CN105991255A - Carrier aggregation configuration method and device - Google Patents
Carrier aggregation configuration method and device Download PDFInfo
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- CN105991255A CN105991255A CN201510045150.9A CN201510045150A CN105991255A CN 105991255 A CN105991255 A CN 105991255A CN 201510045150 A CN201510045150 A CN 201510045150A CN 105991255 A CN105991255 A CN 105991255A
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Abstract
The present invention provides a carrier aggregation configuration method and device, wherein the configuration method is applied to a network side, and comprises the steps of determining the information of an accessed cell when a terminal accesses a first frequency band carrier, and setting the accessed cell as a main cell; determining a cell set to which the main cell belongs, wherein the cells in the cell set all have at least part of overlapped coverage of the first frequency band carrier and a second frequency band carrier; obtaining the measurement information for measuring the performance of the second frequency band carrier of each cell in the cell set, ranking the cells in the cell set according to the cell network performance parameters in the measurement information to obtain the cell having the optimal network performance of the second frequency band carrier, and setting the cell as the assistant cell of the terminal; sending the first reconfiguration information to the terminal via a radio resource control (RRC) message, and accessing the assistant cell by the terminal, wherein the first reconfiguration information comprises the information of the assistant cell.
Description
Technical field
The present invention relates to wireless domain, particularly relate to collocation method and the device of a kind of carrier aggregation.
Background technology
Existing CA (Carrier Aggregation, carrier aggregation) technology is little by fixing binding two
District, is used for carrying out carrier aggregation for CA user.When F-band and D frequency range community carry out carrier aggregation,
F-band covers, and user priority resident F-band community, then F-band community is as main carrier, D frequency range
Community, as auxiliary carrier wave, provides carrier aggregation function for CA user.
Coverage in view of real network F-band community with different sector, D frequency range community may differ
Cause, F-band community and D frequency range community can not it is anticipated that overlapping covering, especially in traffic busy,
Problem in prior art is, uses fixing auxiliary carrier wave resource utilization to decline, and this will be big
The big effect reducing carrier aggregation function.
Summary of the invention
It is an object of the invention to provide collocation method and the device of a kind of carrier aggregation, moving by cell set
State is bound, and is possible not only to effectively promote the probability that carrier aggregation occurs, and can also reduce switching, simultaneously
Ensure that the effectiveness of CA function and improve Consumer's Experience.
To achieve these goals, the collocation method of a kind of carrier aggregation that the embodiment of the present invention provides, application
In network side, described collocation method includes:
Judge that terminal accesses the information of accessed community during the first frequency range carrier wave, be main by accessed cell setting
Community;
Judge that the cell set belonging to described main plot, the community in wherein said cell set are respectively provided with the first frequency range
Carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
Obtain the second frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
According to the subzone network performance parameter in described metrical information, the community of described cell set is ranked up,
Go out the community that the network performance of described second frequency range carrier wave is optimum, be set as the secondary cell of described terminal;
The first reconfiguration information is sent to described terminal, by described end by radio resource control RRC message
Terminating into described secondary cell, wherein said first reconfiguration information includes the information carrying described secondary cell.
Further, the community in described cell set is described first frequency range carrier wave and described second frequency range carrier wave
The top n community sorted from high to low of overlapping range.
Wherein, in the community that the network performance drawing described second frequency range carrier wave is optimum, it is set as described terminal
Secondary cell step after, also include:
Whether exist in judging described cell set, with described secondary cell, there is the homogeneous-frequency adjacent-domain of similar frequency bands carrier wave;
In judged result is described cell set, there is described secondary cell there is the same frequency neighbour of similar frequency bands carrier wave
Qu Shi, and the signal quality of described homogeneous-frequency adjacent-domain is higher than the signal quality of described secondary cell lasting Preset Time
After, then utilize described RRC information to send the second reconfiguration message of secondary cell to terminal, by described with frequency
In community, the information of changeable community sends to described terminal, makes secondary cell described in described terminal deletion and accesses
Described changeable community.
Wherein, after the cell set belonging to the described main plot of described judgement, described collocation method also includes:
Obtain the first frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
According to the subzone network performance parameter in described metrical information, the community of described cell set is ranked up,
Go out the community that the network performance of described first frequency range carrier wave is optimum, be set as that the to be switched master of described terminal is little
District;
By radio resource control RRC message transmission the 3rd reconfiguration information to described terminal, by described end
Terminating into described main plot and/or described secondary cell, wherein said 3rd reconfiguration information carries described master
The information of community and the information of described secondary cell.
Further, described network performance parameter at least include the signal intensity of community, resources occupation situation,
One or more of Reference Signal Received Power and Physical Resource Block resources occupation rate.
