CN107371200A - A kind of method and device of cell reselection - Google Patents
A kind of method and device of cell reselection Download PDFInfo
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- CN107371200A CN107371200A CN201610321876.5A CN201610321876A CN107371200A CN 107371200 A CN107371200 A CN 107371200A CN 201610321876 A CN201610321876 A CN 201610321876A CN 107371200 A CN107371200 A CN 107371200A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002085 persistent effect Effects 0.000 claims abstract description 63
- 230000005484 gravity Effects 0.000 claims description 69
- 238000011282 treatment Methods 0.000 claims description 69
- 230000011664 signaling Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010295 mobile communication Methods 0.000 abstract description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000010187 selection method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- 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
- H04W36/00835—Determination of neighbour cell lists
- H04W36/008357—Determination of target cell based on access point [AP] properties, e.g. AP service capabilities
-
- 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
-
- 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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and device of cell reselection, it is related to mobile communication technology field, methods described includes：VoLTE user terminal is supported to obtain and preserve cell VoLTE attributes；When the user terminal of the support VoLTE in Idle state needs to carry out cell reselection, according to the cell VoLTE attributes, from meeting in the persistent district list of reselection conditions, optimal persistent district is determined, and be resident the optimal persistent district.By making user terminal (supporting VoLTE) preferential cell for being resident support VoLTE in Idle state, realize and directly establish speech business in this cell, so as to reduce Signalling exchange, improve wireless resource utility efficiency and paging terminal efficiency.
Description
Technical field
The present invention relates to mobile communication technology field, the method for more particularly to a kind of cell reselection and
Device.
Background technology
Speech business (Voice over based on Long Term Evolution (Long Term Evolution, LTE)
LTE, VoLTE) it is that a kind of network interconnection agreement (Internet Protocol, IP) data pass
Transferring technology, moved without Generation Mobile Telecommunication System technology (2nd Generation, 2G)/third generation
The dynamic communication technology (3rd-Generation, 3G) network, whole service bearers move in forth generation
On the dynamic communication technology (4th Generation, 4G) network, data service and voice are realized
Unification of the business under consolidated network.LTE network not only provides the data service of high-speed,
The voice and video call of high quality is also provided simultaneously, and the voice and video under LTE network leads to
VoLTE technologies are crossed to realize.
VoLTE application scenarios are varied in existing LTE network system, exist with
Lower scene：I. operator tends to data service and VoLTE speech businesses being carried on respectively not
In same frequency range, be so advantageous to the speed of data service is not influenceed by speech business, there is provided
The data service of high-speed；II. voice licence plate exists only in certain system in the lte networks for operator
Formula or some frequency range, therefore, only make speech business in the network below voice licence plate,
And data service is carried out in the network of no voice licence plate, by data service and speech business point
From.For above-mentioned scene, when terminal does not support speech business frequency range to make VoLTE industry at other
Need to be switched to the frequency range cell for supporting VoLTE business during business, connected state is according to terminal
With Idle state (i.e. RRC Idle state), specific implementation method is：For connected state terminal, when
The judgement of switching flow is directly triggered during initiation speech business, switches the terminal into and supports VoLTE
The cell of business；And in Idle state terminal, connect when terminal is resident operator and is not inclined to
Enter voice or the frequency range cell without voice licence plate, when terminal initiates caller or is used as called first
Stochastic accessing cell simultaneously establishes RRC connections, then triggers the judgement of switching flow, that is to say, that
It is resident due to user terminal in Idle state and does not support VoLTE cell, when carries out VoLTE
During business, VoLTE speech businesses can not be directly established from this cell, but need never to prop up
The cell for holding VoLTE enters connected state, is then reached and supported by switching flow in connected state
VoLTE cell.Because VoLTE speech businesses belong to real time business, user perceives very quick
Sense, frequently Signalling exchange between base station in such a scenario be present, waste Radio Resource, shadow
Paging efficiency is rung, causes poor user experience.
