CN106211234A - The dispatching method of LTE system private network and LTE system dynamic resource scheduling device - Google Patents

The dispatching method of LTE system private network and LTE system dynamic resource scheduling device Download PDF

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Publication number
CN106211234A
CN106211234A CN201610548089.4A CN201610548089A CN106211234A CN 106211234 A CN106211234 A CN 106211234A CN 201610548089 A CN201610548089 A CN 201610548089A CN 106211234 A CN106211234 A CN 106211234A
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China
Prior art keywords
private network
lte system
high priority
priority terminal
module
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CN201610548089.4A
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CN106211234B (en
Inventor
陈勇
欧清海
何清素
李温静
王海军
曾令康
甄岩
廖逍
王俊生
贺金红
崔九鑫
于忠迎
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BEIJING HUITONG JINCAI INFORMATION TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
State Grid Jiangsu Electric Power Co Ltd
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BEIJING HUITONG JINCAI INFORMATION TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
State Grid Jiangsu Electric Power Co Ltd
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Priority to CN201610548089.4A priority Critical patent/CN106211234B/en
Publication of CN106211234A publication Critical patent/CN106211234A/en
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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
    • H04W28/0247—Traffic management, e.g. flow control or congestion control based on conditions of the access network or the infrastructure network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses the dispatching method of a kind of LTE system private network and the dynamic resource scheduling device of LTE system.The dispatching method of LTE system private network includes judging that LTE system private network signalling channel is the most congested；When judged result is for being, force to switch low private network medium priority terminal to public network；When judged result is no, first schedules high priority terminal traffic, then schedules low priority terminal traffic.LTE system dynamic resource scheduling device, including judge module, network handover module, scheduler module.The dispatching method of LTE system private network of present invention offer and the dynamic resource scheduling device of LTE system, while solving LTE system private network channel congestion problem, have ensured that the channel of high priority terminal is unobstructed.

Description

The dispatching method of LTE system private network and LTE system dynamic resource scheduling device
Technical field
The present invention relates to mobile communication technology field, particularly relate to dispatching method and the LTE system of a kind of LTE system private network Dynamic resource scheduling device.
Background technology
LTE (Long Term Evolution, 3GPP Long Term Evolution) network articles is the maximum that 3GPP starts in recent years New technique development project, has higher bandwidth, bigger capacity, higher message transmission rate, lower transmission delay, more The advantages such as low operation cost.
Wireless resource scheduling is real by dynamic resource scheduling device in eNodeB (Evolved Node B, evolved Node B) Existing, dynamic resource scheduling device is DSCH Downlink Shared Channel (DL-SCH) and Uplink Shared Channel (UL-SCH) distribution physical layer resources.
At present, in LTE network terminal use priority scheduling algorithm mainly have three kinds:
Polling algorithm, basic thought is that the priority of all users is the most identical, and each user is periodically scheduled, it is ensured that Each user probability that is scheduled is identical；
Maximum throughput quantity algorithm, is a kind of pursuit maximized dispatching algorithm of systematic function, at each scheduling instance, adjusts Degree device can to needed dispatch user carry out instantaneous transmission speed sequence, then scheduler can select the user that channel quality is best It is scheduling；
Proportional fair algorithm, is the dispatching algorithm of a kind of fair relatively, makes the user of low rate obtain higher priority, While meeting the high-speed data service demand of the preferable terminal of channel quality, also giving consideration to channel quality condition is bad as far as possible The experience of terminal.
Proportional fair algorithm priority computing formula:
k = argmax j = 0... k { r j ( t ) R j ( t ) } - - - ( 1 )
R j (t) is the momentary rate of current time user j, the channel condition information of user j determine；Rj (t) is user J Mean Speed in time window Tc.
The more new formula of the average transmission rate of user j is:
R j ( t + 1 ) = ( 1 - 1 T c ) R j ( t ) + r j ( t ) T c - - - ( 2 )
The size of Tc express time sliding window, the size of time window reflects user and stands can not get data-set meeting Ability, bigger Tc represents that user can wait the longer time until its channel quality improves, and this is conducive to gulping down of lifting system The amount of telling, it is likely that bring additional delay.
When adoption rate fair algorithm, along with increasing of the obtained transmission opportunity of the user that signalling channel condition is good, averagely The raising of transfer rate, understands its priority according to formula (1), (2) and reduces, and this allows for, and original channel condition is bad, priority Low user obtains transmission opportunity, thus ensure that the fairness between user.Proportional fair algorithm make use of changeable letter simultaneously Road situation, has reached to maintain the effect of high throughput.
However, it is found by the inventors that, owing to the higher frequency resource being used between terminal and base station transmitting is the deficientest, and use Family amount is huge, has the possibility producing network congestion.Directly using general dispatching algorithm, the business only taking into account public network is special Property, not in view of the particularity of private network business.Such as in power private network, the priority of some terminal to be far longer than it The priority of his terminal, and the power controlling signal of same level priority wants unconditional higher than data signal, according to biography System dispatching method, puts on an equal footing some important terminal with other-end, can produce important terminal at transmission of control signals or number According to time channel congestion, the situations such as important information transmission is sluggish.
Summary of the invention
In view of this, it is an object of the invention to propose the dispatching method of a kind of LTE system private network and LTE system dynamically provides Source scheduler, while solving LTE system private network channel network congestion problems, it is ensured that high priority terminal is special in LTE system In net, signalling channel is unimpeded.
