CN101778424A - Method and base station for balancing resource distribution - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000010295 mobile communication Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000013468 resource allocation Methods 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 description 14
- 230000002459 sustained effect Effects 0.000 description 5
- 230000003542 behavioural effect Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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Abstract
The invention provides a method and a base station for balancing resource distribution. The method is applied to a mobile communication system and comprises the steps of identifying users with the occupied resource exceeding a first predetermined value in the service processing procedure of the base station, and reducing the service quality grade of the users. By adopting the method and the base station for balancing the resource distribution, when the resource is sufficient, violence users and normal users both can obtain needed resources, and when the system is overloaded, the grade of the violence users is reduced to ensure that the normal users can preferentially obtain the service.
Description
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method and a base station for balancing resource allocation.
Background
In a mobile communication system, for example, a CDMA 20001 x-EVDO mobile communication system, which is a wireless extension of the internet, high-rate packet data services are provided to users, and the users acquire system resources through contention. For the forward link, the fair occupation of the forward sending time slot is realized by a proportional fair scheduling algorithm among users. For the reverse link, inter-user interference is limited by power control. The CDMA 20001 x-EVDO mobile communication system has two-stage quality of service (QoS) characteristics, indoor and inter-user, the intra-user QoS refers to QoS between different applications initiated by the same user; and inter-user QoS refers to QoS between different users.
In order to implement QoS between users, a mobile communication system is configured with a plurality of user QoS classes (referred to as "user classes" or "QoS classes"), each user class corresponding to a set of QoS parameters, including a forward scheduling parameter and a reverse power control parameter. Under the condition of system overload, the probability that a high-grade user obtains a forward sending time slot is higher, and the obtained reverse T2P (Traffic-to-Pilot, the ratio of the Traffic information to the Pilot channel strength) token resources are more, namely, the chance of obtaining service is more. In the current mobile communication system, when a new user places a number, the QoS level of the user is determined. When the terminal starts calling, the base station sets the QoS parameter according to the grade of the user, and the parameter is kept unchanged after being set.
The service model provided by the CDMA 20001 x-EVDO mobile communication system is mainly download, such as FTP (File Transfer Protocol), BT (bit stream), emule (e-donkey), etc. The current flow chart for acquiring resources among users is shown in fig. 1, and the steps are as follows:
101. and an air interface connection is established between the terminal and the base station.
102. And the base station acquires the registered user grade OriginalRank when the user is assigned with the number.
103. And the base station acquires corresponding QoS parameters including forward scheduling parameters and reverse power control parameters according to the originalRank.
104. The base station sets the BTS, specifically, the channel element on the BTS, using the retrieved forward scheduling parameters.
105. The base station initiates a GAUP (Generic attribute Update Protocol) negotiation with the terminal, and transmits the reverse power control parameter to the terminal.
106. And exchanging service messages between the base station and the terminal, wherein the QoS grade of the user is kept unchanged all the time in the message exchange process.
107. And closing the air interface connection after the message exchange is finished.
According to the traffic statistics of the operator, in a commercial environment, 90% of the traffic in the mobile communication system is generated by 20% of users, which are online for a long time and in a high-speed downloading state, so that most other users with the same level with less traffic are difficult to be served in time when the system is overloaded. The few users with large traffic and long online time are called as 'violent users', and the current mobile communication system lacks a limiting measure for the 'violent users', so that the violent users are in a position of being dominant in resource competition for a long time, and the distribution of system resources among the users is seriously unbalanced.
Disclosure of Invention
The problem to be solved by the present invention is to provide a method and a base station for balancing resource allocation, so as to ensure that most normal users are preferentially served when system resources are limited.
In order to solve the above technical problem, the present invention provides a method for balancing resource allocation, which is applied in a mobile communication system and includes:
the base station identifies the user occupying the resource exceeding a first preset value in the service processing process;
reducing the quality of service level of the user.
Further, the method also has the following characteristics: the occupied resource exceeding the first predetermined value is specifically:
the user online time exceeds a predetermined upper limit value, the total flow of the user online exceeds a predetermined upper limit value, the average rate of the user online exceeds a predetermined upper limit value, or the user continuously operates for a predetermined time at a rate exceeding the predetermined upper limit value.