The content of the invention
The technical problem that the technical scheme provided according to embodiments of the present invention solves is how to make place
The cell for supporting VoLTE is preferentially resident in the user terminal of RRC Idle state so that the end
End can directly establish speech business in this cell.
The method of the cell reselection provided according to embodiments of the present invention, including：
VoLTE user terminal is supported to obtain and preserve cell VoLTE attributes；
When the user terminal of the support VoLTE in Idle state needs to carry out cell reselection
When, according to the cell VoLTE attributes, from meeting in the persistent district list of reselection conditions,
Optimal persistent district is determined, and is resident the optimal persistent district.
Preferably, the step of described acquisition cell VoLTE attributes include：
The user terminal of the support VoLTE obtains system broadcast message, and from the system
Cell VoLTE attributes are obtained in broadcast message.
Preferably, the VoLTE attributes of each cell by base station side according to the affiliated frequency range branch of cell
Hold VoLTE ability and determine.
Preferably, the cell in the persistent district list corresponds to the priority of frequency according to cell
Order is arranged.
Preferably, the step of described determination optimal persistent district includes：
The user terminal of the support VoLTE in Idle state meets reselection conditions from described
Persistent district list in, choose highest priority and with VoLTE attributes cell, and
The cell is defined as optimal persistent district.
The storage medium provided according to embodiments of the present invention, it is stored for realizing above-mentioned cell weight
The program of the method for choosing.
The device of the cell reselection provided according to embodiments of the present invention, including：
Acquisition module, for obtaining cell VoLTE attributes, and preserve to support VoLTE's
User terminal；
Gravity treatment module, needed for the user terminal as the support VoLTE in Idle state
When carrying out cell reselection, according to the cell VoLTE attributes, from meeting reselection conditions
In the list of persistent district, optimal persistent district is determined, and is resident the optimal persistent district.
Preferably, the acquisition module obtains system broadcast message, and disappears from the system broadcasts
Cell VoLTE attributes are obtained in breath.
Preferably, the cell VoLTE attributes of each cell as base station side according to belonging to cell frequency
Section is supported VoLTE ability and determined.
Preferably, the cell in the persistent district list corresponds to the priority of frequency according to cell
Order is arranged.
Preferably, the gravity treatment module is chosen from meeting in the persistent district list of reselection conditions
Highest priority and the cell with VoLTE attributes, and the cell is defined as optimal stay
Cell is stayed, so that the user terminal of the support VoLTE in Idle state is resident institute
State optimal persistent district.
Technical scheme provided in an embodiment of the present invention has the advantages that：
By making the user terminal (supporting VoLTE) in Idle state preferentially be resident support
VoLTE cell, realizes and directly establishes speech business in this cell, is handed over so as to reduce signaling
Mutually, wireless resource utility efficiency and paging terminal efficiency are improved.
Brief description of the drawings
Fig. 1 is the method block diagram for the cell reselection that the embodiment of the present invention one provides；
Fig. 2 is the device block diagram for the cell reselection that the embodiment of the present invention two provides；
Fig. 3 is that the network side that the embodiment of the present invention three provides sets cell VoLTE attributes and passed
It is delivered to the schematic diagram of end side；
Fig. 4 is that the base station that the embodiment of the present invention four provides carries adjacent area by system information SIB5
VoLTE attribute flow charts；
Fig. 5 is that the support VoLTE terminal gravity treatments that the embodiment of the present invention five provides preferentially are resident
Support VoLTE cell flow charts；
Fig. 6 is that the support VoLTE terminals gravity treatment that the embodiment of the present invention six provides is high to priority
And support VoLTE cell flow charts；
Fig. 7 is that the terminal re-selection procedure that the embodiment of the present invention seven provides preferentially is resident support
VoLTE attribute flow charts.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that
Preferred embodiment described below is merely to illustrate and explain the present invention, and is not used to limit this
Invention.
