CN105991255B - A kind of configuration method and device of carrier wave polymerization - Google Patents
A kind of configuration method and device of carrier wave polymerization Download PDFInfo
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- CN105991255B CN105991255B CN201510045150.9A CN201510045150A CN105991255B CN 105991255 B CN105991255 B CN 105991255B CN 201510045150 A CN201510045150 A CN 201510045150A CN 105991255 B CN105991255 B CN 105991255B
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Abstract
The present invention provides the configuration method and device of a kind of carrier wave polymerization, wherein the configuration method is applied to network side, it is main plot by accessed cell setting that the configuration method, which includes: to judge the information of accessed cell when terminal accesses the first frequency range carrier wave,；Cell set belonging to the main plot is judged, wherein the cell in the cell set all has the least partially overlapped covering of the first frequency range carrier wave and the second frequency range carrier wave；Obtain the metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set, according to the subzone network performance parameter in the metrical information, the cell of the cell set is ranked up, it obtains the optimal cell of the network performance of the second frequency range carrier wave, is set as the secondary cell of the terminal；The first reconfiguration information is sent to the terminal by radio resource control RRC message, the secondary cell is accessed by the terminal, wherein first reconfiguration information includes carrying the information of the secondary cell.
Description
Technical field
The present invention relates to wireless domains, more particularly to the configuration method and device of a kind of polymerization of carrier wave.
Background technique
Existing CA (Carrier Aggregation, carrier wave polymerization) technology is used to by fixed two cells of binding
Carrier wave polymerization is carried out for CA user.When F-band and D frequency range cell carry out carrier wave polymerization, F-band is covered, and user preferentially stays
F-band cell is stayed, then F-band cell provides carrier wave for CA user and polymerize function as main carrier, D frequency range cell as secondary carrier
Energy.
In view of the coverage area of real network F-band cell and D frequency range cell different sectors may inconsistent, F-band
Cell and D frequency range cell can not it is anticipated that overlapping covering, especially in traffic busy, the prior art the problem of
It is that, using the possible resource utilization decline of fixed secondary carrier, this will will be greatly reduced the effect of carrier wave polymerizable functional.
Summary of the invention
The purpose of the present invention is to provide the configuration methods and device of a kind of polymerization of carrier wave, are tied up by the dynamic of cell set
It is fixed, the probability that carrier wave polymerization occurs not only can be effectively promoted, but also switching can be reduced, while ensure that having for CA function
Effect property and the user experience is improved.
To achieve the goals above, the configuration method of a kind of carrier wave polymerization provided in an embodiment of the present invention, is applied to network
Side, the configuration method include:
Accessed cell setting is main plot by the information for judging accessed cell when terminal accesses the first frequency range carrier wave；
Judge cell set belonging to the main plot, wherein the cell in the cell set all have the first frequency range carrier wave and
The least partially overlapped covering of second frequency range carrier wave；
The metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set is obtained, according to institute
The subzone network performance parameter in metrical information is stated, the cell of the cell set is ranked up, show that second frequency range carries
The optimal cell of the network performance of wave, is set as the secondary cell of the terminal；
The first reconfiguration information is sent to the terminal by radio resource control RRC message, and institute is accessed by the terminal
Secondary cell is stated, wherein first reconfiguration information includes carrying the information of the secondary cell.
Further, the cell in the cell set is that the first frequency range carrier wave is overlapping with the second frequency range carrier wave
The top n cell that range sorts from high to low.
Wherein, it is obtaining the optimal cell of the network performance of the second frequency range carrier wave, is being set as the auxiliary small of the terminal
After the step of area, further includes:
Judge in the cell set with the presence or absence of the homogeneous-frequency adjacent-domain with the secondary cell with similar frequency bands carrier wave；
Judging result be the cell set in there are the secondary cell have similar frequency bands carrier wave homogeneous-frequency adjacent-domain when, and
After the signal quality of the homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and continues preset time, then the RRC is utilized
Message sends the second reconfiguration message of secondary cell to terminal, and the information that cell can be switched in the co-frequency cell is sent to institute
Terminal is stated, secondary cell described in the terminal deletion is made and accesses the changeable cell.
Wherein, after cell set belonging to the judgement main plot, the configuration method further include:
The metrical information that performance measurement is carried out to the first frequency range carrier wave of each cell in the cell set is obtained, according to institute
The subzone network performance parameter in metrical information is stated, the cell of the cell set is ranked up, show that first frequency range carries
The optimal cell of the network performance of wave is set as the to be switched main plot of the terminal；
Third reconfiguration information is sent to the terminal by radio resource control RRC message, and institute is accessed by the terminal
Main plot and/or the secondary cell are stated, wherein the third reconfiguration information carries the information of the main plot and described auxiliary
The information of cell.
Further, the network performance parameter includes at least signal strength, the resources occupation situation, reference signal of cell
Receive the one or more of power and Physical Resource Block resources occupation rate.