Further, the method also has the following characteristics: the reducing the quality of service level of the user specifically comprises:
selecting a service quality grade lower than the current service quality grade of the user from a pre-stored service quality grade configuration table,
and setting a base transceiver station based on the forward scheduling parameters corresponding to the selected service quality grade, and sending the reverse power control parameters corresponding to the selected service quality grade to the corresponding terminal.
Further, the method also has the following characteristics: after the reducing the quality of service level of the user, the method further comprises:
and when the base station identifies that the resource occupied by the user is a second preset value, the service quality grade of the user is restored to the service quality grade before degradation.
Further, the method also has the following characteristics: the resource occupied by the user is specifically the second predetermined value:
the user is downgraded for a predetermined time, the average rate of the user after downgrading is lower than a predetermined lower limit, or the user is running continuously for a predetermined period of time at a rate lower than the predetermined lower limit.
Further, the method also has the following characteristics: after the reducing the quality of service level of the user, the method further comprises:
if the request for establishing the air interface connection initiated by the user is detected, setting a base station transceiver station by using the forward scheduling parameters corresponding to the degraded service quality grade, and sending the reverse power control parameter setting corresponding to the selected service quality grade to the corresponding terminal.
The present invention also provides a base station for use in a mobile communication system, wherein,
and the base station is used for reducing the service quality grade of the user after identifying the user occupying resources exceeding a first preset value in the service processing process.
Further, the base station has the following characteristics: the occupied resource exceeding the first predetermined value is specifically:
the user online time exceeds a predetermined upper limit value, the total flow of the user online exceeds a predetermined upper limit value, the average rate of the user online exceeds a predetermined upper limit value, or the user continuously operates for a predetermined time at a rate exceeding the predetermined upper limit value.
Further, the base station has the following characteristics: the base station, reducing the quality of service level of the user, is specifically configured to: selecting a service quality grade lower than the current service quality grade of a user from the pre-stored service quality grade configuration, setting a base transceiver station based on the forward scheduling parameter corresponding to the selected service quality grade, and sending the reverse power control parameter corresponding to the selected service quality grade to the corresponding terminal.
Further, the base station has the following characteristics: the base station, after reducing the quality of service level of the user, is further configured to: and when the resource occupied by the user is identified to be a second preset value, the service quality grade of the user is recovered to the service quality grade before degradation.
Further, the base station has the following characteristics: the resource occupied by the user is specifically the second predetermined value:
the user is downgraded for a predetermined time, the average rate of the user after downgrading is lower than a predetermined lower limit, or the user is running continuously for a predetermined period of time at a rate lower than the predetermined lower limit.
Further, the base station has the following characteristics: the base station, after reducing the quality of service level of the user, is further configured to: if the request for establishing the air interface connection initiated by the user is detected, setting a base station transceiver station by using the forward scheduling parameters corresponding to the degraded service quality grade, and sending the reverse power control parameter setting corresponding to the selected service quality grade to the corresponding terminal.
In summary, the present invention provides a method and a base station for balancing resource allocation, when resources are sufficient, both violent users and normal users can obtain the required resources; and when the system is overloaded, the level of violent users is reduced, and normal users are guaranteed to obtain service preferentially.
Drawings
FIG. 1 illustrates a flow chart of the present method for acquiring resources among users;
FIG. 2 is a flow chart of a method of balancing resource allocation according to an embodiment of the present invention;
fig. 3 is a flow chart of a method of balancing resource allocation according to another embodiment of the present invention.
Detailed Description
The core idea of the invention is to identify the violent user according to the behavior process of the user receiving and sending the message, and when the violent user is found, the base station weakens the resource competitiveness of the user by reducing the QoS grade of the user as a restriction measure. Under certain conditions, when the base station considers that the limitation measures can be cancelled, the degraded user can be restored to the original QoS grade.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
In the mobile communication system of the embodiment, the base station identifies the violent user occupying the resource exceeding the first preset value in the service processing process. There are a variety of authentication policies that can be used to authenticate "violent users," such as "long time policy", "traffic policy", "average rate policy", "sustained rate policy", and "integrated policy". In addition, other policies may also be defined according to the operator's requirements. Wherein,
the 'duration strategy' means that the user online time exceeds the upper limit, and the user is considered as a violent user.
The "flow strategy" means that when the total flow of the users is on line and exceeds the upper limit, the users are considered as violent users.
The average rate strategy refers to that the average rate of the users since the users are online exceeds the upper limit, and the users are considered as violent users.