Fig. 1 is the method block diagram for the cell reselection that the embodiment of the present invention one provides, as shown in figure 1,
Step includes：
Step S101：User terminal obtains and preserves abutting subdistrict correlation reselecting parameters, including
Cell VoLTE attributes.
Wherein, the cell VoLTE attributes of each cell by base station side according to the affiliated frequency range of cell
Support VoLTE ability and determine.That is, base station side supports VoLTE according to frequency range
Ability, determine cell support VoLTE ability, then pass through system broadcast message, example
Such as SIB5, user terminal is issued to.
Step S102：When the user terminal of the support VoLTE in Idle state need into
During row cell reselection, according to the cell VoLTE attributes, from meeting the resident of reselection conditions
In cell list, optimal persistent district is determined, and is resident the optimal persistent district.
When the user terminal of the support VoLTE in Idle state needs to carry out cell reselection
When, the terminal chooses the cell for meeting reselection conditions, and the priority of frequency is corresponded to according to cell
Sequentially, selected cell is arranged, forms persistent district list.Then, institute is read
The cell VoLTE attributes of preservation, and according to the cell VoLTE attributes, it is determined that described stay
The VoLTE attributes of each cell in cell list are stayed, are obtained with cell VoLTE attributes
Persistent district list.Finally, from the persistent district row with cell VoLTE attributes
In table, highest priority and the cell with cell VoLTE attributes are chosen, and will be described small
Area is defined as optimal persistent district, is resident to the cell.So, as triggering or unlatching VoLTE
During speech business, the terminal of the support VoLTE can be directly in this cell (i.e. with small
The optimal persistent district of area's VoLTE attributes) VoLTE speech businesses are established, so as to subtract
Few unnecessary Signalling exchange, improves wireless resource utility efficiency and paging efficiency, lifts user's body
Test.
That is, step S102 includes：A. during cell reselection, persistent district row are formed
Table, wherein, each cell is satisfied by cell re-selection conditions and according to priority arranged in list；B. it is sharp
The cell VoLTE attributes obtained with step S101, determine the persistent district list formed in a
In each cell VoLTE attributes；C. according to true in the priority of each cell determined in a and b
The VoLTE attributes of fixed each cell, determine optimal persistent district.
It should be noted that for the user terminal for not supporting VoLTE in Idle state,
When it needs to carry out cell reselection, the cell of highest priority is chosen as optimal persistent district
Be resident, the cell of the highest priority is probably with cell VoLTE attributes
Cell, it is also possible to the cell without cell VoLTE attributes.
It should be noted that for the user terminal in Idle state, when it needs to carry out cell
During gravity treatment, if the user terminal supports VoLTE, priority is chosen from the list of persistent district
Highest and it is resident with the cells of cell VoLTE attributes, if the user terminal is not supported
VoLTE, the then cell that highest priority is chosen from the list of persistent district be resident.
It will appreciated by the skilled person that realize whole in above-described embodiment method or
Part steps are by program the hardware of correlation can be instructed to complete, and described program can be with
Be stored in computer read/write memory medium, the program upon execution, including step S101
To step S103.Wherein, described storage medium can be ROM/RAM, magnetic disc, light
Disk etc..
Fig. 2 is the device block diagram for the cell reselection that the embodiment of the present invention two provides, as shown in Fig. 2
Including acquisition module 10 and gravity treatment module 20.
Acquisition module 10 is used to obtain cell VoLTE attributes, and preserves to support VoLTE
User terminal.Specifically, acquisition module 10 passes through system broadcast message or other message
Interaction, obtain the cell reselection parameters in abutting subdistrict, including cell VoLTE attributes.Its
In, the VoLTE attributes of each cell support VoLTE by base station side according to the affiliated frequency range of cell
Ability and determine.
Gravity treatment module 20 is used for when the user terminal of the support VoLTE in Idle state needs
When carrying out cell reselection, according to the cell VoLTE attributes, from meeting reselection conditions
In the list of persistent district, optimal persistent district is determined, and is resident the optimal persistent district.