Further, described to obtain the survey that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set
Amount information is ranked up the cell of the cell set, obtains net according to the subzone network performance parameter in the metrical information
The cell of network best performance, the step of being set as the secondary cell of the terminal include:
The metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set is obtained, according to institute
The Reference Signal Received Power for stating the cell in metrical information and the network performance of the Physical Resource Block resources occupation rate are important
Property, the first weight is distributed to the Reference Signal Received Power, and to second weight of Physical Resource Block resource allocation；
The Reference Signal Received Power of the cell of the cell set is ranked up from high to low, obtains the first sequence
As a result；
The Physical Resource Block resources occupation rate of the cell of the cell set is ranked up from low to high, obtains second
Ranking results；
First ranking results multiplied by first weight obtain first as a result, second ranking results multiplied by described
Second weight obtain second as a result, and first result and second results added, obtain integrated ordered result；
The cell for obtaining the first sequence that the integrated ordered result sorts from high to low, by the small of the first sequence
Area is set as the optimal secondary cell of network performance of the terminal.
Correspondingly, being applied to network side, the configuration device packet the present invention also provides a kind of configuration device of carrier wave polymerization
It includes:
First judging treatmenting module, the information of accessed cell when for judging that terminal accesses the first frequency range carrier wave, by institute
Access cell setting is main plot；
Second judging treatmenting module, for judging cell set belonging to the main plot, wherein small in the cell set
Area all has the least partially overlapped covering of the first frequency range carrier wave and the second frequency range carrier wave；
First obtains module, for obtaining the second frequency range carrier wave progress performance measurement to cell each in the cell set
Metrical information the cell of the cell set is ranked up, is obtained according to the subzone network performance parameter in the metrical information
The optimal cell of the network performance of the second frequency range carrier wave out, is set as the secondary cell of the terminal；
First sending module, for sending the first reconfiguration information to the terminal by radio resource control RRC message,
The secondary cell is accessed by the terminal, wherein first reconfiguration information includes carrying the information of the secondary cell.
Further, the cell in the cell set is that the first frequency range carrier wave is overlapping with the second frequency range carrier wave
The top n cell that range sorts from high to low.
Wherein, the configuration device of the carrier wave polymerization further include:
Judgment module, for judging that there is the same of similar frequency bands carrier wave with the presence or absence of with the secondary cell in the cell set
Frequency adjacent area；
Processing module, for being that there are the secondary cells to have similar frequency bands carrier wave in the cell set in judging result
When homogeneous-frequency adjacent-domain, and the signal quality of the homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and after continuing preset time,
Cell will can be switched in the second reconfiguration message for then sending secondary cell to terminal using the RRC information in the co-frequency cell
Information be sent to the terminal, make secondary cell described in the terminal deletion and access the changeable cell.
Wherein, the configuration device of the carrier wave polymerization further include:
Second obtains module, for obtaining the first frequency range carrier wave progress performance measurement to cell each in the cell set
Metrical information the cell of the cell set is ranked up, is obtained according to the subzone network performance parameter in the metrical information
The optimal cell of the network performance of the first frequency range carrier wave out is set as the to be switched main plot of the terminal；
Second sending module, for sending third reconfiguration information to the terminal by radio resource control RRC message,
The main plot and/or the secondary cell are accessed by the terminal, wherein to carry the master small for the third reconfiguration information
The information of the information in area and the secondary cell.
Further, the network performance parameter includes at least signal strength, the resources occupation situation, reference signal of cell
Receive the one or more of power and Physical Resource Block resources occupation rate.
Further, second judging treatmenting module includes:
Processing submodule is obtained, for obtaining the second frequency range carrier wave progress performance survey to cell each in the cell set
The metrical information of amount is accounted for according to the Reference Signal Received Power of the cell in the metrical information and the Physical Resource Block resource
There is the network performance importance of rate, distributes the first weight to the Reference Signal Received Power, and provide to the Physical Resource Block
The second weight is distributed in source；
First sorting sub-module, for by the Reference Signal Received Power of the cell of the cell set from high to low into
Row sequence, obtains the first ranking results；
Second sorting sub-module, for by the Physical Resource Block resources occupation rate of the cell of the cell set by as low as
Height is ranked up, and obtains the second ranking results；
Submodule is handled, obtains first as a result, described second multiplied by first weight for first ranking results
Ranking results multiplied by second weight obtain second as a result, and first result and second results added, obtain comprehensive
Close ranking results；
Judging submodule will for obtaining the cell for the first sequence that the integrated ordered result sorts from high to low
The cell setting of the first sequence is the optimal secondary cell of the network performance of the terminal.
The advantageous effects of the above technical solutions of the present invention are as follows:
In the solution of the present invention, when terminal accesses the first frequency range carrier wave, accessed cell is judged as main plot, then judges
Then cell set belonging to main plot obtains and carries out performance measurement to the second frequency range carrier wave of cell each in the cell set
Metrical information, the cell for being ranked up cell set show that the optimal cell of network performance as secondary cell, is sent by RRC information
First reconfiguration information carries out access secondary cell to terminal, uses cell set dynamic binding in this way, not only can effectively promote load
The probability that wave polymerization occurs, and switching can be reduced, when main plot switches, secondary cell does not have to switching or secondary cell is cut
Main plot does not switch when changing, to ensure that the validity of CA function, adapts to more networking scenes, has not only played CA's
Performance, and the user experience is improved.
