CN102857969A - Congestion control method and system - Google Patents
Congestion control method and system Download PDFInfo
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- CN102857969A CN102857969A CN201110176978XA CN201110176978A CN102857969A CN 102857969 A CN102857969 A CN 102857969A CN 201110176978X A CN201110176978X A CN 201110176978XA CN 201110176978 A CN201110176978 A CN 201110176978A CN 102857969 A CN102857969 A CN 102857969A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
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Abstract
The invention discloses a congestion control method and system. When a user terminal needs to apply for wireless access and bearing of ERAB (evolved radio access bear) resources from a base station in the case of business change, the method and system are applied to the technical field of communication. The method comprises the following steps that: a source cell base station receives an ERAB establishment request message of the changed business sent by an MME (mobility management entity), wherein the message carries the QOS (quality of service) attribute parameter of the ERAB needing to be newly established; the removable business is determined according to the active state of the accessed business in the current cell; and an ERAB release request message is sent to the MME so that the resources corresponding to the removed business are released by the MME and allocated to the changed business, wherein the message carries an ERAB identifier corresponding to the removable business. The method and system disclosed by the invention ensure that the resources occupied by the business in an inactive state for a long time are released at first in congestion control, and new user needs are satisfied without influencing the experience of the existing users.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of jamming control method and system.
Background technology
In the LTE network, in hot spot coverage or during festivals or holidays, tend to produce larger telephone traffic, and Radio Resource is limited.When constantly having New Consumers to need current cell-of-origin (Serving Cell) that service is provided, must need the residential quarter is the corresponding resource of this user assignment.Each user may have a plurality of business demands simultaneously again, for example: and one side visual telephone, on one side the view Internet webpage.Along with increasing of number of users and business demand, the radio resource consumption of residential quarter totally in order to satisfy new user's service quality, needs the cell-of-origin to carry out congestion control according to certain criterion, by removing other users' business, reach the equilibrium of wireless resource utility efficiency and user satisfaction.
In the LTE system, every kind of each user professional corresponding the ERAB (Evolved Radio Access Bear, evolution RAB) of different QoS (Quality of Service, service quality) attribute.In the existing LTE jamming control method, tend to comprise ARP (Allocation and Retention Priority with the QOS attribute of ERAB, allocation retention priority), QCI (QoS Class Identifier, the QoS class letter), speed etc. is as the decision rule of congestion control, by the priority of more current new business of need admitting, choose more the business of low priority and remove.Yet this method and imperfection, the user who is removed business may carry out business is but interrupted suddenly by force, affects actual user's satisfaction.
Summary of the invention
The invention provides a kind of jamming control method and system, in order to solve in the prior art after the priority dismounting business according to new business, be removed professional user and may carry out business and is but interrupted by force suddenly, affect the problem of actual user's satisfaction.
The invention provides a kind of jamming control method, the method comprises:
The evolution RAB ERAB that source cell base station receives the change business that Mobility Management Entity MME sends sets up request message, and this is set up and carries the service quality QOS property parameters of newly setting up ERAB in the request message;
According in the current area the active state of access service determine the business that can be removed;
Send ERAB releasing request message to MME, carry in this releasing request message and can be removed professional corresponding ERAB sign, so that MME discharges corresponding resource according to described ERAB sign, distribute to described change professional.
According to said method, the present invention also provides a kind of congestion control system, and this system comprises:
Mobility Management Entity MME, be used for sending the professional evolution RAB ERAB of change to source cell base station and set up request message, and the ERAB releasing request message returned of reception sources cell base station, and the ERAB sign corresponding according to the be removed business of carrying in the ERAB releasing request message, discharge corresponding resource, and it is professional to distribute to described change;
Source cell base station is set up request message for the evolution RAB ERAB that receives the change business of sending, and this is set up and carries the service quality QOS property parameters of newly setting up ERAB in the request message; According in the current area the active state of access service determine the business that can be removed; Send ERAB releasing request message to MME, carry in this ERAB releasing request message and can be removed professional corresponding ERAB sign.
Use method and system provided by the invention, will guarantee that in congestion control preferential release is in the resource that the long-term immobilization state service takies, so that the New Consumers demand is satisfied, do not affect again existing subscriber's use impression simultaneously.