Specifically, gravity treatment module 20 needs to carry out cell in the user terminal of the support VoLTE
During gravity treatment, the cell for meeting cell re-selection conditions is chosen, and the preferential of frequency is corresponded to according to cell
Level order is arranged, and forms persistent district list, then according to cell VoLTE attributes,
The VoLTE attributes of each cell in the persistent district list are determined, so as to be had
The persistent district list of cell VoLTE attributes, finally there is cell VoLTE attributes from described
Persistent district list in, choose highest priority and with cell VoLTE attributes cell,
And the cell is defined as optimal persistent district, so that the support in Idle state
VoLTE user terminal is resident the optimal persistent district.
The embodiment of the present invention makes the terminal in RRC Idle state preferentially be resident support VoLTE
Cell, when triggering speech business, can directly establish speech business in this cell, so as to
Unnecessary Signalling exchange is reduced, improves cell terminal paging efficiency, lifts the profit of Radio Resource
With rate.
Be expanded on further below in conjunction with accompanying drawing 3 to accompanying drawing 7, the content illustrated it is not intended that
Restriction to present invention.
The embodiment of accompanying drawing 3 to accompanying drawing 7 supports VoLTE energy according to cell different frequency range first
The difference of power, design configurations module, configuration module are directed to each cell and its neighbor cell configuration
VoLTE attributes, then, the VoLTE attributes of cell are passed into terminal, for example, idle
State terminal can obtain cell VoLTE attributes by system broadcast message SIB5.Secondly, it is idle
State terminal detects that serving cell signal quality is poor in moving process, and terminal performs following cell
Gravity treatment rule：
I. suitable cell list (meeting cell reselection rules) is chosen according to frequency priority,
The cell list is persistent district list；
II. prioritizing selection carries the cell of VoLTE attributes in cell list, according to re-selecting cell
Priority from high to low, selection carry VoLTE attributes cell, when exist carry VoLTE
The cell of attribute, terminal are preferentially resident in this cell, and otherwise, UE is according to original gravity treatment
Priority rule is resident among suitable cell.
Wherein, to gravity treatment rule II, only the terminal for supporting VoLTE abilities is applicable, without
The terminal of VoLTE abilities is supported not perform gravity treatment rule II.
By the application of the embodiment of the present invention, it is resident when Idle state terminal and supports VoLTE's
In cell, when triggering speech business, the foundation of speech business carrying is directly carried out in the cell,
Whether support VoLTE without making decisions cell again and switch over flow, so as to
Radio Resource has been saved to greatest extent, has reduced the interaction flow of signaling, effectively increases paging
Efficiency and user speech experience.
In the embodiment of the present invention, cell VoLTE attributes need to pass to end side, main body
Present Idle state, increase cell VoLTE attribute fields among system broadcast information SIB5, from
And increase the VoLTE attributes of abutting subdistrict in the field.Select when terminal and suitably stay
When staying cell, terminal is adjudicated by cell VoLTE attributes again and is resident the small of support VoLTE
Among area.
Fig. 3 is that the network side that the embodiment of the present invention three provides sets cell VoLTE attributes and passed
The schematic diagram of end side is delivered to, as shown in figure 3, network side is according to rule setting cell VoLTE
Attribute, cell VoLTE attributes are then passed into end side, it is as follows to perform flow：
Step S201：Network side configuration module sets cell VoLTE according to existing cell frequency range
The VoLTE attributes of attribute, i.e. serving cell and abutting subdistrict.
Step S202：Cell VoLTE attributes are passed to end side by network side, and terminal can lead to
Cross connected state interacting message or system broadcast information obtains cell VoLTE attributes.
Idle state terminal is in cell reselection process, according to the cell that can be resident of reselection criterion selection
List (i.e. persistent district list), then, then gone out preferentially by cell VoLTE attribute selections
Resident cell (i.e. optimal persistent district), terminal reside in the cell for supporting VoLTE attributes
In, VoLTE speech businesses are established in this cell when triggering speech business.
