CN101959318A - Method and system for releasing radio resource - Google Patents
Method and system for releasing radio resource Download PDFInfo
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- CN101959318A CN101959318A CN2009100893941A CN200910089394A CN101959318A CN 101959318 A CN101959318 A CN 101959318A CN 2009100893941 A CN2009100893941 A CN 2009100893941A CN 200910089394 A CN200910089394 A CN 200910089394A CN 101959318 A CN101959318 A CN 101959318A
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- user
- data transmission
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- radio resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/38—Connection release triggered by timers
Abstract
The invention discloses a method for releasing a radio resource. The method comprises the following steps that: a mobile management entity (MME) acquires the user data transmission condition from a service gateway (SGW); and if judging that a user does not transmit data in certain time, the MME releases the radio resource of the user. The invention also correspondingly discloses a system for releasing the radio resource. A notification that whether the user transmits the data or not is transmitted to the MME through the SGW, so that the problem that as the MME cannot judge whether the user transmits the data or not in the EPS network, the user who does not use the service occupies a radio bearing resource for long time to greatly reduce the effective utilization rate of the radio resource is solved, and the effective utilization rate of the radio resource is improved.
Description
Technical field
(Evolved Packet System EPS), relates in particular to a kind of method and system that discharge Radio Resource among the EPS to the present invention relates to evolved packet system.
Background technology
Third generation partner program (3rd Generation Partnership Project, 3GPP) system of Ding Yi mobile wireless network of future generation is called EPS, Fig. 1 is in the prior art, the Organization Chart of GPRS network and EPS network, as shown in Figure 1, comprised following network element in existing GPRS network and the EPS network:
(Evolved Radio Access Network, E-RAN), E-RAN can provide higher up-downgoing speed to the wireless access network of evolution, lower transmission delay and reliable more wireless transmission.The network element that comprises among the E-RAN is that (Evolved NodeB eNodeB), is used to the access of terminal that Radio Resource is provided for the base station of evolution.
GSM EDGE Radio Access Network (Enhanced Data Rate for GSM Evolution RadioAccess Network, GREAN), i.e. 2G/2.5G Radio Access Network.
The UMTS Terrestrial radio access network network (Universal Mobile Telecommunications SystemTerrestrial Radio Access Network, UTRAN), i.e. 3G Radio Access Network.
(Home Subscriber Server HSS), is used for the permanent storage user contracting data to home subscriber server.
Packet Data Network (Packet Data Network, PDN), for the user provides professional network.
The Packet Based Network of evolution (E-Packet Core) has reduced delay, and allows more wireless access system to insert.Comprise following network element:
Mobile management entity (Mobility Management Entity, MME): the chain of command functional entity, the server of interim storaging user data, be in charge of and store UE context (such as the user ID of UE, mobility management states, user security parameters etc.), for the user distributes temporary mark, be to be responsible for this user is carried out authentication when UE quarters at this tracing area or this network; Handle all non-access layer informations between MME and the UE; Triggering is in the paging of EPS.
Gateway (SGW), this gateway are user entities, are responsible for the user face data route and handle, and termination is in the downlink data of the UE of idle condition.SAE carrying (bearer) context of management and storage UE is such as IP bearer service parameter and network internal routing iinformation etc.Be the anchor point of 3GPP internal system user face, a user can only have a Serving GW a moment;
Packet data network gateway (PDN GW) is responsible for the gateway that UE inserts PDN, and distributing user IP address is the mobility anchor point of 3GPP and non-3GPP connecting system simultaneously.The user can insert a plurality of PDN GW at synchronization.
Strategy and total are taken regulation function entity (Policy and Charging Rule Functionality, PCRF), this functional entity mainly produces service quality (Quality of Service, Qos) rule and the charging regulation of control user data delivery according to the configuration information of business information and user signing contract information and operator.This functional entity also can be controlled the foundation and the release of carrying in the Access Network.
Professional general packet wireless service support node (Serving GPRS Support Node, SGSN), mobile management node when UTRAN and GREAN insert, the server of interim storaging user data, be in charge of and store UE context (such as the user ID of UE, mobility management states, user security parameters etc.), for the user distributes temporary mark, when quartering at this Routing Area or this network, is responsible for UE this user is carried out authentication.
Forever online in order to realize in EPS, the process that activates a carrying has been joined in the attachment flow, promptly the user must activate a carrying, and should carrying exist always in case start is adhered to.It is that user's start is in a single day adhered to that the result of this process on Radio Resource embodies, and wireless side will be distributed bearing resource for the user, and no matter whether the user will use this resource, and take for a long time.
