CN101119524B - Method and device for overload control in communication system - Google Patents
Method and device for overload control in communication system Download PDFInfo
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- CN101119524B CN101119524B CN2007101217044A CN200710121704A CN101119524B CN 101119524 B CN101119524 B CN 101119524B CN 2007101217044 A CN2007101217044 A CN 2007101217044A CN 200710121704 A CN200710121704 A CN 200710121704A CN 101119524 B CN101119524 B CN 101119524B
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- 238000004891 communication Methods 0.000 title claims description 10
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- 238000005303 weighing Methods 0.000 claims description 3
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Abstract
The present invention relates to a method and a device for the controlling of the overload. The present invention is characterized in that the method comprises the following steps: 1. when the customer terminal wants to switch into the base station, the base station judges whether the present switch in number of the customer terminal surpasses the prior set limiting value; if the result is yes, the step two is enforced, otherwise the base station switches in the customer terminal to the base station; 2. the base station classifies the present switch in customer terminals into a plurality of groups according to the influence of the customer terminal to the thruput of the system and releases the customer terminal which has a small influence to the thruput of the system in the plurality of groups and has the prior set property; and the customer terminal needs to be switched into the base station is switched after the releasing. The device of the present invention comprises a base station which comprises an overload judge mould and an overload controlling mould. The method or device of the present invention realizes that the system thruput reaches the best when releasing the old connection through considering the wireless environment of the present customer terminal when controlling the overload.
Description
Technical field
The present invention relates to transship control technology, particularly relate to the method and the device of overload control in a kind of communication system.
Background technology
In present high speed packet communication system, in HRPD (high rate packet data) (HRPD, High Rate PacketData) mobile communcations system, control has two kinds of methods to user's overload: a kind of to be that refusal is new connect; Another is to discharge old connection, opens new connection.Wherein, above-mentioned second method is existing method commonly used.In the method, guarantee new opening of connecting by discharging old connection.Release has two kinds of methods: a kind of is to discharge the user to connect the retention time the longest, and another is to discharge the connection user that maximum transmitted data amount is arranged.But the common drawback of these two kinds of method for releasing is exactly when discharging old connections, does not consider the old connection that user's practical radio communication environment at that time selects desire to discharge, and therefore, efficient is not high, can not make the throughput of system reach optimum.
Summary of the invention
The method and the device that the purpose of this invention is to provide overload control in a kind of communication system, the overload controlling method and the device that solve prior art can cause the throughput of system when discharging old the connection can't reach optimum technical problem.
To achieve these goals, the invention provides the method for overload control in a kind of communication system, wherein, comprise the steps:
Step 1, when user terminal was desired access base station, described base station judged whether the current user terminal number that has inserted surpasses predefined threshold value; In this way, then execution in step two, otherwise described base station is inserted with the user terminal that described desire inserts in described base station;
Step 2, described base station is according to the size of user terminal to the throughput of system influence, the described current user terminal that has inserted is divided into a plurality of classifications, and discharge in described a plurality of classification, to the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence, and after carrying out described release, the user terminal that described desire is inserted inserts described base station;
In described step 2, described base station is according to the size of user terminal to the throughput of system influence, the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises: described base station is divided into a plurality of classifications according to the distance of the described base station of described user terminal distance with the described current user terminal that has inserted;
In described a plurality of classification, to the minimum classification of throughput of system influence is the described base station of distance classification farthest.
Described method, wherein, in described step 2, described user terminal with setting attribute comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
Described method, wherein, described base station is according to the distance of the described base station of described user terminal distance, and the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises:
Described base station preestablishes a plurality of distance ranges, the corresponding classification of each distance range;
The distance between described user terminal and the described base station is calculated in described base station, and according to the distance range under the described distance that calculates described user terminal branch is gone into described distance range corresponding class.
Described method, wherein, in a plurality of classifications of described release, the step of the minimum user terminal that classification comprised, that have predetermined property of the throughput of system influence is comprised:
Judge in described a plurality of classification, whether comprise the user terminal of access base station apart from described base station classification farthest; In this way, then discharge in described a plurality of classification, the described base station of distance user terminal that classification comprised, that have predetermined property farthest; Otherwise, discharge except that the described classification of having judged, comprise in other classification of accessed user's terminal, apart from described base station user terminal that classification comprised, that have predetermined property farthest.