Dispatching method based on the LTE system private network that the above-mentioned purpose present invention provides, the method includes:
Judge that in LTE system private network, signalling channel is the most congested；
If signalling channel is in congestion state in described private network, then force to switch low priority terminal in this private network the most public Many networks；
If signalling channel is not in congestion state in described private network, then priority scheduling high priority terminal traffic, then adjust Degree low priority terminal traffic.
According to the dispatching method of described LTE system private network, described priority scheduling high priority terminal traffic, then dispatch low The step of priority endpoint business farther includes: terminal traffic other for equal priority, and priority scheduling controls business, then Scheduling data traffic.
According to the dispatching method of described LTE system private network, if signalling channel is in congested shape in described private network State, then farther include: when receiving new terminal traffic and adding private network request, it is judged that the priority of this terminal, if height Priority endpoint then allows to add, and otherwise refuses.
According to the dispatching method of described LTE system private network, described terminal PRI passing ratio fair scheduling algorithm is true Fixed；And/or the use requirements set according to terminal；
If signalling channel is not in congestion state in described private network, then farther include: judge LTE system private network Whether meeting high priority terminal data business decision threshold, if meeting, schedules low priority terminal control business, then dispatching low Priority endpoint data service；If being unsatisfactory for, continue schedules high priority terminal data business.
According to the dispatching method of described LTE system private network, described high priority terminal data business decision threshold, enter one Step includes:
Contrast private network remaining bandwidth and setting value, as described high priority terminal data business decision threshold, remove described After the private network channel width that high priority terminal control business takies, LTE system private network channel width surplus value exceed described in set During definite value, described high priority terminal data business decision threshold result is yes, the most described high priority terminal data business Court verdict is no；
Or, contrast private network remaining bandwidth and described high priority terminal data service needed occupied bandwidth are as described Gao You First level terminal data business decision threshold, after removing the network channel bandwidth that described high priority terminal control business takies, LTE When system private network channel width surplus value exceedes described high priority terminal data service needed occupied bandwidth, high priority terminal Data service decision threshold result is yes, and otherwise court verdict is no.
According to the dispatching method of described LTE system private network, described judge whether LTE system private network meets high priority eventually Whether end data business decision threshold court verdict, then farther include: judges whether unscheduled low priority terminal duration surpasses Cross time span T1；LTE system private network is unsatisfactory for high priority terminal data business decision threshold, and Gao You described in repetitive schedule When the first level terminal data business hours exceedes described time span T1, force to dispatch each described low priority terminal traffic one Secondary.
On the other hand, a kind of LTE system dynamic resource scheduling device provided based on the above-mentioned purpose present invention includes:
Judge module, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts network Handover module, it is judged that when result is no, starts scheduler module；Described judge module is additionally operable to judge the priority of terminal use；
Described network handover module is for switching to public network by low priority terminal traffic in private network；
Described scheduler module is used for dispatch terminal business, priority scheduling high priority terminal traffic, then schedules low priority Terminal traffic.
According to described LTE system dynamic resource scheduling device, it is low that described network handover module also includes refusing being newly added Priority endpoint line module, is in congestion state for private network signalling channel, and when having new terminal user to add private network, receives High priority terminal, refuses low priority terminal.
According to described LTE system dynamic resource scheduling device, described scheduler module includes the first scheduler module, the second scheduling Module, control module, the 3rd scheduler module, the 4th scheduler module；
Wherein, described first scheduler module is used for schedules high priority terminal control business；
Described second scheduler module is used for schedules high priority terminal data business；
Described control module is used for controlling whether to start described 3rd scheduler module；
Described 3rd scheduler module is used for schedules low priority terminal control business；
Described 4th scheduler module is used for schedules low priority terminal data business.
According to described LTE system dynamic resource scheduling device, described control module includes high priority terminal data business Decision threshold module, described judge module judges when in described private network, signalling channel is not in congestion state, described high priority Terminal data business decision threshold module is used for judging whether LTE system private network meets high priority terminal data business decision gate Limit, if meeting, opens described 3rd scheduler module；If being unsatisfactory for, reopen described second scheduler module.
According to described LTE system dynamic resource scheduling device, described control module also includes low priority terminal never call Duration judge module, described high priority terminal data business decision threshold module judges whether LTE system private network meets Gao You Whether first level terminal data business decision threshold court verdict, and described low priority terminal never call duration judge module is used for sentencing Disconnected unscheduled low priority terminal duration whether overtime length T1；If overtime length T1, then described in enforced opening Three scheduler modules are once.
From the above it can be seen that the dispatching method of the LTE private network of present invention offer and LTE system dynamic resource scheduling Device, when network channel blocks up, by public network of low priority terminal in private network being cleared up and discharged to, and no longer receives new low excellent First level terminal adds private network, solves LTE system private network channel congestion problem；When network channel is unobstructed, by terminal PRI Height, as the primary factor of dispatching sequence, priority scheduling high priority terminal traffic, has ensured the signal of high priority terminal Channels open；It is simultaneously introduced time span T1 and configurable ratio, it is to avoid low priority terminal traffic is not scheduled Problem.
Accompanying drawing explanation
Embodiment of the disclosure to be illustrated more clearly that, in describing embodiment below, the required accompanying drawing used is made Introduce simply, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the disclosure, common for this area From the point of view of technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the dispatching method schematic diagram of embodiment of the present invention LTE system private network；
Fig. 2 be schedules high priority terminal traffic simpler in the dispatching method of embodiment of the present invention LTE system private network and Low priority terminal traffic detailed maps；
Fig. 3 be embodiment of the present invention LTE system private network dispatching method in preferably schedules high priority terminal traffic and Low priority terminal traffic detailed maps；
Fig. 4 is embodiment of the present invention LTE system dynamic resource scheduling device schematic diagram；
Fig. 5 is scheduler module schematic diagram in embodiment of the present invention LTE system dynamic resource scheduling device；
Fig. 6 is scheduler module detailed maps in embodiment of the present invention LTE system dynamic resource scheduling device.