Detailed description of the invention
Fig. 1 is the first scene figure that the present invention applies；
Fig. 2 is the second scene figure that the present invention applies；
Fig. 3 is the third scene figure that the present invention applies；
Fig. 4 is the 4th scene figure that the present invention applies；
Fig. 5 is the step schematic diagram for the configuration method that the carrier wave of the embodiment of the present invention polymerize；
Fig. 6 is the configuration of the secondary cell of the embodiment of the present invention and the flow chart for going configuration
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 for the configuration device that the carrier wave of the embodiment of the present invention polymerize.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
In order to supply that easy reference is described in greater detail below, it should be noted that the typical networking scene that this programme is related to is
First frequency range carrier wave 1 of the same covering scene of co-sited, Fig. 2 that are covered such as the first frequency range carrier wave 1 of Fig. 1 and the second frequency range carrier wave 2 with
Co-sited difference covering scene, the first frequency range carrier wave 1 shown in Fig. 3 and the second frequency range carrier wave 2 of second frequency range carrier wave 2 covering cover
Co-sited mend blind scene and Fig. 4 the first frequency range carrier wave 1 and the second frequency range carrier wave 2 covering not co-sited networking scene, wherein
First frequency range carrier wave 1 and the second frequency range carrier wave 2 can refer respectively to F-band frequency point and D frequency range frequency point.
As shown in figure 5, the configuration method that the carrier wave of the embodiment of the present invention polymerize, is applied to network side, wherein the configuration
Method includes:
Step 51, accessed cell setting is by the information for judging accessed cell when terminal accesses the first frequency range carrier wave
Main plot；
Step 52, cell set belonging to the main plot is judged, wherein the cell in the cell set all has the first frequency
The least partially overlapped covering of Duan Zaibo and the second frequency range carrier wave；
Wherein the cell set refers to preset cell.Specifically can be can according to carrier wave polymerization in network configuration
The topological condition of realization, for example by the F-band cell of same physical site and D frequency range cell, 6 cells are generally amounted to, it can also
To be more or less than 6, scheduling is a set of cells (being at least 2 cells, do not set the upper limit at most).It is needed in Practical Project
Set of cells is determined according to the network topology mode that carrier wave polymerize.
Wherein the cell of the least partially overlapped covering is by reference to alien-frequency district overlapping degree, by default overlapping journey
2~6 cell definitions of degree become a carrier aggregation subdistrict collection, wherein default overlapping degree can be according to specific application
Scene is set, the candidate for generally taking default overlapping degree more as carrier wave polymerization secondary cell.Cell in cell set
Must have with any one cell is with the covering configuration that covers or partly overlap, and the user polymerizeing for carrier wave must be at two
Alien-frequency district with covering just can be with.
Step 53, the measurement for carrying out performance measurement to the second frequency range carrier wave of each cell in the cell set is obtained to believe
Breath, according to the subzone network performance parameter in the metrical information, is ranked up the cell of the cell set, obtains described the
The optimal cell of the network performance of two frequency range carrier waves, is set as the secondary cell of the terminal；
The metrical information wherein obtained can be to be reported by terminal, the survey that can also be carried out by other network equipments
Amount is as a result, any mode for obtaining metrical information all belongs to the scope of protection of the present invention.
Be by the sequence of subzone network performance parameter wherein in order to determine the best cell of an integrated network performance into
The switching of row cell.
In the cell set, the main plot of mobile phone attachment is main plot, other cells all can serve as the time of secondary cell
Choosing.If the sequence of subzone network performance parameter is will be according to the signal strength of subzone network performance parameter and idling-resource situation
Carry out it is integrated ordered preferentially select the best secondary cell to bind as the secondary cell of user, thus realize dynamic auxiliary
Cell binding.It generally can need to meet threshold requirements according to the signal strength in subzone network performance parameter, by cell networks
The network load parameter of network performance parameter is ranked up from high to low, is obtained best secondary cell and is carried out binding switching, for cutting
The number changed does not limit, as long as meeting above-mentioned condition can switch over.
Step 54, the first reconfiguration information is sent to the terminal, by the terminal by radio resource control RRC message
The secondary cell is accessed, wherein first reconfiguration information includes carrying the information of the secondary cell.
The wherein RRC (Radio Resource Control, wireless heterogeneous networks).
Configuration for secondary carrier may include two parts, and a part will judge subcarrier when being newly-built main carrier
Configuration, a part is that the configuration of secondary carrier is carried out in the handoff procedure of main carrier.
In above-mentioned steps 51 into step 54, when terminal accesses the first frequency range carrier wave, accessed cell is judged as main plot
(step 51), then judge cell set (step 52) belonging to main plot, then obtain to cell each in the cell set
Two frequency range carrier waves carry out the metrical information of performance measurement, and the cell for being ranked up cell set show that the optimal cell of network performance is made
For secondary cell (step 53), the first reconfiguration information is sent by RRC information and carries out access secondary cell (step 54) to terminal, this
Sample uses cell set dynamic binding, not only can effectively promote the probability that carrier wave polymerization occurs, but also can reduce switching,
Main plot does not switch when secondary cell does not have to switching or secondary cell switching when main plot switches, to ensure that the effective of CA function
Property, more networking scenes are adapted to, the performance of CA has not only been played, but also the user experience is improved.
