges whether the S value of serving cell is less than co-frequency cell measurement thresholding s-IntraSearch, if
It is the cell level R value (Rn) for calculating the adjacent cell for meeting resident condition in first community gravity treatment object set；Wherein, described first
Cell reselection object set is the adjacent cell set being under adjacent base station with serving cell；
S2, the adjacent cell that R value is greater than normal talking signal threshold value is judged whether there is, and if it exists, cell reselection to R value
Maximum adjacent cell；Otherwise it calculates and meets resident condition adjacent cell in serving cell (Rs) and second community gravity treatment object set
R value (Rn) continues to reside in serving cell if Rs > Rn, otherwise cell reselection to the maximum adjacent cell of R value；Wherein described
Two cell reselection object sets are and serving cell is in the adjacent cell set under same base.
Above method first community gravity treatment object set is the adjacent cell set that adjacent base station is in serving cell, and failure is weak
Terminal under chemical industry operation mode selects the cell of adjacent base station, if the signal of adjacent base station cell cannot prop up in cell reselection first
Normal talking is held, then selects the maximum cell of R value resident from the cell of this base station.
If the adjacent cell under terminal housing estate gravity treatment to adjacent base station, the system letter of the cell is read after acquisition down-going synchronous
Breath, if SIBTrunk indicates the cell operation in normal condition, terminal resides in adjacent cell (existing serving cell), at this time may
It can detect that the cell signal under cause barrier base station is better than serving cell, to request access cause barrier base station, terminal be caused to exist
The minizone gravity treatment back and forth of cause barrier base station and normal adjacent base station.It is heavy from fault cells in terminal in order to avoid such case
Continue to safeguard first community gravity treatment object set and second community gravity treatment object set, wherein first community gravity treatment when choosing normal cell
Object set belongs to high priority gravity treatment object set relative to second community gravity treatment object set, and the object set of second community gravity treatment at this time is more
The new set of cells to be in same base with former fault cells, first community gravity treatment object set are updated to remove in whole adjacent cells
Go the set of remaining adjacent cell after updated second community gravity treatment object set.Measurement first is small first when terminal housing estate gravity treatment
The signal quality of adjacent cell in area's gravity treatment object set calculates cell level R value under the conditions of meeting resident, is greater than in R value normal
The maximum cell of R value (including serving cell) is resided in when speech signal thresholding；Only when serving cell and other base station signals
It can not support that just selection access is in the adjacent cell in the second community gravity treatment object set of fail soft state when normal talking.
If after the adjacent cell under terminal gravity treatment to adjacent base station, knowing that the cell also works in failure after reading system information
Weaken working condition, it is contemplated that the signal of other adjacent base stations can support the possibility very little of normal talking under this scene, at this time
No longer the process of cell reselection is optimized, continues to use the cell reselection criterion of standard LTE, i.e., calculating serving cell and third are small
The R value for meeting the adjacent cell of resident condition in area's gravity treatment object set selects the maximum cell of R value resident.Wherein the third is small
Area's gravity treatment object set, that is, base station broadcast co-frequency neighbor cell list.
The above method of the invention is primarily adapted for use in the terminal at fault cells edge, preferably, can moderately improve described
With the value (s-IntraSearch) of frequency gravity treatment measurement thresholding, for triggering the terminal in fault cells in larger range with frequency
Gravity treatment measurement.
This application involves broadband cluster system be same display system, gravity treatment relevant parameter in co-frequency cell is serving cell
It is carried in system type of information block 3 (SIB3) and system information block type 4 (SIB4):
Parameter Q is defined in the cellReselectionInfoCommon of SIB3Hyst, it indicates serving cell RSRP's
Hysteresis effect, in order to reduce gravity treatment oscillation；
The intraFreqCellReselectionInfo cell of SIB3 defines ginseng related with co-frequency cell gravity treatment
Number, comprises determining whether the gravity treatment thresholding s-IntraSearch for carrying out same frequency gravity treatment, when the S value of terminal position is less than
When equal to s-IntraSearch, co-frequency cell gravity treatment is executed；It further include t-ReselectionEUTRA, it defines cell weight
The signal duration of choosing；
The adjacent cell physics ID for same frequency gravity treatment is defined in the intraFreqNeighborCellList of SIB4
(physCellId, PCI) list and corresponding deviant (q-OffsetCell), calculating of the deviant for Rn in R criterion；
The cell blacklist list that cannot be used for same frequency gravity treatment is defined in the intraFreqBlackCellList of SIB4.
