CN104168601A - Wireless network congestion control method and apparatus - Google Patents
Wireless network congestion control method and apparatus Download PDFInfo
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- CN104168601A CN104168601A CN201410360896.4A CN201410360896A CN104168601A CN 104168601 A CN104168601 A CN 104168601A CN 201410360896 A CN201410360896 A CN 201410360896A CN 104168601 A CN104168601 A CN 104168601A
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Abstract
The invention discloses a wireless network congestion control method. The method comprises the following steps: obtaining an indication that a wireless network is disposed at a high-load state; according to the indication, obtaining load association information of the wireless network; according to the obtained load association information and a preset congestion control threshold, selecting users in need of congestion control to form a congestion control user list; and according to the user list, performing the congestion control. The invention also discloses a wireless network congestion control apparatus. Through such a method, interlayer interaction can be reduced, change of a wireless environment can be responded in real time, and the problem of the congestion state of the wireless network is solved.
Description
Technical field
The present invention relates to mobile communication subscriber face field of data transmission, particularly relate to a kind of wireless network congestion control method and device.
Background technology
Development along with mobile communication, growing data service brings larger pressure to mobile communication system, show as: along with the increase of number of users, data throughout and signaling throughput, at base station radio network side and core-network side, all may cause congested, the whole throughput performance of mobile communication system is declined, affect service quality and the experience of user in community, as: the bad experience such as data throughput is slow, time delay is large and go offline.
For base station radio network side, cause congested factor a lot, with LTE (Long Term Evolutio, Long Term Evolution) be example, as: too much equipment is connected with same eNodeB, causes equipment competition to take the limited resources that eNodeB has, and produces congested; Wireless environment worsens, and channel quality declines, and causes wireless resource utility efficiency to decline, and produces congested.
Adopt at present many algorithms to carry out congestion management, as: access control, congestion control and ICIC (Inter-Cell Interference Coordination, coordinating district interference) etc.Whether congestion control is generally congested by detecting wireless network environment, according to user's service request and current service quality, certain customers are redirected or force handoff to other communities, to ensure that user's service quality and user experiences, and effectively alleviates the load pressure of community.
But in current congestion control, there is following defect: conventionally adopt to the measuring amount of congested relevant parameter the mode periodically reporting frequently, bring the larger expense of handling up to eNodeB inside, affect its inner throughput performance; The user who chooses is unreasonable, can not effectively solve congested.
For guaranteeing accessed user's service quality and the service quality of follow-up access user, in wireless network side, carry out efficient radio resource management and seem extremely important, as: the congestion control of base station radio network side.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of wireless network congestion control method and device, so as the variation of real-time response wireless environment, the congestion state of solution wireless network.
For solving the problems of the technologies described above, a kind of wireless network congestion control method that the embodiment of the present invention provides, comprises the following steps: obtain the indication of wireless network in higher load condition; According to indication, obtain the load related information of wireless network; The user who selects to need congestion control according to the load related information obtaining and default congestion control thresholding, forms congestion control user list; According to user list, carry out congestion control.
Wherein, before obtaining the indication of wireless network in higher load condition, comprising: the load related information of statistics wireless network; According to load related information and default congestion control thresholding, judge the load condition of wireless network; When wireless network is during in higher load condition, send high load capacity indication.
Wherein, according to the load related information obtaining and default congestion control thresholding, select to need the user of congestion control, form congestion control user list, comprising: according to the load related information obtaining and default congestion control thresholding, estimate and need the load that reduces; The load reducing according to need selects to carry out the user of congestion control, forms congestion control user list.
Wherein, after carrying out congestion control according to user list, comprising: according to load related information and default congestion control thresholding, judge the load condition of wireless network, this load related information is again the information of statistics; When wireless network is during in higher load condition, again carry out congestion control; When wireless network is during in normal duty state, send normal duty indication.
Wherein, the load related information of wireless network is periodic statistics.
Wherein, the load related information of wireless network comprise following any one or multiple:
Wireless resource utility efficiency, spectrum efficiency, data throughout, cpu load rate, number of users and carrying number.
Wherein, user list comprises the control mode that each user is corresponding, and control mode comprises force handoff, the release that is redirected or carries.
For solving the problems of the technologies described above, another embodiment of the present invention provides a kind of Wireless network congestion control device, comprising: the first acquisition module, for obtaining the indication of wireless network in higher load condition; The second acquisition module, for obtaining the load related information of wireless network according to indication; Select module, the load related information obtaining for basis and default congestion control thresholding select to need the user of congestion control, form congestion control user list; Control module, for carrying out congestion control according to user list.