As shown in fig. 6, the configuration of secondary cell and go configuration detailed process be exemplified below.
Configure the threshold parameter of measurement thresholding A4, A2, the A6 event of secondary carrier.A4 measurement is for initially adding secondary carrier
Thresholding is measured, A2 is used to switch the measurement thresholding of secondary carrier for deleting secondary carrier thresholding, A6.
Step 61, user's industry in user after main carrier initial network entry or main carrier switching occurs for the configuration of secondary carrier
Business, which is established, to be completed.
Step 62, as Fig. 6 customer service establish after the completion of, network side can according to the UE ability information that UE is reported, if
The frequency range of the cell of the frequency range combination and cell centralized configuration that have CA ability, and support combines information matches, then selects cell
Identical alien frequencies frequency point is concentrated, A4 measurement control message is issued.
Step 63, when receiving A4 measurement report, terminal measures the alien frequencies frequency point cell carried in all control cells, reports
Meet the cell of A4 thresholding, eNodeB (i.e. the title of base station in evolved node B abbreviation eNB, LTE) lateral root reports neighbour according to terminal
Area's information selects the cell combination neighboring cell load information in cell set to carry out optional cell integrated ordered, according to integrated ordered
As a result select the cell of highest priority as the secondary cell of the CA terminal.
Step 64, after the completion of secondary carrier configuration, A2 measurement is issued, secondary cell is measured.
Step 65, judge whether it is to receive A2 measurement report.
Step 66, when receiving A2 measurement report, then the secondary cell of the terminal is deleted, and re-issued to alien frequencies in cell set
The measurement of cell.The sector of secondary carrier may occur in the handoff procedure of main carrier.
By determining to be switched secondary cell, therefore the carrier wave of the embodiment of the present invention thus according to alien-frequency district overlapping degree
In the configuration method of polymerization, the cell in the cell set is that the first frequency range carrier wave is overlapping with the second frequency range carrier wave
The top n cell that range sorts from high to low.Wherein N number of cell can refer to 2 to 6, can also refer to more, according to
Family demand carries out sets itself, and opposite coverage area is big if overlapping range is big.
The switching of secondary cell only occurs in configure secondary cell after, when main plot not switching, judge secondary cell
Whether switch, therefore in the configuration method of the carrier wave polymerization of the embodiment of the present invention, the configuration method is also after step 53
Include:
Step 55, judge in the cell set with the presence or absence of the same frequency neighbour with the secondary cell with similar frequency bands carrier wave
Area；
It step 56, is that there are the secondary cells to have the same frequency of similar frequency bands carrier wave adjacent in the cell set in judging result
Qu Shi, and the signal quality of the homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and after continuing preset time, then utilizes
The RRC information sends the second reconfiguration message of secondary cell to terminal, and the information of cell will can be switched in the co-frequency cell
It is sent to the terminal, make secondary cell described in the terminal deletion and accesses the changeable cell.
Secondary cell switching must could be switched after secondary cell has been got well in configuration.Wherein after preset time, homogeneous-frequency adjacent-domain
The signal quality that signal quality is higher than secondary cell avoids only in a flash to guarantee the stability of to be switched secondary cell
Signal quality is high and the switching generated and the burden for resulting in waste of resources and having aggravated network.
As shown in fig. 7, the concrete example of the switching of secondary cell is as follows.
Step 71, it has been configured a SCell (Secondary Cell, auxiliary serving cell or secondary cell).
Step 72, after step 71, pass through the co-frequency cell for judging to whether there is the secondary cell in set of cells.
Step 73, if there is the co-frequency cell of the secondary cell, then issuing A6, (A6 is used to switch the measurement door of secondary carrier
Limit) measurement control these co-frequency cells are measured.
Step 74, when the homogeneous-frequency adjacent-domain of secondary cell signal be higher than current secondary cell signal and certain time, i.e.,
Meet A6 event, the terminal of carrier wave polymerization reports A6 measurement report.
Step 75, A6 measurement report is reported by the terminal that carrier wave polymerize, network side is reconfigured using RRC connection second to disappear
Breath, completion reconfigure secondary cell, then execute the end of step 76.
The switching of main plot can also be triggered when there is better adjacent area in main plot, therefore the carrier wave of the embodiment of the present invention is poly-
The configuration method in the configuration method of conjunction, after step 52 further include:
Step 57, the measurement for carrying out performance measurement to the first frequency range carrier wave of each cell in the cell set is obtained to believe
Breath, according to the subzone network performance parameter in the metrical information, is ranked up the cell of the cell set, obtains described the
The optimal cell of the network performance of one frequency range carrier wave, is set as the to be switched main plot of the terminal；
Step 58, third reconfiguration information is sent to the terminal, by the terminal by radio resource control RRC message
Access the main plot and/or the secondary cell, wherein the third reconfiguration information carry the main plot information and
The information of the secondary cell.
The connection reconstruct Messages Message for the wireless heterogeneous networks that network side gives the terminal with carrier wave polymerizable functional to issue
It in (IE:mobility Control Info, IE: mobile control information), while including (sCellToReleaseList, auxiliary load
Wave discharges list) and (sCellToAddModList, secondary carrier increase list) cell, it is deleted while switching and executing
Former secondary cell SCell simultaneously adds new SCell.