Further, described acquisition carries out performance survey to the second frequency range carrier wave of community each in described cell set
The metrical information of amount, according to the subzone network performance parameter in described metrical information, little to described cell set
District is ranked up, and draws the community that network performance is optimum, is set as that the step of the secondary cell of described terminal includes:
Obtain the second frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
Reference Signal Received Power according to the community in described metrical information and described Physical Resource Block resources occupation
The network performance importance of rate, distributes the first weight to described Reference Signal Received Power, and to described physics
Resource Block resource distributes the second weight;
The described Reference Signal Received Power of the community of described cell set is ranked up from high to low, obtains
One ranking results;
The described Physical Resource Block resources occupation rate of the community of described cell set is ranked up from low to high,
To the second ranking results;
Described first ranking results is multiplied by described first weight and obtains the first result, and described second ranking results is taken advantage of
The second result is obtained with described second weight, and described first result and described second results added, combined
Close ranking results;
Obtain the community of the first sequence described integrated ordered result sorted from high to low, by described first row
The cell setting of sequence is the secondary cell of the network performance optimum of described terminal.
Accordingly, the present invention also provides for the configuration device of a kind of carrier aggregation, is applied to network side, described in join
Put device to include:
First judging treatmenting module, for judging that terminal accesses the information of accessed community during the first frequency range carrier wave,
It is main plot by accessed cell setting;
Second judging treatmenting module, for judging the cell set belonging to described main plot, wherein said cell set
Interior community is respectively provided with the first frequency range carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
First acquisition module, for obtaining the second frequency range carrier wave Progressive symmetric erythrokeratodermia to community each in described cell set
The metrical information that can measure, according to the subzone network performance parameter in described metrical information, to described cell set
Community be ranked up, draw the community that the network performance of described second frequency range carrier wave is optimum, be set as described
The secondary cell of terminal;
First sending module, for by radio resource control RRC message send the first reconfiguration information to
Described terminal, is accessed described secondary cell by described terminal, and wherein said first reconfiguration information includes carrying
The information of described secondary cell.
Further, the community in described cell set is described first frequency range carrier wave and described second frequency range carrier wave
The top n community sorted from high to low of overlapping range.
Wherein, the configuration device of described carrier aggregation also includes:
Whether judge module, exist in being used for judging described cell set and have similar frequency bands load with described secondary cell
The homogeneous-frequency adjacent-domain of ripple;
Processing module, has similar frequency bands for there is described secondary cell in judged result is described cell set
During the homogeneous-frequency adjacent-domain of carrier wave, and the signal quality of described homogeneous-frequency adjacent-domain higher than described secondary cell signal quality also
After continuing Preset Time, then described RRC information is utilized to send the second reconfiguration message of secondary cell to terminal,
The information of community changeable in described co-frequency cell is sent to described terminal, makes described in described terminal deletion auxiliary
Described changeable community is also accessed in community.
Wherein, the configuration device of described carrier aggregation also includes:
Second acquisition module, for obtaining the first frequency range carrier wave Progressive symmetric erythrokeratodermia to community each in described cell set
The metrical information that can measure, according to the subzone network performance parameter in described metrical information, to described cell set
Community be ranked up, draw the community that the network performance of described first frequency range carrier wave is optimum, be set as described
The to be switched main plot of terminal;
Second sending module, for by radio resource control RRC message send the 3rd reconfiguration information to
Described terminal, is accessed described main plot and/or described secondary cell by described terminal, and wherein said the triple joins
Confidence breath carries information and the information of described secondary cell of described main plot.
Further, described network performance parameter at least include the signal intensity of community, resources occupation situation,
One or more of Reference Signal Received Power and Physical Resource Block resources occupation rate.
Further, described second judging treatmenting module includes:
Acquisition processes submodule, carries out for obtaining the second frequency range carrier wave to community each in described cell set
The metrical information of performance measurement, according to the Reference Signal Received Power of the community in described metrical information with described
The network performance importance of Physical Resource Block resources occupation rate, distributes first to described Reference Signal Received Power
Weight, and distribute the second weight to described Physical Resource Block resource;
First sorting sub-module, is used for the described Reference Signal Received Power of the community of described cell set by height
It is ranked up to low, obtains the first ranking results;
Second sorting sub-module, for the described Physical Resource Block resources occupation rate by the community of described cell set
It is ranked up from low to high, obtains the second ranking results;
Process submodule, be multiplied by described first weight for described first ranking results and obtain the first result, institute
State the second ranking results to be multiplied by described second weight and obtain the second result, and described first result and described second
Results added, obtains integrated ordered result;
Judge submodule, for obtaining first sequence little described integrated ordered result sorted from high to low
District, the secondary cell optimum by the network performance that cell setting is described terminal of described first sequence.