A "sustained rate policy" refers to a user that has been running for a period of time at a rate that exceeds an upper limit, and is considered a "violent user".
The comprehensive strategy refers to considering a plurality of strategies simultaneously, for example, the strict comprehensive strategy refers to that a user is considered as a violent user as long as one item of online time, flow or average rate of the user exceeds an upper limit value; and the 'loose comprehensive strategy' is regarded as a 'violent user' when the items of the online time, the flow or the average rate of the user exceed the upper limit value at the same time.
The base station should collect sufficient statistics as input to the authentication strategy, such as user online time, total traffic and average rate.
After the base station identifies the violent user, the QoS grade of the user is reduced, so that the user is in a disadvantage position in resource competition. The specific operation is as follows:
the base station may select a QoS class lower than the current class from a pre-stored user class profile table. For convenience of description, the QoS class when the user is numbered is recorded as an original class (OriginalRank), and the QoS class after being downgraded is recorded as a downgraded class (degradedrrank).
Then, the Base Station sets a BTS (Base Transceiver Station) with a forward scheduling parameter corresponding to the degradation level (degradedrnk). After BTS is set by using the forward scheduling parameter corresponding to the DegradedRank, the priority of the forward link of the user is reduced, and the purpose of limiting the forward service of the user is achieved.
Then, the base station sets AT (terminal) using the reverse power control parameter corresponding to the degradation level (DegradedRank). After the AT is set by using the reverse power control parameter corresponding to the DegradedRank, the reverse T2P resource of the user is reduced, so as to achieve the purpose of limiting the reverse service of the user.
Under certain conditions, the base station can finish the limiting measures for the violent users and restore the violent users to the original QoS level. The base station may employ a variety of recovery strategies to determine whether the restriction of "violent users" may be ended. Such as "duration policy," "average rate policy," "sustained rate policy," "integrated policy," or other operator-defined policy, etc.
"duration policy" refers to recovery when a user is downgraded for a period of time.
"average rate policy" refers to recovery when the average rate of a user is below a lower limit after being downgraded.
The "sustained rate policy" means that the user is resumed after a certain period of time at a rate lower than the lower limit.
"integrated policy" considers multiple policies simultaneously, for example, "strict integrated policy" refers to recovery when a user is downgraded for a while and the average rate is below the lower limit; and the 'loose comprehensive strategy' is recovered when the user is degraded for a period of time or the average rate is lower than the lower limit.
The specific recovery operation is as follows:
the base station sets the BTS with the forward scheduling parameters corresponding to the original rank (OriginalRank).
The base station sets the AT by using the reverse power control parameter corresponding to the original grade (originalRank).
Table 1 shows a QoS class configuration table according to an embodiment of the present invention
| QoS classes | Limiting rate | Limiting rate duration | Recovery rate | Recovery rate duration | QoS parameters |
| 1 | 2M | 6h | 1M | 12h | QoSParameter1 |
| 2 | 1M | 3h | 500K | 6h | QoSParameter2 |
| 3 | 500K | 1h | 200K | 2h | QoSParameter3 |
| 4 | 200K | 0.5h | 100K | 1h | QoSParameter4 |
As shown in table 1, the table consists of 6 columns:
"QoS classes" are the primary keys of the table, where all QoS classes are listed in descending order of priority.
The "QoS parameter" indicates a "forward scheduling parameter" and a "reverse power control parameter" corresponding to the QoS class.
The "limiting rate" and "limiting rate duration" represent the behavioral boundaries of a violent user. If the user is in a normal state, the actual rate exceeds the "rate limit" and the duration of this situation exceeds the "rate limit duration", the user is considered to be a "violent user".
The "recovery rate" and "recovery rate duration" represent the behavioral boundaries of a normal user. If the user is in the restricted state, the actual rate is lower than the recovery rate, and the duration of this situation exceeds the recovery rate duration, then the previous QoS level of the user is considered to be recoverable.
For example, the QoS level when a certain user is placed is 2. After the user dials successfully, the user uses the QoSParameter2 to set the forward scheduling parameters and the reverse power control parameters, and is in a normal state at this time.
In the normal state, if the base station finds that the rate of the user exceeds 1M for 3 consecutive hours, the user is considered to be a "violent user". At this time, the base station assigns a lower QoS level 3 to the user service, sets the forward scheduling parameter and the reverse power control parameter using the QoSParameter3, and the user enters the restricted state.