As shown in figure 8, the detailed process of main plot switching is exemplified below.
Step 801, the connection configuration including measuring configuration wireless heterogeneous networks, indicates the initiation of switching.Source eNodeB to
UE (User Equipment, user equipment) sending measuring control message, measurement control message includes simultaneously SCC in cell set
The frequency point information of (Secondary Component Carrier, auxiliary component carrier wave).
Step 802, measurement report indicates that measurement reports.The neighboring BS information that UE reporting measurement arrives gives source eNodeB, if eventually
End supports main carrier switching while carrying SCC message, and terminal can measure SCC while measuring main carrier, and the measurement of UE reports
Message also includes the SCC neighboring BS information for meeting secondary carrier addition thresholding.
Step 803, handover decisions indicate that switching determines.Source eNodeB measures reporting message according to UE and selects best target
Switching cell of the cell as main plot.
Step 804~step 806 is that source eNodeB is delivered with the information between target eNodeB.
Step 807, source eNodeB passes through (RRC connection reconfiguration, the company of wireless heterogeneous networks
Connect reconstruct message) inform UE switching target eNodeB relevant information.The switching of CA user's main carrier is with non-CA user's main carrier
Switch main difference just in the content of the reconfiguration message, the information (" IE ' for deleting secondary carrier can be carried if it is CA user
ScellToReleaseList) " and the information (" IE ' ScellToAddModList) of addition secondary carrier ".Add secondary carrier
After the information on load of the SCC information and these SCC that belong in cell set that information, which is eNodeB, to be reported by terminal is integrated ordered
The case where optimal SCC, the scene of cell set are likely to occur main carrier switching, and secondary carrier does not change.
Step 808, random access of the UE in target eNodeB.
Step 809~812, UE is after target eNodeB access, in the foundation in core network data channel and in source eNodeB
The release of connection resource.
If user does not support to carry secondary carrier information in main carrier handoff procedure, terminal will not be swept in step 802
Secondary carrier scanning relevant information will not be carried by retouching secondary carrier, delete current secondary carrier in step 807, and switched in main carrier
Secondary carrier is reconfigured at the common scanning of A4 excessively.
Specifically, the network performance parameter includes at least small in the configuration method that the carrier wave of the embodiment of the present invention polymerize
The signal strength in area, resources occupation situation, Reference Signal Received Power and Physical Resource Block resources occupation rate it is one or more.
The network performance parameter can refer to any parameter that can be tested for the property, such as RSRQ
(ReferenceSignalReceivingQuality, LTE Reference Signal Received Quality), is not limited to one of the above or a variety of,
This different citing.
Specifically, the cell selection that step 53 network performance is optimal in the configuration method that the carrier wave of the embodiment of the present invention polymerize
Include:
Step 531, the measurement for carrying out performance measurement to the second frequency range carrier wave of each cell in the cell set is obtained to believe
Breath, according to the network of the Reference Signal Received Power of the cell in the metrical information and the Physical Resource Block resources occupation rate
Performance importance distributes the first weight to the Reference Signal Received Power, and to the Physical Resource Block resource allocation second
Weight；
When set of cells sequence uses integrated ordered, RSRP (Reference of the input data mainly from secondary cell
Signal Receiving Power, Reference Signal Received Power) and RB (Physical resource block, physical resource
Block) load.Sequence is weighted to the two data, the first weight of preset RSRP is x%, and the second weight of RB load is
Y%.
Step 532, the Reference Signal Received Power of the cell of the cell set is ranked up from high to low, is obtained
First ranking results；
Step 533, the Physical Resource Block resources occupation rate of the cell of the cell set is ranked up from low to high,
Obtain the second ranking results；
Step 534, first ranking results obtain first as a result, second ranking results multiplied by first weight
Multiplied by second weight obtain second as a result, and first result and second results added, obtain integrated ordered knot
Fruit；
Step 535, the cell for obtaining the first sequence that the integrated ordered result sorts from high to low, will be described first
The cell setting of sequence is the optimal secondary cell of the network performance of the terminal.
Specific algorithm, user is resident and the cell definitions being initially accessed are main plot (or referred to as main carrier), even
When connecing state, the information of cell set is sent to by UE by measurement control message, while issuing A4 (A4 measurement is for initially adding
The measurement thresholding of secondary carrier) measurement control message.After receiving the measurement report of UE return, received in measurement report to all,
And the cell belonged in cell set is ranked up from high to low according to RSRP, the row's of obtaining result { Rankrsrpi }, eNodeB passes through
X2 interface collects the RB resources occupation rate of adjacent area in cell set, and is ranked up from low to high by occupancy, obtains ranking results
{ Rankrpi }, final integrated ordered { Ranki }={ Rankrsrpi } * x%+ { Rankrpi } * y%, finally selects integrated ordered
Highest cell issues the reconfiguring cell RRC as secondary cell, it is configured to the secondary cell of the CA user.
Traditional carrier wave aggregating algorithm can only be fixed on the basis of two cells progress carrier wave polymerizations of support, small by configuring
Area's set, can dynamically select optimal secondary carrier, and the switching between secondary carrier may be implemented, to ensure that carrier wave polymerize
The validity of function adapts to more networking scenes, plays the performance of carrier wave polymerization, the user experience is improved.