It should be noted that terminal needs week if gravity treatment thresholding s-IntraSearch is not broadcasted in system message
The measurement to serving cell and adjacent cell signal quality is executed to phase property, for description for the sake of simplicity, the present invention is for broadcast
It include the scene of s-IntraSearch in SIB3 in information of uniting.If s-IntraSearch is not broadcasted in system message,
Difference is only that common frequency measurement periodically executes, rather than triggers when serving cell S value is less than s-IntraSearch, this
Invention the method is equally applicable.
Terminal periodic serving cell signal quality is measured and calculates S value, if terminal is in cell at this time
The S value at center, serving cell is greater than gravity treatment threshold value, and terminal can not execute the measurement to adjacent cell, and terminal resides in former clothes
Cell of being engaged in provides service by the base station of fail soft state；If terminal is in cell edge, that is, it is in adjacent cell alternate covering
Adjacent cell common frequency measurement is triggered if the signal quality of serving cell is lower than gravity treatment threshold value s-IntraSearch in region.
R criterion is specific as follows:
Serving cell: Rs=Qmeas, s+Qhyst, s
Adjacent cell: Rn=Qmeas, n+Qoffs, n
Wherein, Qmeas, s, Qmeas, n are the Reference Signal Received Power RSRP value of serving cell and adjacent cell respectively, ginseng
Number Qhyst, s are serving cell Reference Signal Received Power hysteresis, and Qoffs, n define the deviant of respective cell.If
Re-selecting cell is had selected, opening timing device t-ReselectionEUTRA, re-selecting cell is in the t-ReselectionEUTRA time
Interior, Rn is continued above Rs, and terminal is resident more than 1 second in serving cell, then executes gravity treatment to re-selecting cell.Calculating Rn and Rs needs
The parameter wanted can be extracted to obtain in the system information of broadcast.
The neighbour with frequency gravity treatment is carried in the system information of broadcast in the intraFreqNeighborCellList cell of SIB4
Cell PCI list, PCI totally 504 values.Under identical networking scene, the PCI planning of network needs any cell and all neighbours small
Area PCI is not repeated, and two neighboring adjacent area PCI is not repeated.
The following are judge that serving cell and adjacent cell be in one embodiment of same base or adjacent base station: if one
A base station includes three cells, PCI is usually divided into 168 groups using 3 mode of mould, 3 value of PCI mould (0,1,2) is ID in group, small
ID in the PCI=group ID*3+ group in area.The PCI of cell is distributed in the same PCI group under same base station, is distinguished by ID in organizing
The PCI of different community, adjacent base station cell is distributed in different groups.
The present invention by group ID distinguish a base station, the group ID (3 quotient of PCI mould) of adjacent cell PCI if identical with serving cell,
Think that adjacent cell and serving cell are under same base；The group ID of adjacent cell and serving cell are different, then it is assumed that adjacent cell and
Serving cell is in different base station.Therefore when the cell that terminal is resident becomes fault cells from normal cell, above-mentioned first is small
Gravity treatment object set in area's is the adjacent cell collection that the PCI list (lists of all adjacent cells) neutralize that serving cell is in adjacent base station
It closes, above-mentioned second community gravity treatment object set is in the PCI list and serving cell is in the adjacent cell set of same base.
First community gravity treatment object set belongs to high priority gravity treatment object set relative to second community gravity treatment object set.
In order to allow the terminal under fail soft operating mode to access the cell of normal work as far as possible, consideration allows terminal preferentially to connect
Enter the cell of adjacent base station.Invention defines the signalc threshold Rt that one can support normal talking, i.e. normal talking signalc threshold
Value.Think that the cell signal of adjacent base station can support normal talking when the Rn value of adjacent base station cell is greater than Rt.Rt value can be in terminal
Middle pre-configuration, preferably, Rt value passes through network advertisement to terminal, such as: mentioning in the system information block type 3 (SIB3) of broadcast
It takes, or is taken back in attachment registration response when terminal is attached to base station under fail soft.Specifically, it is obtained just by network
The method that normal open talks about signal threshold value is as follows:
The system information of cell broadcast service where obtaining terminal, and the normal talking is extracted from the system information
Signal threshold value；Or
The registration response message of base station where obtaining terminal, and the normal talking is extracted in the registration response message
Signal threshold value；Wherein register the response message that response message carries out attachment register flow path as terminal to base station.