Description of drawings
Fig. 1 is the flow chart of a kind of jamming control method of the embodiment of the invention;
Fig. 2 is the flow chart of a kind of jamming control method embodiment one of the embodiment of the invention;
Fig. 3 is the flow chart of a kind of jamming control method embodiment two of the embodiment of the invention;
Fig. 4 is the flow chart of a kind of jamming control method embodiment three of the embodiment of the invention;
Fig. 5 is the structural representation of a kind of congestion control system of the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of jamming control method, when the teleservice change need to be applied for RAB ERAB resource to the base station, the method comprises: the evolution RAB ERAB that source cell base station receives the change business that Mobility Management Entity MME sends sets up request message, and this is set up and carries the service quality QOS property parameters of newly setting up ERAB in the request message; According in the current area the active state of access service determine the business that can be removed; Send ERAB releasing request message to MME, carry in this releasing request message and can be removed professional corresponding ERAB sign, so that MME discharges corresponding resource according to described ERAB sign, distribute to described change professional.
As shown in Figure 1, when the teleservice change need to be applied for RAB ERAB resource to the base station, a kind of jamming control method that the embodiment of the invention provides, the specific implementation step comprises:
For the business that is in for a long time unactivated state, there is not actual demand data, but taken resource, be a kind of waste to resource under congestion scenario, and these business are removed the use impression that does not affect the user.So in embodiments of the present invention, the base station according in the current area the active state of access service determine the business that can be removed, determine to be removed professional concrete methods of realizing and comprise step:
Determine the evolution RAB ERAB that the cell-of-origin existing business can be removed according to the priority that change is professional;
Determine that the described ERAB that is removed is in the time of inactive Inactive state, and choose and be in the longest ERAB of inactive Inactive state time and deposit the pre-demolition service queue in as the business that can be removed;
Determine whether ERAB takies in the pre-demolition service queue resource enough satisfies the professional resource requirement of described change, if not then from residue ERAB, choose inactive the longest being put in the pre-demolition service queue of Inactive state time.
In embodiments of the present invention, the active state of business is divided into inactive Inactive state and activates two kinds of Active states, wherein, determine in the current area that the specific implementation of the active state of access service comprises:
Whether source cell base station cycle monitoring existing business has the data traffic of upstream or downstream in the one-period time, if having, determine that then this business is in the Active state that activates; If no, determine that then this business is in inactive Inactive state; Wherein, business is in the time of unactivated state for determining that this business is the duration that does not have data traffic after the unactivated state.
After a business is defined as unactivated state, need sometime the unactivated state activation of service, then implementation method comprises:
Mobility Management Entity MME sets up request message to the evolution RAB ERAB that source cell base station sends described unactivated state business;
Source cell base station receives the professional evolution RAB ERAB of described change set up request message after, according in the current area the active state of access service determine the business that can be removed, and after the resource that the dismountable business of release takies, activate the business of described unactivated state.
In order to reach the maximization of the utilization of resources, if when then current area can not admit described change service needed that described change business is switched to Target cell, comprising:
Source cell base station sends handover request message to target cell base station, has carried the professional QOS property parameters of change in this handover request message;
Target cell base station according in the current area the active state of access service determine the business that can be removed, and admit described change business after professional discharging to be removed.
The embodiment of the invention one, current Serving cell has been in congestion state, if first terminal (UE1) need to carry out new business 1, this business has the ability of seizing.Can be preempted in the low business of ability and priority ratio professional 1 having of other users, it is the longest that the business 2 of UE2 is in the Inactive state time.And professional 1 resource requirement is lacked than professional 2 resources that take, and the specific implementation step comprises (as shown in Figure 2):
Step 201, MME sends ERAB and sets up request message (ERAB Setup Request) to cell-of-origin, UE1 place, has carried the QOS property parameters that need to newly set up ERAB in the message.
Step 202, Serving cell by the jamming control method of service based active state, rule out the business 2 that needs to discharge UE2 in to new business admission process.Serving cell sends ERAB releasing request message (ERAB Release Indication) to MME, carries the ERAB ID (ERAB sign) of professional 2 correspondences in the message, and indication MME discharges professional 2.Simultaneously, Serving cell discharges the resource of professional 2 correspondences, distributes to new business.
Step 203, Serving cell send RRC and connect reallocation message (RRC Connection Reconfiguration) to UE2, and notice UE2 need to discharge business 2, discharges corresponding resource.
Step 204, Serving cell transmission RRC connects reallocation message (RRC Connection Reconfiguration) to UE1, and notice UE1 sets up business 1, and has distributed corresponding resource.
Step 205, UE2 sends RRC connection reprovision and finishes message (RRC Connection Reconfiguration Complete) to Serving cell, and professional 2 dispose procedure finishes.
Step 206, UE1 sends RRC connection reprovision and finishes message (RRC Connection Reconfiguration Complete) to Serving cell, and professional 1 is successfully established.