Described method, wherein, in the described step 2, described base station is according to the distance of the described base station of described user terminal distance, and the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises:
The user terminal that will be positioned at base station cell radius 1/3rd scopes is set at closely class user terminal; The user terminal that will be positioned at base station cell radius 1/3rd to 2/3rds scopes is set at general distance-like user terminal; And will be positioned at base station cell radius 2/3rds to the user terminal of radius of society scope and be set at remote class user terminal;
Wherein, in described three classifications, described remote class user terminal is minimum to the throughput influence of system.
Described method, wherein, in a plurality of classifications of described release, the step of the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence is comprised:
Judge in the remote class set of user terminals and whether comprise user terminal; In this way, the user terminal that then discharge in the described remote class set of user terminals, has predetermined property; Otherwise, continue to judge in the general distance-like set of user terminals whether comprise user terminal;
Comprise user terminal, the user terminal that then discharge in the described general distance-like set of user terminals, has predetermined property in the general as described distance-like set of user terminals; Otherwise, the user terminal that then discharge in the class set of user terminals closely, has predetermined property.
The present invention also provides the device of overload control in a kind of high speed packet communication system, comprising: the base station, and wherein, described base station comprises:
The overload judge module is used for when user terminal is desired access base station, judges whether the current user terminal number that has inserted described base station surpasses predefined threshold value;
The overload control module, be used for when described overload judge module judges that the user terminal number of current access base station surpasses described predefined threshold value, according to the size of user terminal to the throughput of system influence, the described current user terminal that has inserted is divided into a plurality of classifications, and discharge in described a plurality of classification, to the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence, and after carrying out described release, the user terminal that described desire is inserted inserts described base station;
Described during when weighing to throughput of system influence big or small by the distance of the described base station of described user terminal distance, describedly to the minimum classification of throughput of system influence be: in described a plurality of classifications, the described base station of distance classification farthest.
Described device, wherein, described user terminal with predetermined property comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
Technique effect of the present invention is:
Overload controlling method of the present invention or device, when the user terminal number that has new user terminal desire access and current system to insert reaches predetermined threshold, the base station is according to the size of user terminal to the throughput of system influence, the current user terminal that has inserted is classified, and the old connection of selecting to have predetermined property from the classification to throughput of system influence minimum discharges, when realizing overload control, considered user terminal present located wireless environment thus, can guarantee that the throughput of system when discharging old the connection reaches optimum; And method of the present invention and device are after discharging old connection, and the user terminal that this desire is inserted inserts again, thereby can guarantee this new user terminal one that inserts connecting system surely.
Description of drawings
Fig. 1 is the schematic flow sheet of the overload controlling method of one embodiment of the invention;
Fig. 2 is the schematic flow sheet of the overload controlling method of another embodiment of the present invention;
Fig. 3 is the structural representation of the overloading control device of one embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 is the schematic flow sheet of the overload controlling method of one embodiment of the invention.As Fig. 1, the overload controlling method of one embodiment of the invention comprises the steps:
In specific implementation, the distance of user terminal from the base station is the material impact factor that influences throughput of system.User terminal is near more from the base station, discharges this user terminal, and is then big more to the throughput of system influence; And user terminal is far away more from the base station, discharges this user terminal, and is then more little to the throughput of system influence.
In step 102, the base station can calculate the user terminal that inserted and the distance between the base station earlier, and according to the distance of this distance, and the user terminal of current access base station is divided into a plurality of classifications.Particularly, for example, can preestablish a plurality of distance ranges, the corresponding classification of each distance range is gone into the pairing classification of described distance range according to the distance range under the distance between user terminal and the base station with the user terminal branch of current access base station.According to the distance of distance range, can determine not belong to the size of this user terminal in different classes of to the throughput of system influence from the base station.Illustrate, the user terminal that discharges in base station cell radius 1/3rd scopes is compared with the user terminal in discharging base station cell radius 1/3rd to 2/3rds scopes, and the user terminal that discharges in base station cell radius 1/3rd to 2/3rds scopes is littler to the throughput influence of system.
In this embodiment, this user terminal with predetermined property comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
Fig. 2 is the schematic flow sheet of the overload controlling method of another embodiment of the present invention.In this embodiment, be example with HRPD system based on the CDMA standard.As Fig. 2, the overload controlling method of another embodiment of the present invention comprises the steps:
In the step 203, the base station judges whether the current number of users that has inserted surpasses predefined threshold value; In this way, then execution in step 204, otherwise carry out 211;
Similarly, except that user terminal being divided into above-mentioned three classifications, in this embodiment, also user terminal can be divided into the plurality of classes of other number, as two classes, four classes, or the like.