Citing:
It is broadcasted by SIB3:
Rt value is broadcasted under the intraFreqCellReselectionInfo cell of SIB3, and SIB3 message is as follows,
Wherein q-Threshold, that is, normal talking signal threshold value.
Pass through registration response when fail soft to carry
After base station enters fail soft mode, terminal initiates special attachment flow, attached base station process is executed, in base station
It issues in the registration response message of terminal (Trunking Register Accept) and carries Rt value, registration reply message such as following table
Shown, wherein CallHoldThreshold cell, that is, normal talking signal threshold value enters failure in base station as unit of dB
It is carried after reduction operating mode.
In order to make the terminal in alternate covering area access normal Base Station as far as possible, after former base station enters fail soft mode, and
Normal mode of operation is compared, preferably, can moderately improve same frequency gravity treatment measurement thresholding s-IntraSearch at this time, makes larger model
Terminal in enclosing is triggered with frequency gravity treatment, so that the signal in adjacent base station cell is lower than serving cell but accesses when being greater than thresholding Rt
The adjacent base station cell that may be worked normally.As shown in Figure 5 a, s-IntraSearch is not improve gravity treatment thresholding under normal mode
When schematic diagram, the schematic diagram of the gravity treatment limit value is improved in Fig. 5 b, 1 indicates that the region of gravity treatment can be carried out in figure.The two is right
Than can be seen that improve gravity treatment thresholding can trigger larger range in terminal carry out cell reselection.
Two kinds of operative scenarios presented below, to be preferably illustrated to method of the invention.
Scene one: the terminal triggering cell gravity treatment in the cell in fail soft operating mode
Terminal forms first community gravity treatment object set, second community according to the adjacent cell PCI list broadcasted in system information
The cell (under terminal same base) of adjacent base station with serving cell with identical group of ID is put into low gravity treatment by gravity treatment object set
Priority list (second community gravity treatment object set), the adjacent cell (cell under adjacent base station) with different groups of ID are put into Gao Chong
Select priority cell list (first community gravity treatment object set).When executing co-frequency neighbor cell measurement, first under measurement adjacent base station
Adjacent cell list (first community gravity treatment object set) cell Rn value is calculated, according to the size of Rn value for the adjacent cell of S > 0
These cells are put into re-selecting cell candidate list by sequence.
1, the signal of adjacent base station can support normal talking, i.e. Rn > Rt
If the signal of adjacent base station can support normal talking, i.e. Rn > Rt (there are the adjacent cells that Rn value is greater than Rt), weight
Choose the maximum adjacent cell of R value.Access inspection after cell reselection is standard LTE step, and which is not described herein again.
Fig. 1 show the result schematic diagram that gravity treatment is carried out using the reselecting method of the prior art, the terminal weight of cell edge
After choosing measurement, because failure serving cell (Cell3) Rs value is greater than cell (Cell5) Rn value under adjacent base station, clothes are still resided at
Business cell.Fig. 3 is the result schematic diagram that cell reselection is carried out using method of the invention, and serving cell Rs is greater than adjacent base station at this time
Cell Rn, because adjacent cell Rn value is greater than the thresholding Rt that can support normal talking, gravity treatment is resident to adjacent base station cell.
2, the signal of adjacent base station can not support normal talking, i.e. Rn < Rt
If the signal of adjacent base station can not support normal talking, i.e., after being measured to first community gravity treatment object set,
There is no the adjacent cells of Rn > Rt, then continue to measure second community gravity treatment object set (adjacent cell under this base station), for
The adjacent cell of value > 0 S is ranked up according to R value size, is formed re-selecting cell candidate list (including serving cell), terminal selection
R value (Rs or Rn) maximum cell is resident.That is, continue to reside in serving cell if serving cell R value is maximum, it is no
Then, cell reselection is to the maximum adjacent cell of R value.
Cell under terminal gravity treatment to adjacent base station reads the system message of the cell after obtaining down-going synchronous, if
SIBTrunk indicates that the cell operation is normal, and terminal resides in adjacent cell (existing serving cell).
