CN103369565B - One kind determines the whether suitable method and device of terminal state transition - Google Patents
One kind determines the whether suitable method and device of terminal state transition Download PDFInfo
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Abstract
The invention discloses one kind to determine the whether suitable method and device of terminal state transition, including：When terminal is in first state, average data rate of the record terminal in first state；After terminal moves to the second state by first state, record average data rate of the terminal in the second state, according to the change of average data rate of the terminal in first state, the change of average data rate average data rate relative to terminal in first state of the change and terminal of average data rate of the terminal in the second state in the second state, determines whether terminal state transition is suitable.The present invention selects more suitably RRC (son) states and the selection of different DRX cycle length to provide foundation for UE; make network in Radio Resource whole utilization efficiency; the performance of meaningless signaling consumption, UE electric quantity protectives, customer service experience maintenance etc. obtains comprehensive improvement and optimization.
Description
Technical field
The present invention relates to GSM, more particularly to a kind of whether suitable method of determination terminal state transition and dress
Put.
Background technology
With being on the increase for telecommunications mobile operator contracted users number and subscriber traffic, its mobile network's infrastructure
Input and scale also constantly expand, wireless coverage range and thickness are all strengthening.By taking most of Europe mobile operator as an example,
They successively deploy 3 kinds of mobile networks based on different RAT (Radio Access Technology wireless access technologys)
System, it is respectively：GSM (evolved is GERAN), UMTS (evolved is HSPA+) and LTE (evolved is LTE+).These movements
Network system is made up of three parts substantially：Terminal (user be used for and mobile network communication equipment, it is hand-holdable, it is vehicle-mounted or
It is fixed), wireless access network (directly passes through air interface and terminal carries out the network element device of radio communication, including radio-frequency antenna, base
Stand and radio network controller etc.) and wireless core network (connect wireless access network and backbone transport networks or other cable networks
Network element device).
Specifically with UMTS mobile network system wireless access UTRA (Universal Terrestrial Radio
Access) exemplified by part, as shown in figure 1, it is by terminal (UE), base station (NodeB) and radio network controller (RNC) and 3
Different physical interface composition between kind network element.3GPP(3rdGeneration Partnership, third generation partner program)
Communication protocol of the standard criterion between terminal UE and UMTS wireless access networks UTRAN, for example be used to control on air interface Uu
Signaling message content format and user plane on be used for transmit data packet format and frame structure of user data etc..
RNC is single UMTS wireless subsystems RNS central controller, is responsible for switch, the configuration of most of UMTS functions
And centralized Control, since 3GPP standard criterions version 5, typical critical function is as follows：High-speed downlink packet access (High
Speed Downlink Packet Access, abbreviation HSDPA), High Speed Uplink Packet access (High Speed
Uplink Packet Access, abbreviation HSUPA), 64QAM high order modulations, multiple-input and multiple-output (Multi-input Multi-
Output, abbreviation MIMO), dual carrier high-speed slender body theory (Dual Cell-High speed downlink packet
Access, abbreviation DC-HSDPA), two-band dual carrier high-speed slender body theory (Dual band-high speed
Downlink packet access, abbreviation DB-HSDPA), dual carrier high speed uplink packet access (Dual Cell-high
Speed uplink packet access, abbreviation DC-HSUPA), four carrier wave high-speed slender body theory (Four carrier-
High speed downlink packet access, abbreviation 4C-HSDPA), multithread multiple cell high-speed slender body theory
(Multi-Flow high speed downlink packet access, abbreviation MF-HSDPA) and FE_FACH are super, and enhancing is public
Connected state function etc. altogether.
Configuration information of the above-mentioned function required for NodeB is run is issued institute by RNC by Iub interface NBAP signaling messages
Linchpin single or multiple NodeB, while by UE configuration information by Uu interfaces RRC (Radio Resource Control,
Wireless heterogeneous networks) signaling message issues serviced UE.Under RRC connected states, each UE is in the RNC serviced for the UE
There are unique RRC state and mark in portion, sorts and is followed successively by from low to high according to RRC state communication active degree：Page state X_
PCH, commonly connected state Cell_FACH and proprietary state Cell_DCH；In each above-mentioned RRC state, UE may be at not again
With discontinuous reception DRX (Discontinuous Reception) mode of Cycle Length.
Serving RNC according to UE uplink and downlink communication data volumes size, statistical nature and QOS (Quality of Service,
Service quality) require, according to internal specific RRM (Radio Resource Management, RRM) realization side
Formula is managed to UE RRC particular states.Such as：When user communication data amount is big, RNC is that UE distribution is wireless proprietary
Resource (Dedicated resource), so as to which UE is migrated to Cell_DCH states；And when amount of user data reduction, or data
When burst Bursty statistical natures are presented, RNC only distributes wireless public resource (Common resource) for UE, so as to
UE is migrated to Cell_FACH states, and above-mentioned state transition generally has to the signaling message with Uu and Iub interface.