Realization process of the invention is specifically exemplified below.
The A cell of the cell of carrier wave polymerization compared with the existing technology is fixedly connected with switching, C cell and D cell with B cell
It is fixedly connected with switching, E cell is fixedly connected with switching with F cell, and this programme can be small by A cell, B cell, C cell, D cell, E
Area and F cell are as a cell set, and after the cell that terminal initial accesses is A cell, other residue B cells, C cell, D are small
Area, E cell and F cell can be used as to be switched secondary cell, while small to B cell, C cell, D cell, E cell and F in real time
The network performance parameter progress in area is integrated ordered, and obtaining such as optimal cell is E cell, then switches to terminal and E cell
It is attached, the connection before then terminal disconnects with A cell, it is subsequent to continue the best cell progress of network performance parameter
Switching.
As shown in figure 9, the configuration device that the carrier wave of the embodiment of the present invention polymerize, is applied to network side, the configuration device
Include:
First judging treatmenting module 91, the information of accessed cell when for judging that terminal accesses the first frequency range carrier wave will
Accessed cell setting is main plot；
Second judging treatmenting module 92, for judging cell set belonging to the main plot, wherein in the cell set
Cell all has the least partially overlapped covering of the first frequency range carrier wave and the second frequency range carrier wave；
First obtains module 93, for obtaining the second frequency range carrier wave progress performance survey to cell each in the cell set
The metrical information of amount is ranked up the cell of the cell set according to the subzone network performance parameter in the metrical information,
It obtains the optimal cell of the network performance of the second frequency range carrier wave, is set as the secondary cell of the terminal；
First sending module 94, for sending the first reconfiguration information to the end by radio resource control RRC message
The secondary cell is accessed by the terminal, wherein first reconfiguration information includes carrying the information of the secondary cell in end.
By the first judging treatmenting module 91, when terminal accesses the first frequency range carrier wave, accessed cell is judged as main plot,
Cell set belonging to main plot is judged further according to the second judging treatmenting module 92, subsequently first obtains the acquisition of module 93 to described
The second frequency range carrier wave of each cell carries out the metrical information of performance measurement in cell set, and the cell for being ranked up cell set obtains
The optimal cell of network performance sends first using RRC information finally by the first sending module 94 and reconfigures as secondary cell
Information carries out access secondary cell to terminal, uses cell set dynamic binding in this way, not only can effectively promote carrier wave polymerization and occur
Probability, and switching can be reduced, secondary cell does not have to switching or main plot when secondary cell switches when main plot switches
Do not switch, to ensure that the validity of CA function, adapt to more networking scenes, has not only played the performance of CA, but also
Also the user experience is improved.In the configuration device of the carrier wave polymerization of another embodiment of the present invention, the cell in the cell set
The top n cell to sort from high to low for the overlapping range of the first frequency range carrier wave and the second frequency range carrier wave.
In the configuration device of the carrier wave polymerization of another embodiment of the present invention, the configuration device further include:
Judgment module, for judging that there is the same of similar frequency bands carrier wave with the presence or absence of with the secondary cell in the cell set
Frequency adjacent area；
Processing module, for being that there are the secondary cells to have similar frequency bands carrier wave in the cell set in judging result
When homogeneous-frequency adjacent-domain, and the signal quality of the homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and after continuing preset time,
Cell will can be switched in the second reconfiguration message for then sending secondary cell to terminal using the RRC information in the co-frequency cell
Information be sent to the terminal, make secondary cell described in the terminal deletion and access the changeable cell.
In the configuration device of the carrier wave polymerization of another embodiment of the present invention, the configuration device further include:
Second obtains module, for obtaining the first frequency range carrier wave progress performance measurement to cell each in the cell set
Metrical information the cell of the cell set is ranked up, is obtained according to the subzone network performance parameter in the metrical information
The optimal cell of the network performance of the first frequency range carrier wave out is set as the to be switched main plot of the terminal；
Second sending module, for sending third reconfiguration information to the terminal by radio resource control RRC message,
The main plot and/or the secondary cell are accessed by the terminal, wherein to carry the master small for the third reconfiguration information
The information of the information in area and the secondary cell.
In the configuration device of the carrier wave polymerization of another embodiment of the present invention, the network performance parameter includes at least cell
Signal strength, resources occupation situation, Reference Signal Received Power and Physical Resource Block resources occupation rate it is one or more.
In the configuration device of the carrier wave polymerization of another embodiment of the present invention, second judging treatmenting module 92 includes:
Processing submodule is obtained, for obtaining the second frequency range carrier wave progress performance survey to cell each in the cell set
The metrical information of amount is accounted for according to the Reference Signal Received Power of the cell in the metrical information and the Physical Resource Block resource
There is the network performance importance of rate, distributes the first weight to the Reference Signal Received Power, and provide to the Physical Resource Block
The second weight is distributed in source；
First sorting sub-module, for by the Reference Signal Received Power of the cell of the cell set from high to low into
Row sequence, obtains the first ranking results；
Second sorting sub-module, for by the Physical Resource Block resources occupation rate of the cell of the cell set by as low as
Height is ranked up, and obtains the second ranking results；
Submodule is handled, obtains first as a result, described second multiplied by first weight for first ranking results
Ranking results multiplied by second weight obtain second as a result, and first result and second results added, obtain comprehensive
Close ranking results；
Judging submodule will for obtaining the cell for the first sequence that the integrated ordered result sorts from high to low
The cell setting of the first sequence is the optimal secondary cell of the network performance of the terminal.