Because in actual applications, a large number of users may all be that start is adhered to, rather than need to use professional at once, therefore can occur not using the radio bearer resources situation that but takies for a long time in a large number, the effective rate of utilization of Radio Resource be reduced greatly, in addition, be responsible for the not responsible transfer of data of MME of bearer management among the EPS, therefore, MM itself can't make the accurate the judgement whether user has transfer of data, discharges thereby can not in time initiate Radio Resource.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system that discharge Radio Resource, can improve the effective rate of utilization of Radio Resource.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that discharges Radio Resource comprises:
Mobile management entity MME is obtained the user data transmission situation from gateway SGW;
MME judges that described user in the transmission of certain hour free of data, then discharges described user's radio resource.
Described MME obtains the user data transmission situation from SGW: SGW detects the user when the certain hour free of data is transmitted, and initiatively sends the long-time free of data transmission notice of user to MME.
Described MME receives from after the long-time free of data transmission notice of the user of SGW, also comprises step: return the long-time free of data transmission of user to SGW and reply.
Described MME obtains the user data transmission situation from SGW and is specially:
MME sends the user data transmission query requests to SGW;
After SGW receives described user data transmission query requests, obtain described user data transmission situation;
SGW returns the user data query response according to described user data transmission detection case to MME.
Described MME obtains the user data transmission situation from SGW and also comprises step before:
The user initiates attachment flow, registers in evolved packet system EPS network;
SGW is after the user adheres to, and transmission is monitored to user's data,
Described SGW is after the user adheres to, and transmission is monitored and is to user's data: SGW is after the user adheres to, and startup is used to detect this user timer whether long-time free of data is transmitted; And this timer of after whenever handling this user's a packet, resetting,
The timing length of described timer perhaps, is notified SGW by MME by the local definition of SGW when the user adheres to.
Described user's certain hour free of data is transmitted as: be used to detect this user timer expiry whether long-time free of data is transmitted.
A kind of system that discharges Radio Resource comprises: MME and SGW, MME comprise that user data transmission situation acquiring unit, Radio Resource discharge judging unit, Radio Resource releasing unit, wherein,
Described user data transmission situation acquiring unit is used for obtaining the user data transmission situation from SGW;
Described Radio Resource discharges judging unit, be used for the user data transmission situation obtained according to user data transmission situation acquiring unit, judge described user whether in the transmission of certain hour free of data, and the user when the certain hour free of data transmit, notify the Radio Resource releasing unit;
Described Radio Resource releasing unit is used for the notice according to Radio Resource release judging unit, discharges user's radio resource.
SGW comprises free of data transmission notice unit, is used for when user's certain hour free of data is transmitted, and sends the long-time free of data transmission notice of user to described user data transmission situation acquiring unit;
Described user data transmission situation acquiring unit also is used to receive the long-time free of data transmission notice from the user of free of data transmission notice unit.
Described user data transmission situation acquiring unit also is used for after receiving from the long-time free of data transmission notice of the user of free of data transmission notice unit, returns the long-time free of data transmission of user to free of data transmission notice unit and replys.
Described user data transmission situation acquiring unit also is used for sending the user data transmission query requests to SGW; And the user data query that receives from SGW responds;
SGW also comprises the user data query response unit, be used to receive described user data transmission query requests after, obtain described user data transmission situation, and return user data query response to user data transmission situation acquiring unit according to detection case.
SGW also comprises timing unit, be used for whether long-time free of data transmission detects to the user, and when timing was overtime, notice free of data transmission notice unit perhaps, returns the user data transmission situation to the user data query response unit.
The present invention discharges the method and system of Radio Resource, and MME obtains the user data transmission situation from SGW, then according to the user data transmission situation of being obtained, judges whether to initiate Radio Resource and discharges.Whether the present invention has data transmission notice to give MME the user by SGW, MME solved in the EPS network owing to can't judge whether the user has transfer of data, thereby cause not using professional user to take radio bearer resources for a long time, the problem that the effective rate of utilization of Radio Resource is reduced greatly, thus the effective rate of utilization of Radio Resource improved.
Description of drawings
Fig. 1 is in the prior art, the Organization Chart of EPS network;
Fig. 2 discharges the schematic flow sheet of the method for Radio Resource for the present invention;
Fig. 3 discharges the structural representation of the system of Radio Resource for the present invention;
Fig. 4 is the method flow schematic diagram that the embodiment of the invention 1 discharges Radio Resource;
Fig. 5 is the method flow schematic diagram that the embodiment of the invention 2 discharges Radio Resource.