Fig. 4 is that the base station that the embodiment of the present invention four provides is carried by system broadcast information SIB5
Adjacent area VoLTE attribute flow charts, as shown in figure 4, base station side configuration module is entered according to frequency range
The setting of row cell VoLTE attributes, for Idle state terminal, passes through system broadcast information SIB5
Alien frequencies adjacent area reselecting parameters are obtained, perform flow as shown in Fig. 2 this example is directed in base station
Exemplified by the abutting subdistrict of cell Cell and configuration, it is as follows to perform flow：
Step S301：Base station supports VoLTE ability according to frequency range, and its configuration module is to base
Stand following serving cell and abutting subdistrict is configured, i.e., whether serving cell and abutting subdistrict
Support VoLTE attributes.
Due to cell support VoLTE it is relevant with frequency range, therefore, different alien-frequency districts its
VoLTE attributes may be inconsistent.In system information SIB5 cells InterFreqNeighCellInfo
Increase VoLTE attribute fields below, a row are formed with physCellId and q-OffsetCell
Table, shows whether abutting subdistrict supports VoLTE abilities.
Step S302:Terminal in Idle state gets alien frequencies reselecting parameters by SIB5 and believed
Breath, including abutting subdistrict VoLTE attribute informations.
In this embodiment, by increasing alien frequencies abutting subdistrict VoLTE category in SIB5 message
Property field, increase VoLTE attribute fields below SIB5 cells InterFreqNeighCellInfo,
A list is formed with physCellId and q-OffsetCell.Terminal receives SIB5 message, can
With distinguishing cell VoLTE attributes, gravity treatment to cell list in be preferentially resident support
The cell of VoLTE attributes, reach saving Radio Resource.
Fig. 5 is that the support VoLTE terminal gravity treatments that the embodiment of the present invention five provides preferentially are resident
VoLTE cell flow charts are supported, as shown in figure 5, this gives Idle state terminal
Gravity treatment rule, first, it is (i.e. resident that the cell list that can be resident is gone out according to gravity treatment Rules Filtering
Cell list), then, preferentially it is resident in the cell list that can be resident and supports VoLTE category
Among the cell of property.Assuming that base station exists under cell A and cell B, cell A, frequency range is
A, A frequency range support VoLTE；Adjacent area B, frequency range B, B frequency range do not support VoLTE；
Cell B gravity treatment priority is higher than cell A；It is divided into according to terminal difference and supports that VoLTE is whole
Hold and do not support VoLTE terminals, do not support VoLTE terminals to refer mainly to data terminal, can not
Make VoLTE speech businesses.Assuming that terminal B supports VoLTE abilities, it is preferentially resident branch
The flow of VoLTE cells is held as shown in step S401：
Step S401：Terminal B supports VoLTE abilities, and cell reselection is obtained by SIB5
Parameter, including cell VoLTE attributes and its gravity treatment priority.Idle state terminal B is got
Cell A supports VoLTE, and cell B does not support VoLTE attributes, and cell B gravity treatments are preferential
Level is higher than cell A.When terminal B carries out gravity treatment, cell A and cell B are satisfied by gravity treatment and stayed
Condition is stayed, therefore, reselection list (i.e. persistent district list) can be resident according to gravity treatment rule cell
Order is cell B and cell A, is not supported according to gravity treatment rule II in invention, cell B
VoLTE, and cell A supports VoLTE, therefore, cell A is resident in terminal B selections.
Assuming that terminal A does not support VoLTE abilities, it is resident the flow of cell such as step
Shown in S402：
Step S402：Terminal A does not support VoLTE abilities, and cell weight is obtained by SIB5
Select parameter, including VoLTE attributes and its gravity treatment priority.Idle state terminal A gets small
Area A supports VoLTE, cell B not to support VoLTE attributes, and cell B gravity treatment priority
Higher than cell A.Because terminal A does not support VoLTE, therefore, when terminal A carries out gravity treatment
Performed according to gravity treatment rule I.Cell A and cell B is satisfied by gravity treatment and is resident condition,
Therefore, reselection list (i.e. persistent district list), gravity treatment can be resident according to gravity treatment rule cell
Priority orders are cell B and cell A, and terminal A does not support VoLTE, do not perform gravity treatment
The high cell B of priority is resident in regular II, selection.