Having the beneficial effect that of the technique scheme of the present invention:
In the solution of the present invention, when terminal accesses the first frequency range carrier wave, accessed community is judged as main plot,
Judge the cell set belonging to main plot again, then obtain the second frequency range to community each in described cell set and carry
Ripple carries out the metrical information of performance measurement, and the community being ranked up cell set draws the community that network performance is optimum
As secondary cell, send the first reconfiguration information by RRC information and carry out accessing secondary cell to terminal, this
Sample uses cell set dynamic binding, is possible not only to effectively promote the probability that carrier aggregation occurs, and can also
Reduce switching, when switch in main plot secondary cell need not switch or secondary cell switch time main plot do not switch,
Thus ensure that the effectiveness of CA function, adapt to more networking scene, not only give play to the property of CA
Can, and improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the first scene graph that the present invention applies;
Fig. 2 is the second scene graph that the present invention applies;
Fig. 3 is the 3rd scene graph that the present invention applies;
Fig. 4 is the 4th scene graph that the present invention applies;
Fig. 5 is the step schematic diagram of the collocation method of the carrier aggregation of the embodiment of the present invention;
Fig. 6 is the configuration of the secondary cell of the embodiment of the present invention and removes the flow chart configured
Fig. 7 is the secondary cell switching flow figure of the embodiment of the present invention;
Fig. 8 is the main plot switching flow figure of the embodiment of the present invention;
Fig. 9 is the schematic diagram of the configuration device of the carrier aggregation of the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
In order to for easy reference is described in greater detail below, it should be noted that the typical networking that this programme relates to
Scene is the same covering scene of co-sited as the first frequency range carrier wave 1 and the second frequency range carrier wave 2 of Fig. 1 cover, figure
Shown in the different covering scene of co-sited that the first frequency range carrier wave 1 of 2 covers from the second frequency range carrier wave 2, Fig. 3
The co-sited that first frequency range carrier wave 1 and the second frequency range carrier wave 2 cover is mended first frequency range of blind scene and Fig. 4 and is carried
The not co-sited networking scene that ripple 1 and the second frequency range carrier wave 2 cover, wherein the first frequency range carrier wave 1 and the second frequency
Duan Zaibo 2 can refer respectively to F-band frequency and D frequency range frequency.
As it is shown in figure 5, the collocation method of the carrier aggregation of the embodiment of the present invention, it is applied to network side, wherein,
Described collocation method includes:
Step 51, it is judged that terminal accesses the information of accessed community during the first frequency range carrier wave, by accessed little
District is set as main plot;
Step 52, it is judged that the cell set belonging to described main plot, the community in wherein said cell set all has
There are the first frequency range carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
Wherein said cell set refers to community set in advance.Can be specifically according to carrier wave when network configuration
It is polymerized attainable topological condition, such as by F-band community and the D frequency range community of same physical site, one
As amount to 6 communities, it is also possible to more or less than 6, due to being that a set of cells (minimum is
2 communities, the most do not set the upper limit).Practical Project need the network topology mode according to carrier aggregation
Determine set of cells.
The community of wherein said least partially overlapped covering is by with reference to alien-frequency district overlapping degree, will preset
2~6 cell definitions of overlapping degree become a carrier aggregation subdistrict collection, and wherein presetting overlapping degree can
To be to be set according to concrete application scenarios, typically take default overlapping degree more as carrier aggregation
The candidate of secondary cell.It is with covering or partly overlapping that community in cell set must have with any of which community
Covering configuration, the user for carrier aggregation must be the most permissible with the alien-frequency district covered at two.
Step 53, obtains the second frequency range carrier wave to community each in described cell set and carries out performance measurement
Metrical information, according to the subzone network performance parameter in described metrical information, enters the community of described cell set
Row sequence, draws the community that the network performance of described second frequency range carrier wave is optimum, is set as the auxiliary of described terminal
Community;
The metrical information wherein obtained can be by terminal to report, it is also possible to entered by other network equipments
The measurement result of row, the mode of any acquisition metrical information belongs to protection scope of the present invention.
Wherein best in order to determine an integrated network performance by the sequence of subzone network performance parameter
Community carries out community switching.
In described cell set, the main plot of mobile phone attachment is main plot, and other communities can serve as auxiliary little
The candidate in district.If the sequence of subzone network performance parameter is by strong according to the signal of subzone network performance parameter
Degree and idling-resource situation carry out integrated ordered come the best secondary cell of prioritizing selection as the secondary cell of user
Bind, thus realize the binding of dynamic secondary cell.Typically can be according in subzone network performance parameter
Signal intensity need meet threshold requirements, by the network load parameter of subzone network performance parameter by height to
Low being ranked up, obtain best secondary cell and carry out binding switching, the number of times for switching does not limit, only
Meet above-mentioned condition all can switch over.
Step 54, sends the first reconfiguration information to described terminal by radio resource control RRC message,
Being accessed described secondary cell by described terminal, wherein said first reconfiguration information includes carrying described secondary cell
Information.
Wherein said RRC (Radio Resource Control, wireless heterogeneous networks).
Configuration for auxiliary carrier wave can include two parts, and a part is pair to be judged the when of being newly-built main carrier
The configuration of carrier wave, a part is to carry out the configuration of auxiliary carrier wave in the handoff procedure of main carrier.