Step 207, Serving cell send ERAB and set up response message (ERAB Setup Response) to MME, and the business 1 of indication UE1 has been successfully established.
The embodiment of the invention two, current Serving cell has been in congestion state, and the business 1 of UE1 needs more resource requirement, and this business has the ability of seizing.Can be preempted in the low business of ability and priority ratio professional 1 having of other users, it is the longest that the business 2 of UE2 is in the Inactive state time.And professional 1 newly-increased resource requirement is lacked than professional 2 resources that take, and the specific implementation step comprises (as shown in Figure 3).
Step 301, MME sends ERAB MODIFY REQUEST message to residential quarter, UE1 place, has carried the QOS property parameters of professional 1 corresponding ERAB after revising in the message.
Step 302, Serving cell by the jamming control method of service based active state, rule out the business 2 that needs to discharge UE2 in to amended professional 1 admittance process.Serving cell sends ERABRELEASE INDICATION message to MME, carries the ERAB ID of professional 2 correspondences in the message, and indication MME discharges professional 2.Simultaneously, Serving cell discharges the resource of professional 2 correspondences, distributes to new business.
Step 303, Serving cell send RRC and connect reallocation message (RRC Connection Reconfiguration) to UE2, and notice UE2 need to discharge business 2, discharges corresponding resource.
Step 304, Serving cell transmission RRC connects reallocation message (RRC Connection Reconfiguration) to UE1, and notice UE1 sets up business 1, and has distributed corresponding resource.
Step 305, UE2 sends RRC connection reprovision and finishes message (RRC Connection Reconfiguration Complete) to Serving cell, and professional 2 dispose procedure finishes.
Step 306, UE1 sends RRC connection reprovision and finishes message (RRC Connection Reconfiguration Complete) to Serving cell, and professional 1 is successfully established.
Step 307, Serving cell send ERAB and set up response message (ERAB Setup Response) to MME, and the business 1 of indication UE1 has been successfully established.
The embodiment of the invention three, Target Cell (Target cell) has been in congestion state.UE1 is carrying out business 1, and moves to Target Cell from Source Cell (cell-of-origin), need to carry out handoff procedure.The Target cell that switches need to be business 1 Resources allocation of UE1.The business 1 of supposing UE1 has the ability of seizing.The having of other users in Target cell can be preempted in the low business of ability and priority ratio professional 1, and it is the longest that the business 2 of UE2 is in the Inactive state time.And professional 1 resource requirement is lacked than professional 2 resources that take.The specific implementation step comprises (as shown in Figure 4):
Step 401, UE1 sends measurement report message (Measurement Report) to the cell-of-origin, and the signal quality of indicating target residential quarter satisfies switching condition.
Step 402, cell-of-origin rule out UE1 need to switch to Target cell.The cell-of-origin sends handover request message (Handover Request) to Target cell, has carried professional 1 QOS property parameters in the message.
Step 403, Target cell by the jamming control method of service based active state, rule out the business 2 that needs to discharge UE2 in the business admission process that needs are switched.Target cell sends ERAB releasing request message (ERAB Release Indication) to MME, carries the ERAB ID of professional 2 correspondences in the message, and indication MME discharges professional 2.Simultaneously, Target cell discharges the resource of professional 2 correspondences, distributes to switch the new business of entering.
Step 404, Target cell send RRC and connect reallocation message (RRC Connection Reconfiguration) message to UE2, and notice UE2 need to discharge business 2, discharges corresponding resource.
Step 405, Target cell send handover request ack message (Handover Request Acknowledge) to the cell-of-origin, and the business of indication UE1 1 is admitted successfully at Target cell.
Step 406, cell-of-origin send RRC and connect reallocation message (RRC Connection Reconfiguration) to UE1, and UE1 carries out handoff procedure.
Step 407, the cell-of-origin sends SN state transfer message (SN Status Transfer) to Target cell.
Step 408, UE2 sends RRC connection reprovision to Target cell and finishes message (RRC Connection Reconfiguration Complete), and professional 2 dispose procedure finishes.
Step 409, UE1 sends RRC connection reprovision to Target cell and finishes message (RRC Connection Reconfiguration Complete), and the UE1 successful switch is to Target cell.
Step 410, Target cell send UE context release message (Context Release) to the cell-of-origin, successful switch is to Target cell for indication UE1, and the cell-of-origin discharges the related resource of UE1.So far, handoff procedure finishes.
