CN106714246A - Base station and cell switching method and device - Google Patents
Base station and cell switching method and device Download PDFInfo
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- CN106714246A CN106714246A CN201510770082.2A CN201510770082A CN106714246A CN 106714246 A CN106714246 A CN 106714246A CN 201510770082 A CN201510770082 A CN 201510770082A CN 106714246 A CN106714246 A CN 106714246A
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- 230000002776 aggregation Effects 0.000 claims abstract description 34
- 238000004220 aggregation Methods 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 230000002085 persistent effect Effects 0.000 description 22
- 238000005259 measurement Methods 0.000 description 20
- 230000006870 function Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—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
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Abstract
The invention discloses a base station and a cell switching method and device. The method comprises that a service cell obtains a carrier aggregation frequency point supported by a terminal; the service cell obtains a neighbor cell set which comprises the carrier frequency point of each cell; the service cell selects neighbor cells, whose frequency point is the same with the carrier aggregation frequency point supported by the terminal, from the neighbor cell set, and determines the selected neighbor cells as a target cell set; the service cell selects a specific cell from the target cell set, and determines the specific cell as a target cell; and the service cell initiates cell switching. According to the invention, the terminal can reside in the specific main carrier cell, and the problem of ping-pong handover caused by that the terminal triggers coverage based switching after change of the main carrier is solved.
Description
Technical field
The present invention relates to field of mobile communication, more particularly to a kind of base station and cell switching method and device.
Background technology
In Long Term Evolution (Long Term Evolution, referred to as LTE) system, terminal always selects letter
Number best cell is resident, and prioritizing selection signal quality best adjacent area in base station is used as switching target small area.Carry
Under ripple aggregation scene, the terminal for supporting carrier aggregation is also according to this rule, in cell switch process, choosing
The best cell of signal is selected to be resident.
For the terminal for supporting carrier aggregation, because the reason such as carrier wave physical characteristic where cell was, it is necessary to should
Terminal is switched to specific carrier wave, is resident as the main carrier of the terminal, but based on the current third generation
Partner program (the 3rd Generation Partnership Project, referred to as 3GPP) agreement is small
After area's switching, terminal still can selection signal best cell be resident, if carrier cell where after switching
The signal quality that signal quality does not switch former cell is good, and terminal can again initiate cell switching, cause end
There is the problem of pingpang handoff in end.
The content of the invention
In view of supporting that the terminal of carrier aggregation in cell switch process, occurs pingpang handoff in the prior art
Problem, it is proposed that the present invention overcomes above mentioned problem or solve the above problems at least in part to provide one kind
Base station and cell switching method and device.
The present invention provides a kind of cell switching method, including：
Serving cell obtains the carrier aggregation frequency that terminal is supported；
Serving cell obtains adjacent area set, wherein, adjacent area set includes the carrier frequency point of each cell；
Serving cell selects the carrier aggregation frequency identical adjacent area supported with terminal in gathering from adjacent area, it is determined that
It is Target cell set；
Serving cell selects to specify cell from Target cell set, is defined as Target cell；
Serving cell initiates cell switching.
Also, it is defined as after Target cell, the method also includes：
Serving cell obtains the signal quality value of the Serving cell, used as the first signal quality value；
Serving cell obtains the signal quality value of Target cell, used as secondary signal mass value；
Initially handing over threshold value, the first signal quality value and secondary signal mass value according to terminal, it is determined that newly
Handoff threshold value.
Wherein, according to terminal initially handing over threshold value, the first signal quality value and secondary signal mass value,
Determine the treatment of the new handoff threshold value of terminal, specifically include：
First signal quality value and secondary signal mass value make the difference, if difference is just, by poor signal quality
Used as signal quality deviant, if difference is negative, signal quality deviant is zero to value；
The initially handing over threshold value of terminal and signal quality deviant are done and, obtain new handoff threshold value.
Wherein, according to terminal initially handing over threshold value, the first signal quality value and secondary signal mass value,
Determine the treatment of the new handoff threshold value of terminal, specifically include：
First signal quality value and secondary signal mass value are averaged, and obtain signal quality difference；
Using signal quality difference as new handoff threshold value.
In addition, being defined as after Target cell, the method also includes：
Setting signal threshold value of poor quality；
Target cell the initially handing over threshold value of terminal and poor signal quality threshold value are done and, as the new of terminal
Handoff threshold value.