In above-mentioned steps 51 to step 54, when terminal accesses the first frequency range carrier wave, accessed community judges
For main plot (step 51), then judge the cell set (step 52) belonging to main plot, then obtain institute
In stating cell set, the second frequency range carrier wave of each community carries out the metrical information of performance measurement, is ranked up community
The community of collection show that the community of network performance optimum, as secondary cell (step 53), is sent out by RRC information
Send the first reconfiguration information to carry out accessing secondary cell (step 54) to terminal, so use cell set dynamically to tie up
Fixed, it is possible not only to effectively promote the probability that carrier aggregation occurs, and switching can also be reduced, in main plot
During switching, secondary cell need not switch or main plot does not switches during secondary cell switching, thus ensure that CA function
Effectiveness, adapt to more networking scene, not only given play to the performance of CA, and improved use
Family is experienced.
As shown in Figure 6, the configuration of secondary cell and go the idiographic flow of configuration to be exemplified below.
Configure the measurement thresholding A4 of auxiliary carrier wave, the threshold parameter of A2, A6 event.A4 measures for initial
Adding the measurement thresholding of auxiliary carrier wave, A2 is used for deleting auxiliary carrier wave thresholding, and A6 is for switching the measurement of auxiliary carrier wave
Thresholding.
Step 61, the configuration of auxiliary carrier wave occurs user after main carrier initial network entry or main carrier switch
Customer service set up.
Step 62, after having set up such as the customer service of Fig. 6, the UE energy that network side can report according to UE
Force information, if possessing CA ability, and the frequency range supported combines and the frequency range of the community of community centralized configuration
Combined information mates, then select identical alien frequencies frequency in cell set, issues A4 and measures control message.
Step 63, when receiving A4 measurement report, terminal measures the alien frequencies frequency carried in all control communities
Community, reports the community meeting A4 thresholding, and (i.e. evolved node B is called for short eNB, LTE to eNodeB
The title of middle base station) side according to terminal to report neighboring BS information, select the community in cell set to combine neighboring cell load
Optional community is carried out integrated ordered by information, selects, according to integrated ordered result, the community conduct that priority is the highest
The secondary cell of this CA terminal.
Step 64, after auxiliary carrier wave has configured, issues A2 and measures, measure secondary cell.
Step 65, it may be judged whether be to receive A2 measurement report.
Step 66, when receiving A2 measurement report, then deletes the secondary cell of this terminal, and re-issues little
The measurement of concentration alien-frequency district, district.The sector of auxiliary carrier wave may occur in the handoff procedure of main carrier.
To be switched secondary cell, the therefore embodiment of the present invention is determined by thus according to alien-frequency district overlapping degree
Carrier aggregation collocation method in, the community in described cell set is described first frequency range carrier wave and described the
The top n community that the overlapping range of two frequency range carrier waves sorts from high to low.The most N number of community may refer to
2 to 6, it is also possible to refer to more, carry out sets itself according to user's request, if overlapping range is big
Relative coverage is big.
The switching of secondary cell only occurs in after configuring secondary cell, time main plot does not switches when, it is judged that
Whether secondary cell switches, therefore in the collocation method of the carrier aggregation of the embodiment of the present invention, and step 53
The most described collocation method also includes:
Step 55, it is judged that whether exist in described cell set, with described secondary cell, there is similar frequency bands carrier wave
Homogeneous-frequency adjacent-domain;
, in judged result be described cell set, there is described secondary cell there is similar frequency bands carrier wave in step 56
Homogeneous-frequency adjacent-domain time, and the signal quality of described homogeneous-frequency adjacent-domain is higher than the signal quality persistently of described secondary cell
After Preset Time, then described RRC information is utilized to send the second reconfiguration message of secondary cell to terminal, will
In described co-frequency cell, the information of changeable community sends to described terminal, makes described in described terminal deletion auxiliary little
District also accesses described changeable community.
Secondary cell switching must be could to have switched after secondary cell has been got well in configuration.Wherein after Preset Time, with frequency
The signal quality of adjacent area is higher than the signal quality of secondary cell, thus ensures the stability of to be switched secondary cell,
Avoid that the most flashy signal quality is high and the switching that produces and cause the wasting of resources and increased the weight of net
The burden of network.
As it is shown in fig. 7, the concrete example of the switching of secondary cell is as follows.
Step 71, has been configured a SCell (Secondary Cell, auxiliary serving cell or secondary cell).
Step 72, after step 71, by judging whether to exist in set of cells the same frequency of this secondary cell
Community.
Step 73, if there is the co-frequency cell of this secondary cell, then (A6 is used for switching auxiliary load to issue A6
The measurement thresholding of ripple) measure control these co-frequency cells are measured.
Step 74, when the signal of the homogeneous-frequency adjacent-domain of secondary cell higher than the signal of current secondary cell and continues certain
Time, i.e. meet A6 event, the terminal to report A6 measurement report of carrier aggregation.
Step 75, by the terminal to report A6 measurement report of carrier aggregation, network side uses RRC to connect
Second reconfiguration message, completes to reconfigure secondary cell, then performs the end of step 76.
