CN105828380A - Network congestion control method and base station - Google Patents
Network congestion control method and base station Download PDFInfo
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- CN105828380A CN105828380A CN201610302801.2A CN201610302801A CN105828380A CN 105828380 A CN105828380 A CN 105828380A CN 201610302801 A CN201610302801 A CN 201610302801A CN 105828380 A CN105828380 A CN 105828380A
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- scc
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
Abstract
The embodiment of the invention provides a network congestion control method and a base station. According to the method and the base station, occurrence of network congestion can be reduced, the communication quality of a system can be optimized, and the method and the base station are beneficial for access of new users. The method comprises following steps of obtaining the ratio of the RRC (Radio Resource Control) connection quantity of a cell in the maximum connection quantity of the cell; carrying out configuration elimination to m terminals in the target terminals of the cell with the maximum activated secondary component carrier SCC quantity if it is determined that the ratio of the RRC connection quantity of the cell in the maximum connection quantity of the cell is greater than or equal to a preset threshold value, thus enabling the ratio of the RRC connection quantity of the cell in the maximum connection quantity of the cell to be smaller than the preset threshold value, wherein the target terminals of the cell are the CA (Carrier Aggregation) terminals in the cell for carrying out Non-GBR (Non-Guaranteed Bit Rate) service. The method and the base station are applicable to the technical field of communication.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for controlling network congestion and base station.
Background technology
Carrier aggregation (Carrier Aggregation, CA) is long-term evolution upgrading version (Long Term
Evolution-Advanced, LTE-A) key technology in system.
In lte-a system, owing to supporting that the terminal of carrier aggregation can be at the multiple one-tenth activated
Set up multiple wireless heterogeneous networks (Radio Resource Control, RRC) even on member's carrier wave simultaneously
Connecing, therefore when the terminal supporting carrier aggregation in network is more, it is past that the RRC in community connects number
Past relatively big, and the RRC that base station can be provided by connects limited, this allows for what whole net reality can be accessed by
Terminal quantity is substantially reduced, thus it is congested to cause network easily to occur, and has a strong impact on the communication quality of system,
And affect the access of new user.
Summary of the invention
To this end, the embodiment of the present invention provides a kind of method for controlling network congestion and base station, at least to solve
And the problem that easily cause network congestion more due to the terminal supporting carrier aggregation in network, it is possible to reduce
The generation of network congestion, optimizes the communication quality of system, the access of the newest user.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that a kind of method for controlling network congestion, including:
Obtain the connection number of the RRC in community and account for the ratio of its maximum number of connections；
If it is determined that the ratio that the RRC in described community connects the maximum number of connections that number accounts for described community is big
In or equal to predetermined threshold value, to the auxiliary carrier wave (Secondary activated in the target terminal of described community
Component Carrier, SCC) number m most terminals carry out configure so that described community
In RRC connect number and account for the ratio of maximum number of connections of described community less than described predetermined threshold value, its
In, the target terminal of described community is to carry out non-guaranteed bit rate (Non-Guaranteed in described community
Bit Rate, Non-GBR) the CA terminal of business, m is positive integer, and m is less than or equal to described little
The sum of the target terminal in district.
Second aspect, it is provided that a kind of base station, including: acquiring unit, removes dispensing unit；
Described acquiring unit, accounts for the maximum connection of described community for obtaining the RRC connection number in community
The ratio of number；
Described remove dispensing unit, for determining that the RRC in described community connects number and accounts for described community
The ratio of maximum number of connections, more than or equal to after predetermined threshold value, activates in the target terminal of described community
Most m the terminal of SCC count carry out configuration so that the RRC in described community connects number and accounts for
The ratio of the maximum number of connections of described community is less than described predetermined threshold value, wherein, the target of described community
Terminal is the CA terminal carrying out Non-GBR business in described community, and m is positive integer, and m is little
Sum in the target terminal equal to described community.
