CN105991255A - Carrier aggregation configuration method and device - Google Patents

Carrier aggregation configuration method and device Download PDF

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Publication number
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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China
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community
cell
carrier wave
information
frequency range
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CN105991255B (en
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瞿水华
陈其铭
李晖晖
章莹
傅文中
王宏岗
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China Mobile Group Guangdong Co Ltd
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China Mobile Group Guangdong Co Ltd
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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

The collocation method of a kind of carrier aggregation and device
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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