Embodiment
Basic thought of the present invention is: MME obtains the user data transmission situation from SGW, then according to the user data transmission situation of being obtained, judges whether to initiate Radio Resource and discharges.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme.
Fig. 2 discharges the schematic flow sheet of the method for Radio Resource for the present invention, and as shown in Figure 2, the method that the present invention discharges Radio Resource generally comprises following steps:
Step 21:MME obtains the user data transmission situation from SGW.
Whether have the behavior of transfer of data, can be that SGW detects the user when the certain hour free of data is transmitted if triggering SGW notice MME user, proactive notification MME also can be to send out request message by MME, requires SGW to send user's data transmission situation.
For the situation of SGW proactive notification, operated by rotary motion is useful on and detects user's timer whether long-time free of data is transmitted among the SGW, and the timing length of this timer can perhaps, be notified SGW by MME by the local definition of SGW when the user adheres to.Handle user's a packet whenever SGW after, resetting is used to detect the whether timer of long-time free of data transmission of this user, be used to detect the user whether the timer expiry of long-time free of data transmission represent that promptly the user transmits in the certain hour free of data.
For sending out request message by MME, require SGW to send user's data transmission situation, data can be set on MME regularly inquire about timer, whenever these data are regularly inquired about timer expiry, send a request message to SGW, promptly MME periodically sends a request message; Also can be to want to revise or discharge the user, but uncertain this user send when whether transmitting situation such as data at MME.
Optionally, MME returns a confirmation to SGW after receiving the user data transmission situation of SGW transmission.
Whether step 22:MME judges this user in the transmission of certain hour free of data, if, execution in step 23; Otherwise flow process finishes.
This user's data transmission situation of proactive notification was given MME when SGW transmitted in user's certain hour free of data, can directly judge to discharge this user's radio resource.
Step 23:MME discharges described user's radio resource, and flow process finishes.
MME connects the release flow process by the S1 that initiates the user, discharges this user's radio resource.
Fig. 3 discharges the structural representation of the system of Radio Resource for the present invention, as shown in Figure 3, the system that the present invention discharges Radio Resource comprises: MME 31 and SGW 32, MME 31 comprises that user data transmission situation acquiring unit 311, Radio Resource discharge judging unit 312, Radio Resource releasing unit 313, wherein
User data transmission situation acquiring unit 311 is used for obtaining the user data transmission situation from SGW 32;
Radio Resource discharges judging unit 312, be used for the user data transmission situation obtained according to user data transmission situation acquiring unit 311, whether judge described user in the transmission of certain hour free of data, and when user's certain hour free of data is transmitted, notice Radio Resource releasing unit 313;
Radio Resource releasing unit 313 is used for the notice according to Radio Resource release judging unit 312, discharges user's radio resource.
SGW 32 comprises free of data transmission notice unit 321, is used for the user when the certain hour free of data is transmitted, and sends the long-time free of data transmission notice of user to user data transmission situation acquiring unit 311;
User data transmission situation acquiring unit 311 also is used to receive the long-time free of data transmission notice from the user of free of data transmission notice unit 321.
User data transmission situation acquiring unit 311 also is used for after receiving from the long-time free of data transmission notice of the user of free of data transmission notice unit 321, returns the long-time free of data transmission of user to free of data transmission notice unit 321 and replys.
User data transmission situation acquiring unit 311 also is used for sending the user data transmission query requests to SGW 32; And the user data query that receives from SGW 32 responds;
SGW 32 also comprises user data query response unit 322, after being used to receive described user data transmission query requests, obtain described user data transmission situation, and return the user data query response to user data transmission situation acquiring unit 311 according to detection case.
SGW also comprises timing unit 323, be used for whether long-time free of data transmission detects to the user, and when timing was overtime, notice free of data transmission notice unit 321 perhaps, returns the user data transmission situation to user data query response unit 322.
Embodiment 1
In the present embodiment, SGW proactive notification user's data transmission situation is given MME.
Fig. 4 is the method flow schematic diagram that the embodiment of the invention 1 discharges Radio Resource, as shown in Figure 4, when the embodiment of the invention 1 discharges Radio Resource, generally comprises following steps:
Step 41: the user initiates attachment flow, registers in the EPS network.
Step 42:SGW is after the user adheres to, and transmission is monitored to user's data.