As shown in Figure 5, also provide a kind of congestion control system according to the said method embodiment of the invention, when the teleservice change need to be applied for RAB ERAB resource to the base station, this system comprised:
Mobility Management Entity MME501, be used for sending the professional evolution RAB ERAB of change to source cell base station and set up request message, and the ERAB releasing request message returned of reception sources cell base station, and according to carrying the ERAB sign that can be removed professional correspondence in the ERAB releasing request message, discharge the described professional corresponding resource that is removed, distribute to described change professional;
Source cell base station 502 is set up request message for the evolution RAB ERAB that receives the change business of sending, and has carried the service quality QOS property parameters that need to newly set up ERAB in this message; According in the current area the active state of access service determine the business that can be removed; Send ERAB releasing request message to MME, carry in this ERAB releasing request message and can be removed professional corresponding ERAB sign, so that MME discharges the described professional corresponding resource that is removed, distribute to described change professional.
Described source cell base station 502 according in the current area the active state of access service determine that the business that can be removed comprises:
Determine the evolution RAB ERAB that the cell-of-origin existing business can be removed according to the priority that change is professional;
Determine that the described ERAB that is removed is in the time of inactive Inactive state, and choose and be in the longest ERAB of inactive Inactive state time and deposit the pre-demolition service queue in as the business that can be removed;
Determine whether ERAB takies in the pre-demolition service queue resource enough satisfies the professional resource requirement of described change, if not then from residue ERAB, choose inactive the longest being put in the pre-demolition service queue of Inactive state time.
Source cell base station 502 determines in the current area that the active state of access service comprises:
Whether source cell base station 502 cycle monitoring existing businesses have the data traffic of upstream or downstream in the one-period time, if having, determine that then this business is in the Active state that activates; If no, determine that then this business is in inactive Inactive state; Wherein, business is in the time of unactivated state for determining that this business is the duration that does not have data traffic after the unactivated state.
When the unactivated state service needed activated, the evolution RAB ERAB that described source cell base station 502 also is used for the described unactivated state business that receiving mobility management entity MME sends set up request message; According in the current area the active state of access service determine the business that can be removed, and after discharging the resource that dismountable business takies, activate the business of described unactivated state.
When current area can not admit described change service needed that described change business is switched to Target cell, this system also comprised target cell base station 503:
Described source cell base station 502 also is used for sending handover request message to target cell base station, has carried the professional QOS property parameters of change in this handover request message;
Target cell base station 503 is used for according to the definite business that can be removed of the active state of current area access service, and admits described change business after discharging the business of can being removed.
The present invention proposes, and when new business change (set up such as business, business modification switches to enter etc.) being arranged when needing more resources, except considering service priority, the active state of business is used for congestion control as important factor under congestion scenario.
Adopt method of the present invention, will guarantee that in congestion control preferential release is in the resource that the long-term immobilization state service takies, the New Consumers demand is satisfied, and does not affect again existing subscriber's use impression simultaneously.When the service needed of long-term immobilization activates, can again carry out again the congested admittance control based on the User Activity state.Adopt the present invention, effectively must improve the local resource utilance, do not affect user's satisfaction simultaneously.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a jamming control method is characterized in that, comprising:
The evolution RAB ERAB that source cell base station receives the change business that Mobility Management Entity MME sends sets up request message, and this is set up and carries the service quality QOS property parameters of newly setting up ERAB in the request message;
According in the current area the active state of access service determine the business that can be removed;
Send ERAB releasing request message to MME, carry in this releasing request message and can be removed professional corresponding ERAB sign, so that MME discharges corresponding resource according to described ERAB sign, distribute to described change professional.
2. the method for claim 1 is characterized in that, described according in the current area the active state of access service determine that the business that can be removed comprises:
Determine the evolution RAB ERAB that the cell-of-origin existing business can be removed according to the priority that change is professional;
Determine that the described ERAB that is removed is in the time of inactive Inactive state, and choose and be in the longest ERAB of inactive Inactive state time and deposit the pre-demolition service queue in as the business that can be removed;
Determine whether ERAB takies in the pre-demolition service queue resource enough satisfies the professional resource requirement of described change, if not then from residue ERAB, choose inactive the longest being put in the pre-demolition service queue of Inactive state time.
3. method as claimed in claim 2 is characterized in that, determines in the current area that the active state of access service comprises:
Whether source cell base station cycle monitoring existing business has the data traffic of upstream or downstream in the one-period time, if having, determine that then this business is in the Active state that activates; If no, determine that then this business is in inactive Inactive state; Wherein, business is in the time of unactivated state for determining business for after the unactivated state, and upstream or downstream do not have the duration of data traffic.
4. the method for claim 1 is characterized in that, when current area can not admit described change service needed that described change business is switched to Target cell, comprising:
Source cell base station sends handover request message to target cell base station, has carried the professional QOS property parameters of change in this handover request message;
Target cell base station according in the current area the active state of access service determine the business that can be removed, and admit described change business after professional discharging to be removed.