The switching of main plot can also be triggered, therefore the embodiment of the present invention when there is more preferable adjacent area main plot
In the collocation method of carrier aggregation, the described collocation method after step 52 also includes:
Step 57, obtains the first frequency range carrier wave to community each in described cell set and carries out performance measurement
Metrical information, according to the subzone network performance parameter in described metrical information, enters the community of described cell set
Row sequence, draws the community that the network performance of described first frequency range carrier wave is optimum, is set as treating of described terminal
The main plot of switching;
Step 58, by radio resource control RRC message transmission the 3rd reconfiguration information to described terminal,
Being accessed described main plot and/or described secondary cell by described terminal, wherein said 3rd reconfiguration information is carried
There are information and the information of described secondary cell of described main plot.
The connection reconstruct message of the wireless heterogeneous networks that network side issues to the terminal with carrier aggregation function
In message (IE:mobility Control Info, IE: mobile control information), comprise simultaneously
(sCellToReleaseList, the release list of auxiliary carrier wave) and (sCellToAddModList, the increasing of auxiliary carrier wave
Add list) cell, delete former secondary cell SCell and add new SCell while switching performs.
As shown in Figure 8, the idiographic flow of main plot switching is exemplified below.
Step 801, including measuring the connection configuration that allocation radio resource controls, represents the initiation of switching.Source
ENodeB controls message to UE (User Equipment, subscriber equipment) sending measuring, measures control and disappears
Breath includes the frequency of SCC (Secondary Component Carrier, auxiliary component carrier wave) in cell set simultaneously
Dot information.
Step 802, measurement report represents that measurement reports.The neighboring BS information that UE reporting measurement arrives to source eNodeB,
If terminal supports main carrier, SCC message is carried in switching simultaneously, and terminal can be surveyed while measuring main carrier
The reporting message of measuring of amount SCC, UE also includes that meeting auxiliary carrier wave adds the SCC neighboring BS information of thresholding.
Step 803, handover decisions represents that switching determines.Source eNodeB measures reporting message choosing according to UE
Select the best Target cell switching cell as main plot.
Step 804~step 806, be that source eNodeB is with the information payment between target eNodeB.
Step 807, source eNodeB passes through (RRC connection reconfiguration, Radio Resource control
The connection reconstruct message of system) inform that UE switches target eNodeB relevant information.CA user's main carrier
Switch with the switching Main Differences of non-CA user's main carrier is just in the content of this reconfiguration message, if
CA user can carry the information (" IE ' ScellToReleaseList) deleting auxiliary carrier wave " and add auxiliary carrier wave
Information (" IE ' ScellToAddModList) ".The information adding auxiliary carrier wave is that eNodeB passes through terminal
The SCC information belonged in cell set reported and the information on load of these SCC integrated ordered after optimum
SCC, the scene of cell set is likely to occur main carrier switching, the situation that auxiliary carrier wave does not changes.
Step 808, UE is at the Stochastic accessing of target eNodeB.
Step 809~812, UE target eNodeB access after, core network data passage foundation and
Release at source eNodeB connection resource.
If user does not support to carry in main carrier handoff procedure auxiliary carrier information, the most in step 802 terminal
Auxiliary carrier wave will not be scanned and also will not carry auxiliary carrier scanning relevant information, step 807 is deleted current auxiliary carrier wave,
And main carrier switched common cross A4 scanning reconfigure auxiliary carrier wave.
Concrete, in the collocation method of the carrier aggregation of the embodiment of the present invention, described network performance parameter is at least
Signal intensity, resources occupation situation, Reference Signal Received Power and Physical Resource Block resource including community account for
There are one or more of rate.
Described network performance parameter may refer to any parameter that can carry out performance test, such as RSRQ
(ReferenceSignalReceivingQuality, LTE Reference Signal Received Quality), is not limited to above one
Planting or multiple, differ a citing at this.
Concrete, step 53 network performance optimum in the collocation method of the carrier aggregation of the embodiment of the present invention
Community selects to include:
Step 531, obtains the second frequency range carrier wave to community each in described cell set and carries out performance measurement
Metrical information, according to Reference Signal Received Power and the described Physical Resource Block of the community in described metrical information
The network performance importance of resources occupation rate, distributes the first weight to described Reference Signal Received Power, and right
Described Physical Resource Block resource distributes the second weight;
When set of cells sequence uses integrated ordered, input data are essentially from secondary cell
RSRP (Reference Signal Receiving Power, Reference Signal Received Power) and RB (Physical
Resource block, Physical Resource Block) load.The two data are weighted sequence, the RSRP preset
The second weight that the first weight is x%, RB load be y%.
Step 532, arranges from high to low by the described Reference Signal Received Power of the community of described cell set
Sequence, obtains the first ranking results;
Step 533, enters from low to high by the described Physical Resource Block resources occupation rate of the community of described cell set
Row sequence, obtains the second ranking results;
Step 534, described first ranking results is multiplied by described first weight and obtains the first result, and described second
Ranking results is multiplied by described second weight and obtains the second result, and described first result and described second result phase
Add, obtain integrated ordered result;
Step 535, obtains the community of the first sequence described integrated ordered result sorted from high to low, will
The secondary cell that the network performance that cell setting is described terminal of described first sequence is optimum.