It should be noted that device provided by the invention is using the device of the configuration method of carrier wave polymerization, then above-mentioned master
All embodiments for the configuration method that machine system polymerize carrier wave are suitable for the device, and can reach the same or similar and have
Beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of configuration method of carrier wave polymerization, is applied to network side, which is characterized in that the configuration method includes:
Accessed cell setting is main plot by the information for judging accessed cell when terminal accesses the first frequency range carrier wave；
Cell set belonging to the main plot is judged, wherein the cell in the cell set all has the first frequency range carrier wave and second
The least partially overlapped covering of frequency range carrier wave；
The metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set is obtained, according to the survey
The subzone network performance parameter in information is measured, the cell of the cell set is ranked up, obtains the second frequency range carrier wave
The optimal cell of network performance, is set as the secondary cell of the terminal；
The first reconfiguration information is sent to the terminal by radio resource control RRC message, is accessed by the terminal described auxiliary
Cell, wherein first reconfiguration information includes carrying the information of the secondary cell；
The network performance parameter includes at least signal strength, resources occupation situation, Reference Signal Received Power and the object of cell
Manage the one or more of resource block resources occupation rate；
It is described to obtain the metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set, according to institute
The subzone network performance parameter in metrical information is stated, the cell of the cell set is ranked up, show that network performance is optimal
Cell, the step of being set as the secondary cell of the terminal include:
The metrical information that performance measurement is carried out to the second frequency range carrier wave of each cell in the cell set is obtained, according to the survey
The Reference Signal Received Power of the cell in information and the network performance importance of the Physical Resource Block resources occupation rate are measured, it is right
The Reference Signal Received Power distributes the first weight, and to second weight of Physical Resource Block resource allocation；
The Reference Signal Received Power of the cell of the cell set is ranked up from high to low, obtains the first sequence knot
Fruit；
The Physical Resource Block resources occupation rate of the cell of the cell set is ranked up from low to high, obtains the second sequence
As a result；
First ranking results multiplied by first weight obtain first as a result, second ranking results multiplied by described second
Weight obtain second as a result, and first result and second results added, obtain integrated ordered result；
The cell for obtaining the first sequence that the integrated ordered result sorts from high to low, the cell of the first sequence is set
It is set to the optimal secondary cell of the network performance of the terminal.
2. the configuration method of carrier wave polymerization according to claim 1, which is characterized in that the cell in the cell set is institute
State the top n cell that the overlapping range of the first frequency range carrier wave and the second frequency range carrier wave sorts from high to low.
3. the configuration method of carrier wave polymerization according to claim 1, which is characterized in that obtaining the second frequency range carrier wave
The optimal cell of network performance, after the step of being set as the secondary cell of the terminal, further includes:
Judge in the cell set with the presence or absence of the homogeneous-frequency adjacent-domain with the secondary cell with similar frequency bands carrier wave；
It is in the cell set there are when the homogeneous-frequency adjacent-domain that the secondary cell has similar frequency bands carrier wave in judging result, and it is described
After the signal quality of homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and continues preset time, then the RRC information is utilized
The information that cell can be switched in the co-frequency cell is sent to the end by the second reconfiguration message that secondary cell is sent to terminal
End, makes secondary cell described in the terminal deletion and accesses the changeable cell.
4. the configuration method of carrier wave polymerization according to claim 1, which is characterized in that belonging to the judgement main plot
Cell set after, the configuration method further include:
The metrical information that performance measurement is carried out to the first frequency range carrier wave of each cell in the cell set is obtained, according to the survey
The subzone network performance parameter in information is measured, the cell of the cell set is ranked up, obtains the first frequency range carrier wave
The optimal cell of network performance is set as the to be switched main plot of the terminal；
Third reconfiguration information is sent to the terminal by radio resource control RRC message, and the master is accessed by the terminal
Cell and/or the secondary cell, wherein the third reconfiguration information carries the information and the secondary cell of the main plot
Information.