In the restricted state, if the base station finds that the rate of the user is lower than 500K for 6 hours continuously, the user is considered to stop the violent behavior, and the restriction measure can be cancelled. At this time, the base station recovers the QoS class 2 of the user, sets the forward scheduling parameter and the reverse power control parameter using the QoSParameter2, and the user enters a normal state.
If the user disconnects the air interface connection after being degraded, the BTS and the AT are still set by adopting the forward scheduling parameter and the reverse power control parameter of the degraded QoS level when the connection is established next time, which is to prevent the 'violent user' from bypassing the restriction measure by the way of disconnecting the connection.
Fig. 2 is a flowchart of a method for balancing resource allocation according to an embodiment of the present invention, which includes the following steps:
21. and the base station identifies the user occupying the resource exceeding a first preset value in the service processing process.
In the service processing process, the base station collects enough statistical information as data of an authentication strategy, such as user online time, total traffic and average rate. The base station may authenticate "violent users" based on the "duration policy", "average rate policy", "sustained rate policy", "integrated policy", or other operator-defined policies, etc., as described above.
22. The base station decreases the QoS level of the user.
After the base station identifies the violent user, a QoS grade lower than the current grade is selected as the QoS grade of the user.
Thus, the method for balancing resource allocation according to the embodiment can limit the users occupying resources exceeding the threshold to ensure that normal users can obtain services preferentially.
FIG. 3 is a flowchart of a method for balancing resource allocation according to another embodiment of the present invention, comprising the following steps:
201. in an initial process (such as steps 101 to 105 in fig. 1), a base station sets a BTS and an AT respectively by using a forward scheduling parameter and a reverse power control parameter of an original rank (OriginalRank) when a user places a number.
At this time, the user is in a normal state, and the base station exchanges service messages with the terminal. The base station collects relevant statistical information while processing the message, and identifies whether the user is a violent user according to a specific identification strategy.
If the base station determines that the user is a violent user, the following 'restriction flow' is carried out, and the QoS grade of the user is reduced.
202. The base station assigns a lower QoS grade to the user than OriginalRank, which is marked as DegradedRank.
203. And the base station acquires corresponding QoS parameters including forward scheduling parameters and reverse power control parameters according to the DegradedRank.
204. The base station sets the channel elements at the BTS using the derived forward scheduling parameters.
205. The base station initiates a GAUP negotiation with the terminal and transmits the reverse power control parameter to the terminal.
At this time, the user turns to a 'restricted state', and the base station and the terminal continue to exchange service messages.
206. The base station collects the relevant statistical information while processing the message, and judges whether the limitation measure for the user can be finished according to a specific recovery strategy.
If the base station decides to end the restriction measure for the user, the following "recovery flow" is performed to recover the QoS class of the user.
207. And the base station acquires the registered user grade OriginalRank when the user is assigned with the number.
208. And the base station acquires corresponding QoS parameters including forward scheduling parameters and reverse power control parameters according to the originalRank.
209. The base station sets the channel elements at the BTS using the derived forward scheduling parameters.
210. The base station initiates a GAUP negotiation with the terminal and transmits the reverse power control parameter to the terminal.
211. The user turns to the 'normal state', and the base station and the terminal continue to exchange service messages.
Similar to the above steps, when the user is in the "normal state", the base station adopts the "discrimination strategy" to judge whether the QoS grade of the user needs to be reduced; and when the user is in the 'limitation state', the base station adopts a 'recovery strategy' to judge whether to finish the limitation measure on the user. That is, when the user is online, the base station can perform dynamic QoS update on the user according to the user behavior.
212. And closing the air interface connection after the message exchange is finished.
In addition, before closing the air interface connection, if the user is in a 'limited state', the base station still uses the DegradedRank to initialize the user when the air interface connection is established next time, so that a 'violent user' can be prevented from bypassing the limitation measure in a disconnection mode.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (12)
1. A method for balancing resource allocation, which is applied to a mobile communication system, comprises the following steps:
the base station identifies the user occupying the resource exceeding a first preset value in the service processing process;
reducing the quality of service level of the user.
2. The method of claim 1, wherein: the occupied resource exceeding the first predetermined value is specifically:
the user online time exceeds a predetermined upper limit value, the total flow of the user online exceeds a predetermined upper limit value, the average rate of the user online exceeds a predetermined upper limit value, or the user continuously operates for a predetermined time at a rate exceeding the predetermined upper limit value.