Concrete algorithm, user's cell definitions that is resident and that be initially accessed is main plot (or referred to as main carrier),
When connection status, by measuring control message, the information of cell set is sent to UE, issues A4 simultaneously
(A4 measures for the initial measurement thresholding adding auxiliary carrier wave) is measured and is controlled message.Return when receiving UE
Measurement report after, receive in measurement report all, and belong to community in cell set according to RSRP from
High to Low being ranked up, { Rankrsrpi}, eNodeB collect cell set by X2 interface to obtain arranging result
The RB resources occupation rate of interior adjacent area, and be ranked up from low to high by occupancy, obtain ranking results
{ Rankrpi}, the most integrated ordered { Ranki}={Rankrsrpi}*x%+{Rankrpi}*y% finally selects
The highest integrated ordered community, as secondary cell, issues RRC reconfiguring cell, it is configured to this CA
The secondary cell of user.
Traditional carrier aggregation algorithm can only be fixed on the basis of supporting that Liang Ge community carries out carrier aggregation, passes through
Configuration set of cells, can select optimum auxiliary carrier wave dynamically, and can realize the switching between auxiliary carrier wave,
Thus ensure that the effectiveness of carrier aggregation function, adapt to more networking scene, give play to carrier aggregation
Performance, improves Consumer's Experience.
Concrete being exemplified below of the process that realizes of the present invention.
Fixing relative to the A community of community of the carrier aggregation of prior art and B community it is connected switching, C
Community is fixing with D community is connected switching, and E community is fixing with F community is connected switching, and this programme can be by A
Community, B community, C community, D community, E community and F community are as a cell set, at the beginning of terminal
After the community beginning to access is A community, other residue B communities, C community, D community, E community and F
Community can be as to be switched secondary cell, the most in real time to B community, C community, D community, E community
And the network performance parameter of F community carries out integrated ordered, obtaining such as optimum community is E community, then
Switch to terminal be attached with E community, with the connection of A community before then terminal disconnects, continue
Carry out the best community of network performance parameter and carry out follow-up switching.
As it is shown in figure 9, the configuration device of the carrier aggregation of the embodiment of the present invention, it is applied to network side, described
Configuration device includes:
First judging treatmenting module 91, for judging that terminal accesses accessed community during the first frequency range carrier wave
Information, is main plot by accessed cell setting;
Second judging treatmenting module 92 is for judging the cell set belonging to described main plot, wherein said little
Community in district's collection is respectively provided with the first frequency range carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
First acquisition module 93, enters for obtaining the second frequency range carrier wave to community each in described cell set
The metrical information of row performance measurement, according to the subzone network performance parameter in described metrical information, to described little
The community of district's collection is ranked up, and draws the community that the network performance of described second frequency range carrier wave is optimum, is set as
The secondary cell of described terminal;
First sending module 94, for sending the first reconfiguration information by radio resource control RRC message
To described terminal, described terminal accessing described secondary cell, wherein said first reconfiguration information includes carrying
There is the information of described secondary cell.
It is judged as by the first judging treatmenting module 91 accessed community when terminal accesses the first frequency range carrier wave
Main plot, judges the cell set belonging to main plot further according to the second judging treatmenting module 92, subsequently first
Acquisition module 93 obtains the second frequency range carrier wave to community each in described cell set and carries out the survey of performance measurement
Amount information, the community being ranked up cell set show that the community of network performance optimum, as secondary cell, finally leads to
Cross the first sending module 94 utilize RRC information send the first reconfiguration information to terminal carry out access secondary cell,
So use cell set dynamic binding, be possible not only to effectively promote the probability that carrier aggregation occurs, Er Qieke
To reduce switching, when switching in main plot secondary cell need not switch or secondary cell switching time main plot do not switch,
Thus ensure that the effectiveness of CA function, adapt to more networking scene, not only give play to the property of CA
Can, and improve Consumer's Experience.In the configuration device of the carrier aggregation of another embodiment of the present invention,
Community in described cell set be described first frequency range carrier wave with the overlapping range of described second frequency range carrier wave by
The top n community of high to Low sequence.
In the configuration device of the carrier aggregation of another embodiment of the present invention, described configuration device also includes:
Whether judge module, exist in being used for judging described cell set and have similar frequency bands load with described secondary cell
The homogeneous-frequency adjacent-domain of ripple;
Processing module, has similar frequency bands for there is described secondary cell in judged result is described cell set
During the homogeneous-frequency adjacent-domain of carrier wave, and the signal quality of described homogeneous-frequency adjacent-domain higher than described secondary cell signal quality also
After continuing Preset Time, then described RRC information is utilized to send the second reconfiguration message of secondary cell to terminal,
The information of community changeable in described co-frequency cell is sent to described terminal, makes described in described terminal deletion auxiliary
Described changeable community is also accessed in community.