In some RRC connection particular state, UE can also be configured different DRX cycle length, to reach different journeys
Degree saving battery electric quantity effect (DRX cycle length is longer, and UE electricity is more saved, but due to the network signal break period
Elongated, to UE link robustness, travelling performance also has negative effect).Fig. 2 is RRC state migration transition diagram, wherein also having
More possible state transition connecting lines are not drawn.Except RRC state migrates in UMTS system, due to the UMTS clothes residing for UE
Business cell may also overlap LTE MPS process with the place of covering, therefore the RRM strategies in Serving RNC are also required to that what considers
When UE moved into LTE system from UMTS cross-systems.If UE have left certain RRC state in UMTS and enter LTE system
Connection status RRC_Connected, hereafter the change of cross-system essence will occur for UE physical layers and upper-layer protocol stack mode of operation
Change.
The related RRM strategies of traditional RRC state selection substantially according to UE amount of communication data size, statistical nature and
Upper-layer service applies what the sensitiveness of time delay was determined.With the expansion that mobile Internet is applied, and shuttle at a high speed, isomery is small
The appearance of situations such as area's environment, the various non real-time medium and small speed ratio data services in UE upper stratas and UE itself mobile environment feature
More rich and varied and random time-dependent will be become.Under this background, how RRM strategies are made most for UE RRC state
Suitable selection may become more complicated, it is necessary to consider more factors simultaneously.Because RRC connection status different UMTS
The grid resource consumption that (and sub- state corresponding to internal different DRX cycle length) is related to, Uu space interface signaling expenses, UE
Electric quantity consumption itself and user are different to non real-time medium and small speed ratio data service experience.If RRM can be based on single
The more specific background features of UE, judge so as to provide more suitably RRC state selection, for UMTS network service performance
Have great significance, such as optimization system wireless resource uses, and avoids meaningless Uu space interface signaling expenses, protects UE electricity,
Maintain customer service experience etc..
Some examples explanation is set forth below, if RRM strategies do not think over single UE more specific background features, and
Only according to traditional simple strategy, such as send data volume size in caching and select basis for estimation as RRC state, can bring
Many bad phenomenons.
Example 1：From mobile operator commercial interests, in network design, Radio Resource is limited and certain precondition
Under, its RRM strategies generally tendency allows the UMTS network of oneself to accommodate more UE.There is no specific QOS conditions for those
Constrain and they are generally placed on Cell_ by the mobile Internet data business characterized by non real-time medium and small speed, Serving RNC
Different DRX states under FACH states or Cell_FACH, to allow them to compete using the public biography in up-downgoing common pool
Defeated resource.
With public resource occur congestion, some UE mobile Internet data customer service experience will greatly under
Drop, for example to experience packet speed of download too slow, the up IM message forward delay intervals of communication in time are excessive, virtual network connection
VPN is unstable etc..Because the up-downgoing data traffic of UE business in itself is big not enough, it is possible that being difficult to trigger Serving RNC
The configuration of specific resource is carried out to it, then customer service experience continues bad and can not improved；Even if either UE or
RNC sides, which send data in caching and overstock, exceedes certain thresholding, and specific resource is carried out to it so as to successfully trigger Serving RNC
Configuration, and then smoothly enter Cell_DCH states；But after a while, because UE mobile Internet business data bursts are irregular
Feature, data traffic reduces suddenly, forces Serving RNC that UE is migrated back to Cell_FACH states again again.
May be to carry out meaningless signaling consumption to Netowrk tape if back and forth migration is excessively frequent for this RRC state.It is objective
On, if proprietary transfer resource surplus allows in Serving RNC, and it can interpolate that UE is constantly in some Cell_DCH DTX/
It is more suitable that DRX discontinuous transmittings receive sub- state, then network can both safeguard that customer service was experienced, and can also avoid above-mentioned
Meaningless signaling consumption caused by RRC state frequent migration.
Pay attention to：Compared to Cell_FACH states, cost now is that UE power consumptions are more and a certain amount of proprietary transmission of occupancy provides
Source.
Example 2：The characteristics of due to UE business itself, Serving RNC are configured with proprietary transfer resource and are in Cell_DCH for it
DTX/DRX discontinuous transmittings receive state.If UE is in high speed mobile status, and must have been passed through in certain time multiple
UMTS micro services cells, then Serving RNC needs order UE to do a large amount of pilot tones for monitoring same frequency and the alien frequencies neighbor cell in collection
The measurement of signal intensity or quality and report, prepared for the mobile continuity operation such as various switchings, activating set updating, this can
Some meaningless wireless private resources can be brought to expend and UE electricity expenses.
With various Cell_s of the UMTS network after the enhancing of Cell_FACH state transmittabilities, such as application version 7
FACH up-downgoings strengthen technology, and on the premise of common transmission resource light load, Serving RNC equally can be in Cell_FACH states
Almost equivalent business is provided for above-mentioned UE, but now UE only needs to take the part public resource of single UMTS serving cells,
Complete to move continuity by cell re-selection procedure, avoid wireless link synchronization process, such UE can save some systems
Radio Resource and self electric quantity.