SGW can start and is used to detect the whether timer of long-time free of data transmission of this user after the user adheres to, and this timer of resetting after whenever handling this user's a packet.The timing length of this timer can be the local definition of SGW, also can be that MME notifies SGW when the user adheres to.
Step 43: the long-time free of data transmission of this user, SGW sends the long-time free of data transmission notice of user to MME.
The long-time free of data transmission of user promptly is used to detect this user timer expiry whether long-time free of data is transmitted.
After step 44:MME receives the long-time free of data transmission notice of the user of SGW, to MME echo reply message.
The S1 that step 45:MME initiates this user connects the release flow process, discharges this user's radio resource.
Embodiment 2
In the present embodiment, MME is to SGW request user data transmission situation, and this user's data transmission situation that SGW returns is long-time free of data transmission.
Fig. 5 is the method flow schematic diagram that the embodiment of the invention 2 discharges Radio Resource, as shown in Figure 5, when the embodiment of the invention 2 discharges Radio Resource, generally comprises following steps:
Step 51: the user initiates attachment flow, registers in the EPS network.
Step 52:MME sends the user data transmission query requests to SGW.
Send the user data transmission query requests for MME to SGW, possible situation is: the data of the last setting of MME are regularly inquired about timer expiry, or MME thinks modification or discharge this user still whether uncertain this user is transmitting situations such as data.
Whether step 53:SGW detects this user transfer of data.
In the present embodiment, SGW still can start and is used to detect the whether timer of long-time free of data transmission of this user after the user adheres to, and this timer of resetting after whenever handling this user's a packet.This timer duration can be the local definition of SGW, also can be that MME notifies SGW when the user adheres to.After overtime, SGW assert the long-time free of data transmission of this user to the long-time free of data transmit timing of the user device that is provided with as SGW because never receive this user's data.
Step 54:SGW returns the user data query response according to the user data transmission detection case to MME.
In the present embodiment, carrying this user's data transmission situation in the user data query response is long-time free of data transmission.
The S1 that step 55:MME initiates this user connects the release flow process, discharges this user's radio resource.
Certainly, if this user of indication has transfer of data in the response that SGW returns, then MME does not carry out S1 connection release.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (11)
1. a method that discharges Radio Resource is characterized in that, this method comprises:
Mobile management entity MME is obtained the user data transmission situation from gateway SGW;
MME judges that described user in the transmission of certain hour free of data, then discharges described user's radio resource.
2. the method for release Radio Resource according to claim 1, it is characterized in that, described MME obtains the user data transmission situation from SGW: SGW detects the user when the certain hour free of data is transmitted, and initiatively sends the long-time free of data transmission notice of user to MME.
3. the method for release Radio Resource according to claim 2 is characterized in that, described MME receives from after the long-time free of data transmission notice of the user of SGW, also comprises step: return the long-time free of data transmission of user to SGW and reply.
4. the method for release Radio Resource according to claim 1 is characterized in that, described MME obtains the user data transmission situation from SGW and is specially:
MME sends the user data transmission query requests to SGW;
After SGW receives described user data transmission query requests, obtain described user data transmission situation;
SGW returns the user data query response according to described user data transmission detection case to MME.
5. according to the method for claim 2 or 3 described release Radio Resources, it is characterized in that described MME obtains the user data transmission situation from SGW and also comprises step before:
The user initiates attachment flow, registers in evolved packet system EPS network;
SGW is after the user adheres to, and transmission is monitored to user's data,
Described SGW is after the user adheres to, and transmission is monitored and is to user's data: SGW is after the user adheres to, and startup is used to detect this user timer whether long-time free of data is transmitted; And this timer of after whenever handling this user's a packet, resetting,
The timing length of described timer perhaps, is notified SGW by MME by the local definition of SGW when the user adheres to.
6. the method for release Radio Resource according to claim 5 is characterized in that, described user's certain hour free of data is transmitted as: be used to detect this user timer expiry whether long-time free of data is transmitted.
7. a system that discharges Radio Resource is characterized in that, this system comprises: MME and SGW, MME comprise that user data transmission situation acquiring unit, Radio Resource discharge judging unit, Radio Resource releasing unit, wherein,
Described user data transmission situation acquiring unit is used for obtaining the user data transmission situation from SGW;
Described Radio Resource discharges judging unit, be used for the user data transmission situation obtained according to user data transmission situation acquiring unit, judge described user whether in the transmission of certain hour free of data, and the user when the certain hour free of data transmit, notify the Radio Resource releasing unit;
Described Radio Resource releasing unit is used for the notice according to Radio Resource release judging unit, discharges user's radio resource.