At this point, the terminal in the cell under normal mode of operation may be detected when triggering cell gravity treatment measures
Signal to former fault cells is better than existing serving cell, to request to access former fault cells, causes terminal in former fault cells
The gravity treatment back and forth between normal adjacent cell, in order to avoid such case, when terminal is from fault cells gravity treatment to normal cell, by this
When adjacent cell list in the identical cell (including former fault cells) of cause barrier cell group ID be put into second community gravity treatment object
Collection, other adjacent cells are put into first community gravity treatment object set, and first community gravity treatment object set is relative to second community gravity treatment object
Collection belongs to high priority gravity treatment object set.High gravity treatment priority adjacent cell list (first community weight is measured when cell reselection first
Select object set), and be ranked up adjacent cell according to the R value of calculating, it is maximum to reside in R value under conditions of R value is greater than Rt
Cell (including serving cell)；Only (Rn, Rs < Rt) ability when serving cell and other base station signals can not support normal talking
It sorts after being measured to second community gravity treatment object set (low gravity treatment priority cell), the selection access maximum cell of R value.
Terminal from fault cells gravity treatment to adjacent base station under adjacent cell, if SIBTrunk indicate the cell be also at therefore
Barrier reduction working condition, as shown in figure 4, terminal is from the Cell3 cell reselection of failure eNodeB1 to the Cell4 of eNodeB2, such as
Fruit eNodeB2 is also at fail soft working condition, at this time in base station belonging to other neighboring communities Cell3 (such as
ENodeB4), signal can support the possibility very little of normal talking, and more than one base station operation is said in fail soft mode
Bright system has been likely occurred the failure of large area, does not consider further that the process to terminal housing estate gravity treatment optimizes at this time, terminal
Cell4 is resided in, hereafter (eNodeB marked in the application figure indicates base station using the cell re-selection procedure of standard LTE.Cell
Indicate cell).
If former fault cells are restored back to normal operating conditions from fail soft working condition, this state change cannot be notified
To adjacent base station, the terminal that overlapping coverage area resides in adjacent base station will continue to safeguard the list of low gravity treatment priority cell, continue to use
Previous cell re-selection procedure, until the cell selection of next time.
If terminal moves in the cell, the cell under gravity treatment to other base stations empties first community gravity treatment object set
With second community gravity treatment object set, the cell re-selection procedure of standard LTE is hereafter used.
Scene two: terminal triggering cell gravity treatment in the cell in normal mode of operation is laid equal stress on and is chosen in fail soft
The cell of operating mode
Terminal resides in normal cell, using the cell reselection of standard LTE, if failure adjacent cell signal when cell reselection
Greater than serving cell, to the cell for being in fail soft operating mode, the cell reselection hereafter triggered would be complying to scene one for gravity treatment
It carries out.The eNodeB marked in the application figure indicates base station.Cell indicates cell.
To sum up, after the present invention enters fail soft operating mode in base station, clothes are calculated when terminal triggering is with frequency gravity treatment measurement
The R value for the cell and adjacent cell of being engaged in.The signal that can support terminal normal communication is introduced in cell re-selection target cell selection rule
Thresholding, if the cell signal of adjacent base station can support normal communication, including adjacent base station cell signal to be greater than serving cell, or
Adjacent base station cell signal is less than serving cell but can support normal talking, the cell under gravity treatment to adjacent base station.Cell reselection
Principle is to try to access adjacent base station, and the strongest cell of non-access signal reduces the terminal quantity influenced by failure.
The above embodiments are only used to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, to technical solution of the present invention carry out it is various combination,
Modification or equivalent replacement should all cover and want in right of the invention without departure from the spirit and scope of technical solution of the present invention
It asks in range.