Based on such scheme, connect the maximum number of connections of Shuo Zhan community by obtaining the RRC in community
Ratio, and determining that this ratio, more than or equal to after predetermined threshold value, swashs in the target terminal of community
M most for the SCC terminals lived carries out configuration, to discharge the part RRC connection in community,
Reduce the RRC in community and connect number, so that the RRC in community connects the maximum of Shuo Zhan community
The ratio connecting number is less than predetermined threshold value, i.e. makes the RRC in community connect number and is reduced to ultimate value
Hereinafter, consequently, it is possible to be i.e. effectively reduced the generation of network congestion, optimize the communication quality of system,
Alleviate the problem that the newest user accesses obstruction.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, in embodiment being described below
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The application scenarios schematic diagram of the method for controlling network congestion that Fig. 1 provides for the embodiment of the present invention；
The schematic flow sheet one of a kind of method for controlling network congestion that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet two of a kind of method for controlling network congestion that Fig. 3 provides for the embodiment of the present invention；
The scene schematic diagram of the example that Fig. 4 provides for the embodiment of the present invention；
In the example that Fig. 5 provides for the embodiment of the present invention, base station and terminal realize the friendship of web impact factor
Flow chart mutually；
The composition schematic diagram of a kind of base station that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
It should be noted that for the ease of the technical scheme clearly describing the embodiment of the present invention, at this
In bright following each embodiment, have employed the printed words such as " first ", " second " essentially identical to function and effect
Identical entry or similar item make a distinction, it will be appreciated by those skilled in the art that " first ", " second " etc.
Quantity and execution order are not defined by printed words.
It addition, it should be noted that, in the case of not conflicting, the embodiment in the application and enforcement
Feature in example can be combined with each other.It will appreciated by the skilled person that the embodiment of the present application
Shown in the schematic explanation made for ease of reader understanding by the present invention of example, it is right to be not intended that
The restriction of the present invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes.
First, the application scenarios such as Fig. 1 of the method for controlling network congestion that the embodiment of the present invention provides is given
Shown in, wherein, base station 10 connects number by the RRC in monitoring community 30 in real time, and is finding
When the RRC connection number of community 30 is bigger, in time the part terminal 20 in community 30 is carried out deallocation
Putting, to reduce the RRC connection number in community 30, reduce the generation of network congestion, alleviation connects
The problem that the new user that gets off accesses obstruction.
Secondly, for ease of understanding, carrier aggregation technology and related notion are briefly discussed below:
So-called carrier aggregation is that scrappy frequency range is merged into frequency range one " virtual ", broader,
To transmit user data in this broader frequency range simultaneously, thus reach to increase the transmission belt of user data
Width, improves the purpose of message transmission rate.
Wherein, described scrappy frequency range is referred to as member carrier (Component Carrier, CC).
For ease of member carrier is managed, again CC is divided into main member carrier (Primary Carrier
Component, PCC) and SCC.In lte-a system, support 1 PCC and at most 4
The polymerization of individual SCC, by setting up multiple RCC of terminal and base station on PCC and SCC simultaneously
Connect, the rapid data transmission of terminal and base station can be realized.
But, owing to supporting that the terminal of carrier aggregation can on the multiple member carriers activated simultaneously
Set up multiple RRC to connect, therefore when the terminal supporting carrier aggregation in network is more, in community
RRC to connect number the biggest, and the RRC that base station can be provided by connects limited, and this allows for whole
The terminal quantity that net reality can be accessed by is substantially reduced, thus it is congested to cause network easily to occur, and has a strong impact on
The communication quality of system, and affect the access of new user.
To this end, a kind of method for controlling network congestion of the embodiment of the present invention, as in figure 2 it is shown, include:
RRC in S201, acquisition community, base station connects number and accounts for the ratio of its maximum number of connections.
Wherein, the maximum number of connections of community depends on the capacity of equipment of its own base station, specifically can basis
The configuration of base station obtains, and this is not especially limited by the embodiment of the present invention.
Preferably, base station can be entered according to this ratio according to this ratio of the acquisition of default cycle
Row congestion control.Certainly, obtained, by reducing, the power consumption that this ratio is brought, it is possible to accessing user relatively
Obtaining this ratio in many specific time periods, carry out congestion control, this is not made specifically by the embodiment of the present invention
Limit.