In this embodiment of the present invention, when the number of users of system has arrived the predefined thresholding of system, when having new user terminal to desire connecting system, user's set under the user terminal adding that system does not insert this desire is earlier determined by its distance from the base station, but discharge earlier old connection, to guarantee new user terminal one that this desire inserts access base station surely.The principle that discharges old connection user terminal simultaneously is: if comprise user terminal in the remote class set of user terminals, then discharge the connection user terminal of transmitted data amount maximum in this set; If do not comprise user terminal in the remote class set of user terminals, when comprising user terminal in the general distance-like set of user terminals, then discharge the connection user terminal that this general distance-like user gathers the transmitted data amount of interior maximum; The person does not discharge the connection user terminal of the transmitted data amount of the maximum in closely the class user gathers.Obviously, also can select in an embodiment of the present invention to discharge the longest user terminal of connect hours in the set, or have the user terminal of other default attribute.
The present invention also provides a kind of overloading control device.Fig. 3 is the structural representation of the overloading control device of one embodiment of the invention.As Fig. 3, the overloading control device of one embodiment of the invention comprises: base station 301 is characterized in that the base station comprises:
Further, overloading control device of the present invention is characterized in that, described user terminal with predetermined property comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
Further, overloading control device of the present invention is characterized in that, when weighing throughput of system influence big or small by user terminal apart from the distance of base station, to the minimum classification of throughput of system influence be: in a plurality of classifications, apart from base station classification farthest.
It below only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the method for overload control in the communication system is characterized in that, comprises the steps:
Step 1, when user terminal was desired access base station, described base station judged whether the current user terminal number that has inserted surpasses predefined threshold value; In this way, then execution in step two, otherwise described base station is inserted with the user terminal that described desire inserts in described base station;
Step 2, described base station is according to the size of user terminal to the throughput of system influence, the described current user terminal that has inserted is divided into a plurality of classifications, and discharge in described a plurality of classification, to the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence, and after carrying out described release, the user terminal that described desire is inserted inserts described base station;
In described step 2, described base station is according to the size of user terminal to the throughput of system influence, the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises: described base station is divided into a plurality of classifications according to the distance of the described base station of described user terminal distance with the described current user terminal that has inserted;
In described a plurality of classification, to the minimum classification of throughput of system influence is the described base station of distance classification farthest.
2. method according to claim 1 is characterized in that, in described step 2, described user terminal with setting attribute comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
3. method according to claim 1 and 2 is characterized in that, described base station is according to the distance of the described base station of described user terminal distance, and the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises:
Described base station preestablishes a plurality of distance ranges, the corresponding classification of each distance range;
The distance between described user terminal and the described base station is calculated in described base station, and according to the distance range under the described distance that calculates described user terminal branch is gone into described distance range corresponding class.
4. method according to claim 3 is characterized in that, in a plurality of classifications of described release, the step of the minimum user terminal that classification comprised, that have predetermined property of the throughput of system influence is comprised:
Judge in described a plurality of classification, whether comprise the user terminal of access base station apart from described base station classification farthest; In this way, then discharge in described a plurality of classification, the described base station of distance user terminal that classification comprised, that have predetermined property farthest; Otherwise, discharge except that the described classification of having judged, comprise in other classification of accessed user's terminal, apart from described base station user terminal that classification comprised, that have predetermined property farthest.
5. method according to claim 3 is characterized in that, in the described step 2, described base station is according to the distance of the described base station of described user terminal distance, and the step that the described current user terminal that has inserted is divided into a plurality of classifications comprises:
The user terminal that will be positioned at base station cell radius 1/3rd scopes is set at closely class user terminal; The user terminal that will be positioned at base station cell radius 1/3rd to 2/3rds scopes is set at general distance-like user terminal; And will be positioned at base station cell radius 2/3rds to the user terminal of radius of society scope and be set at remote class user terminal;
Wherein, in described three classifications, described remote class user terminal is minimum to the throughput influence of system.