Pay attention to：It is necessary that above-mentioned UE may randomly carry out voice (caller, being called) or Streaming Media (seeing Internet video) etc.
The business of proprietary transfer resource support is wanted, now if UE has just been moved to Cell_FACH states before Serving RNC, then also
Obtain and it is migrated back Cell_DCH states again, therefore the understanding of customer service behavioural habits and RRM are needed to optimize consideration
One factor.
Example 3：Certain UE is in Cell_FACH states, and its business needs continually to send uplink burst small data packets, but upper line number
RRC state switching can not be triggered according to average discharge.This UE in cell edge or across cell movement often in using Common
E-DCH resource (common E-DCH resource), because UE uses Common E-DCH resource to send upstream data bag,
There is stronger uplink interference to neighbor cell, so as to reduce up covering, and UE is taking Common E-DCH resource
Period can not complete cell reselection in time, easily cause UE packets to send failure, or even the off-grid that goes offline.If Common E-
DCH resource are in congestion, and UE is also possible to repeatedly be retracted by network using PRACH resources, so as to cause transmitting uplink data
Rate declines.
Therefore under the above situation, even if UE upstream data flow can not trigger Serving RNC and proprietary transmission money is carried out to it
The configuration in source, RRM, which is preferably also, can move to this UE Cell_DCH states, and such Serving RNC can preferably be completed up dry
Disturb the RRC connection mobile robustness that control eliminated and safeguarded UE.If be limited with the proprietary transfer resource of UMTS serving cells, clothes
Business RNC is also conceivable to redirect across frequency or UE cross-systems are moved into LTE serving cells.
Example 4：If UMTS serving cells with covering on have multiple LTE serving cells (usual LTE MPS process than
UMTS serving cells are small), therefrom high-speed data service efficiency of service is seen, LTE system than UMTS system advantageously, but from
Mobile robustness is seen in QoS of voice and system, and UMTS system is than LTE system advantageously.RNC can by based on
The cross-system cell reselection of priority, enhancing redirect, and the means such as cross-system switching move to UE in LTE system.And LTE systems
System can also be by redirecting, and the means such as cross-system switching migrate back UE in UMTS system.
Due to user's mobility, the reason such as service characteristics or Internet resources load, RRM needs consider more
Individual factor, more appropriate selection could be made between each RRC connection status of UMTS and LTE RRC connected states, otherwise not only
It can be that two systems bring unnecessary signaling consumption and radio resource consumption, can also produce in some inevitable business
It is disconnected, the adverse consequences such as customer service experience declines.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind to determine the whether suitable method and device of terminal state transition,
It can determine whether the state transition of terminal is suitable, foundation provided for adjustment RRC state control parameter.
In order to solve the above technical problems, a kind of determination whether suitable method of terminal state transition of the present invention, including：
When terminal is in first state, average data rate of the record terminal in first state；
After terminal moves to the second state by first state, average data rate of the terminal in the second state is recorded, according to
The change of average data rate of the terminal in first state, the change of average data rate of the terminal in the second state and terminal exist
The change of average data rate of the average data rate relative to terminal in first state during the second state, determines that the SOT state of termination is moved
Whether move suitable.
Further, terminal is recorded in the average data rate of first state and records average data of the terminal in the second state
Rate, including：
Periodically the data throughout of downlink or uplink is added up, calculates average data after each cycle
Rate, and preserve the average data rate after nearest two cycles being calculated.
Further, it is proprietary state (Cell_DCH) in the first state, the second state is commonly connected state (Cell_
When FACH) or paging state (X_PCH), determine whether terminal state transition is suitable, including：
Judge inequality R ate2 ＞ Rate1+offset and Rate4 ＞=Rate3 ＞ factor* (Rate1+Rate2)+
Whether one of offset sets up, if set up, it is determined that and it is improper that terminal from Cell_DCH moves to the second state, its
In, Rate2 is average data rate of the terminal after Cell_DCH last cycle, after Rate1 is the Rate2 previous cycle
Average data rate, Rate4 is average data rate of the terminal after the nearest a cycle of the second state, and Rate3 is Rate4's
Average data rate after the previous cycle, offset are the offset of configuration, and factor is the proportionality coefficient of configuration.
Further, it is Cell_DCH in the first state, the second state is Long Term Evolution discontinuous reception state (LTE
When DRX), determine whether terminal state transition is suitable, including：
Judge inequality R ate2 ＜ Rate1+offset and (Rate3+Rate4) ＜ factorDch- ＞ lte*(Rate1+
Rate2) whether one of+offset sets up, if set up, it is determined that terminal moves to LTE DRX not from Cell_DCH
Properly, wherein, Rate2 is average data rate of the terminal after Cell_DCH last cycle, before Rate1 is Rate2
Average data rate after one cycle, Rate4 are average data rate of the terminal after LTEDRX nearest a cycle, and Rate3 is
Average data rate after the Rate4 previous cycle, offset be configuration offset, factorDch- ＞ lteFor the ratio system of configuration
Number.