Statistical module, for adding up the load related information of wireless network; Judge module, for judging the load condition of wireless network according to load related information and default congestion control thresholding; Send module, for when wireless network is during in higher load condition, send high load capacity indication to the first acquisition module.
Wherein, select module to be further used for: according to the load related information obtaining and default congestion control thresholding, to estimate the load that needs minimizing; The load reducing according to need selects to carry out the user of congestion control, forms congestion control user list.
Wherein, send module also for: when wireless network recovers normal duty state, send normal duty indication.
Wherein, the load related information of wireless network is periodic statistics.
Wherein, the load related information of wireless network comprise following any one or multiple:
Wireless resource utility efficiency, spectrum efficiency, data throughout, cpu load rate, number of users and carrying number.
Wherein, the user list of selecting module to form comprises the control mode that each user is corresponding, and control mode comprises force handoff, the release that is redirected or carries.
The invention has the beneficial effects as follows: be different from the situation of prior art, the advantage of wireless network congestion control method of the present invention is as follows:
The load related information of periodic statistics wireless network, according to the load condition of default congestion control thresholding judgement wireless network, when wireless network is during in higher load condition, report high load capacity indication, according to the load related information of indication polling of radio network, and then carry out congestion control.The mode that this event mode reports, inquires about, can reduce the frequent mutual of interlayer.
Obtain after the load related information of wireless network, according to load related information and congestion control thresholding, estimate the load that needs minimizing, the load reducing according to need selects to need the user of congestion control, form congestion control user list, according to user list, the user who selects is carried out force handoff, is redirected or carrying release.This mode can effectively be chosen user, carries out congestion control, saves interface-free resources.
Said method can real-time response wireless environment variation, solve the congestion state of wireless network.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of wireless network congestion control method one embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of wireless network congestion control method of the present invention;
Fig. 3 is the structural representation of Wireless network congestion control device one embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of wireless network congestion control method one embodiment of the present invention, as shown in Figure 1, comprises the following steps:
S11, obtains the indication of wireless network in higher load condition.
The present embodiment jamming control method is applied to base station radio network side, first its bottom carries out the statistics of wireless network load related information, then judges the load condition of wireless network, when wireless network is during in higher load condition, report high load capacity indication, upper strata obtains this high load capacity indication.
S12, obtains the load related information of wireless network according to indication.
Upper strata obtains after high load capacity indication, and then inquiry load related information, and the method is that event mode reports, inquires about, and can reduce the frequent mutual of interlayer.
S13, selects to need the user of congestion control according to the load related information obtaining and default congestion control thresholding, form congestion control user list.
S14, carries out congestion control according to user list.
Selected user is carried out to force handoff, is redirected or carrying release, to solve the congestion state of wireless network.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of another embodiment of wireless network congestion control method of the present invention, as shown in Figure 2, comprises the following steps:
S21, the load related information of statistics wireless network.
The present embodiment jamming control method be take the base station radio network side that is applied to LTE system and is described as example, and first, bottom module is added up the load related information of relevant load parameter, the measuring amount of relevant load parameter is added up.
Wherein, load related information is periodic statistics, and the cycle that proper extension is added up as required.
Wherein, load related information comprises: one or more in wireless resource utility efficiency, spectrum efficiency, data throughout, cpu load rate, number of users and carrying number, load related information can also be other information relevant to load.
Above-mentioned load related information can be facility level, cell level, user class or carrying rank.
Wherein, the present embodiment jamming control method also can be applicable to other communication standards.
S22, according to the load condition of load related information and default congestion control thresholding judgement wireless network.
Congestion control thresholding is the thresholding setting in advance, and is the thresholding of load related information, is divided into thresholding when congested and load restoration thresholding when normal.
S23, when wireless network is during in higher load condition, sends high load capacity indication.
When base station radio network side bottom module is judged wireless network in higher load condition, to upper layer module, send high load capacity indication.
When base station radio network side bottom module, judge the load condition of wireless network when normal, do not send any indication, congestion control finishes.
S24, obtains the indication of wireless network in higher load condition.
Base station radio network side upper layer module is obtained high load capacity indication.
S25, obtains the load related information of wireless network according to indication.
This obtain manner is inquiry, is the inquiry of event mode after reporting, and can reduce the frequent mutual of interlayer, reduces interlayer load, carries out in real time congestion control.