Concrete, as it is shown on figure 3, can be obtained in community by S201a-S201b as follows
RRC connects number and accounts for the ratio of its maximum number of connections:
S201a, acquisition community, base station are in the CA terminal of connected state and the number of non-CA terminal with
And the number of SCC that each CA terminal being in connected state is activated.
It should be noted that it will be understood by those skilled in the art that described in the embodiment of the present invention
CA terminal refers to support the terminal of carrier aggregation, and accordingly, described non-CA terminal refers to not support to carry
The terminal of ripple polymerization.
S201b, base station are according to CA terminal and non-CA terminal number and each CA being in connected state
The number of the SCC that terminal is activated, in conjunction with preset formula, determines that the RRC in community connects number and accounts for
The ratio of its maximum number of connections.
Wherein, preset formula includes formula (1) as follows and formula (2):
P=Num_RRC_total/Num_RRC_max formula (2)
In formula, Num_RRC_total represents that the RRC in community connects number, and Num_CA represents community Zhong Chu
In the number of the CA terminal of connected state, Num_CA_i_SCC_active represents and is in connected state in community
The number of SCC that i-th CA terminal activates, Num_non_CA represents and is in the non-of connected state in community
The number of CA terminal, P represents that the RRC in community connects number and accounts for the ratio of its maximum number of connections,
Num_RRC_max represents the maximum number of connections of community.
Exemplary, it is assumed that base station includes community 0, community 1 and 23, community
The CA terminal being in connected state in community, and current area 1 has UE201, UE202 and UE203
3 terminals, the ongoing business of UE201, UE202 and UE203 is Non-GBR business,
The SCC count mesh that UE201, UE202 and UE203 are activated is respectively 3,2,4, locates in community 0
Non-CA terminal in connected state has 1 terminal of UE204, then can be calculated according to formula (1)
It is 3+3+2+4+1=13 that the RRC of community 1 connects number Num_RRC_total.Further, it is assumed that little
It is 12 that the maximum RRC in district 1 connects number Num_RRC_max, then can be calculated according to formula (2)
In community 1, RRC connection number accounts for the ratio P=108% of maximum RRC connection number.
If S202 base station determines that the RRC in community connects the ratio of the maximum number of connections of Shuo Zhan community
More than or equal to predetermined threshold value, to m that in the target terminal of community, the SCC count of activation is most eventually
End carries out configuration so that the ratio of the maximum number of connections that the RRC in community connects Shuo Zhan community is little
In predetermined threshold value.
Wherein, the target terminal of community is the CA terminal carrying out Non-GBR business in community, m
For positive integer, and m is less than or equal to the sum of the target terminal of community.
If the RRC that is appreciated that in community connect the ratio of Shuo Zhan community maximum number of connections more than or
Equal to predetermined threshold value, then illustrate that the RRC in now community connects number relatively big, easily cause network to gather around
Plug, therefore, need to carry out configuration in time, to reduce the generation of network congestion, optimizes the communication of system
Quality.
It should be noted that according to the difference of service quality (Quality of Service, QoS), can
By delineation of activities for ensureing bit rate (Guaranteed Bit Rate, GBR) business and Non-GBR industry
Business two big classes.Wherein, GBR traffic refers to that the bit rate required by business is constant by network " forever "
Distribution, even if network over loading or congested time corresponding bit rate also be able to keep, quality of service
An impregnable class business, such as, the real time business such as speech business, video traffic is typically
GBR traffic.And Non-GBR business refers to not require QoS, need in the case of network congestion
Bear the business of the requirement reducing bit rate, such as webpage (Web) application, Email
(Electronic Mail, E-mail) arranges etc. and to belong to Non-GBR business.Due to Non-GBR
Business need not take fixing Internet resources, can set up for a long time, therefore gathers around when network
During plug, can be by network carrying out the SCC count that activates in the CA terminal of Non-GBR business relatively
Many terminals carry out configuration, with in the case of not traffic affecting, reduce the RRC in community even
Connect number, it is to avoid network congestion, optimize the communication quality of system.