5. method as claimed in claim 2 is characterized in that, when the unactivated state service needed activates, comprising:
Mobility Management Entity MME sets up request message to the evolution RAB ERAB that source cell base station sends described unactivated state business;
Source cell base station receive described set up request message after, according in the current area the active state of access service determine the business that can be removed, and after discharging the resource that dismountable business takies, activate the business of described unactivated state.
6. a congestion control system is characterized in that, comprising:
Mobility Management Entity MME, be used for sending the professional evolution RAB ERAB of change to source cell base station and set up request message, and the ERAB releasing request message returned of reception sources cell base station, and the ERAB sign corresponding according to the be removed business of carrying in the ERAB releasing request message, discharge corresponding resource, and it is professional to distribute to described change;
Source cell base station is set up request message for the evolution RAB ERAB that receives the change business of sending, and this is set up and carries the service quality QOS property parameters of newly setting up ERAB in the request message; According in the current area the active state of access service determine the business that can be removed; Send ERAB releasing request message to MME, carry in this ERAB releasing request message and can be removed professional corresponding ERAB sign.
7. system as claimed in claim 6 is characterized in that, described source cell base station according in the current area the active state of access service determine that the business that can be removed comprises:
Determine the evolution RAB ERAB that the cell-of-origin existing business can be removed according to the priority that change is professional;
Determine that the described ERAB that is removed is in the time of inactive Inactive state, and choose and be in the longest ERAB of inactive Inactive state time and deposit the pre-demolition service queue in as the business that can be removed;
Determine whether ERAB takies in the pre-demolition service queue resource enough satisfies the professional resource requirement of described change, if not then from residue ERAB, choose inactive the longest being put in the pre-demolition service queue of Inactive state time.
8. system as claimed in claim 7 is characterized in that, source cell base station determines in the current area that the active state of access service comprises:
Whether source cell base station cycle monitoring existing business has the data traffic of upstream or downstream in the one-period time, if having, determine that then this business is in the Active state that activates; If no, determine that then this business is in inactive Inactive state; Wherein, business is in the time of unactivated state for after determining that this business is unactivated state, and upstream or downstream do not have the duration of data traffic.
9. system as claimed in claim 6 is characterized in that, when current area can not admit described change service needed that described change business is switched to Target cell, this system also comprised target cell base station:
Described source cell base station also is used for sending handover request message to target cell base station, has carried the professional QOS property parameters of change in this handover request message;
Target cell base station is used for according to the definite business that can be removed of the active state of current area access service, and admits described change business after discharging the business of can being removed.
10. system as claimed in claim 7, it is characterized in that, when the unactivated state service needed activated, the evolution RAB ERAB that described source cell base station also is used for the described unactivated state business that receiving mobility management entity MME sends set up request message; According to the definite business that can be removed of the active state of the current access service in residential quarter, and after the resource that the dismountable business of release takies, activate the business of described unactivated state.
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| CN201110176978.XA CN102857969B (en) | 2011-06-28 | 2011-06-28 | A kind of jamming control method and system |
| PCT/CN2011/080501 WO2013000211A1 (en) | 2011-06-28 | 2011-09-30 | Method and system for congestion control |
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| CN201110176978.XA CN102857969B (en) | 2011-06-28 | 2011-06-28 | A kind of jamming control method and system |
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| US11452069B2 (en) | 2017-11-30 | 2022-09-20 | Huawei Technologies Co., Ltd. | Communication method and communications device |
| CN112823543A (en) * | 2018-08-08 | 2021-05-18 | 诺基亚技术有限公司 | Signaling improvements in conditional switching |
| CN112272389A (en) * | 2020-10-22 | 2021-01-26 | 广东邮电职业技术学院 | Terminal management method, terminal management system, computer device and storage medium |
| CN112272389B (en) * | 2020-10-22 | 2023-07-21 | 广东邮电职业技术学院 | Terminal management method, terminal management system, computer device and storage medium |
| CN114205918B (en) * | 2021-11-26 | 2023-05-16 | 山东浪潮科学研究院有限公司 | Method and device for adjusting non-activated state parameters, electronic equipment, medium and product |
| CN114205918A (en) * | 2021-11-26 | 2022-03-18 | 山东浪潮科学研究院有限公司 | Method and device for adjusting parameters of inactive state, electronic equipment, medium and product |
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| WO2013000211A1 (en) | 2013-01-03 |
| CN102857969B (en) | 2017-09-29 |
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