S26, selects to need the user of congestion control according to the load related information obtaining and default congestion control thresholding, form congestion control user list.
This step comprises following operation:
A. according to the load related information obtaining and default congestion control thresholding, estimate the load that needs minimizing.
B. the load reducing according to need selects to carry out the user of congestion control, forms congestion control user list.
The load reducing as required and load related information, effectively selection needs the user of congestion control, forms user list, i.e. UE (User Equipment) list.Wherein, user list comprises the control mode that each user is corresponding, as: force handoff, the release that is redirected or carries.
S27, carries out congestion control according to user list.
According to UE list, carry out corresponding force handoff, be redirected or carrying release.
S28, according to the load related information of statistics and the load condition of default congestion control thresholding judgement wireless network again, when wireless network is during in higher load condition, proceeds to step S23, carries out the congestion control of a new round.
S29, when wireless network is during in normal duty state, sends normal duty indication, and congestion control finishes.
When bottom module reports after normal duty indication, congestion control flow process finishes.
The method of the present embodiment can reduce frequent mutual, the minimizing interlayer load of interlayer, and energy real-time response wireless environment variation, accurately chooses suitable user and carries out congestion control, simple, can improve the performance of wireless network, guarantee that user's service quality and the integral body of community handles up.
The present embodiment method can solve the congestion state of eating dishes without rice or wine, and saves interface-free resources, makes congestion control process more perfect rationally, provides user to experience.
Below by a specific embodiment, introduce the process of congestion control.
RRC (Radio Resource Control, Radio Resource is controlled) detects the factors such as PRB (physical resource block, Physical Resource Block) occupancy, system loading, judges that whether community is in congestion state; By each UE in PDCP (Packet Data Convergence Protocol, Paket Data Convergence Protocol) inquiry community, respectively carry the data volume situation of handling up; MAC (Media Access Control, media interviews are controlled) statistics PRB utilance, and judge according to default PRB utilance thresholding whether current area surpasses thresholding; According to throughput and PRB utilance, judge that UE, whether in edge, chooses the UE that needs control, form UE list; According to UE list, carry out congested solution.Wherein, MAC also carries out the operation that event mode reports.
It is mutual that said process can reduce interlayer, avoids the pressure of handling up, and by adding up each UE, respectively carries throughput situation and can more precisely estimate Congestion Control Solution, realizes efficiently congestion control.
Refer to Fig. 3, Fig. 3 is the structural representation of Wireless network congestion control device one embodiment of the present invention, as shown in Figure 3, comprising: statistical module 31, judge module 32, send module 33, the first acquisition module 34, the second acquisition module 35, select module 36 and control module 37.
Wherein, the effect of each module is as follows:
Statistical module 31 is for adding up the load related information of wireless network.Be specially load measurement of correlation amount (as: wireless resource utility efficiency, spectrum efficiency, data throughout and cpu load rate etc.) is added up.
Judge module 32 is for judging the load condition of wireless network according to load related information and default congestion control thresholding.
Send module 33 for when wireless network is during in higher load condition, send high load capacity indication to the first acquisition module.Be about to high load capacity indication and report to the first acquisition module 34.
The first acquisition module 34 is for obtaining the indication of wireless network in higher load condition.
The second acquisition module 35 is for obtaining the load related information of wireless network according to indication.
The load related information that selection module 36 is obtained for basis and default congestion control thresholding select to need the user of congestion control, form congestion control user list.Select the concrete operations of module 36 to be, the load related information obtaining according to the second acquisition module 35 and default congestion control thresholding are estimated the load that needs minimizing; The load reducing according to need selects to carry out the user of congestion control, forms UE list.UE list is the solution that Wireless network congestion is controlled, and comprises and needs the UE of congestion control and control mode corresponding to each UE, control mode to comprise force handoff, the release that is redirected or carries.
Control module 37 is for carrying out congestion control by selected user.Be specially according to UE list and carry out corresponding force handoff, be redirected or carrying releasing operation.
Wherein, statistical module 31 can be for judge module 32 and the second acquisition module 35 inquiry load related informations.
Wherein, the load related information of statistical module 31 periodic statistics wireless networks.
Wherein, in control module 37, carry out after congested operation, judge module 32 also can be according to the load related information of statistics and the load condition that default congestion control thresholding continues judgement wireless network again, if wireless network, still in higher load condition, carries out congestion control again.If wireless network load restoration is normal, to send module 33 and send normal duty indication to the first acquisition module 34, congestion control flow process finishes.