Exemplary, connect an example, it is assumed that predetermined threshold value is 92%, according to aforementioned calculating P=108%,
108% > 92%, therefore in community 1, RRC connection number accounts for the ratio of maximum RRC connection number more than pre-
If threshold value, thus the part terminal in Xu Dui community 1 performs to go configuration, so that the RRC in community 1
Connect the ratio of maximum number of connections of Shuo Zhan community 1 less than predetermined threshold value.
Preferably, in step S202, the base station SCC count to activating in the target terminal of community is minimum
M terminal carry out configuration so that RRC in community connects the maximum number of connections of Shuo Zhan community
Ratio less than predetermined threshold value, specifically may include that
The number of the SCC that S202 ＇ activates according to m terminal base station order from high in the end, successively
M terminal is gone configuration, until the RRC in community connects the maximum number of connections of Shuo Zhan community
Ratio less than predetermined threshold value.
I.e., first go to configure to the terminal that the SCC count activated in m terminal is most, afterwards,
Judge that deallocation postpones RRC in community and whether connects the ratio of the maximum number of connections of Shuo Zhan community less than pre-
If threshold value, if being less than, then stop；If being not less than, continue to have removed configurating terminal to m terminal is removed
Outside the many terminal of the SCC count time that activates carry out configuration, and judge that deallocation postpones RRC in community
Whether the ratio of the maximum number of connections connecting Shuo Zhan community is less than predetermined threshold value, if being less than, then stops,
If being not less than, then continue next terminal is gone configuration ..., so, until in community
RRC connects the ratio of the maximum number of connections of Shuo Zhan community less than predetermined threshold value.
Concrete, any terminal first terminal in m terminal is gone configuration, the most permissible
S202a-S202b including as follows:
S202a, base station determine the SCC that first terminal is corresponding.
Wherein, the SCC that first terminal is corresponding is resource occupation in the SCC that first terminal activates
The SCC that rate is minimum.
S202b, base station send RRC to first terminal and connect reconfiguration message.
Wherein, RRC connects reconfiguration message and carries the mark of a SCC, and RRC connects and heavily joins
Put message to connect for indicating first terminal to discharge its RRC set up on a SCC.
Exemplary, connect an example, as it is shown in figure 5, the target terminal in community 1 is gone
The detailed process of configuration is:
S1: base station determines terminal UE 203 correspondence that in target terminal, the SCC count of activation is most
Oneth SCC.
Assume that 4 carrier waves that UE203 activates are carrier wave 0, carrier wave 1, carrier wave 2 and carrier wave 3,
And the resources occupation rate of each carrier wave is followed successively by 30%, 10%, 20%, 40%, then may determine that wherein
Resources occupation rate minimum for carrier wave 1, it is thus determined that a SCC corresponding to UE203 is carrier wave 1.
The RRC that S2: base station sends, to UE203, the mark carrying carrier wave 1 connects reconfiguration message.
S3:UE203 receives the RRC connection reconfiguration message that base station sends, and according to this RRC
Connecting the mark of the carrier wave 1 carried in reconfiguration message, the RRC that release is set up on carrier 1 is even
Connect.
S4: in judgement current area, base station 1, RRC connects the maximum RRC in Shuo Zhan community 1 and connects number
Whether ratio is less than predetermined threshold value.
Specifically, can determine that according to formula (1) UE203 deallocation is postponed RRC in community 1
Connecting number is 12, and the maximum RRC of community 1 connection number is 12, therefore can according to formula (2)
Determine that the ratio P that in current area 1, the maximum RRC in RRC connection Shuo Zhan community 1 connects number is 100%,
Still greater than predetermined threshold value 92%.
S5: base station determines that in community 1, RRC connects the ratio of Shuo Zhan community 1 maximum RRC connection number
Not less than predetermined threshold value, determine the terminal that the SCC count time activated in the target terminal of community 1 is many
A SCC corresponding for UE201.
Assume that 3 carrier waves that UE201 activates are carrier wave 4, carrier wave 5 and carrier wave 6, each carrier wave
Resources occupation rate is followed successively by 30%, 25%, 15%, then may determine that wherein resources occupation rate is minimum
For carrier wave 6, it is thus determined that a SCC corresponding to UE201 is carrier wave 6.