By above-mentioned accompanying drawing, it has been shown that the embodiment that the disclosure is clear and definite, hereinafter will be described in more detail.These accompanying drawings With word, the scope being not intended to be limited disclosure design by any mode is described, but by with reference to specific embodiment being Those skilled in the art illustrate the concept of the disclosure.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Accompanying drawing, the present invention is described in more detail.
It should be noted that the statement of all uses " first " and " second " is for distinguishing two in the embodiment of the present invention The entity of individual same names non-equal or the parameter of non-equal, it is seen that " first " " second ", only for the convenience of statement, should not Being interpreted as the restriction to the embodiment of the present invention, this is illustrated by subsequent embodiment the most one by one.Fig. 1 is embodiment of the present invention LTE system The dispatching method schematic diagram of system private network.
As it is shown in figure 1, the dispatching method of the LTE system private network of the embodiment of the present invention is in step 101, it is judged that LTE system is special Net signalling channel is the most congested, the (YES) when judged result is congested, enters step 102, when judged result is the most congested (no), enters step 103；
Step 101, it is judged that LTE system private network signalling channel is the most congested；
Specifically, can judge, according to any one, the method that network signal path is congested or unimpeded, such as, be led to by signal Road feedback remaining bandwidth determines that private network signalling channel is the most congested, but is not limited only to this；
Step 102, low priority terminal forces switching flow；
Specifically, low priority terminal is switched to public network, reduce LTE system private network load；
Further, when switching low priority terminal is to public network, first switching lowest priority terminal, then switching time is low Priority endpoint, until private network channel open；
Step 1021, the low priority terminal use that refusal is newly added；Congested at LTE system private network, and receive new end When end adds private network request, it is judged that the priority of this terminal, then allow if high priority terminal to add, otherwise refuse；
Step 103, schedules high priority terminal traffic；
Step 104, schedules low priority terminal traffic.
As an embodiment, above-mentioned prioritization can be based on proportional fair scheduling, as a example by user j, and user Priority computing formula:
k = arg m a x j = 0 ... k { r j ( t ) R j ( t ) }
The more new formula of the average transmission rate of user j is:
R j ( t + 1 ) = ( 1 - 1 T c ) R j ( t ) + r j ( t ) T c
The size of Tc express time sliding window, rjT () is the momentary rate of current time user j, by the channel status of user j Information determines；RjT () is user j Mean Speed in time window Tc.
On this basis, the LTE system of embodiment of the present invention offer is special dispatching method and LTE system dynamic resource are adjusted Degree device considers the importance of terminal itself, sets the priority of a part of terminal, makes this part terminal have high priority.
Fig. 2 be schedules high priority terminal traffic simpler in the dispatching method of embodiment of the present invention LTE system private network and Low priority terminal traffic detailed maps；
As in figure 2 it is shown, step 201, schedules high priority terminal control business；The priority endpoint business of same level, control Business processed is unconditional has precedence over data service, first schedules high priority terminal control business, makes high priority terminal control industry Business signal is protected in LTE system private network signalling channel；
Step 202, schedules high priority terminal data business；
Step 203, it is judged that whether LTE system private network meets high priority terminal data business decision threshold, it is judged that result (YES) when meeting, enters step 204, it is judged that when result is unsatisfactory for (no), returns step 202；
Specifically, can be sentenced as high priority terminal data business with setting value size by contrast private network remaining bandwidth Certainly thresholding；High priority terminal data business configuration ratio is set, this allocation ratio is multiplied by high priority terminal data business Need the value of the bandwidth gained taken as setting value, remove the network channel bandwidth that high priority terminal control business takies After, when LTE system private network channel width surplus value exceedes this setting value, high priority terminal data business decision threshold result is It is that otherwise court verdict is no；
Wherein high priority terminal data business configuration ratio sets according to user's request；
Furthermore it is also possible to big by contrast private network remaining bandwidth and high priority terminal data service needed occupied bandwidth Little as high priority terminal data business decision threshold；Remove the network channel bandwidth that high priority terminal control business takies After, when LTE system private network channel width surplus value exceedes high priority terminal data service needed occupied bandwidth, high priority is eventually End data business decision threshold result is yes, and otherwise court verdict is no；
Step 204, schedules low priority terminal control business；
Step 205, schedules low priority terminal data business；
Fig. 3 be embodiment of the present invention LTE system private network dispatching method in preferably schedules high priority terminal traffic and Low priority terminal traffic detailed maps；
As it is shown on figure 3, step 301, schedules high priority terminal control business；The other terminal traffic of same priority, controls The unconditional data signal that has precedence over of signal, first schedules high priority terminal control business, make high priority terminal control business Signal is protected in LTE system private network signalling channel；
Step 302, schedules high priority terminal data business；
Step 303, it is judged that whether LTE system private network meets high priority terminal data business decision threshold, it is judged that result (YES) when meeting, enters step 304, it is judged that when result is unsatisfactory for (no), enters step 306；
Specifically, can be by the size of contrast private network remaining bandwidth and setting value as high priority terminal data business Decision threshold；Pre-set high priority terminal data business configuration ratio, this allocation ratio is multiplied by high priority number of terminals According to the value of service needed bandwidth gained as setting value, remove the network channel bandwidth that high priority terminal control business takies After, when LTE system private network channel width surplus value exceedes this setting value, high priority terminal data business decision threshold result is It is that otherwise court verdict is no；
Wherein high priority terminal data business configuration ratio sets according to user's request；
Furthermore it is also possible to big by contrast private network remaining bandwidth and high priority terminal data service needed occupied bandwidth Little as high priority terminal data business decision threshold；Remove the network channel bandwidth that high priority terminal control business takies After, when LTE system private network channel width surplus value exceedes high priority terminal data service needed occupied bandwidth, high priority is eventually End data business decision threshold result is yes, and otherwise court verdict is no；
Step 304, schedules low priority terminal control business；
Step 305, schedules low priority terminal data business；
Step 306, it is judged that whether unscheduled low priority terminal duration exceedes time span T1 pre-set, it is judged that knot When fruit is for being, enter step 307, it is judged that when result is no, enter step 304；
Specifically, time span T1 is set, when step 303 judged result is no always, and judges never call low priority During terminal duration overtime length T1, enter step 307, force to dispatch each low priority terminal once, for low priority Terminal provides minimum guarantee；Otherwise return step 304；
Wherein, time span T1 can be arranged according to user's request；
Step 307, dispatches each low priority terminal traffic.