The present embodiment device can real-time response wireless environment variation, save interface-free resources, solve the problem of Wireless network congestion.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (14)
1. a wireless network congestion control method, is characterized in that, comprises the following steps:
Obtain the indication of wireless network in higher load condition;
According to described indication, obtain the load related information of wireless network;
The user who selects to need congestion control according to the load related information obtaining and default congestion control thresholding, forms congestion control user list;
According to described user list, carry out congestion control.
2. wireless network congestion control method according to claim 1, is characterized in that, before obtaining the indication of wireless network in higher load condition, comprising:
The load related information of statistics wireless network;
According to the load condition of described load related information and default congestion control thresholding judgement wireless network;
When described wireless network is during in higher load condition, send high load capacity indication.
3. wireless network congestion control method according to claim 2, is characterized in that, selects to need the user of congestion control according to the load related information obtaining and default congestion control thresholding, forms congestion control user list, comprising:
According to the load related information obtaining and default congestion control thresholding, estimate the load that needs minimizing;
The load reducing according to need selects to carry out the user of congestion control, forms congestion control user list.
4. wireless network congestion control method according to claim 3, is characterized in that, after carrying out congestion control, comprising according to described user list:
The load condition that judges wireless network according to load related information and default congestion control thresholding, this load related information is again the information of statistics;
When described wireless network is during in higher load condition, again carry out congestion control;
When described wireless network is during in normal duty state, send normal duty indication.
5. wireless network congestion control method according to claim 4, is characterized in that, the load related information of described wireless network is periodic statistics.
6. wireless network congestion control method according to claim 5, is characterized in that, the load related information of described wireless network comprise following any one or multiple:
Wireless resource utility efficiency, spectrum efficiency, data throughout, cpu load rate, number of users and carrying number.
7. wireless network congestion control method according to claim 6, is characterized in that, described user list comprises the control mode that each user is corresponding, and described control mode comprises force handoff, the release that is redirected or carries.
8. a Wireless network congestion control device, is characterized in that, comprising:
The first acquisition module, for obtaining the indication of wireless network in higher load condition;
The second acquisition module, for obtaining the load related information of wireless network according to described indication;
Select module, the load related information obtaining for basis and default congestion control thresholding select to need the user of congestion control, form congestion control user list;
Control module, for carrying out congestion control according to described user list.
9. Wireless network congestion control device according to claim 8, is characterized in that, comprising:
Statistical module, for adding up the load related information of wireless network;
Judge module, for according to the load condition of described load related information and default congestion control thresholding judgement wireless network;
Send module, for when described wireless network is during in higher load condition, send high load capacity indication to the first acquisition module.
10. Wireless network congestion control device according to claim 9, is characterized in that, described selection module is further used for:
According to the load related information obtaining and default congestion control thresholding, estimate the load that needs minimizing;
The load reducing according to need selects to carry out the user of congestion control, forms congestion control user list.
11. Wireless network congestion control device according to claim 10, is characterized in that, described in send module also for:
When described wireless network recovers normal duty state, send normal duty indication.
12. Wireless network congestion control device according to claim 11, is characterized in that, the load related information of described wireless network is periodic statistics.
13. Wireless network congestion control device according to claim 12, is characterized in that, the load related information of described wireless network comprise following any one or multiple:
Wireless resource utility efficiency, spectrum efficiency, data throughout, cpu load rate, number of users and carrying number.
14. Wireless network congestion control device according to claim 13, is characterized in that, the user list that described selection module forms comprises the control mode that each user is corresponding, and described control mode comprises force handoff, the release that is redirected or carries.
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| WO2018014360A1 (en) * | 2016-07-22 | 2018-01-25 | 华为技术有限公司 | Congestion control method, base station, and terminal |
| CN109495396A (en) * | 2017-09-11 | 2019-03-19 | 美的智慧家居科技有限公司 | Environmental quality detection device and its data transmission method, environmental monitoring system |
| CN111343666A (en) * | 2018-12-19 | 2020-06-26 | ***通信集团四川有限公司 | Congestion adjustment method, device, equipment and medium based on LTE network |
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Address after: 510663 Shenzhou Road 10, Science City, Guangdong, Guangzhou Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road 10, Science City, Guangdong, Guangzhou Patentee before: Comba Telecom System (China) Ltd. |