The RRC that S6: base station sends, to UE201, the mark carrying carrier wave 6 connects reconfiguration message.
S7:UE201 receives the RRC connection reconfiguration message that base station sends, and connects according to this RRC
Connect the mark of the carrier wave 6 carried in reconfiguration message, be released on carrier wave 6 RRC set up and connect.
S8: in judgement current area, base station 1, RRC connects the maximum RRC in Shuo Zhan community 1 and connects number
Whether ratio is less than predetermined threshold value.
Specifically, can determine that in current area 1, RRC connection number is 11 according to formula (1), and
It is 12 that the maximum RRC of community 1 connects number, can determine that RRC in current area 1 according to formula (2)
The ratio P of the maximum RRC connection number connecting Shuo Zhan community 1 is 91.6%, less than predetermined threshold value 92%.
S9: base station determines that in current area 1, RRC connects Shuo Zhan community 1 maximum RRC connection number
Ratio is less than predetermined threshold value, terminates to go configuration.
So far, base station i.e. completes web impact factor, the RRC in community is connected number and accounts for it
The ratio that big RRC connects number has been reduced to below predetermined threshold value, it is thus possible to effectively reduces network and gathers around
The generation of plug, optimizes the communication quality of system, the access of the newest user.
It will be appreciated that the one that the above-mentioned example only embodiment of the present invention is given for ease of understanding is illustrative
Signal, does not constitute the restriction to the embodiment of the present invention.
Preferably, in the method for controlling network congestion that the embodiment of the present invention provides, if m terminal is deposited
In at least two the second terminal that the SCC count mesh activated is equal, then at least two the second terminal is entered
Row goes configuration, specifically may include that
Determine the 2nd SCC that at least two the second terminal, each second terminal is corresponding, according at least two
The resources occupation rate of the 2nd SCC that individual second terminal is corresponding order from low to high, successively at least
Two the second terminals carry out configuration.
Wherein, the 2nd SCC that the second terminal is corresponding is resource occupation in the SCC that the second terminal activates
The SCC that rate is minimum.
Exemplary, connect an example, it is assumed that the SCC that UE201 and UE202 in community 1 activates
Number is 3, and the SCC count mesh that UE203 activates is still 4, then UE203 is gone configuration by base station
After, determine that resources occupation rate in the SCC that UE201 and UE202 is activated is minimum respectively second
SCC, enters UE201 and UE202 according to the resources occupation rate order from small to large of the 2nd SCC
Row goes configuration.Specifically, it is assumed that the SCC (carrier wave 4, carrier wave 5, carrier wave 6) that UE201 activates
The resources occupation rate of middle carrier wave 6 is minimum, is 15%, SCC (carrier wave 7, the load that UE202 activates
Ripple 8, carrier wave 9) in the resources occupation rate of carrier wave 7 minimum, be 10%, then UE201 and UE202
The 2nd corresponding SCC is respectively carrier wave 6 and carrier wave 7, and owing to the resources occupation rate of carrier wave 7 is little
In the resources occupation rate of carrier wave 6, therefore base station postpones, first to UE202 UE203 is carried out deallocation
Carry out configuration, judge that RRC connects number and accounts for maximum RRC and connect the ratio of number and whether be less than the most again
Predetermined threshold value, if it is not, then continue UE201 goes configuration.
The method for controlling network congestion provided based on the embodiment of the present invention, by obtaining the RRC in community
Connect the ratio of the maximum number of connections of Shuo Zhan community, and determining that this ratio is more than or equal to predetermined threshold value
After, m most for the SCC terminals activated in the target terminal of community is gone configuration, to release
Put part RRC in community to connect, reduce the RRC in community and connect number, so that in community
RRC connect the ratio of maximum number of connections of Shuo Zhan community less than predetermined threshold value, i.e. make in community
RRC connect number be reduced to below ultimate value, consequently, it is possible to be i.e. effectively reduced network congestion
Occur, optimize the communication quality of system, alleviate the problem that the newest user accesses obstruction.
Based on such scheme, the embodiment of the present invention additionally provides a kind of base station, as shown in Figure 6, and including:
Acquiring unit 601, remove dispensing unit 602.