Preferably, it is defined as after Target cell, the method also includes：
Serving cell initiates cell switching；
New handoff threshold value is sent to terminal by Target cell.
Wherein, terminal is to support the terminal of carrier aggregation.
Present invention also offers a kind of switching device, including：
Carrier frequency point acquisition module, the carrier aggregation frequency for obtaining terminal support；
Acquisition module is gathered in adjacent area, for obtaining adjacent area set, wherein, adjacent area set includes each cell
Carrier frequency point；
Target cell acquisition module, for gathering from adjacent area in selection with terminal support carrier aggregation frequency phase
Same adjacent area, is defined as Target cell set；
Target cell determining module, for selecting to specify cell from Target cell set, is defined as target small
Area；
Cell handover module, for initiating cell switching.
The device also includes：
Handoff threshold value processing module, the signal quality value for obtaining the Serving cell, as the first signal
Mass value, and the signal quality value of Target cell is obtained, as secondary signal mass value, and according to terminal
Initially handing over threshold value, the first signal quality value and secondary signal mass value, it is determined that new handoff threshold value.
The device also includes：
Sending module, for new handoff threshold value to be sent into terminal.
Present invention also offers a kind of base station including above-mentioned cell switching device.
The present invention has the beneficial effect that：
By means of the cell switching method of the embodiment of the present invention, solve and support carrier aggregation in the prior art
There is the problem of pingpang handoff again after it there is main carrier cell switch process in terminal, by the present invention,
Terminal can be resident in the main carrier identical cell specified with base station, it is to avoid after cell switching, table tennis occurs
Pang switching.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technology of the invention
Means, and being practiced according to the content of specification, and in order to allow above and other objects of the present invention,
Feature and advantage can become apparent, below especially exemplified by specific embodiment of the invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are for ability
Domain those of ordinary skill will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and simultaneously
It is not considered as limitation of the present invention.And in whole accompanying drawing, identical is denoted by the same reference numerals
Part.In the accompanying drawings：
Fig. 1 is the structural representation of the cell switching device of the embodiment of the present invention；
Fig. 2 is the detailed construction schematic diagram of the cell switching device of the embodiment of the present invention；
Fig. 3 is the flow chart of the cell switching method of the embodiment of the present invention；
Fig. 4 is the structural representation of the base station of the embodiment of the present invention；
Fig. 5 is the flow chart one of the detailed treatment of the cell switching method of the embodiment of the present invention；
Fig. 6 is the flowchart 2 of the detailed treatment of the cell switching method of the embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure without should be by
Embodiments set forth here is limited.Conversely, there is provided these embodiments are able to be best understood from this
It is open, and can by the scope of the present disclosure it is complete convey to those skilled in the art.
At present, the technology on controlling user persistent district is carried out by granularity of cell in 3GPP agreements
Adjustment, no matter the modification of frequency priority or handover measurement thresholding, can all have influence on all of under cell
User, it is impossible to meet to the control of particular terminal (for example：Under carrier aggregation scene, only support that carrier wave gathers
The terminal of conjunction just needs to adjust main carrier), while one-side parameter modification can cause terminal transfer to target
After cell, it is possible to the switching based on covering can be triggered, former cell is switched back into again, produce pingpang handoff.
It is bigger to obtain by two or more carrier wave joint transmission data under the scene of carrier aggregation
System bandwidth, lifts the speed experience of user.Carrier aggregation can make full use of multiple frequency ranges of operator to provide
Source, but transmission characteristic is different between the carrier wave of polymerization, can there is covering performance difference, prioritizing selection covering
Preferable carrier wave can lift efficiency of transmission as main carrier.This requires that there is control user to be resident for base station
The function of cell.Below in conjunction with accompanying drawing and embodiment, the present invention will be described in further detail.Should
Understand, the specific embodiments described herein are merely illustrative of the present invention, do not limit the present invention.
Device embodiment
A kind of embodiments in accordance with the present invention, there is provided cell switching device, Fig. 1 is the embodiment of the present invention
The structural representation of cell switching device, as shown in figure 1, cell switching device according to embodiments of the present invention
Including carrier frequency point acquisition module 100, adjacent area set acquisition module 102, Target cell acquisition module 104
With Target cell determining module 106 and cell handover module 108, wherein,
Carrier frequency point acquisition module 100, the carrier aggregation frequency for obtaining terminal support；
Acquisition module 102 is gathered in adjacent area, for obtaining adjacent area set, wherein, adjacent area set includes each
The carrier frequency point of cell；
Target cell acquisition module 104, for gathering from adjacent area in selection with terminal support carrier aggregation frequently
Point identical adjacent area, is defined as Target cell set；
Target cell determining module 106, for selecting to specify cell from Target cell set, is defined as mesh
Mark cell；
Cell handover module 108, for initiating cell switching.