It is resident in the present embodiment by the gravity treatment rule decision terminal of Idle state terminal optimal
Cell, first, original gravity treatment rule is kept, selects suitable persistent district list (to stay
Stay cell list), cell list order is determined by gravity treatment priority, for not supporting VoLTE
The terminal of ability, the high cell of gravity treatment priority is resident according to gravity treatment rule, does not consider gravity treatment
Regular II；Secondly, support that VoLTE capable terminals are (i.e. resident small according to re-selecting cell list
Area's list) in whether support VoLTE attributes to come the optimal persistent district of decision-making, so as to reach weight
The purpose for supporting VoLTE cells is chosen, VoLTE is initiated when supporting the terminal of VoLTE abilities
During business, signaling consumption can be reduced, improve the utilization rate of Radio Resource.
Fig. 6 is that the support VoLTE terminals gravity treatment that the embodiment of the present invention six provides is high to priority
And VoLTE cell flow charts are supported, as shown in fig. 6, the present embodiment further provides sky
The gravity treatment rule of not busy state terminal, first, the cell row that can be resident are gone out according to gravity treatment Rules Filtering
Table, meet gravity treatment rule I；It is equal to there are two cells according to gravity treatment rule II, in reselection list
VoLTE is supported, then resident cell is chosen according to gravity treatment priority.Assuming that base station exists under
Cell A and cell C, wherein, cell A, frequency range A, A frequency range supports VoLTE；It is adjacent
Area C, frequency range C, C frequency range support VoLTE；Cell C gravity treatment priority is higher than cell
A.It is as follows to perform flow：
S501：Terminal B supports VoLTE abilities, and the related ginseng of cell reselection is obtained by SIB5
Number, including cell VoLTE attributes and its gravity treatment priority.Idle state terminal B is obtained
Cell A supports VoLTE, cell C to support VoLTE attributes, and cell C gravity treatment priority
Higher than cell A.
S502：Gravity treatment is carried out in Idle state terminal B, cell A and cell C are satisfied by weight
The resident condition of choosing, therefore, it is (i.e. resident small that reselection list can be resident according to gravity treatment rule I cells
Area's list) sequentially it is cell C and cell A, according to gravity treatment rule II, in the list of re-selecting cell
The cell that multiple support VoLTE be present constantly selects to be resident according to cell reselection priority height
Cell, therefore, terminal B selections are resident cell C.
It is first according to gravity treatment rule II, Idle state terminal gravity treatment to optimal cell in the present embodiment
First, original gravity treatment rule is kept, meets that the re-selecting cell list of reselection conditions is excellent according to gravity treatment
First level height arranges；Secondly, multiple support VoLTE abilities in the list of re-selecting cell be present
Cell, then terminal optimal persistent district is selected according to gravity treatment priority height.
Fig. 7 is that the terminal re-selection procedure that the embodiment of the present invention seven provides preferentially is resident support
VoLTE attribute flow charts, as shown in Figure 7, it is assumed that base station exists under serving cell A, matches somebody with somebody
It is respectively cell B and cell C to put abutting subdistrict, wherein, serving cell A, frequency range A,
A frequency ranges support VoLTE；Adjacent area B, frequency range B, B frequency range support VoLTE；Adjacent area C,
Frequency range is C, and C frequency ranges do not support VoLTE.
Step S601：Base station side configuration module is according to cell A, frequency belonging to adjacent area B and C
Whether section supports VoLTE to judge cell VoLTE attributes, i.e. cell A and cell B are supported
VoLTE, and cell C does not support VoLTE.Base station side passes cell VoLTE attribute informations
End side is passed, for example, being issued by SIB5.