Claims (8)
1. the residence reselecting under a kind of fail soft operating mode, which is characterized in that the described method comprises the following steps:
It is in fail soft operating mode in the base station accessed, periodically the signal quality of serving cell is measured simultaneously
Cell selection reception power S value is calculated, judges whether the cell selection reception power S value of serving cell is less than co-frequency cell
Thresholding s-IntraSearch is measured, if so,
Execute the first common frequency measurement: the signal quality of each adjacent cell in measurement first community gravity treatment object set, it is resident for meeting
The cell of condition calculates its cell level R value, wherein the first community gravity treatment object set is to be in adjacent base with serving cell
The set of adjacent cell under standing；Later,
It executes the selection of first community reselection target cell: it is small greater than the neighbour of normal talking signal threshold value to judge whether there is R value
Area, and if it exists, cell reselection to the maximum adjacent cell of R value；
When executing the selection of first community reselection target cell, and there is no the neighbours that R value is greater than normal talking signal threshold value
When cell, the method also includes:
Execute the second common frequency measurement: the signal quality of each adjacent cell in measurement second community gravity treatment object set, it is resident for meeting
The cell of condition calculates its cell level R value, while calculating the cell level R value of serving cell；The wherein second community weight
Selecting object set is the set for the adjacent cell being under same base with serving cell, later,
Execute the selection of second community reselection target cell: if serving cell R value is greater than in the second community gravity treatment object set
The R value for meeting the adjacent cell of resident condition, then continue to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
2. the method according to claim 1, wherein being in fail soft operating mode in the base station accessed
When, judge whether current service cell is by being in fail soft operating mode under adjacent base station when triggering co-frequency cell gravity treatment
What cell reselection came, if it is not, first common frequency measurement and first community reselection target cell selection are then executed,
If the adjacent cell when executing first community reselection target cell and selecting there is no R value greater than normal talking signal threshold value,
Second common frequency measurement and second community reselection target cell selection are continued to execute, otherwise,
Execute third common frequency measurement: the signal quality of each adjacent cell in measurement third cell reselection object set, it is resident for meeting
The cell of condition calculates its cell level R value, while calculating the cell level R value of serving cell；The wherein third cell weight
Selecting object set is the set of all adjacent cells of serving cell；Later,
Execute the selection of third cell re-selection target cell: if serving cell R value is greater than in the third cell reselection object set
The R value for meeting the adjacent cell of resident condition, continues to reside in serving cell, otherwise cell reselection to the maximum adjacent cell of R value.
3. the method according to claim 1, wherein described after the adjacent cell under cell reselection to adjacent base station
Method is further comprising the steps of:
After being resident the adjacent cell that gravity treatment is arrived, the adjacent cell that gravity treatment is arrived is current service cell, whether judges current service cell
In normal mode of operation, when current service cell is in normal mode, update the first community gravity treatment object set and
Second community gravity treatment object set, the updated second community gravity treatment object set are to be under same base station with former serving cell
Adjacent cell set, the updated first community gravity treatment object set be current service cell whole adjacent cells in remove
The set of remaining adjacent cell after the updated second community gravity treatment object set；
When triggering co-frequency cell gravity treatment, the signal matter of each adjacent cell in the first community gravity treatment object set after measurement updaue
Amount, the cell for meeting resident condition calculates its cell level R value, while calculating the cell level R value of current service cell,
Judge to be greater than the normal talking signal gate with the presence or absence of R value in the updated first community gravity treatment object set
The adjacent cell of limit value, and if it exists, and current service cell R value is greater than the updated first community gravity treatment object set
The R value of the middle adjacent cell for meeting resident condition, continues to reside in current service cell, otherwise cell reselection to the maximum neighbour of R value
Cell；
It is small in the adjacent cell and current service cell R value for being greater than the normal talking signal threshold value there is no cell level R value
When the normal talking signal threshold value, the signal of each adjacent cell in the second community gravity treatment object set after measurement updaue
Quality, the adjacent cell for meeting resident condition calculate its cell level R value, cell reselection to the maximum adjacent cell of R value.
4. the method according to claim 1, wherein judging whether there is cell level R value greater than positive normal open
Before the adjacent cell for talking about signal threshold value, the method also includes obtaining the normal talking signal threshold value:
The system information of cell broadcast service is obtained, and extracts the normal talking signal threshold value from the system information；
Or
The registration response message of base station where obtaining, and the normal talking signalc threshold is extracted in the registration response message
Value；Register response message wherein to carry out the response message for adhering to register flow path to base station；Or
Obtain preconfigured normal talking signal threshold value.
5. the method according to claim 1, wherein the method also includes judging at serving cell and adjacent cell
In same base or the method for adjacent base station:
The physical-layer cell identifier PCI list of whole adjacent cells of the same frequency gravity treatment of base station broadcast where extracting；
The grouping information of base station where being determined according to the planning of physical-layer cell identifier PCI and formation rule；
For each of PCI list adjacent cell, base station where determining it according to its physical-layer cell identifier PCI
Grouping information is current adjacent small if the grouping information of base station is identical where the grouping information with serving cell of base station where it
Area and serving cell are in same base；If base station where the grouping information and serving cell of base station where current adjacent cell
Grouping information is different, then current adjacent cell and serving cell are in adjacent base station.