Fig. 2 is the detailed construction schematic diagram of the cell switching device of the embodiment of the present invention, as shown in Fig. 2 small
Area's switching device also includes handoff threshold value processing module 110 and sending module 112, wherein,
Handoff threshold value processing module 110, the signal quality value for obtaining the Serving cell, as first
Signal quality value, and the signal quality value of Target cell is obtained, as secondary signal mass value, and according to
The initially handing over threshold value of terminal, the first signal quality value and secondary signal mass value, it is determined that new switching door
Limit value；
Sending module 112, for new handoff threshold value to be sent into terminal.
By the embodiment of the present invention, terminal can be resident in specified main carrier cell, while avoiding due to end
After end change main carrier, there is the problem of pingpang handoff in switching of the triggering based on covering again.
Base station embodiment
A kind of embodiments in accordance with the present invention, there is provided base station, the base station includes that cell mentioned above switches
Device, repeats no more here.
The embodiment of the present invention, of the invention to be closed the functions of modules of above-mentioned cell switching device for convenience of description
And, cell switching device includes discriminative information acquisition module, persistent district judging module and resident strategy execution
Module, wherein, discriminative information acquisition module (possesses carrier frequency point acquisition module 100 mentioned above, neighbour
The function of area's set acquisition module 102, Target cell acquisition module 104 and Target cell determining module 106),
Persistent district judging module (possessing the function of handoff threshold value processing module 110 mentioned above) and resident
Policy enforcement module (possesses the function of cell handover module 108 mentioned above), wherein：
Discriminative information collection module is used to collect the information that persistent district judging module needs to collect, according to reality
Application scenarios are different, it is necessary to the information collected there is also difference.For example：Load balancing energy supply needs to collect clothes
The load signaling of business cell and adjacent area, carrier aggregation energy supply need to collect Serving cell and adjacent area frequency point information.
Discriminative information collection module sends persistent district judging module to after collecting information；
Persistent district judging module is used for according to the related letter in different business scenarios, terminal ability information and adjacent area
Whether breath judgement terminal needs to adjust persistent district and resident Target cell, while it is small to calculate adjustment target
The deviant of region measurement parameter, forms terminal persistent district strategy and is sent to resident policy enforcement module；
Resident policy enforcement module is used for the execution for being responsible for being resident strategy.
So, in cell switch process, discriminative information acquisition module, persistent district judging module and resident
The specific treatment of policy enforcement module is as follows：
First, discriminative information collection module is responsible for collecting the information that persistent district judging module needs to collect, and presses
It is different, it is necessary to the information collected there is also difference according to practical application scene.For example：Load balancing energy supply needs
The load signaling of collection Serving cell and adjacent area, carrier aggregation energy supply need to collect Serving cell and adjacent area frequency
Information.Discriminative information collection module sends persistent district judging module to after collecting information.
Then, when there is terminal to access cell, persistent district judging module is according to different business scenarios, end
Whether end ability information and adjacent area relevant information judgement terminal need adjustment persistent district and resident target small
Area, forms terminal persistent district strategy and is sent to resident policy enforcement module.
Then, resident policy enforcement module is responsible for being resident the execution of strategy.Initiate to switch to resident Target cell
Flow, carries the deviant of adjustment Target cell measurement parameter in handover request message, is resident Target cell
After receiving handover request message, the deviant for wherein adjusting Target cell measurement parameter is preserved.
Afterwards, switch former cell, Target cell and complete switching flow.
Finally, terminal handover measurement of the configuration based on covering is given in switching target small area, in the original switching door of terminal
The deviant of the adjustment Target cell measurement parameter preserved in handover request is superimposed with the basis of limit.