3. The method of claim 1, wherein: the reducing the quality of service level of the user specifically comprises:
selecting a service quality grade lower than the current service quality grade of the user from a pre-stored service quality grade configuration table,
and setting a base transceiver station based on the forward scheduling parameters corresponding to the selected service quality grade, and sending the reverse power control parameters corresponding to the selected service quality grade to the corresponding terminal.
4. The method of any one of claims 1-3, wherein: after the reducing the quality of service level of the user, the method further comprises:
and when the base station identifies that the resource occupied by the user is a second preset value, the service quality grade of the user is restored to the service quality grade before degradation.
5. The method of claim 4, wherein: the resource occupied by the user is specifically the second predetermined value:
the user is downgraded for a predetermined time, the average rate of the user after downgrading is lower than a predetermined lower limit, or the user is running continuously for a predetermined period of time at a rate lower than the predetermined lower limit.
6. The method of any one of claims 1-3, wherein: after the reducing the quality of service level of the user, the method further comprises:
if the request for establishing the air interface connection initiated by the user is detected, setting a base station transceiver station by using the forward scheduling parameters corresponding to the degraded service quality grade, and sending the reverse power control parameter setting corresponding to the selected service quality grade to the corresponding terminal.
7. A base station for use in a mobile communication system,
and the base station is used for reducing the service quality grade of the user after identifying the user occupying resources exceeding a first preset value in the service processing process.
8. The base station of claim 7, wherein: the occupied resource exceeding the first predetermined value is specifically:
the user online time exceeds a predetermined upper limit value, the total flow of the user online exceeds a predetermined upper limit value, the average rate of the user online exceeds a predetermined upper limit value, or the user continuously operates for a predetermined time at a rate exceeding the predetermined upper limit value.
9. The base station of claim 7, wherein:
the base station, reducing the quality of service level of the user, is specifically configured to: selecting a service quality grade lower than the current service quality grade of a user from the pre-stored service quality grade configuration, setting a base transceiver station based on the forward scheduling parameter corresponding to the selected service quality grade, and sending the reverse power control parameter corresponding to the selected service quality grade to the corresponding terminal.
10. The base station according to any of claims 7-9, characterized by:
the base station, after reducing the quality of service level of the user, is further configured to: and when the resource occupied by the user is identified to be a second preset value, the service quality grade of the user is recovered to the service quality grade before degradation.
11. The base station of claim 10, wherein: the resource occupied by the user is specifically the second predetermined value:
the user is downgraded for a predetermined time, the average rate of the user after downgrading is lower than a predetermined lower limit, or the user is running continuously for a predetermined period of time at a rate lower than the predetermined lower limit.
12. The base station according to any of claims 7-9, characterized by:
the base station, after reducing the quality of service level of the user, is further configured to: if the request for establishing the air interface connection initiated by the user is detected, setting a base station transceiver station by using the forward scheduling parameters corresponding to the degraded service quality grade, and sending the reverse power control parameter setting corresponding to the selected service quality grade to the corresponding terminal.
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| CN201010103537.2A CN101778424A (en) | 2010-01-26 | 2010-01-26 | Method and base station for balancing resource distribution |
| PCT/CN2010/074329 WO2011091644A1 (en) | 2010-01-26 | 2010-06-23 | Method for balancing allocation of resources and base station thereof |
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| CN102711188A (en) * | 2012-05-21 | 2012-10-03 | 中兴通讯股份有限公司 | Method and device for processing user resources |
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| US6738637B1 (en) * | 1998-12-16 | 2004-05-18 | Lucent Technologies Inc. | Dynamic variation of class of service in a communication network based on network resources |
| US6683853B1 (en) * | 1999-12-01 | 2004-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic upgrade of quality of service in a packet switched network |
| CN1738485A (en) * | 2000-02-08 | 2006-02-22 | Ipr特许公司 | Grade of service and fairness policy for bandwidth reservation system |
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| CN102711188A (en) * | 2012-05-21 | 2012-10-03 | 中兴通讯股份有限公司 | Method and device for processing user resources |
| WO2013174051A1 (en) * | 2012-05-21 | 2013-11-28 | 中兴通讯股份有限公司 | Method and device for processing user resources |
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