5. a kind of configuration device of carrier wave polymerization, is applied to network side, which is characterized in that the configuration device includes:
First judging treatmenting module, the information of accessed cell, will be accessed when for judging that terminal accesses the first frequency range carrier wave
Cell setting is main plot；
Second judging treatmenting module, for judging cell set belonging to the main plot, wherein the cell in the cell set is equal
Least partially overlapped covering with the first frequency range carrier wave and the second frequency range carrier wave；
First obtains module, for obtaining the survey for carrying out performance measurement to the second frequency range carrier wave of cell each in the cell set
Amount information is ranked up the cell of the cell set according to the subzone network performance parameter in the metrical information, obtains institute
The optimal cell of the network performance of the second frequency range carrier wave is stated, the secondary cell of the terminal is set as；
First sending module, for sending the first reconfiguration information to the terminal, by institute by radio resource control RRC message
It states terminal and accesses the secondary cell, wherein first reconfiguration information includes carrying the information of the secondary cell；
The network performance parameter includes at least signal strength, resources occupation situation, Reference Signal Received Power and the object of cell
Manage the one or more of resource block resources occupation rate；
Second judging treatmenting module includes:
Processing submodule is obtained, for obtaining to the second frequency range carrier wave progress performance measurement of cell each in the cell set
Metrical information, according to the Reference Signal Received Power of the cell in the metrical information and the Physical Resource Block resources occupation rate
Network performance importance, distribute the first weight to the Reference Signal Received Power, and to the Physical Resource Block resource point
With the second weight；
First sorting sub-module, for arranging the Reference Signal Received Power of the cell of the cell set from high to low
Sequence obtains the first ranking results；
Second sorting sub-module, for by the Physical Resource Block resources occupation rate of the cell of the cell set from low to high into
Row sequence, obtains the second ranking results；
Submodule is handled, obtains first as a result, second sequence multiplied by first weight for first ranking results
As a result multiplied by second weight obtain second as a result, and first result and second results added, obtain comprehensive row
Sequence result；
Judging submodule will be described for obtaining the cell for the first sequence that the integrated ordered result sorts from high to low
The cell setting of first sequence is the optimal secondary cell of the network performance of the terminal.
6. the configuration device of carrier wave polymerization according to claim 5, which is characterized in that the cell in the cell set is institute
State the top n cell that the overlapping range of the first frequency range carrier wave and the second frequency range carrier wave sorts from high to low.
7. the configuration device of carrier wave polymerization according to claim 5, which is characterized in that the configuration device further include:
Judgment module, for judging in the cell set with the presence or absence of the same frequency neighbour with the secondary cell with similar frequency bands carrier wave
Area；
Processing module, for being that there are the same frequencies that the secondary cell has similar frequency bands carrier wave in the cell set in judging result
When adjacent area, and the signal quality of the homogeneous-frequency adjacent-domain is higher than the signal quality of the secondary cell and after continuing preset time, then sharp
The letter of cell will can be switched in the second reconfiguration message for sending secondary cell to terminal with the RRC information in the co-frequency cell
Breath is sent to the terminal, makes secondary cell described in the terminal deletion and accesses the changeable cell.
8. the configuration device of carrier wave polymerization according to claim 5, which is characterized in that the configuration device further include:
Second obtains module, for obtaining the survey for carrying out performance measurement to the first frequency range carrier wave of cell each in the cell set
Amount information is ranked up the cell of the cell set according to the subzone network performance parameter in the metrical information, obtains institute
The optimal cell of the network performance of the first frequency range carrier wave is stated, the to be switched main plot of the terminal is set as；
Second sending module, for sending third reconfiguration information to the terminal, by institute by radio resource control RRC message
It states terminal and accesses the main plot and/or the secondary cell, wherein the third reconfiguration information carries the main plot
The information of information and the secondary cell.
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| KR20180027305A (en) | 2016-09-06 | 2018-03-14 | 삼성전자주식회사 | Apparatus and method for selecting cell in wireless communication system |
| US11184057B2 (en) | 2016-09-06 | 2021-11-23 | Samsung Electronics Co., Ltd. | Apparatus and method for selecting cell in wireless communication system |
| WO2018086067A1 (en) * | 2016-11-11 | 2018-05-17 | 北京小米移动软件有限公司 | Communication method and device |
| CN108243450B (en) * | 2016-12-27 | 2021-07-16 | 中国移动通信集团浙江有限公司 | Network switching method and device |
| CN106851722B (en) * | 2017-01-19 | 2019-09-17 | 京信通信系统（中国）有限公司 | A kind of method and device handling carrier wave aggregation configuration |
| WO2018205387A1 (en) * | 2017-05-12 | 2018-11-15 | 华为技术有限公司 | Secondary cell configuration method, base station and terminal device |
| CN109803278B (en) * | 2017-11-16 | 2022-04-26 | 维沃移动通信有限公司 | Non-connection state measuring method, terminal and base station |
| KR20210022561A (en) | 2018-06-21 | 2021-03-03 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Ability Interaction Method and Related Equipment |
| WO2020027630A1 (en) * | 2018-08-02 | 2020-02-06 | 삼성전자 주식회사 | Device and method for selecting cell in wireless communication system |
| CN111328085B (en) * | 2018-12-13 | 2021-10-01 | 华为技术有限公司 | Method and communication device for configuring secondary cell |
| CN111371537B (en) * | 2018-12-26 | 2023-04-28 | 中国移动通信集团四川有限公司 | Cell carrier aggregation parameter optimization method, device, equipment and storage medium |
| CN110022563B (en) * | 2019-03-01 | 2022-02-11 | 中国联合网络通信集团有限公司 | Method and device for adjusting multi-carrier same coverage |
| WO2020199017A1 (en) * | 2019-03-29 | 2020-10-08 | 华为技术有限公司 | Reconfiguration method, terminal device, and communication system |
| CN111342946B (en) * | 2020-02-27 | 2022-05-27 | 深圳市广和通无线股份有限公司 | Frequency band combination reporting method and device, computer equipment and storage medium |
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