Embodiment of the method
Embodiments in accordance with the present invention, there is provided a kind of cell switching method, Fig. 3 is the embodiment of the present invention
The flow chart of cell switching method, as shown in figure 3, cell switching method according to embodiments of the present invention includes
Following treatment：
Step 301, Serving cell obtains the carrier aggregation frequency that terminal is supported；
Step 302, Serving cell obtains adjacent area set, wherein, adjacent area set includes the load of each cell
Wave frequency point；
Step 303, Serving cell selects the carrier aggregation frequency identical supported with terminal in gathering from adjacent area
Adjacent area, is defined as Target cell set；
Step 304, Serving cell selects to specify cell from Target cell set, is defined as Target cell；
Step 305, Serving cell initiates cell switching.
After step 305, the method also includes step 306 and step 307：
Step 306, Serving cell obtains the signal quality value of the Serving cell, as the first signal quality value,
Serving cell obtains the signal quality value of Target cell, as secondary signal mass value, and according to the first of terminal
Beginning handoff threshold value, the first signal quality value and secondary signal mass value, it is determined that new handoff threshold value.
New handoff threshold value is sent to terminal by step 307, Target cell.
Wherein, within step 306, it is possible to use following three kinds of methods determine new handoff threshold value：
The first：First signal quality value and secondary signal mass value are made the difference, signal quality difference is obtained,
If difference be on the occasion of, the initially handing over threshold value of terminal and signal quality difference are done and, obtain new cutting
Threshold value is changed, the initially handing over threshold value of otherwise terminal is constant.
Second：First signal quality value and secondary signal mass value are averaged, poor signal quality is obtained
Value；Using signal quality difference as new handoff threshold value.
The third：Setting signal threshold value of poor quality, by the initially handing over threshold value of terminal and signal quality difference limen
Value do and, as the new handoff threshold value of terminal.
The method that the present invention provides a kind of control user persistent district of user class, carries for flexible control terminal
Frequency division cloth, meet carrier aggregation frequency two priority classes and lifting LTE network scene applicability have important
Meaning.
The technical scheme to the embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings：Fig. 4 is this
The detailed construction schematic diagram of the base station of inventive embodiments, as shown in figure 4, base station according to embodiments of the present invention
Including：Former eNodeB and resident migration target eNodeB, mould is gathered on former eNodeB comprising discriminative information
Block, persistent district judging module and resident policy enforcement module, include on resident migration target eNodeB
Discriminative information acquisition module and resident policy enforcement module, Fig. 5 are the cell switching methods of the embodiment of the present invention
Detailed treatment flow chart one, be the embodiment based on configuration under carrier aggregation scene, with reference to the base of Fig. 4
Station structure schematic diagram, as shown in figure 5, cell switching method specifically includes following treatment：
Step 501：The discriminative information acquisition module of former eNodeB gathers this cell (clothes i.e. mentioned above
Business cell) and adjacent area frequency point information.
Step 502：When there is new terminal to access this cell, if the terminal is to open carrier aggregation function
Terminal, resident judging module judges that carrier aggregation priority main carrier frequency is not this subdistrict frequency point, then from adjacent area
The selection adjacent area consistent with preferential main carrier frequency, generation master in list (adjacent area set i.e. mentioned above)
Carrier switch target cell list (Target cell set i.e. mentioned above), and thresholding deviant will be measured
(poor signal quality threshold value i.e. mentioned above) is configured to fixed value.Resident judging module switches main carrier
Target cell list and measurement thresholding deviant are sent to resident policy enforcement module.
Step 503：Resident policy enforcement module randomly chooses one from the list of main carrier switching target small area
Cell initiates switching flow as switching target small area, measurement thresholding deviant band in handover request message
To Target cell.
Step 504：The measurement thresholding that the resident policy enforcement module of Target cell is preserved in handover request message is inclined
Shifting value, while performing normal switching flow switches the terminal into Target cell.
Step 505：Target cell handover measurement configuration of the resident policy enforcement module generation based on covering, will
Measurement thresholding deviant and handoff threshold (initially handing over threshold value i.e. mentioned above) do and after, as new
Handoff threshold value be allocated to terminal.
Step 506：Terminal initiates wireless heterogeneous networks (Radio Resource Control, referred to as RRC)
Release flow, resident policy enforcement module carries cell reselection priority parameter in RRC Release message
(IdleModeMobilityControlInfo->FreqPriorityListEUTRA), by carrier aggregation priority master
Used as cell reselection limit priority frequency, designated terminal selects preferential carrier frequency point first under IDLE states
Main carrier frequency is used as persistent district.