It should be noted that above-described embodiment is intended merely to state an exemplary enforcement of the mentality of designing of the present invention Example, and the thinking of the present invention is not limited to the quantity of step and the order stated in above-described embodiment.Namely it is directed to some Step can be omitted, or the order between the step having can also change as required, or can also be by above-mentioned two Step in individual embodiment is combined using, and forms new embodiment.
In an optional embodiment of the present invention, the dispatching method of described LTE system private network can include step 101, Step 102, step 103, step 104.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel channels open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal traffic, then dispatch low Priority endpoint business.
In the present invention one alternative embodiment further, the dispatching method of described LTE system private network can include step Rapid 101, step 102, step 103, step 104, step 201, step 202, step 204, step 205.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel channels open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal control business, then adjust Degree high priority terminal data business, below schedules low priority terminal control business, last schedules low priority terminal data Business.
In the present invention one specifically optional embodiment, the dispatching method of described LTE system private network can include step Rapid 101, step 102, step 1021, step 103, step 104.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel open；
If signalling channel is in congestion state in private network, when receiving new terminal traffic and adding private network request, it is judged that The priority of this terminal, then allows if high priority terminal to add, otherwise refuses；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal traffic, then dispatch low Priority endpoint business.
In one preferred embodiment of the present invention, the dispatching method of described LTE system private network can include step 101, Step 102, step 103, step 104, step 201, step 202, step 203, step 204, step 205.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal control business, then adjust Degree high priority terminal data business；
Judge whether LTE system private network meets high priority terminal data business decision threshold, if meet, dispatch low preferentially Level terminal control business, then schedules low priority terminal data business；If being unsatisfactory for, continue schedules high priority terminal data industry Business.
In one concrete preferred embodiment of the present invention, the dispatching method of described LTE system private network can include step 101, step 102, step 103, step 104, step 201, step 202, step 203, step 204, step 205.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal control business, then adjust Degree high priority terminal data business；
Judge whether LTE system private network meets high priority terminal data business decision threshold, specifically perform method:
Contrast private network remaining bandwidth (pre-sets the high priority terminal data business configuration ratio that arranges with setting value, incites somebody to action This allocation ratio is multiplied by the value of the bandwidth gained that high priority terminal data service needed takies) size, remove described height preferential After the private network channel width that level terminal control business takies, when LTE system private network channel width surplus value exceedes described setting value, Described high priority terminal data business decision threshold result is yes, the most described high priority terminal data business court verdict It is no；
If meeting high priority terminal data business decision threshold, schedules low priority terminal control business, then dispatch low Priority endpoint data service；If being unsatisfactory for high priority terminal data business decision threshold, continue schedules high priority terminal Data service.
In another concrete preferred embodiment of the present invention, the dispatching method of described LTE system private network can include step Rapid 101, step 102, step 103, step 104, step 201, step 202, step 203, step 204, step 205.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal control business, then adjust Degree high priority terminal data business；
Judge whether LTE system private network meets high priority terminal data business decision threshold, specifically perform method:
Contrast private network remaining bandwidth and the size of high priority terminal data service needed occupied bandwidth, remove described Gao You After the network channel bandwidth that first level terminal control business takies, LTE system private network channel width surplus value exceedes high priority eventually During end data service needed occupied bandwidth, high priority terminal data business decision threshold result is yes, and otherwise court verdict is No；
If meeting high priority terminal data business decision threshold, schedules low priority terminal control business, then dispatch low Priority endpoint data service；If being unsatisfactory for high priority terminal data business decision threshold, continue schedules high priority terminal Data service.
In the present invention one preferably optional embodiment, the dispatching method of described LTE system private network can include step Rapid 101, step 102, step 103, step 104, step 201, step 202, step 303, step 204, step 205, step 306, step 307.Particularly as follows:
Judge that LTE system private network signalling channel is the most congested；
If signalling channel is in congestion state in private network, force to switch low priority terminal in this private network the most successively the most public Many networks, until private network channel open；
If signalling channel is not in congestion state in private network, then priority scheduling high priority terminal control business, then adjust Degree high priority terminal data business；
Judge whether LTE system private network meets high priority terminal data business decision threshold, if meet, dispatch low preferentially Level terminal control business, then schedules low priority terminal data business；If being unsatisfactory for, continue schedules high priority terminal data industry Business, judges whether unscheduled low priority terminal duration exceedes predetermined time period T1, if it is judged that be yes, the most simultaneously System dispatches each low priority terminal traffic once；If it is judged that be no, then continue schedules high priority terminal data industry Business.