Wherein, acquiring unit 601, the Dalian of Shuo Zhan community is connected for obtaining the RRC in community
Connect several ratio.
Remove dispensing unit 602, for determining that the RRC in community connects the maximum number of connections of Shuo Zhan community
Ratio more than or equal to after predetermined threshold value, most to the SCC count activated in the target terminal of community
M terminal carry out configuration so that RRC in community connects the maximum number of connections of Shuo Zhan community
Ratio less than predetermined threshold value.
Wherein, the target terminal of community is the CA terminal carrying out Non-GBR business in community, m
For positive integer, and m is less than or equal to the sum of the target terminal of community.
Preferably, in the base station 60 that the embodiment of the present invention provides, go dispensing unit 602 the most permissible
For:
The number of the SCC activated according to m terminal order from high in the end, successively to m terminal
Carry out configuration, until the ratio of the maximum number of connections of the RRC connection Shuo Zhan community in community is less than
Predetermined threshold value.
Further, dispensing unit 602 is gone specifically to may be used for:
Determining the SCC that the first terminal in m terminal is corresponding, first terminal is m terminal
In any terminal, the SCC that first terminal is corresponding be first terminal activate SCC in resource
The SCC that occupancy is minimum；
Sending RRC to first terminal and connect reconfiguration message, RRC connects reconfiguration message and carries
The mark of the oneth SCC, RRC connects reconfiguration message and is used for indicating first terminal to discharge it first
The RRC of the upper foundation of SCC connects.
Optionally, in the base station 60 that the embodiment of the present invention provides, acquiring unit 601 specifically can be used
In:
Obtain in community and be in CA terminal and the number of non-CA terminal of connected state and be in connection
The number of the SCC that each CA terminal of state is activated；
According to CA terminal and non-CA terminal number and be in each CA terminal of connected state and activated
The number of SCC, in conjunction with preset formula, determine that the RRC in community connects the maximum of Shuo Zhan community
Connect the ratio of number.
Wherein, preset formula includes formula (1) and formula (2).
Preferably, in the base station 60 that the embodiment of the present invention provides, go dispensing unit 602 the most permissible
For:
If at least two the second terminal that the SCC count mesh that there is activation in m terminal is equal, determine
The 2nd SCC that at least two the second terminal, each second terminal is corresponding, according at least two second eventually
The resources occupation rate of the 2nd SCC that end is corresponding order from low to high, successively at least two second
Terminal carries out configuration.
Wherein, the 2nd SCC that the second terminal is corresponding is resource occupation in the SCC that the second terminal activates
The SCC that rate is minimum.
The base station provided based on the embodiment of the present invention, accounts for little by obtaining the RRC connection number in community
The ratio of the maximum number of connections in district, and after determining that this ratio is more than or equal to predetermined threshold value, to community
Target terminal in activate m most for SCC terminals carry out configure, to discharge in community
Part RRC connects, and reduces the RRC in community and connects number, so that the RRC in community is even
The ratio of the maximum number of connections of Jie Shuozhan community is less than predetermined threshold value, i.e. makes the RRC in community even
Connect number and be reduced to below ultimate value, consequently, it is possible to be i.e. effectively reduced the generation of network congestion, optimize
The communication quality of system, alleviates the problem that the newest user accesses obstruction.
Should be understood that in various embodiments of the present invention, the size of the sequence number of above-mentioned each process unawareness
Taste the priority of execution sequence, and the execution sequence of each process should determine with its function and internal logic, and
The implementation process of the embodiment of the present invention should not constituted any restriction.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, above-mentioned
The device described, is only illustrated with the division of above-mentioned each functional module, in actual application, and can
As desired above-mentioned functions distribution is completed by different functional modules, will the internal junction of device
Structure is divided into different functional modules, to complete all or part of function described above.Above-mentioned retouch
The specific works process of system, device and the unit stated, be referred in preceding method embodiment is right
Answer process, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, device
And method, can realize by another way.Such as, device embodiment described above is only
It is schematic, such as, described module or the division of unit, it is only a kind of logic function and divides,
Actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or can
To be integrated into another system, or some features can be ignored, or does not performs.Another point, shown
Or the coupling each other discussed or direct-coupling or communication connection can be by some interfaces, dress
Put or the INDIRECT COUPLING of unit or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate,
The parts shown as unit can be or may not be physical location, i.e. may be located at a ground
Side, or can also be distributed on multiple NE.Can select therein according to the actual needs
Some or all of unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit
In, it is also possible to it is that unit is individually physically present, it is also possible to two or more unit are integrated in
In one unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ soft
The form of part functional unit realizes.