Further, it is Cell_FACH in the first state, when the second state is Cell_DCH or LTEDRX, it is determined that
Whether terminal state transition is suitable, including：
Judge inequality R ate4 ＜ Rate3+offset and (Rate1+Rate2) ＜ factor* (Rate3+Rate4)+
Whether one of offset sets up, if set up, it is determined that and it is improper that terminal from Cell_FACH moves to the second state,
Wherein, Rate4 is average data rate of the terminal after Cell_FACH last cycle, and Rate3 is Rate4 the last week
Average data rate after phase, Rate2 are average data rate of the terminal after the nearest a cycle of the second state, and Rate1 is
Average data rate after the Rate2 previous cycle, offset are the offset of configuration, and factor is the proportionality coefficient of configuration.
Further, in addition to：
When it is determined that terminal state transition is improper, start timer, in timing, if terminal occur again from
First state moves to the second state, then records terminal and move to the second state overload mark from first state.
Further, a kind of determination whether suitable device of terminal state transition, including：First data record unit,
Two data record units and judging unit, wherein：
First data record unit, for when terminal is in first state, record terminal to be in the flat of first state
Equal data transfer rate；
Second data record unit, for after terminal moves to the second state by first state, record terminal to exist
The average data rate of second state；
The judging unit, for the change of the average data rate according to terminal in first state, terminal is in the second shape
Average data rate of the change and terminal of average data rate during state in the second state is relative to terminal in first state
The change of average data rate, determine whether terminal state transition is suitable.
Further, first data record unit and the second data record unit, specifically for periodically under
Capable or up data throughout is added up, and calculates average data rate after each cycle, and preserve and be calculated most
Average data rate after nearly two cycles.
Further, the judging unit, specifically for being proprietary state (Cell_DCH) in the first state, the second shape
State be commonly connected state (Cell_FACH) or paging state (X_PCH) when, judge inequality R ate2 ＞ Rate1+offset and
Whether one of Rate4 ＞=Rate3 ＞ factor* (Rate1+Rate2)+offset sets up, if set up, it is determined that
It is improper that terminal from Cell_DCH moves to the second state, wherein, Rate2 is terminal after Cell_DCH last cycle
Average data rate, Rate1 be Rate2 the previous cycle after average data rate, Rate4 be terminal in the nearest of the second state
Average data rate after a cycle, Rate3 are the average data rate after the Rate4 previous cycle, and offset is the inclined of configuration
Shifting amount, factor are the proportionality coefficient of configuration.
Further, the judging unit, specifically for being Cell_DCH in the first state, the second state is long-term
During evolution discontinuous reception state (LTE DRX), inequality R ate2 ＜ Rate1+offset and (Rate3+Rate4) ＜ are judged
factorDch- ＞ lte* whether one of (Rate1+Rate2)+offset sets up, if set up, it is determined that terminal from
It is improper that Cell_DCH moves to LTE DRX, wherein, Rate2 is terminal being averaged after Cell_DCH last cycle
Data transfer rate, Rate1 are the average data rate after the Rate2 previous cycle, and Rate4 is a nearest week of the terminal in LTE DRX
Average data rate after phase, Rate3 are the average data rate after the Rate4 previous cycle, and offset is the offset of configuration,
factorDch- ＞ lteFor the proportionality coefficient of configuration.
Further, the judging unit, specifically for being Cell_FACH in the first state, the second state is
During Cell_DCH or LTE DRX, inequality R ate4 ＜ Rate3+offset and (Rate1+Rate2) ＜ factor* are judged
(Rate3+Rate4) whether one of+offset sets up, if set up, it is determined that terminal moves to the from Cell_FACH
Two-state is improper, wherein, Rate4 is average data rate of the terminal after Cell_FACH last cycle, and Rate3 is
Average data rate after the Rate4 previous cycle, Rate2 are average data of the terminal after the nearest a cycle of the second state
Rate, Rate1 are the average data rate after the Rate2 previous cycle, and offset is the offset of configuration, and factor is the ratio of configuration
Example coefficient.
In summary, the present invention determines whether terminal state transition is suitable according to the average data rate of terminal, so as to be tune
Whole RRC (son) state control parameter, more suitably RRC (son) states and the selection of different DRX cycle length is selected to provide for UE
Foundation, make network in Radio Resource whole utilization efficiency, meaningless signaling consumption, UE electric quantity protectives, customer service experience maintenance etc.
The performance of aspect obtains comprehensive improvement and optimization.
Brief description of the drawings
Fig. 1 is the Organization Chart of UMTS wireless access networks of the prior art；
Fig. 2 is the schematic diagram that RRC state is changed in UMTS of the prior art；
Fig. 3 is present invention determine that the flow chart of the whether suitable method of terminal state transition；
Fig. 4 is present invention determine that the schematic diagram of the whether suitable embodiment 1 of terminal state transition；
Fig. 5 is present invention determine that the schematic diagram of the whether suitable embodiment 2 of terminal state transition；
Fig. 6 is present invention determine that the schematic diagram of the whether suitable embodiment 3 of terminal state transition；
Fig. 7 is present invention determine that the Organization Chart of the whether suitable device of terminal state transition.