If continuous dispatching high priority terminal data business duration overtime length T1, embodiment 1
Private network bandwidth altogether 1Mbps, user sets access service on demand and takies 95% private network bandwidth and above for congested altogether State.The service bearer that a certain moment is accessed has:
Terminal traffic 1, priority is 2, occupied bandwidth 250kbps, controls business；
Terminal traffic 2, priority is 2, occupied bandwidth 240kbps, controls business；
Terminal traffic 3, priority is 80, occupied bandwidth 360kbps, data service；
Terminal traffic 4, priority is 99, occupied bandwidth 270kbps, controls business；
Terminal traffic 5, priority is 99, occupied bandwidth 330kbps, controls business；
Terminal traffic 6, priority is 30, occupied bandwidth 210kbps, controls business；
Terminal traffic 7, priority is 20, occupied bandwidth 200kbps, controls business；
Terminal traffic 8, priority is 40, occupied bandwidth 200kbps, controls business；
Access service takies private network bandwidth and exceedes the 90% of total bandwidth, it is judged that LTE system private network signalling channel is in congested State；
Force to switch in this private network low priority terminal successively to public network until private network channel open；The present embodiment In, by terminal traffic, 1,2,6,7,8 switch to public network；
Now private network signalling channel is not in congestion state, then priority scheduling high priority is the terminal traffic 4 and 5 of 99, Schedules low priority is the terminal traffic 3 of 80 again.
Embodiment 2
Private network bandwidth 1Mbps altogether, arranging allocation ratio is 60%, and time span T1 is 1000ms, and user sets on demand Access terminal business needs to take 150% private network bandwidth and above for congestion state altogether.The service bearer that certain moment has been accessed has:
Terminal traffic 1, priority is 15, occupied bandwidth 150kbps, controls business；
Terminal traffic 2, priority is 30, occupied bandwidth 110kbps, controls business；
Terminal traffic 3, priority is 80, occupied bandwidth 120kbps, controls business；
Terminal traffic 4, priority is 80, occupied bandwidth 80kbps, controls business；
Terminal traffic 5, priority is 90, occupied bandwidth 150kbps, controls business；
Terminal traffic 6, priority is 90, occupied bandwidth 200kbps, data service；
Terminal traffic 7, priority is 90, occupied bandwidth 100kbps, controls business；
Terminal traffic 8, priority is 90, occupied bandwidth 200kbps, data service；
Terminal traffic 9, priority is 10, occupied bandwidth 200kbps, data service；
Terminal traffic 10, priority is 5, occupied bandwidth 50kbps, controls business；
Terminal traffic 11, priority is 5, occupied bandwidth 70kbps, controls business.
Judge that LTE system private network signalling channel is in not congestion state；
If signalling channel is not in congestion state in private network, then priority scheduling priority level is control business 5 He of 90 Control business 7, now residue of network organization bandwidth 774kbps；
Dispatching priority rank is data service 6 and the data service 8 of 90 again, and data service 6 and 8 needs occupied bandwidth altogether 400kbps, the allocation ratio according to arranging is 60%, therefore controls setting value 240kbps of data service 6 and 8 occupied bandwidth altogether, Residue of network organization bandwidth 774kbps is more than setting value 240kbps, therefore meets high priority terminal data business decision threshold, judgement Result is yes, now residue of network organization bandwidth 534kbps；
Call control business 3 and control business 4 that priority level is 80 below, control business 3 and control business 4 needs altogether Take network bandwidth 200kbps, now rest network bandwidth 334kbps；
Then dispatching priority is the control business 2 of 30, now residue of network organization bandwidth 224kbps；Dispatching priority below Being the control business 1 of 15, now the network bandwidth is 74kbps；
Dispatching priority is the data service 9 of 10 again, and data service 9 needs to take network bandwidth 200kbps, according to setting Allocation ratio be 60%, therefore control data service 9 taking the setting value of the network bandwidth altogether is 120kbps, it is clear that residue of network organization Bandwidth is less than this setting value, therefore the result of high priority terminal data business decision threshold is no, continues scheduled control data industry Business 9, when length exceedes preset duration 1000ms when deployed, scheduling business 10 and business 11 are each the most once.
In another aspect of this invention, the dynamic resource scheduling device of a kind of LTE system is additionally provided.
Fig. 4 is the dynamic resource scheduling device schematic diagram of embodiment of the present invention LTE system.
As shown in Figure 4, dynamic resource scheduling device includes judge module 41, network handover module 42, scheduler module 43, refusal The low priority terminal use's module 421 being newly added.
Judge module 41 is used for judging that LTE system private network signalling channel is the most congested, specifically, can sentence according to any one The method that circuit network signalling channel is congested or unimpeded, such as signalling channel feedback remaining bandwidth determine whether private network signalling channel gathers around Plug, but it is not limited only to this；
When judged result is for being, start network handover module 42, it is judged that when result is no, start scheduler module 43；
Judge module 41 is additionally operable to judge the priority of terminal use, and specifically, above-mentioned prioritization can base In proportional fair scheduling, as a example by user j, User Priority computing formula:
k = arg m a x j = 0 ... k { r j ( t ) R j ( t ) }
The more new formula of the average transmission rate of user j is:
R j ( t + 1 ) = ( 1 - 1 T c ) R j ( t ) + r j ( t ) T c
The size of Tc express time sliding window, rjT () is the momentary rate of current time user j, by the channel status of user j Information determines；RjT () is user j Mean Speed in time window Tc.