Step S602：Idle state and support VoLTE terminal obtain cell A, cell B and
Cell C VoLTE attributes, cell A gravity treatments priority are higher than cell B, and cell C weights
Priority is selected to be higher than cell B.Idle state and the terminal progress gravity treatment for supporting VoLTE, cell A
Gravity treatment, which is satisfied by, with cell B is resident condition, cell C is unsatisfactory for gravity treatment and is resident condition, therefore,
Re-selecting cell list, which can be resident, includes cell A and cell B, and cell A and cell B are propped up
VoLTE is held, therefore, is resident according to cell reselection priority terminal among cell A.
Step S603：Idle state and support VoLTE terminal are resided among cell A, with
The movement of terminal, cell A is unsatisfactory for terminal and is resident condition, and cell B and cell C are equal
Meet that condition is resident in gravity treatment, therefore, can be resident re-selecting cell list includes cell B and small
Area C, cell B support VoLTE, and cell C does not support VoLTE, therefore, according to end
End gravity treatment rule II is preferentially resident the cell for supporting VoLTE, and terminal gravity treatment to cell B is worked as
In, the cell C higher without being resident gravity treatment priority.
It is resident in this embodiment by the gravity treatment rule decision terminal of Idle state terminal optimal
Cell among, first, keep original gravity treatment rule, select suitable persistent district list
(i.e. persistent district list), cell list order are determined by gravity treatment priority；Secondly, small
According to whether supporting VoLTE attributes to come the optimal persistent district of decision-making, so as to reach in area's list
Cell reselection, so as to reduce signaling consumption, improves to the purpose supported among VoLTE cells
The utilization rate of Radio Resource.
In summary, embodiments of the invention have following technique effect：
The present invention issues cell VoLTE attributes by SIB5, so that terminal is in re-selection procedure
In can use the optimal persistent district of cell VoLTE determined properties, i.e., when in Idle state
Ensure terminal can gravity treatment to optimum subdistrict, unnecessary Signalling exchange can not only be reduced, and
And improve wireless resource utility efficiency and paging efficiency.
Although the present invention is described in detail above, the invention is not restricted to this, this skill
Art art personnel can carry out various modifications according to the principle of the present invention.Therefore, it is all according to
The modification that the principle of the invention is made, it all should be understood to fall into protection scope of the present invention.
Claims (10)
1. a kind of method of cell reselection, including：
VoLTE user terminal is supported to obtain and preserve cell VoLTE attributes；
When the user terminal of the support VoLTE in Idle state needs to carry out cell reselection
When, according to the cell VoLTE attributes, from meeting in the persistent district list of reselection conditions,
Optimal persistent district is determined, and is resident the optimal persistent district.
2. according to the method for claim 1, described acquisition cell VoLTE attributes
Step includes：
The user terminal of the support VoLTE obtains system broadcast message, and from the system
Cell VoLTE attributes are obtained in broadcast message.
3. according to the method for claim 2, the VoLTE attributes of each cell are by base station
Lateral root is supported VoLTE ability according to the affiliated frequency range of cell and determined.
4. according to the method for claim 1, the cell in the persistent district list is pressed
The priority orders that frequency is corresponded to according to cell are arranged.
5. according to the method described in claim 1-4 any one, described determination is optimal to stay
The step of staying cell includes：
The user terminal of the support VoLTE in Idle state meets reselection conditions from described
Persistent district list in, choose highest priority and with VoLTE attributes cell, and
The cell is defined as optimal persistent district.
6. a kind of device of cell reselection, including：
Acquisition module, for obtaining cell VoLTE attributes, and preserve to support VoLTE's
User terminal；
Gravity treatment module, needed for the user terminal as the support VoLTE in Idle state
When carrying out cell reselection, according to the cell VoLTE attributes, from meeting reselection conditions
In the list of persistent district, optimal persistent district is determined, and is resident the optimal persistent district.