Embodiment
If can have a set of criterion in view of mobile network RRM strategies, for judge some UE RRC (son) states or
Whether the movement of person's cross-system is suitable, then RRM can will preferably be directed to this UE communication history feature, adjust RRC (son) shape
State control parameter, more suitably RRC (son) states and the selection of different DRX cycle length are selected for UE.
Present embodiments provide for one kind based on UE record events, the whether suitable method of terminal state transition, bag are judged
Include：
Step 301：If the reset condition that UE enters is Cell_DCH, initialize two Hes of local variable Rate 1 of UE
Rate 2 is reset；
Step 302：UE periodically will add up to descending or up data throughout, by a cycle
The average data rate being calculated after Cycle 1 is recorded in Rate 1, is calculated after second period Cycle 2
Average data rate is recorded in Rate 2；
If UE is still within Cell_DCH states, and completely experienced the 3rd cycle Cycle 3 and be calculated flat
Equal data transfer rate Rate x, then the value in the original Rate1 of UE discardings, the value of Rate 2 before is stored in Rate 1, by Rate
X value is stored in Rate 2.The like, as long as UE is in Cell_DCH states, always will in store two variate-value Rate
1 and Rate 2.
Step 303：Certain moment, UE RRC state move to Cell_FACH states, initialize two local variables of UE
Rate 3 and Rate 4 are reset；
Step 304：UE will continue to add up to descending or up data throughout with the identical cycle, by first
The average data rate being calculated after individual cycle Cycle 1 is recorded in Rate 3, will be counted after second period Cycle 2
Obtained average data rate is recorded in Rate 4；
Step 305：UE determines the ＞ of 2 ＞ Rate 1+offset and Rate 4 ＞=Rate of inequality R ate 3
Whether one of factordch- ＞ fach* (Rate 1+Rate 2)+offset sets up, if one of inequality
Set up, then it is assumed that UE from DCH- ＞ FACH state transition are improper, UE record first time DCH- ＞ FACH improper migration things
Part；
If above-mentioned inequality judges invalid, then it is assumed that the DCH- ＞ FACH state state transitions that UE has just undergone are to close
Suitable.
Step 306：UE opens a timer TDCH- ＞ FACHIf in TDCH- ＞ FACHBefore time-out, UE detects second
The improper migration event of secondary DCH- ＞ FACH states, then think there occurs the frequently improper migration event of DCH- ＞ FACH states,
UE record event signaling overheadDCH- ＞ FACH(DCH- ＞ FACH overloads mark).
After above-mentioned judgement, if UE is still within Cell_FACH states, and completely the 3rd cycle Cycle experienced
3 and statistics obtained average data rate Rate y, then UE abandons the value in original Rate3, and the value of Rate 4 before is stored in
In Rate 3, Rate y value is stored in Rate 4.The like, as long as UE is in Cell_FACH states, always it will preserve
Two variate-value Rate 3 and Rate 4.
Similarly, UE may move to X_PCH states from Cell_DCH states, now judge whether DCH- ＞ PCH states are suitable
Migration and frequently whether principle is same as above, only now factor in above-mentioned inequalityDch- ＞ fachBy factorDch- ＞ pchGeneration
Replace, and timer TDCH- ＞ FACHBy TDCH- ＞ PCHInstead of.UE record event signaling overheadDCH- ＞ PCH。
In addition, UE may move to LTE DRX states from Cell_DCH states, in the same fashion, before UE records migration
Rate 1 in Cell_DCH states, Rate2 and the Rate3, Rate4 in LTE DRX states after migration.Now UE needs to do as follows not
Equation judges：
Determine the ＜ Rate1+offset of Rate 2 and (Rate 3+Rate 4) ＜ factorDch- ＞ lte*(Rate1+Rate2)
Whether one of+offset sets up, if one of inequality is set up, then it is assumed that the DCH- ＞ LTE state shapes of UE experience
State migration is improper, and UE will record the first time DCH- ＞ LTE improper migration event of state, and open a timer TDCH- ＞ LTE.If in TDCH- ＞ LTEBefore time-out, UE detects second of improper migration event of DCH- ＞ LTE states, then recognizes
For UE, there occurs the frequently improper migration event of DCH- ＞ LTE states, UE record event signaling overheadDCH- ＞ LTE。
If above-mentioned inequality judges invalid, then it is assumed that the DCH- ＞ LTE state state transitions that UE has just undergone are to close
Suitable.