On this basis, the LTE system of embodiment of the present invention offer is special dispatching method and LTE system dynamic resource are adjusted Degree device considers the importance of terminal itself, sets the priority of a part of terminal, makes this part terminal have high priority.
Network handover module 42, for low priority terminal switches to public network, reduces LTE system private network load；
Further, when switching low priority terminal is to public network, first switching lowest priority terminal, then switching time is low Priority endpoint, until private network channel open；
Low priority terminal use's module 421 that refusal is newly added, for congested at LTE system private network, and receives new When terminal adds private network request, receive high priority terminal use, refuse low priority terminal use；
Fig. 5 be embodiment of the present invention LTE system dynamic resource scheduling device in scheduler module schematic diagram；
As it is shown in figure 5,
Scheduler module 43 includes the first scheduler module 51, the second scheduler module 52, control module 53, the 3rd scheduler module 54, the 4th scheduler module 55；
Wherein, the first scheduler module 51 is for schedules high priority terminal control business；
Second scheduler module 52 is for schedules high priority terminal data business；
First start the first scheduler module 51, be then turned on the second scheduler module 52；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel；
Control module 53 is used for controlling whether to start described 3rd scheduler module；
3rd scheduler module 54 is for schedules low priority terminal control business；
4th scheduler module 55 is for schedules low priority terminal data business；
First start the 3rd scheduler module 54, be then turned on the 4th scheduler module 55；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel.
Fig. 6 be embodiment of the present invention LTE system dynamic resource scheduling device in scheduler module detailed maps.
As shown in Figure 6, control module 53 also includes high priority terminal data business decision threshold module 531；Judge mould Block 41 judges when in private network, signalling channel is not in congestion state, and high priority terminal data business decision threshold module 531 is used In judging whether LTE system private network meets high priority terminal data business decision threshold, if meeting, open the 3rd scheduler module 54；If being unsatisfactory for, reopen the second scheduler module 52；
Specifically, business decision threshold can be by contrasting private network remaining bandwidth with setting value as high priority number of terminals According to business decision threshold；Pre-set high priority terminal data business configuration ratio, this allocation ratio is multiplied by high priority The value of terminal data service needed bandwidth gained, as setting value, removes the network channel that high priority terminal control business takies After bandwidth, when LTE system private network channel width surplus value exceedes this setting value, high priority terminal data business decision threshold is tied Fruit is yes, and otherwise court verdict is no；
Wherein high priority terminal data business configuration ratio sets according to user's request；
It addition, business decision threshold can also be by contrast private network remaining bandwidth and high priority terminal data service needed Occupied bandwidth is as high priority terminal data business decision threshold；Remove the network letter that high priority terminal control business takies After road bandwidth, when LTE system private network channel width surplus value exceedes high priority terminal data service needed occupied bandwidth, Gao You First level terminal data business decision threshold result is yes, and otherwise court verdict is no；
Preferably, control module 53 can also include low priority terminal never call duration judge module 532, high priority Terminal data business decision threshold module 531 judges whether LTE system private network meets high priority terminal data business decision gate Whether limit court verdict, when low priority terminal never call duration judge module 532 is used for judging unscheduled low priority terminal Long whether overtime length T1；If overtime length T1, then the 3rd scheduling 54 modules described in enforced opening are once；
Wherein, time span T1 sets according to user's request.
It should be noted that above-described embodiment is intended merely to state the exemplary embodiment of the mentality of designing of the present invention, And the thinking of the present invention is not limited to the quantity of module and the order stated in above-described embodiment.Namely it is directed to certain module Can omit, or the order between the module having can also change as required, or can also be real by above-mentioned two Execute the step in example to be combined using, form new embodiment.
In an optional embodiment of the present invention, described LTE system ground Resource Scheduler can include judge module 41, Network handover module 42, scheduler module 43.Particularly as follows:
Judge module 41, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts net Network handover module 42, it is judged that when result is no, starts scheduler module 43；Judge module 41 is additionally operable to judge that terminal use's is preferential Level；
Network handover module 42 is for switching to public network by low priority terminal traffic in private network；
Scheduler module 43 is for dispatch terminal business, priority scheduling high priority terminal traffic, then schedules low priority eventually End business.
In another optional embodiment of the present invention, described LTE system ground Resource Scheduler can include judge module 41, low priority terminal use's module 421 that network handover module 42, scheduler module 43, refusal are newly added.Particularly as follows:
Judge module 41, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts net Network handover module 42, it is judged that when result is no, starts scheduler module 43；Judge module 41 is additionally operable to judge that terminal use's is preferential Level；
Network handover module 42 is for switching to public network by low priority terminal traffic in private network；
Low priority terminal use's module 421 that refusal is newly added, is in congestion state for private network signalling channel, and has When new terminal user adds private network, receive high priority terminal, refuse low priority terminal；
Scheduler module 43 is for dispatch terminal business, priority scheduling high priority terminal traffic, then schedules low priority eventually End business.