Wherein, step 501 to step 503 is the operation that former eNodeB sides perform, step 504 to step
505 is the operation that target eNodeB sides perform.
Fig. 6 is the flowchart 2 of the detailed treatment of the cell switching method of the embodiment of the present invention, is carrier aggregation
Embodiment based on measurement under scene, with reference to the architecture of base station schematic diagram of Fig. 4, as shown in fig. 6, specific bag
Include following treatment：
Step 601：The discriminative information acquisition module of former eNodeB gathers this cell (clothes i.e. mentioned above
Business cell) and adjacent area frequency point information.
Step 602：When there is new terminal to access this cell, if the terminal is to open carrier aggregation function
Terminal, resident judging module judges that carrier aggregation priority main carrier frequency is not this subdistrict frequency point, then from adjacent area
The selection adjacent area consistent with preferential main carrier frequency, generation master in list (adjacent area set i.e. mentioned above)
Carrier switch target cell list (Target cell set i.e. mentioned above), is resident judging module by main load
The list of ripple switching target small area is sent to resident policy enforcement module.
Step 603：The A4 that resident policy enforcement module is issued on preferential main carrier to terminal measures configuration.
Step 604：Persistent district judging module receives the A4 measurement reports of terminal to report, selection switching mesh
Mark cell.If serving cell signal quality (the first signal quality i.e. mentioned above in A4 measurement reports
Value) and the difference of neighboring cell signal quality (secondary signal mass value i.e. mentioned above) be on the occasion of by the difference
Preserved as measurement thresholding deviant, it is 0 otherwise to measure thresholding deviant.By load balancing Target cell and
Measurement thresholding deviant is sent to resident policy enforcement module.
Step 605：Resident policy enforcement module goes to the switching flow of Target cell, disappears in handover request
In breath Target cell is brought measurement thresholding deviant.
Step 606：The measurement thresholding that the resident policy enforcement module of Target cell is preserved in handover request message is inclined
Shifting value, while performing normal switching flow switches the terminal into Target cell.
Step 607：Target cell handover measurement configuration of the resident policy enforcement module generation based on covering, will
Measurement thresholding deviant is superimposed handoff threshold (initially handing over threshold value i.e. mentioned above) and is cut as new afterwards
Change threshold value and be allocated to terminal.
Step 608：Terminal initiates RRC release flows, and resident policy enforcement module disappears in RRC Release
Cell reselection priority parameter (IdleModeMobilityControlInfo- is carried in breath>
FreqPriorityListEUTRA), using carrier aggregation priority main carrier frequency as cell reselection limit priority
Frequency, designated terminal selects preferential main carrier frequency as persistent district first under IDLE states.
Wherein, step 601 to step 605 is the operation that former eNodeB sides perform, step 506 to step
607 is the operation that target eNodeB sides perform.
Using the method for the invention and device, compared with prior art, a kind of user class control is increased
The method of persistent district, overcomes the defect that cannot carry out persistent district control to single terminal in the prior art,
Lifting LTE network enhances precise control energy of the system to single terminal for the applicability of several scenes
Power, while avoiding prior art because the problem of the terminal pingpang handoff that persistent district migration causes.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the present invention
Bright spirit and scope.So, if it is of the invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Algorithm and display be not intrinsic with any certain computer, virtual system or miscellaneous equipment provided herein
It is related.Various general-purpose systems can also be used together with based on teaching in this.As described above, structure
It is obvious to make the structure required by this kind of system.Additionally, the present invention is not also directed to any certain programmed
Language.It is understood that, it is possible to use various programming languages realize the content of invention described herein, and
The description done to language-specific above is to disclose preferred forms of the invention.
In specification mentioned herein, numerous specific details are set forth.It is to be appreciated, however, that this hair
Bright embodiment can be put into practice in the case of without these details.In some instances, not in detail
Known method, structure and technology are shown, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help understand one in each inventive aspect or
Multiple, in above to the description of exemplary embodiment of the invention, each feature of the invention is sometimes by one
Rise and be grouped into single embodiment, figure or descriptions thereof.However, should not be by the method for the disclosure
It is construed to reflect following intention：I.e. the present invention for required protection requirement ratio institute in each claim is clear and definite
The more features of feature of record.More precisely, as the following claims reflect, hair
Bright aspect is all features less than single embodiment disclosed above.Therefore, it then follows specific embodiment
Claims be thus expressly incorporated in the specific embodiment, wherein each claim conduct in itself
Separate embodiments of the invention.