Based on above-mentioned steps 305, it is assumed that UE is now in Cell_FACH states, and periodically to descending or
Up data throughout is added up, and continuous renewal has obtained Rate 3 and Rate 4.Certain moment, UE RRC state migration
To Cell_DCH states, initialize and reset UE two local variable Rate 1 and Rate 2.UE will be continued pair with the identical cycle
Descending or up data throughout is added up, the average data rate that will be calculated after a cycle Cycle 1
It is recorded in Rate 1, the average data rate being calculated after second period Cycle 2 is recorded in Rate 2.Now UE
Need to do lower inequality judgement such as：
Determine the ＜ Rate 3+offset of Rate 4 and (Rate 1+Rate 2) ＜ factorFach- ＞ dch*(Rate 3+
Rate4) whether one of+offset sets up, if one of inequality is set up, it is believed that the FACH- ＞ DCH of UE experience
State state transition is inappropriate, and UE will record the first time FACH- ＞ DCH improper migration event of state, and opens a meter
When device TFACH- ＞ DCH.If in TFACH- ＞ DCHBefore time-out, UE detects second of improper migration thing of FACH- ＞ DCH states
Part, then thinking UE, there occurs the frequently improper migration event of FACH- ＞ DCH states, UE record events signaling
Overhead FACH- ＞ DCH.
If above-mentioned inequality judges invalid, then it is assumed that the FACH- ＞ DCH state state transitions of UE experience are suitable
's.
Similarly, UE may move to LTE DRX states from Cell_FACH states, now judge FACH- ＞ LTE states whether be
Suitable migration and frequently whether principle is same as above, only now factor in above-mentioned inequalityFach- ＞ dchBy
factorFach- ＞ lteInstead of, and timer TFACH- ＞ DCHBy TFACH- ＞ LTEInstead of.UE record event signaling overheadFACH- ＞ LTE。
Embodiment 1：
As shown in Figure 4, Serving RNC sends the parameter judged in inequality by system broadcast message：
factorDch- ＞ fach=0.3, offset=1kbps, TDCH- ＞ FACH=60s.
UE A are first in Cell_DCH states, and rate 1=30kbps, rate 2 are recorded before FACH states are moved to
=25kbps；
UE A recorded rate 3=18kbps, rate 4=24kbps after moving to FACH states；
UE A determine the ＞ factor of 2 ＞ Rate 1+offset and Rate 4 ＞=Rate of inequality R ate 3Dch- ＞ fach*
Whether an establishment is had in (Rate 1+Rate 2)+offset, due to the ＞ factor of 4 ＞ of Rate=Rate 3Dch- ＞ fach*
(Rate 1+Rate 2)+offset is set up, so UE A are detected and recorded the first time DCH- ＞ FACH improper migration thing of state
Part；
UE A open a timer TDCH- ＞ FACH=0s, reverse countdown is carried out, afterwards, when 20s, UE A are due to voice
Session, Cell_DCH states are migrated back to, if in TDCH- ＞ FACHBefore overtime 60s, UE A detect second of DCH- again
The improper migration event of ＞ FACH states, then UE A record event signaling overheadDCH- ＞ FACH。
Embodiment 2：
As shown in Figure 5：Serving RNC is by 3GPP protocol conventions, it is specified that judging the parameter in inequality：
factorDch- ＞ lte=0.9, offset=-5kbps, TDCH- ＞ LTE=120s.
UE B are first in Cell_DCH states, and recorded rate1=20kbps before LTE serving cells are moved to,
Rate 2=15kbps；
Rate 3=15kbps, rate 4=18kbps are recorded after moving to LTE serving cells；
UE B determine the ＜ Rate 1+offset of inequality R ate 2 and (Rate 3+Rate 4) ＜ factordch- ＞
Whether there is an establishment in lte* (Rate 1+Rate 2)+offset, because inequality is invalid, so UE B think this
Secondary DCH- ＞ LTE DRX states are suitable migration event.
Embodiment 3：
As shown in Figure 6：Serving RNC sends the parameter judged in inequality by descending proprietary message：
factorFach- ＞ dch=1.1, offset=-2kbps, TFACH- ＞ DCH=60s.
UE C are first in Cell_FACH states, and rate 3=20kbps, rate 4 are recorded before DCH states are moved to
=15kbps；
Rate 1=16kbps, rate 2=18kbps are recorded after moving to DCH states；
UE C determine the ＜ Rate 3+offset of inequality R ate 4 and (Rate 1+Rate 2) ＜ factorfach- ＞
Whether there is an establishment in dch* (Rate 3+Rate 4)+offset, because the ＜ Rate3+offset of Rate 4 are set up, so
UE C are detected and are recorded the first time FACH- ＞ DCH improper migration event of state；
Also, UE C open a timer TFACH- ＞ DCH=0s, carry out reverse countdown, afterwards, when 30s, UE C by
Reduced in business datum rate, Cell_FACH states have been migrated back to, if in TFACH- ＞ DCHBefore overtime 60s, UE C are detected again
Second improper migration event of FACH- ＞ DCH states, then UE C record event signaling overheadFACH- ＞ DCH。
As shown in fig. 7, present embodiment additionally provides a kind of determination whether suitable device of terminal state transition, including：
First data record unit, the second data record unit and judging unit, wherein：
First data record unit, for when terminal is in first state, recording average of the terminal in first state
According to rate；
Second data record unit, for after terminal moves to the second state by first state, record terminal to be second
The average data rate of state；
Judging unit, for the change of the average data rate according to terminal in first state, terminal is in the second state
Average data rate average data rate in the second state of change and terminal relative to terminal being averaged in first state
The change of data transfer rate, determine whether terminal state transition is suitable.