7. device according to claim 6, the acquisition module obtains system broadcasts and disappeared
Breath, and cell VoLTE attributes are obtained from the system broadcast message.
8. device according to claim 7, the cell VoLTE attributes of each cell by
Base station side is supported VoLTE ability according to the affiliated frequency range of cell and determined.
9. device according to claim 6, the cell in the persistent district list is pressed
The priority orders that frequency is corresponded to according to cell are arranged.
10. according to the device described in claim 6-9 any one, the gravity treatment module is from completely
In the persistent district list of sufficient reselection conditions, choose highest priority and there is VoLTE attributes
Cell, and the cell is defined as optimal persistent district, so that the institute in Idle state
State and support VoLTE user terminal to be resident the optimal persistent district.
Priority Applications (2)
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| CN201610321876.5A CN107371200A (en) | 2016-05-13 | 2016-05-13 | A kind of method and device of cell reselection |
| PCT/CN2017/073508 WO2017193658A1 (en) | 2016-05-13 | 2017-02-14 | Cell reselection method and device, and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610321876.5A CN107371200A (en) | 2016-05-13 | 2016-05-13 | A kind of method and device of cell reselection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149668A (en) * | 2019-05-23 | 2019-08-20 | 中国联合网络通信集团有限公司 | Residence reselecting, device and terminal |
| CN110691390A (en) * | 2018-07-04 | 2020-01-14 | 中国移动通信有限公司研究院 | Method, device, terminal and storage medium for initiating cell reselection |
| CN111200852A (en) * | 2018-11-20 | 2020-05-26 | 中兴通讯股份有限公司 | Voice calling method, device and storage medium |
| CN111565441A (en) * | 2020-04-29 | 2020-08-21 | Oppo（重庆）智能科技有限公司 | Cell residence method and device |
| CN112437470A (en) * | 2019-08-26 | 2021-03-02 | 中国移动通信有限公司研究院 | Cell reselection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8983448B2 (en) * | 2012-02-06 | 2015-03-17 | Samsung Electronics Co., Ltd. | In-device coexistence interference report control method and apparatus of network in mobile communication system |
| CN103634855B (en) * | 2013-10-30 | 2015-07-08 | 酷派软件技术（深圳）有限公司 | Method of accessing terminal into LTE (Long Term Evolution) network and terminal |
| US9854488B2 (en) * | 2014-03-18 | 2017-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and wireless communication device for idle mode mobility management |
| CN104507131B (en) * | 2015-01-04 | 2018-02-23 | 中国联合网络通信集团有限公司 | VoLTE terminal speech operational programs determine method and VoLTE terminals |
-
2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110691390A (en) * | 2018-07-04 | 2020-01-14 | 中国移动通信有限公司研究院 | Method, device, terminal and storage medium for initiating cell reselection |
| CN110691390B (en) * | 2018-07-04 | 2021-09-14 | 中国移动通信有限公司研究院 | Method, device, terminal and storage medium for initiating cell reselection |
| CN111200852A (en) * | 2018-11-20 | 2020-05-26 | 中兴通讯股份有限公司 | Voice calling method, device and storage medium |
| CN110149668A (en) * | 2019-05-23 | 2019-08-20 | 中国联合网络通信集团有限公司 | Residence reselecting, device and terminal |
| CN112437470A (en) * | 2019-08-26 | 2021-03-02 | 中国移动通信有限公司研究院 | Cell reselection method and device |
| CN112437470B (en) * | 2019-08-26 | 2022-07-19 | 中国移动通信有限公司研究院 | Cell reselection method and device |
| CN111565441A (en) * | 2020-04-29 | 2020-08-21 | Oppo（重庆）智能科技有限公司 | Cell residence method and device |
| CN111565441B (en) * | 2020-04-29 | 2022-05-06 | Oppo（重庆）智能科技有限公司 | Cell residence method and device |
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| WO2017193658A1 (en) | 2017-11-16 |
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