In the configuration device of the carrier aggregation of another embodiment of the present invention, described configuration device also includes:
Second acquisition module, for obtaining the first frequency range carrier wave Progressive symmetric erythrokeratodermia to community each in described cell set
The metrical information that can measure, according to the subzone network performance parameter in described metrical information, to described cell set
Community be ranked up, draw the community that the network performance of described first frequency range carrier wave is optimum, be set as described
The to be switched main plot of terminal;
Second sending module, for by radio resource control RRC message send the 3rd reconfiguration information to
Described terminal, is accessed described main plot and/or described secondary cell by described terminal, and wherein said the triple joins
Confidence breath carries information and the information of described secondary cell of described main plot.
In the configuration device of the carrier aggregation of another embodiment of the present invention, described network performance parameter at least wraps
Include the signal intensity of community, resources occupation situation, Reference Signal Received Power and Physical Resource Block resources occupation
One or more of rate.
In the configuration device of the carrier aggregation of another embodiment of the present invention, described second judging treatmenting module
92 include:
Acquisition processes submodule, carries out for obtaining the second frequency range carrier wave to community each in described cell set
The metrical information of performance measurement, according to the Reference Signal Received Power of the community in described metrical information with described
The network performance importance of Physical Resource Block resources occupation rate, distributes first to described Reference Signal Received Power
Weight, and distribute the second weight to described Physical Resource Block resource;
First sorting sub-module, is used for the described Reference Signal Received Power of the community of described cell set by height
It is ranked up to low, obtains the first ranking results;
Second sorting sub-module, for the described Physical Resource Block resources occupation rate by the community of described cell set
It is ranked up from low to high, obtains the second ranking results;
Process submodule, be multiplied by described first weight for described first ranking results and obtain the first result, institute
State the second ranking results to be multiplied by described second weight and obtain the second result, and described first result and described second
Results added, obtains integrated ordered result;
Judge submodule, for obtaining first sequence little described integrated ordered result sorted from high to low
District, the secondary cell optimum by the network performance that cell setting is described terminal of described first sequence.
It should be noted that the device that the present invention provides is the device of the collocation method of application carrier aggregation, then
Above-mentioned host computer system is all applicable to this device to all embodiments of the collocation method of carrier aggregation, and all can reach
To same or analogous beneficial effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (12)
1. a collocation method for carrier aggregation, is applied to network side, it is characterised in that described configuration side
Method includes:
Judge that terminal accesses the information of accessed community during the first frequency range carrier wave, be main by accessed cell setting
Community;
Judge that the cell set belonging to described main plot, the community in wherein said cell set are respectively provided with the first frequency range
Carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
Obtain the second frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
According to the subzone network performance parameter in described metrical information, the community of described cell set is ranked up,
Go out the community that the network performance of described second frequency range carrier wave is optimum, be set as the secondary cell of described terminal;
The first reconfiguration information is sent to described terminal, by described end by radio resource control RRC message
Terminating into described secondary cell, wherein said first reconfiguration information includes the information carrying described secondary cell.
The collocation method of carrier aggregation the most according to claim 1, it is characterised in that described community
Community in collection is described first frequency range carrier wave and the overlapping range of described second frequency range carrier wave is arranged from high to low
The top n community of sequence.
The collocation method of carrier aggregation the most according to claim 1, it is characterised in that drawing
State the community that the network performance of the second frequency range carrier wave is optimum, after being set as the step of secondary cell of described terminal,
Also include:
Whether exist in judging described cell set, with described secondary cell, there is the homogeneous-frequency adjacent-domain of similar frequency bands carrier wave;
In judged result is described cell set, there is described secondary cell there is the same frequency neighbour of similar frequency bands carrier wave
Qu Shi, and the signal quality of described homogeneous-frequency adjacent-domain is higher than the signal quality of described secondary cell lasting Preset Time
After, then utilize described RRC information to send the second reconfiguration message of secondary cell to terminal, by described with frequency
In community, the information of changeable community sends to described terminal, makes secondary cell described in described terminal deletion and accesses
Described changeable community.
The collocation method of carrier aggregation the most according to claim 1, it is characterised in that described judgement
After cell set belonging to described main plot, described collocation method also includes:
Obtain the first frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
According to the subzone network performance parameter in described metrical information, the community of described cell set is ranked up,
Go out the community that the network performance of described first frequency range carrier wave is optimum, be set as that the to be switched master of described terminal is little
District;
By radio resource control RRC message transmission the 3rd reconfiguration information to described terminal, by described end
Terminating into described main plot and/or described secondary cell, wherein said 3rd reconfiguration information carries described master
The information of community and the information of described secondary cell.
The collocation method of carrier aggregation the most according to claim 1, it is characterised in that described network
Performance parameter at least includes the signal intensity of community, resources occupation situation, Reference Signal Received Power and physics
One or more of Resource Block resources occupation rate.