8. the system of release Radio Resource according to claim 7, it is characterized in that, SGW comprises free of data transmission notice unit, is used for when user's certain hour free of data is transmitted, and sends the long-time free of data transmission notice of user to described user data transmission situation acquiring unit;
Described user data transmission situation acquiring unit also is used to receive the long-time free of data transmission notice from the user of free of data transmission notice unit.
9. the system of release Radio Resource according to claim 8, it is characterized in that, described user data transmission situation acquiring unit, also be used for after receiving, return the long-time free of data transmission of user to free of data transmission notice unit and reply from the long-time free of data transmission notice of the user of free of data transmission notice unit.
10. the system of release Radio Resource according to claim 7 is characterized in that, described user data transmission situation acquiring unit also is used for sending the user data transmission query requests to SGW; And the user data query that receives from SGW responds;
SGW also comprises the user data query response unit, be used to receive described user data transmission query requests after, obtain described user data transmission situation, and return user data query response to user data transmission situation acquiring unit according to detection case.
11. the system of release Radio Resource according to claim 7, it is characterized in that, SGW also comprises timing unit, be used for whether long-time free of data transmission detects to the user, and when timing is overtime, notice free of data transmission notice unit perhaps, returns the user data transmission situation to the user data query response unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100893941A CN101959318A (en) | 2009-07-16 | 2009-07-16 | Method and system for releasing radio resource |
| PCT/CN2009/075135 WO2011006325A1 (en) | 2009-07-16 | 2009-11-25 | Method and system for releasing radio resource |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100893941A CN101959318A (en) | 2009-07-16 | 2009-07-16 | Method and system for releasing radio resource |
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| CN101959318A true CN101959318A (en) | 2011-01-26 |
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| CN2009100893941A Pending CN101959318A (en) | 2009-07-16 | 2009-07-16 | Method and system for releasing radio resource |
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| WO (1) | WO2011006325A1 (en) |
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| CN103428734A (en) * | 2013-08-02 | 2013-12-04 | 杭州华三通信技术有限公司 | Method and device for optimizing network resources |
| WO2014131158A1 (en) * | 2013-02-27 | 2014-09-04 | Telefonaktiebolaget L M Ericsson (Publ) | Controlling resources of radio terminal in radio access node |
| WO2018121382A1 (en) * | 2016-12-30 | 2018-07-05 | 华为技术有限公司 | Connected state control method, device and system for terminal |
| CN109429236A (en) * | 2017-07-05 | 2019-03-05 | 普天信息技术有限公司 | A kind of method for managing resource and device of core net |
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| CN101039507B (en) * | 2006-03-14 | 2011-09-14 | 华为技术有限公司 | Method and apparatus for establishing and releasing tunnel in evolution network framework |
| CN101388828B (en) * | 2007-09-10 | 2011-07-13 | 电信科学技术研究院 | Method and device for bearing activation by evolution packet switching system |
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- 2009-11-25 WO PCT/CN2009/075135 patent/WO2011006325A1/en active Application Filing
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| CN101296496A (en) * | 2007-04-29 | 2008-10-29 | 中兴通讯股份有限公司 | Method for preventing false resource release in tracing section updating or switching course |
| CN101394580A (en) * | 2007-09-21 | 2009-03-25 | 大唐移动通信设备有限公司 | Method, apparatus, MME and communication system for EPS bearing management |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014131158A1 (en) * | 2013-02-27 | 2014-09-04 | Telefonaktiebolaget L M Ericsson (Publ) | Controlling resources of radio terminal in radio access node |
| CN103428734A (en) * | 2013-08-02 | 2013-12-04 | 杭州华三通信技术有限公司 | Method and device for optimizing network resources |
| WO2018121382A1 (en) * | 2016-12-30 | 2018-07-05 | 华为技术有限公司 | Connected state control method, device and system for terminal |
| CN108617034A (en) * | 2016-12-30 | 2018-10-02 | 华为技术有限公司 | Connected state control method, equipment and the system of terminal |
| CN108617034B (en) * | 2016-12-30 | 2021-02-23 | 华为技术有限公司 | Connection state control method, equipment and system for terminal |
| CN109429236A (en) * | 2017-07-05 | 2019-03-05 | 普天信息技术有限公司 | A kind of method for managing resource and device of core net |
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| Publication number | Publication date |
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| WO2011006325A1 (en) | 2011-01-20 |
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