In presently preferred embodiment, described LTE system ground Resource Scheduler can include judge module 41, network handover module the 42, first scheduler module the 51, second scheduler module 52, control module 53, the 3rd scheduler module 54, Four scheduler modules 55.Particularly as follows:
Judge module 41, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts net Network handover module 42, it is judged that when result is no, starts the first scheduler module 51；Judge module 41 is additionally operable to judge terminal use's Priority；
Network handover module 42 is for switching to public network by low priority terminal traffic in private network；
First scheduler module 51 is for schedules high priority terminal control business；
Second scheduler module 52 is for schedules high priority terminal data business；
First start the first scheduler module 51, be then turned on the second scheduler module 52；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel；
Control module 53 is used for controlling whether to start described 3rd scheduler module；
3rd scheduler module 54 is for schedules low priority terminal control business；
4th scheduler module 55 is for schedules low priority terminal data business；
First start the 3rd scheduler module 54, be then turned on the 4th scheduler module 55；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel.
In presently preferred ground embodiment, described LTE system ground Resource Scheduler can include judge module 41, network handover module the 42, first scheduler module the 51, second scheduler module 52, high priority terminal data business decision threshold Module the 531, the 3rd scheduler module the 54, the 4th scheduler module 55.Particularly as follows:
Judge module 41, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts net Network handover module 42, it is judged that when result is no, starts the first scheduler module 51；Judge module 41 is additionally operable to judge terminal use's Priority；
Network handover module 42 is for switching to public network by low priority terminal traffic in private network；
First scheduler module 51 is for schedules high priority terminal control business；
Second scheduler module 52 is for schedules high priority terminal data business；
First start the first scheduler module 51, be then turned on the second scheduler module 52；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel；
High priority terminal data business decision threshold module 531 is led to for signal in judge module judges described private network When road is not in congestion state, it is judged that whether LTE system private network meets high priority terminal data business decision threshold, if full Foot, opens the 3rd scheduler module 54；If being unsatisfactory for, reopen the second scheduler module 52；
Wherein, business decision threshold can be by contrasting private network remaining bandwidth with setting value as high priority terminal data Business decision threshold；Pre-set high priority terminal data business configuration ratio, this allocation ratio is multiplied by high priority eventually The value of end data service needed bandwidth gained, as setting value, removes the network channel band that high priority terminal control business takies After width, when LTE system private network channel width surplus value exceedes this setting value, high priority terminal data business decision threshold result Being yes, otherwise court verdict is no；
High priority terminal data business configuration ratio sets according to user's request；
It addition, business decision threshold can also be by contrast private network remaining bandwidth and high priority terminal data service needed Occupied bandwidth is as high priority terminal data business decision threshold；Remove the network letter that high priority terminal control business takies After road bandwidth, when LTE system private network channel width surplus value exceedes high priority terminal data service needed occupied bandwidth, Gao You First level terminal data business decision threshold result is yes, and otherwise court verdict is no；
3rd scheduler module 54 is for schedules low priority terminal control business；
4th scheduler module 55 is for schedules low priority terminal data business；
First start the 3rd scheduler module 54, be then turned on the 4th scheduler module 55；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel.
In the present invention one preferably alternative embodiment, described LTE system ground Resource Scheduler can include judging mould Block 41, network handover module the 42, first scheduler module the 51, second scheduler module 52, high priority terminal data business decision gate Limit module 531, low priority terminal never call duration judge module the 532, the 3rd scheduler module the 54, the 4th scheduler module 55.Tool Body is:
Judge module 41, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts net Network handover module 42, it is judged that when result is no, starts the first scheduler module 51；Judge module 41 is additionally operable to judge terminal use's Priority；
Network handover module 42 is for switching to public network by low priority terminal traffic in private network；
First scheduler module 51 is for schedules high priority terminal control business；
Second scheduler module 52 is for schedules high priority terminal data business；
First start the first scheduler module 51, be then turned on the second scheduler module 52；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel；
High priority terminal data business decision threshold module 531 is led to for signal in judge module judges described private network When road is not in congestion state, it is judged that whether LTE system private network meets high priority terminal data business decision threshold, if full Foot, opens the 3rd scheduler module 54；If being unsatisfactory for, open low priority terminal never call duration judge module 532；
Wherein, business decision threshold can be by contrasting private network remaining bandwidth with setting value as high priority terminal data Business decision threshold；Pre-set high priority terminal data business configuration ratio, this allocation ratio is multiplied by high priority eventually The value of end data service needed bandwidth gained, as setting value, removes the network channel band that high priority terminal control business takies After width, when LTE system private network channel width surplus value exceedes this setting value, high priority terminal data business decision threshold result Being yes, otherwise court verdict is no；
High priority terminal data business configuration ratio sets according to user's request；
It addition, business decision threshold can also be by contrast private network remaining bandwidth and high priority terminal data service needed Occupied bandwidth is as high priority terminal data business decision threshold；Remove the network letter that high priority terminal control business takies After road bandwidth, when LTE system private network channel width surplus value exceedes high priority terminal data service needed occupied bandwidth, Gao You First level terminal data business decision threshold result is yes, and otherwise court verdict is no；
Low priority terminal never call duration judge module 532, at high priority terminal data business decision threshold Module 531 judges when LTE system private network is unsatisfactory for high priority terminal data business decision threshold, it is judged that unscheduled low priority Terminal duration whether overtime length T1；If overtime length T1, then enforced opening the 3rd scheduler module 54 is once, if not Overtime length T1, then open the second scheduler module 52；
3rd scheduler module 54 is for schedules low priority terminal control business；
4th scheduler module 55 is for schedules low priority terminal data business；
First start the 3rd scheduler module 54, be then turned on the 4th scheduler module 55；So, adjust in the other terminal traffic of ad eundem During degree, priority scheduling controls business, ensures control business transmission quality in private network channel.