The collocation method of carrier aggregation the most according to claim 5, it is characterised in that described acquisition
The second frequency range carrier wave to community each in described cell set carries out the metrical information of performance measurement, according to described
Subzone network performance parameter in metrical information, is ranked up the community of described cell set, draws internetworking
The community that energy is optimum, is set as that the step of the secondary cell of described terminal includes:
Obtain the second frequency range carrier wave to community each in described cell set and carry out the metrical information of performance measurement,
Reference Signal Received Power according to the community in described metrical information and described Physical Resource Block resources occupation
The network performance importance of rate, distributes the first weight to described Reference Signal Received Power, and to described physics
Resource Block resource distributes the second weight;
The described Reference Signal Received Power of the community of described cell set is ranked up from high to low, obtains
One ranking results;
The described Physical Resource Block resources occupation rate of the community of described cell set is ranked up from low to high,
To the second ranking results;
Described first ranking results is multiplied by described first weight and obtains the first result, and described second ranking results is taken advantage of
The second result is obtained with described second weight, and described first result and described second results added, combined
Close ranking results;
Obtain the community of the first sequence described integrated ordered result sorted from high to low, by described first row
The cell setting of sequence is the secondary cell of the network performance optimum of described terminal.
7. a configuration device for carrier aggregation, is applied to network side, it is characterised in that described configuration fills
Put and include:
First judging treatmenting module, for judging that terminal accesses the information of accessed community during the first frequency range carrier wave,
It is main plot by accessed cell setting;
Second judging treatmenting module, for judging the cell set belonging to described main plot, wherein said cell set
Interior community is respectively provided with the first frequency range carrier wave and the least partially overlapped covering of the second frequency range carrier wave;
First acquisition module, for obtaining the second frequency range carrier wave Progressive symmetric erythrokeratodermia to community each in described cell set
The metrical information that can measure, according to the subzone network performance parameter in described metrical information, to described cell set
Community be ranked up, draw the community that the network performance of described second frequency range carrier wave is optimum, be set as described
The secondary cell of terminal;
First sending module, for by radio resource control RRC message send the first reconfiguration information to
Described terminal, is accessed described secondary cell by described terminal, and wherein said first reconfiguration information includes carrying
The information of described secondary cell.
The configuration device of carrier aggregation the most according to claim 7, it is characterised in that described community
Community in collection is described first frequency range carrier wave and the overlapping range of described second frequency range carrier wave is arranged from high to low
The top n community of sequence.
The configuration device of carrier aggregation the most according to claim 7, it is characterised in that described configuration
Device also includes:
Whether judge module, exist in being used for judging described cell set and have similar frequency bands load with described secondary cell
The homogeneous-frequency adjacent-domain of ripple;
Processing module, has similar frequency bands for there is described secondary cell in judged result is described cell set
During the homogeneous-frequency adjacent-domain of carrier wave, and the signal quality of described homogeneous-frequency adjacent-domain higher than described secondary cell signal quality also
After continuing Preset Time, then described RRC information is utilized to send the second reconfiguration message of secondary cell to terminal,
The information of community changeable in described co-frequency cell is sent to described terminal, makes described in described terminal deletion auxiliary
Described changeable community is also accessed in community.
The configuration device of carrier aggregation the most according to claim 7, it is characterised in that described configuration
Device also includes:
Second acquisition module, for obtaining the first frequency range carrier wave Progressive symmetric erythrokeratodermia to community each in described cell set
The metrical information that can measure, according to the subzone network performance parameter in described metrical information, to described cell set
Community be ranked up, draw the community that the network performance of described first frequency range carrier wave is optimum, be set as described
The to be switched main plot of terminal;
Second sending module, for by radio resource control RRC message send the 3rd reconfiguration information to
Described terminal, is accessed described main plot and/or described secondary cell by described terminal, and wherein said the triple joins
Confidence breath carries information and the information of described secondary cell of described main plot.
The configuration device of 11. carrier aggregation according to claim 7, it is characterised in that described network
Performance parameter at least includes the signal intensity of community, resources occupation situation, Reference Signal Received Power and physics
One or more of Resource Block resources occupation rate.
The configuration device of 12. carrier aggregation according to claim 11, it is characterised in that described
Two judging treatmenting modules include:
Acquisition processes submodule, carries out for obtaining the second frequency range carrier wave to community each in described cell set
The metrical information of performance measurement, according to the Reference Signal Received Power of the community in described metrical information with described
The network performance importance of Physical Resource Block resources occupation rate, distributes first to described Reference Signal Received Power
Weight, and distribute the second weight to described Physical Resource Block resource;
First sorting sub-module, is used for the described Reference Signal Received Power of the community of described cell set by height
It is ranked up to low, obtains the first ranking results;
Second sorting sub-module, for the described Physical Resource Block resources occupation rate by the community of described cell set
It is ranked up from low to high, obtains the second ranking results;
Process submodule, be multiplied by described first weight for described first ranking results and obtain the first result, institute
State the second ranking results to be multiplied by described second weight and obtain the second result, and described first result and described second
Results added, obtains integrated ordered result;
Judge submodule, for obtaining first sequence little described integrated ordered result sorted from high to low
District, the secondary cell optimum by the network performance that cell setting is described terminal of described first sequence.
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