If described integrated unit realizes and as independent product using the form of SFU software functional unit
When selling or use, can be stored in a computer read/write memory medium.Based on such reason
Solve, part that prior art is contributed by technical scheme the most in other words or this skill
Completely or partially can embodying with the form of software product of art scheme, this computer software product
It is stored in a storage medium, including some instructions with so that a computer equipment (can be
Personal computer, server, or the network equipment etc.) or processor (processor) perform this
All or part of step of method described in each embodiment bright.And aforesaid storage medium includes: USB flash disk,
Portable hard drive, read only memory (English: Read-Only Memory, be called for short: ROM),
Random access memory (English: Random Access Memory, be called for short: RAM), magnetic disc or
The various medium that can store program code such as CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art, can in the technical scope that the invention discloses
Readily occur in change or replace, all should contain within protection scope of the present invention.Therefore, the present invention
Protection domain should be as the criterion with described scope of the claims.
Claims (10)
1. a method for controlling network congestion, it is characterised in that including:
Obtain the radio resource control RRC in community and connect the ratio that number accounts for the maximum number of connections of described community
Value；
If it is determined that the RRC in described community connects number accounts for the ratio of its maximum number of connections more than or equal to pre-
If threshold value, m the terminal that the auxiliary carrier wave SCC count activated in the target terminal of described community is most is entered
Row goes configuration so that the RRC in described community connects the ratio that number accounts for the maximum number of connections of described community
Less than described predetermined threshold value, wherein, non-guaranteed ratio is carried out during the target terminal of described community is described community
The carrier aggregation CA terminal of special rate Non-GBR business, m is positive integer, and m is less than or equal to described
The sum of the target terminal of community.
Method the most according to claim 1, it is characterised in that the described target to described community
M the terminal that in terminal, the SCC count of activation is minimum carries out configuration so that the RRC in described community
The ratio connecting the maximum number of connections that number accounts for described community is less than described predetermined threshold value, including:
The number of the SCC activated according to described m terminal order from high in the end, successively to described m
Individual terminal carries out configuration, until the RRC in described community connects number and accounts for the maximum connection of described community
The ratio of number is less than described predetermined threshold value.
Method the most according to claim 1 and 2, it is characterised in that in described m terminal
First terminal carry out configuration, including:
Determining the SCC that described first terminal is corresponding, described first terminal is in described m terminal
Any terminal, the SCC that described first terminal is corresponding be described first terminal activate SCC in
The SCC that resources occupation rate is minimum；
Sending RRC to described first terminal and connect reconfiguration message, described RRC connects reconfiguration message
Carrying the mark of a described SCC, described RRC connects reconfiguration message and is used for indicating described first
Terminal discharges its RRC set up on a described SCC and connects.
4. according to the method described in any one of claim 1-3, it is characterised in that described acquisition community
In RRC connect number and account for the ratio of maximum number of connections of described community, including:
Obtain and described community is in the CA terminal of connected state and the number of non-CA terminal and described place
Number in the SCC that each CA terminal of connected state is activated；
According to described CA terminal and non-CA terminal number and described in be in each CA terminal of connected state
The number of the SCC activated, in conjunction with preset formula, determines that the RRC in described community connects number and accounts for institute
Stating the ratio of the maximum number of connections of community, wherein, described preset formula includes:
P=Num_RRC_total/Num_RRC_max,
Wherein, Num_RRC_total represents that the RRC in described community connects number, and Num_CA represents described little
Being in the number of the CA terminal of connected state in district, Num_CA_i_SCC_active represents in described community and is in
The number of SCC that i-th CA terminal of connected state activates, Num_non_CA represents in described community and is in
The number of the non-CA terminal of connected state, P represents that the RRC in described community connects number and accounts for described community
The ratio of maximum number of connections, Num_RRC_max represents the maximum number of connections of described community.