6. method according to claim 5 is characterized in that, in a plurality of classifications of described release, the step of the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence is comprised:
Judge in the remote class set of user terminals and whether comprise user terminal; In this way, the user terminal that then discharge in the described remote class set of user terminals, has predetermined property; Otherwise, continue to judge in the general distance-like set of user terminals whether comprise user terminal;
Comprise user terminal, the user terminal that then discharge in the described general distance-like set of user terminals, has predetermined property in the general as described distance-like set of user terminals; Otherwise, the user terminal that then discharge in the class set of user terminals closely, has predetermined property.
7. the device of overload control in the high speed packet communication system, comprising: the base station is characterized in that described base station comprises:
The overload judge module is used for when user terminal is desired access base station, judges whether the current user terminal number that has inserted described base station surpasses predefined threshold value;
The overload control module, be used for when described overload judge module judges that the user terminal number of current access base station surpasses described predefined threshold value, according to the size of user terminal to the throughput of system influence, the described current user terminal that has inserted is divided into a plurality of classifications, and discharge in described a plurality of classification, to the minimum user terminal that classification comprised, that have predetermined property of throughput of system influence, and after carrying out described release, the user terminal that described desire is inserted inserts described base station;
Described during when weighing to throughput of system influence big or small by the distance of the described base station of described user terminal distance, describedly to the minimum classification of throughput of system influence be: in described a plurality of classifications, the described base station of distance classification farthest.
8. device according to claim 7 is characterized in that, described user terminal with predetermined property comprises: have the user terminal of maximum transmission data amount, or connect the longest user terminal of retention time.
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| CN2007101217044A CN101119524B (en) | 2007-09-12 | 2007-09-12 | Method and device for overload control in communication system |
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| CN2007101217044A CN101119524B (en) | 2007-09-12 | 2007-09-12 | Method and device for overload control in communication system |
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| CN101119524A CN101119524A (en) | 2008-02-06 |
| CN101119524B true CN101119524B (en) | 2010-07-14 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101553006B (en) * | 2008-04-03 | 2011-09-21 | 中兴通讯股份有限公司 | Overload control method for WCDMA system |
| CN101626372A (en) * | 2008-07-07 | 2010-01-13 | 华为技术有限公司 | Method and system for realizing relative condition evaluation, server and client |
| CN101720117B (en) * | 2009-11-23 | 2013-11-20 | 中兴通讯股份有限公司 | Method and device for accessing terminal |
| US8638876B2 (en) * | 2009-12-29 | 2014-01-28 | Industrial Technology Research Institute | Systems and methods for providing preamble codes and generating preamble signals in wireless communications |
| CN105050048B (en) * | 2015-07-31 | 2019-05-03 | 腾讯科技（深圳）有限公司 | A kind of network access point location information prompt method, terminal and server |
| CN106793174B (en) * | 2016-11-30 | 2020-06-30 | 广东米德有源通信科技有限公司 | X2 link optimization method and device |
| CN107911843B (en) * | 2017-09-30 | 2021-02-26 | 浙江工业大学 | Node access method for load balancing of energy capture sensor network |
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| CN1489353A (en) * | 2002-07-26 | 2004-04-14 | Lg������ʽ���� | Overload controlling method of high-speed data communication system |
| EP1220561B1 (en) * | 2000-12-28 | 2004-11-24 | NTT DoCoMo, Inc. | Connection acceptance control scheme by obtaining available quality value |
| CN1761351A (en) * | 2004-10-13 | 2006-04-19 | 中兴通讯股份有限公司 | Method for controlling the call admission for high speed down going packet access system |
| CN1791262A (en) * | 2004-12-14 | 2006-06-21 | 华为技术有限公司 | WCDMA and TD-SCDMA mixed network service bearing and distributing method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1220561B1 (en) * | 2000-12-28 | 2004-11-24 | NTT DoCoMo, Inc. | Connection acceptance control scheme by obtaining available quality value |
| CN1489353A (en) * | 2002-07-26 | 2004-04-14 | Lg������ʽ���� | Overload controlling method of high-speed data communication system |
| CN1761351A (en) * | 2004-10-13 | 2006-04-19 | 中兴通讯股份有限公司 | Method for controlling the call admission for high speed down going packet access system |
| CN1791262A (en) * | 2004-12-14 | 2006-06-21 | 华为技术有限公司 | WCDMA and TD-SCDMA mixed network service bearing and distributing method |
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Effective date of registration: 20151222 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State net Mengjin County, Henan electric company Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
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