First data record unit and the second data record unit, specifically for periodically to the data of downlink or uplink
Handling capacity is added up, and calculates average data rate after each cycle, and after preserving nearest two cycles being calculated
Average data rate.
Judging unit, specifically for being proprietary state (Cell_DCH) in first state, the second state is commonly connected state
(Cell_FACH) when or paging state (X_PCH), inequality R ate2 ＞ Rate1+offset and Rate4 ＞=Rate3 ＞ are judged
Whether one of factor* (Rate1+Rate2)+offset sets up, if set up, it is determined that terminal is moved from Cell_DCH
It is improper to move on to the second state, wherein, Rate2 is average data rate of the terminal after Cell_DCH last cycle,
Rate1 is the average data rate after the Rate2 previous cycle, and Rate4 is terminal after the nearest a cycle of the second state
Average data rate, Rate3 are the average data rate after the Rate4 previous cycle, and offset is the offset of configuration, and factor is
The proportionality coefficient of configuration.
Judging unit, specifically for being Cell_DCH in first state, the second state is Long Term Evolution discontinuous reception state
When (LTE DRX), inequality R ate2 ＜ Rate1+offset and (Rate3+Rate4) ＜ factor are judgedDch- ＞ lte*(Rate1
+ Rate2) whether one of+offset sets up, if set up, it is determined that terminal moves to LTE DRX not from Cell_DCH
Properly, wherein, Rate2 is average data rate of the terminal after Cell_DCH last cycle, before Rate1 is Rate2
Average data rate after one cycle, Rate4 are average data rate of the terminal after LTE DRX nearest a cycle, and Rate3 is
Average data rate after the Rate4 previous cycle, offset be configuration offset, factorDch- ＞ lteFor the ratio system of configuration
Number.
Judging unit, specifically for being Cell_FACH in first state, when the second state is Cell_DCH or LTE DRX,
Judge its of inequality R ate4 ＜ Rate3+offset and (Rate1+Rate2) ＜ factor* (Rate3+Rate4)+offset
One of whether set up, if set up, it is determined that it is improper that terminal from Cell FACH moves to the second state, wherein, Rate4
For average data rate of the terminal after Cell_FACH last cycle, Rate3 is being averaged after the Rate4 previous cycle
Data transfer rate, Rate2 are average data rate of the terminal after the nearest a cycle of the second state, and Rate1 is Rate2 the last week
Average data rate after phase, offset are the offset of configuration, and factor is the proportionality coefficient of configuration.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually any combination.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (11)
1. one kind determines the whether suitable method of terminal state transition, it is characterised in that including：
When terminal is in first state, average data rate of the record terminal in first state；
After terminal moves to the second state by first state, average data rate of the terminal in the second state is recorded, according to terminal
The change of average data rate in first state, the change of average data rate of the terminal in the second state and terminal are second
The change of average data rate of the average data rate relative to terminal in first state during state, determines that terminal state transition is
It is no suitable.
2. the method as described in claim 1, it is characterised in that record terminal is whole in the average data rate and record of first state
The average data rate in the second state is held, including：
Periodically the data throughout of downlink or uplink is added up, calculates average data rate after each cycle, and
Preserve the average data rate after nearest two cycles being calculated.
3. method as claimed in claim 2, it is characterised in that：It is proprietary state Cell_DCH in the first state, the second shape
When state is commonly connected state Cell_FACH or pages state X_PCH, determine whether terminal state transition is suitable, including：
Judge inequality R ate2>Rate1+offset and Rate4>=Rate3>Factor* (Rate1+Rate2)+offset's
Whether one of them set up, if set up, it is determined that and it is improper that terminal from Cell_DCH moves to the second state, wherein, Rate2
After the previous cycle for corresponding to the cycle for average data rate of the terminal after Cell_DCH last cycle, Rate1 for Rate2
Average data rate, Rate4 is average data rate of the terminal after the nearest a cycle of the second state, and Rate3 is Rate4 pairs
The average data rate after the previous cycle in cycle is answered, offset is the offset of configuration, and factor is the proportionality coefficient of configuration.
4. method as claimed in claim 2, it is characterised in that：It is Cell_DCH in the first state, the second state is length
During phase evolution discontinuous reception state LTE DRX, determine whether terminal state transition is suitable, including：
Judge inequality R ate2<Rate1+offset and (Rate3+Rate4)<factordch->lte*(Rate1+Rate2)+
Whether one of offset sets up, if set up, it is determined that and it is improper that terminal from Cell_DCH moves to LTE DRX, its
In, Rate2 is average data rate of the terminal after Cell_DCH last cycle, and Rate1 is before Rate2 corresponds to the cycle
Average data rate after one cycle, Rate4 are average data rate of the terminal after LTE DRX nearest a cycle, and Rate3 is
Average data rate after the previous cycle that Rate4 corresponds to the cycle, offset be configuration offset, factordch->lteFor configuration
Proportionality coefficient.