5. according to the method described in any one of claim 2-4, it is characterised in that if described m end
End exists at least two the second terminal that the SCC count mesh of activation is equal, to described at least two second
Terminal carries out configuration, including:
Determine the 2nd SCC that in described at least two the second terminal, each second terminal is corresponding, according to described
The resources occupation rate of the 2nd SCC that at least two the second terminal is corresponding order from low to high is the most right
Described at least two the second terminal carries out configuration, and the 2nd SCC corresponding to described second terminal is described
The SCC that in the SCC that second terminal activates, resources occupation rate is minimum.
6. a base station, it is characterised in that including: acquiring unit, remove dispensing unit；
Described acquiring unit, accounts for described little for obtaining the radio resource control RRC connection number in community
The ratio of the maximum number of connections in district；
Described remove dispensing unit, for determining that the RRC in described community connects number and accounts for described community
The big ratio of number that connects is more than or equal to after predetermined threshold value, auxiliary to activate in the target terminal of described community
Most m the terminal of carrier wave SCC count carries out configuration so that the RRC in described community connects number and accounts for
The ratio of the maximum number of connections of described community is less than described predetermined threshold value, and wherein, the target of described community is eventually
End is for carrying out the carrier aggregation CA terminal of non-ensured bit rate Non-GBR business, m in described community
For positive integer, and m is less than or equal to the sum of the target terminal of described community.
Base station the most according to claim 6, it is characterised in that described in go dispensing unit specifically to use
In:
The number of the SCC activated according to described m terminal order from high in the end, successively to described m
Individual terminal carries out configuration, until the RRC in described community connects number and accounts for the maximum connection of described community
The ratio of number is less than described predetermined threshold value.
8. according to the base station described in claim 6 or 7, it is characterised in that described in go dispensing unit to have
Body is used for:
Determining the SCC that the first terminal in described m terminal is corresponding, described first terminal is institute
Stating any terminal in m terminal, the SCC that described first terminal is corresponding is described first terminal
The SCC that in the SCC activated, resources occupation rate is minimum；
Sending RRC to described first terminal and connect reconfiguration message, described RRC connects reconfiguration message
Carrying the mark of a described SCC, described RRC connects reconfiguration message and is used for indicating described first
Terminal discharges its RRC set up on a described SCC and connects.
9. according to the base station described in any one of claim 6-8, it is characterised in that described acquiring unit
Specifically for:
Obtain and described community is in the CA terminal of connected state and the number of non-CA terminal and described place
Number in the SCC that each CA terminal of connected state is activated；
According to described CA terminal and non-CA terminal number and described in be in each CA terminal of connected state
The number of the SCC activated, in conjunction with preset formula, determines that the RRC in described community connects number and accounts for institute
Stating the ratio of the maximum number of connections of community, wherein, described preset formula includes:
P=Num_RRC_total/Num_RRC_max,
Wherein, Num_RRC_total represents that the RRC in described community connects number, and Num_CA represents described little
Being in the number of the CA terminal of connected state in district, Num_CA_i_SCC_active represents in described community and is in
The number of SCC that i-th CA terminal of connected state activates, Num_non_CA represents in described community and is in
The number of the non-CA terminal of connected state, P represents that the RRC in described community connects number and accounts for described community
The ratio of maximum number of connections, Num_RRC_max represents the maximum number of connections of described community.
10. according to the base station described in any one of claim 7-9, it is characterised in that described in go configuration single
Unit specifically for:
If at least two the second terminal that the SCC count mesh that there is activation in described m terminal is equal, really
The 2nd SCC that in fixed described at least two the second terminal, each second terminal is corresponding, according to described at least two
The resources occupation rate of the 2nd SCC that individual second terminal is corresponding order from low to high, successively to described extremely
Few two the second terminals carry out configuration, and the 2nd SCC corresponding to described second terminal is described second eventually
The SCC that in the SCC that end activates, resources occupation rate is minimum.
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