Those skilled in the art are appreciated that can be carried out certainly to the module in the client in embodiment
Adaptively change and they are arranged in one or more clients different from the embodiment.Can be with
The block combiner in embodiment an into module, and multiple submodule or son can be divided into addition
Unit or sub-component.At least some in except such feature and/or process or unit exclude each other it
Outward, can be using any combinations to public in this specification (including adjoint claim, summary and accompanying drawing)
The all features and all processes or unit of so disclosed any method or client opened carry out group
Close.Unless expressly stated otherwise, it is public in this specification (including adjoint claim, summary and accompanying drawing)
Each feature opened can be replaced by the alternative features for providing identical, equivalent or similar purpose.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other
Some included features are rather than further feature, but the combination meaning of the feature of different embodiments in embodiment
Taste and is within the scope of the present invention and is formed different embodiments.For example, in following claim
In book, the one of any of embodiment required for protection mode can use in any combination.
All parts embodiment of the invention can realize with hardware, or with one or more processor
The software module of upper operation is realized, or is realized with combinations thereof.It will be understood by those of skill in the art that
Can be realized using microprocessor or digital signal processor (DSP) in practice according to of the invention real
Apply some or all functions of some or all parts being loaded with the client of sequence network address of example.
The present invention be also implemented as some or all equipment for performing method as described herein or
Person's program of device (for example, computer program and computer program product).It is such to realize journey of the invention
Sequence can be stored on a computer-readable medium, or can have the form of one or more signal.This
The signal of sample can be downloaded from internet website and obtained, or be provided on carrier signal, or with any
Other forms are provided.
It should be noted that above-described embodiment the present invention will be described rather than limiting the invention, and
And those skilled in the art can design replacement implementation without departing from the scope of the appended claims
Example.In the claims, any reference symbol being located between bracket should not be configured to claim
Limitation.Word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" do not exclude the presence of element as multiple.If the present invention can be by means of including
The hardware of dry different elements and realized by means of properly programmed computer.If listing equipment for drying
In unit claim, several in these devices can be embodied by same hardware branch.
The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
Claims (11)
1. a kind of cell switching method, it is characterised in that including：
Serving cell obtains the carrier aggregation frequency that terminal is supported；
The Serving cell obtains adjacent area set, wherein, the adjacent area set includes the carrier wave of each cell
Frequency；
The Serving cell selects the carrier aggregation frequency phase supported with the terminal in gathering from the adjacent area
Same adjacent area, is defined as Target cell set；
The Serving cell selects to specify cell from the Target cell set, is defined as Target cell；
The Serving cell initiates cell switching.
2. the method for claim 1, it is characterised in that described to be defined as after Target cell,
Also include：
The Serving cell obtains the signal quality value of the Serving cell, used as the first signal quality value；
The Serving cell obtains the signal quality value of the Target cell, used as secondary signal mass value；
Initially handing over threshold value, first signal quality value and the secondary signal matter according to the terminal
Value, it is determined that new handoff threshold value.
3. method as claimed in claim 2, it is characterised in that described to be cut according to the initial of the terminal
Threshold value, first signal quality value and the secondary signal mass value are changed, the new of the terminal is determined
The treatment of handoff threshold value, specifically includes：
First signal quality value and the secondary signal mass value make the difference, and obtain signal quality difference；
The initially handing over threshold value of the terminal is done with the signal quality difference and, obtain new switching door
Limit value.
4. method as claimed in claim 2, it is characterised in that described to be cut according to the initial of the terminal
Threshold value, first signal quality value and the secondary signal mass value are changed, the new of the terminal is determined
The treatment of handoff threshold value, specifically includes：
First signal quality value and the secondary signal mass value are averaged, and obtain poor signal quality
Value；
Using the signal quality difference as new handoff threshold value.
5. the method for claim 1, it is characterised in that described to be defined as after Target cell,
Also include：
Setting signal threshold value of poor quality；
The initially handing over threshold value of the terminal is done with the poor signal quality threshold value and, as the terminal
New handoff threshold value.
6. method as claimed in claim 2, it is characterised in that described to be defined as after Target cell,
Also include：
The new handoff threshold value is sent to terminal by the Target cell.