From the above it can be seen that the dispatching method of the LTE private network of present invention offer and LTE system dynamic resource scheduling Device, when network channel blocks up, by public network of low priority terminal in private network being cleared up and discharged to, and no longer receives new low excellent First level terminal adds private network, solves LTE system private network channel congestion problem；When network channel is unobstructed, by terminal PRI Height, as the primary factor of dispatching sequence, priority scheduling high priority terminal traffic, has ensured the signal of high priority terminal Channels open；It is simultaneously introduced time span T1 and configurable ratio, it is to avoid low priority terminal traffic is not scheduled Problem.
Those of ordinary skill in the field are it is understood that the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example Or can also be combined between the technical characteristic in different embodiments, step can realize with random order, and exists such as Other change of the many of the different aspect of the upper described present invention, in order to concisely they do not provide in details.
Embodiments of the invention be intended to fall into all such replacement within the broad range of claims, Amendment and modification.Therefore, all within the spirit and principles in the present invention, any omission of being made, amendment, equivalent, improvement Deng, should be included within the scope of the present invention.

Claims (10)

1. the dispatching method of a LTE system private network, it is characterised in that the method includes:
Judge that in LTE system private network, signalling channel is the most congested；
If signalling channel is in congestion state in described private network, then during pressure switches this private network, low priority terminal is to public network Network；
If signalling channel is not in congestion state in described private network, then priority scheduling high priority terminal traffic, then dispatch low Priority endpoint business.
The dispatching method of LTE system private network the most according to claim 1, it is characterised in that described priority scheduling is high preferential Level terminal traffic, then the step of schedules low priority terminal traffic farther includes: terminal traffic other for equal priority, Priority scheduling controls business, then scheduling data traffic.
The dispatching method of LTE system private network the most according to claim 1, it is characterised in that if in described private network Signalling channel is in congestion state, then farther include: when receiving new terminal traffic and adding private network request, it is judged that this terminal Priority, if high priority terminal then allow add, otherwise refuse.
The dispatching method of LTE system private network the most according to claim 2, it is characterised in that described terminal PRI passes through Proportional fair scheduling determines；And/or the use requirements set according to terminal；
If signalling channel is not in congestion state in described private network, then farther include: whether judge LTE system private network Meet high priority terminal data business decision threshold, if meet, schedules low priority terminal control business, then dispatch low preferentially Level terminal data business；If being unsatisfactory for, continue schedules high priority terminal data business.
The dispatching method of LTE system private network the most according to claim 4, it is characterised in that described high priority number of terminals According to business decision threshold, farther include:
Contrast private network remaining bandwidth as described high priority terminal data business decision threshold, removes described Gao You with setting value After the private network channel width that first level terminal control business takies, LTE system private network channel width surplus value exceedes described setting value Time, described high priority terminal data business decision threshold result is yes, and the most described high priority terminal data business is adjudicated Result is no；
Or, contrast private network remaining bandwidth and described high priority terminal data service needed occupied bandwidth are as described high priority Terminal data business decision threshold, after removing the network channel bandwidth that described high priority terminal control business takies, LTE system When private network channel width surplus value exceedes described high priority terminal data service needed occupied bandwidth, high priority terminal data Business decision threshold result is yes, and otherwise court verdict is no.
The dispatching method of LTE system private network the most according to claim 4, it is characterised in that described judgement LTE system private network Whether whether meet high priority terminal data business decision threshold court verdict, then farther include: judge unscheduled low excellent First level terminal duration whether overtime length T1；LTE system private network is unsatisfactory for high priority terminal data business decision threshold, And when the high priority terminal data business hours exceedes described time span T1 described in repetitive schedule, force scheduling each described low Priority endpoint business is once.
7. a LTE system dynamic resource scheduling device, it is characterised in that including:
Judge module, is used for judging that LTE system private network signalling channel is the most congested, it is judged that when result is for being, starts network switching Module, it is judged that when result is no, starts scheduler module；Described judge module is additionally operable to judge the priority of terminal use；
Described network handover module is for switching to public network by low priority terminal traffic in private network；
Described scheduler module is used for dispatch terminal business, priority scheduling high priority terminal traffic, then schedules low priority terminal Business.
LTE system dynamic resource scheduling device the most according to claim 7, it is characterised in that described network handover module is also Including refusing low priority terminal use's module of being newly added, it is in congestion state for private network signalling channel, and has new terminal When user adds private network, receive high priority terminal, refuse low priority terminal.
LTE system dynamic resource scheduling device the most according to claim 7, it is characterised in that described scheduler module includes One scheduler module, the second scheduler module, control module, the 3rd scheduler module, the 4th scheduler module；
Wherein, described first scheduler module is used for schedules high priority terminal control business；
Described second scheduler module is used for schedules high priority terminal data business；
Described control module is used for controlling whether to start described 3rd scheduler module；
Described 3rd scheduler module is used for schedules low priority terminal control business；
Described 4th scheduler module is used for schedules low priority terminal data business.
LTE system dynamic resource scheduling device the most according to claim 9, it is characterised in that
Described control module includes high priority terminal data business decision threshold module, and described judge module judges described private network When middle signalling channel is not in congestion state, described high priority terminal data business decision threshold module is used for judging LTE system Whether system private network meets high priority terminal data business decision threshold, if meeting, opens described 3rd scheduler module；If it is discontented Foot, reopens described second scheduler module.
Described control module also includes low priority terminal never call duration judge module, described high priority terminal data business Decision threshold module judges whether whether LTE system private network meet high priority terminal data business decision threshold court verdict, Described low priority terminal never call duration judge module is used for judging unscheduled low priority terminal duration whether overtime Length T1；If overtime length T1, then the 3rd scheduler module described in enforced opening is once.
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