5. method as claimed in claim 2, it is characterised in that：It is Cell_FACH in the first state, the second state is
During Cell_DCH or LTE DRX, determine whether terminal state transition is suitable, including：
Judge inequality R ate4<Rate3+offset and (Rate1+Rate2)<Factor* (Rate3+Rate4)+offset's
Whether one of them set up, if set up, it is determined that and it is improper that terminal from Cell_FACH moves to the second state, wherein,
Rate4 is average data rate of the terminal after Cell_FACH last cycle, and Rate3 is that Rate4 corresponds to the previous of cycle
Average data rate after cycle, Rate2 are average data rate of the terminal after the nearest a cycle of the second state, and Rate1 is
Average data rate after the previous cycle that Rate2 corresponds to the cycle, offset are the offset of configuration, and factor is the ratio of configuration
Coefficient.
6. the method as described in claim 1, it is characterised in that also include：
When it is determined that terminal state transition is improper, start timer, in timing, if terminal occurs from first again
State transition then records terminal and moves to the second state overload mark from first state to the second state.
7. one kind determines the whether suitable device of terminal state transition, including：First data record unit, the second data records list
Member and judging unit, wherein：
First data record unit, for when terminal is in first state, recording average of the terminal in first state
According to rate；
Second data record unit, for after terminal moves to the second state by first state, record terminal to be second
The average data rate of state；
The judging unit, for the change of the average data rate according to terminal in first state, terminal is in the second state
Average data rate average data rate in the second state of change and terminal relative to terminal being averaged in first state
The change of data transfer rate, determine whether terminal state transition is suitable.
8. device as claimed in claim 7, it is characterised in that：
First data record unit and the second data record unit, specifically for periodically to the data of downlink or uplink
Handling capacity is added up, and calculates average data rate after each cycle, and after preserving nearest two cycles being calculated
Average data rate.
9. device as claimed in claim 8, it is characterised in that：
The judging unit, specifically for being proprietary state Cell_DCH in the first state, the second state is commonly connected state
During Cell_FACH or paging state X_PCH, inequality R ate2 is judged>Rate1+offset and Rate4>=Rate3>factor*
(Rate1+Rate2) whether one of+offset sets up, if set up, it is determined that terminal moves to the from Cell_DCH
Two-state is improper, wherein, Rate2 is average data rate of the terminal after Cell_DCH last cycle, and Rate1 is
Average data rate after the previous cycle that Rate2 corresponds to the cycle, Rate4 are terminal after the nearest a cycle of the second state
Average data rate, Rate3 are the average data rate after the previous cycle that Rate4 corresponds to the cycle, and offset is the offset of configuration,
Factor is the proportionality coefficient of configuration.
10. device as claimed in claim 8, it is characterised in that：
The judging unit, specifically for being Cell_DCH in the first state, the second state connects for Long Term Evolution is discontinuous
When receiving state LTE DRX, inequality R ate2 is judged<Rate1+offset and (Rate3+Rate4)<factordch->lte*(Rate1+
Rate2) whether one of+offset sets up, if set up, it is determined that terminal moves to LTE DRX not from Cell_DCH
Properly, wherein, Rate2 is average data rate of the terminal after Cell_DCH last cycle, and Rate1 is corresponding for Rate2
Average data rate after the previous cycle in cycle, Rate4 are average data of the terminal after LTE DRX nearest a cycle
Rate, Rate3 are the average data rate after the previous cycle that Rate4 corresponds to the cycle, and offset is the offset of configuration,
factordch->lteFor the proportionality coefficient of configuration.
11. device as claimed in claim 8, it is characterised in that：
The judging unit, specifically for being Cell_FACH in the first state, the second state is Cell_DCH or LTE
During DRX, inequality R ate4 is judged<Rate3+offset and (Rate1+Rate2)<factor*(Rate3+Rate4)+offset
One of whether set up, if set up, it is determined that it is improper that terminal from Cell_FACH moves to the second state, wherein,
Rate4 is average data rate of the terminal after Cell_FACH last cycle, and Rate3 is that Rate4 corresponds to the previous of cycle
Average data rate after cycle, Rate2 are average data rate of the terminal after the nearest a cycle of the second state, and Rate1 is
Average data rate after the previous cycle that Rate2 corresponds to the cycle, offset are the offset of configuration, and factor is the ratio of configuration
Coefficient.
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| CN105323814B (en) | 2014-07-23 | 2019-04-23 | 中兴通讯股份有限公司 | The optimized treatment method and device of terminal traffic migration |
| CN106034334B (en) * | 2015-03-17 | 2021-01-26 | 中兴通讯股份有限公司 | MF-HSDPA setting method and device |
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