7. the method as any one of claim 1 to 6, it is characterised in that the terminal is branch
Hold the terminal of carrier aggregation.
8. a kind of cell switching device, it is characterised in that including：
Carrier frequency point acquisition module, the carrier aggregation frequency for obtaining terminal support；
Acquisition module is gathered in adjacent area, for obtaining adjacent area set, wherein, the adjacent area set includes each
The carrier frequency point of cell；
Target cell acquisition module, for selecting to gather with the carrier wave that the terminal is supported from the set of the adjacent area
Sum of fundamental frequencies point identical adjacent area, is defined as Target cell set；
Target cell determining module, for selecting to specify cell from the Target cell set, is defined as mesh
Mark cell；
Cell handover module, for initiating cell switching.
9. device as claimed in claim 8, it is characterised in that also include：
Handoff threshold value processing module, the signal quality value for obtaining the Serving cell, as the first signal
Mass value, and the signal quality value of the Target cell is obtained, as secondary signal mass value, and according to
The initially handing over threshold value of the terminal, first signal quality value and the secondary signal mass value, really
Fixed new handoff threshold value.
10. device as claimed in claim 8, it is characterised in that also include：
Sending module, for the new handoff threshold value to be sent into terminal.
11. a kind of base stations, it is characterised in that including the device any one of claim 8 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770082.2A CN106714246A (en) | 2015-11-12 | 2015-11-12 | Base station and cell switching method and device |
| PCT/CN2016/105500 WO2017080514A1 (en) | 2015-11-12 | 2016-11-11 | Base station and cell switching method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770082.2A CN106714246A (en) | 2015-11-12 | 2015-11-12 | Base station and cell switching method and device |
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| Publication Number | Publication Date |
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| CN106714246A true CN106714246A (en) | 2017-05-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510770082.2A Pending CN106714246A (en) | 2015-11-12 | 2015-11-12 | Base station and cell switching method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106714246A (en) |
| WO (1) | WO2017080514A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969190A (en) * | 2021-02-24 | 2021-06-15 | 中国联合网络通信集团有限公司 | Method and terminal for selecting main carrier of carrier aggregation cell |
| CN113596892A (en) * | 2019-02-01 | 2021-11-02 | Oppo广东移动通信有限公司 | Method and apparatus for wireless communication |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314985B (en) * | 2020-03-24 | 2022-03-22 | 维沃移动通信有限公司 | Cell reselection method and electronic equipment |
| CN111601349A (en) * | 2020-05-15 | 2020-08-28 | RealMe重庆移动通信有限公司 | Terminal network switching method and device and terminal equipment |
| CN114189909A (en) * | 2020-09-15 | 2022-03-15 | 中国移动通信有限公司研究院 | User equipment switching method, device and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345986B (en) * | 2007-07-12 | 2011-05-04 | 华为技术有限公司 | Processing method and base station for switching failure in communication network |
| CA2755233A1 (en) * | 2009-03-11 | 2010-09-16 | Lg Electronics Inc. | Method and apparatus for handover in a multi-carrier system |
| CN102238666B (en) * | 2010-04-30 | 2015-10-21 | 中兴通讯股份有限公司 | Multi-carrier switch processing method and system |
| CN102932927B (en) * | 2011-08-12 | 2016-03-09 | 华为技术有限公司 | Wireless communications method, base station and terminal |
| CN103596227B (en) * | 2013-11-05 | 2016-09-14 | 广东欧珀移动通信有限公司 | Method for switching network and system |
-
2015
- 2015-11-12 CN CN201510770082.2A patent/CN106714246A/en active Pending
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- 2016-11-11 WO PCT/CN2016/105500 patent/WO2017080514A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113596892A (en) * | 2019-02-01 | 2021-11-02 | Oppo广东移动通信有限公司 | Method and apparatus for wireless communication |
| CN113596892B (en) * | 2019-02-01 | 2023-03-24 | Oppo广东移动通信有限公司 | Method and apparatus for wireless communication |
| CN112969190A (en) * | 2021-02-24 | 2021-06-15 | 中国联合网络通信集团有限公司 | Method and terminal for selecting main carrier of carrier aggregation cell |
| CN112969190B (en) * | 2021-02-24 | 2023-10-31 | 中国联合网络通信集团有限公司 | Method and terminal for selecting carrier aggregation cell main carrier |
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|---|---|
| WO2017080514A1 (en) | 2017-05-18 |
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