6. a kind of terminal, which is characterized in that the terminal includes measuring unit, computing unit and cell reselection unit；
Be in fail soft operating mode in the base station of terminal access, terminal first common frequency measurement of execution and first small
The selection of area reselection target cell:
The measuring unit, which periodically measures the signal quality of serving cell and calculates serving cell selection, receives power S value,
When serving cell S value is less than co-frequency cell measurement thresholding s-IntraSearch, first common frequency measurement is executed: measurement the
The signal quality of each adjacent cell in one cell reselection object set；The letter for each adjacent cell that the computing unit is obtained according to measurement
Number quality calculates the cell level R value for meeting the adjacent cell of resident condition in the first community gravity treatment object set；Wherein, institute
State the set that first community gravity treatment object set is the adjacent cell being under adjacent base station with serving cell；Later by the cell weight
Menu member executes the first community reselection target cell selection: the cell reselection unit judges are greater than just with the presence or absence of R value
The adjacent cell of normal open words signal threshold value, and if it exists, cell reselection to the maximum adjacent cell of R value；
When there is no the adjacent cell that R value is greater than normal talking signal threshold value, the second common frequency measurement: the measuring unit is executed
It is also used to measure the signal quality of each adjacent cell in second community gravity treatment object set, the computing unit is also used to calculate service
The cell level R value for meeting the adjacent cell of resident condition in cell and second community gravity treatment object set, wherein the second community
Gravity treatment object set is the set for the adjacent cell being under same base with serving cell；It is small that second community re-aiming is executed later
Area's selection:
The cell reselection unit is also used to judge whether serving cell R value is greater than in the second community gravity treatment object set and meets
The R value of the adjacent cell of resident condition, if more than continuing to reside in serving cell, otherwise cell reselection is small to the maximum neighbour of R value
Area.
7. terminal according to claim 6, which is characterized in that the terminal further includes state judging unit, in institute
When the base station of access is in fail soft operating mode, judge whether serving cell is by being in fail soft work under adjacent base station
What the cell reselection of operation mode came, if it is not, then executing first common frequency measurement and the choosing of first community reselection target cell
It selects, if there is no R values to be greater than the adjacent small of normal talking signal threshold value when executing first community reselection target cell and selecting
Area continues to execute second common frequency measurement and second community reselection target cell selection, otherwise executes third with frequency
Measurement and the selection of third cell re-selection target cell:
When triggering co-frequency cell gravity treatment, the measuring unit is also used to measure each adjacent cell in third cell reselection object set
Signal quality, the computing unit are also used to calculate the neighbour for meeting resident condition in serving cell and third cell reselection object set
The cell level R value of cell；Whether the cell reselection unit judges serving cell R value is greater than the third cell reselection object
The R value for meeting the adjacent cell of resident condition is concentrated, if more than continuing to reside in serving cell, otherwise cell reselection is maximum to R value
Adjacent cell；Wherein the third cell reselection object set is the set of all adjacent cells of serving cell.
8. terminal according to claim 7, which is characterized in that the terminal further includes data set updating unit,
After the terminal housing estate gravity treatment and the adjacent cell being resident under adjacent base station, the adjacent cell that gravity treatment is arrived is as current service
Cell, the terminal judge whether current service cell is in normal mode of operation, are in normal mode in current service cell
When, the data set updating unit updates the first community gravity treatment object set and second community gravity treatment object set；After update
The second community gravity treatment object set be the adjacent cell being in former serving cell under same base station set, updated institute
It states in whole adjacent cells that first community gravity treatment object set is current service cell and removes the updated second community gravity treatment
The set of remaining adjacent cell after object set.
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| CN107517486A (en) * | 2017-08-29 | 2017-12-26 | 深圳市盛路物联通讯技术有限公司 | Relay automatic routing method and device |
| CN107635264B (en) * | 2017-10-13 | 2020-08-28 | Oppo广东移动通信有限公司 | Cell reselection method, mobile terminal and computer readable storage medium |
| CN108174416B (en) * | 2017-12-12 | 2020-12-04 | 东软集团股份有限公司 | Method and apparatus for determining mobile terminal residence area and storage medium |
| CN110213785B (en) * | 2018-02-28 | 2022-04-15 | 成都鼎桥通信技术有限公司 | Fault weakening processing method, network equipment, terminal equipment and system |
| CN110958649B (en) * | 2018-09-26 | 2021-12-21 | 成都鼎桥通信技术有限公司 | Reselection method, terminal and storage medium |
| CN112312499B (en) * | 2020-10-30 | 2023-03-21 | 紫光展锐(重庆)科技有限公司 | Cell reselection method and device |
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| CN101500287A (en) * | 2009-03-13 | 2009-08-05 | 中兴通讯股份有限公司 | Cell reselection implementing method, apparatus and user terminal |
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