CN102905326B - The method for releasing and system of a kind of user resources - Google Patents
The method for releasing and system of a kind of user resources Download PDFInfo
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- CN102905326B CN102905326B CN201110210860.4A CN201110210860A CN102905326B CN 102905326 B CN102905326 B CN 102905326B CN 201110210860 A CN201110210860 A CN 201110210860A CN 102905326 B CN102905326 B CN 102905326B
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- mme
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Abstract
The invention discloses a kind of method for releasing of user resources, including：The mobile management unit (MME) that via node (RN) is known as own services is restarted；The user equipment (UE) of RN notice accesses carries out cell reselection.The invention also discloses a kind of release system of user resources, by the present invention, access RN UE re-selecting cells after MME is restarted, can be enable to carry out business again after accessing.
Description
Technical field
The present invention relates to wireless relay system, the method for releasing and system of a kind of user resources are particularly related to.
Background technology
In order to keep 3-G (Generation Three mobile communication system) in the competitiveness of the communications field, third generation partner program (3GPP,
3rd Generation Partnership Project) standard working group be just directed to evolution grouping domain system (EPS,
Evolved Packet System) research.Fig. 1 is the system construction drawing of evolution packet network, as shown in figure 1, EPS
Main universal terrestrial access network (E-UTRAN, Evolved the Universal Terrestrial for including evolution
Radio Access Network) and evolution packet-based core networks (EPC, Evolved Packet Core) two parts.EPS systems
The EPC of system can support user from global system for mobile telecommunications (GSM, Global System of Mobile communication)
The evolution of strong type data rate GSM (EDGE, Enhanced Data Rate for GSM Evolution) wireless access network
(GERAN, GSM EDGE radio access network) and universal land radio access web (UTRAN, Universal
Terrestrial Radio Access Network) access.
In EPC networks, home subscriber data server (HSS, Home Subscriber Server), movement are contained
Property administrative unit (MME, Mobility Management Entity), gateway (SGW, Serving Gateway), packet
Data network gateway (PGW, PDN Gateway), service universal grouping wireless service (GPRS, General Packet Radio
Service) supporting node (SGSN, Serving GPRS Support Node) and strategy and charging regulation function entity
(PCRF, Policy and Charging Enforcement Function), wherein：
Home subscriber data server (HSS), it is the permanent storage place of user contracting data, positioned at returning for user's signing
Belong to net；
Mobility management entity (MME), it is storage place of the user contracting data in current network, is responsible for terminal to network
Non-access (NAS, Non-Access Stratum) layer signaling management, the tracking under user's idle pulley and paging management function
And bearer management；
Gateway, it is gateway of the core net to wireless system, user plane bearer, the terminal for being responsible for terminal to core net are empty
Function, lawful interception and the packet routing and forwarding capability of data buffer storage, network side initiating business request under not busy pattern；
Grouped data network gateway, it is the grouping domain system of evolution and the gateway of its exterior network, is responsible for terminal
The functions such as IP address distribution, billing function, packet packet filtering, strategy application.
Serving GPRS Support Node (SGSN), be GERAN and UTRAN users access EPC networks business support point, function
It is upper similar with MME, it is responsible for the functions such as location updating, paging management and the bearer management of user.
Strategy and charging regulation function entity (PCRF), it is responsible for providing policy control and charging regulation to PCEF.
In some scenarios, in order to expand wireless coverage, or provisional increase wirelessly provides the energy of accessing user
Power, introduce the concept of relaying (Relay) node.Fig. 2 is the network architecture schematic diagram introduced after via node, such as Fig. 2 institutes
Show, after via node is introduced, UE can carry out network insertion by via node, wherein：
Via node (RN, Relay Node), comprising two parts function, user equipment (UE) and base station (eNB).The sides of RN mono-
Network is accessed in face as UE, establishes the associative operations such as carrying, on the other hand provides access as eNB for UE.
Donor base station (DeNB, Donor eNodeB), wireless access is provided for RN, and the RN-UE that terminated (accesses as UE
RN) wireless heterogeneous networks (RRC, Radio Resource Control) signaling, terminate in DeNB S1 Application Protocol
(S1AP) signaling and X2 signalings.Simultaneously built-in RN-UE SGW and PGW.
When RN accesses as UE, corresponding enhancing function has been required for the MME and eNB that service is provided for RN-UE, because
This needs to ensure eNB (DeNB) and the MME (enhancing that the present invention selects when RN is accessed as UE that RN can choose enhancing
MME is referred to as RN-MME).Real network application in, MME may it is unstable due to system or upgrading cause to restart, when MME goes out
, it is necessary to notify connected eNB when now restarting, so that eNB can discharge resource in time, as shown in Figure 3.But when in network
After introducing RN, because RN is connected by DeNB with MME, when RN-MME is restarted, RN-MME notifies DeNB itself to send out
Life is restarted, and while DeNB discharges RN resources, RN, which can also discharge, accesses the UE resources of itself.What if UE was received is normally to release
Put information, UE can also carry out normal business by RN, but due in RN and DeNB the information about UE be all not present, because
This UE this business can not be normally carried out.
The content of the invention
In view of this, can be in RN- it is a primary object of the present invention to provide the method for releasing and system of a kind of user resources
After MME is restarted, access RN UE re-selecting cells are enable to carry out business again after accessing, the service request for avoiding UE from initiating
Failure.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The invention provides a kind of method for releasing of user resources, this method includes：
The mobile management unit (MME) that via node (RN) is known as own services is restarted；
The user equipment (UE) of RN notice accesses carries out cell reselection.
Wherein, the RN is known as the MME of own services and restarted, and is：
After the MME is restarted, the donor base station (DeNB) of the RN accesses is notified itself to restart；
After the DeNB knows that the MME is restarted, MME described in the RN is notified to restart.
After the MME is restarted, notify the DeNB itself to restart, be：The MME is restarted logical to DeNB transmissions
Know；The DeNB is restarted according to after MME is restarted described in Notification Validation, is returned to the MME and is restarted push-notification-answer.
After the DeNB knows that the MME is restarted, notify MME described in the RN to restart, be：
After restarting notice described in receiving, the DeNB sends wireless heterogeneous networks (RRC) Connection Release to the RN and disappeared
Breath；The MME that the RN carries according to the RRC connection release message restarts instruction and determines that the MME is restarted；Or
Receive it is described restart notice after, the DeNB restarts described notice and is transmitted to the RN；The RN according to
The GUMMEI for restarting the MME that notice carries of DeNB forwardings determines that the MME is restarted.
The UE of the RN notices access carries out cell reselection, is：
The RN closes Radio Resource, when the UE determines that the RN is unavailable, it is determined that carrying out cell reselection；Or
The RN sends RRC connection release message to the UE；The UE is according to the RRC connection release message received
In cell reselection instruction determine carry out cell reselection.
Present invention also offers a kind of release system of user resources, it is characterised in that the system includes：RN, it is described
The MME of the RN services and UE for accessing the RN, wherein：
The RN notifies the UE to carry out cell reselection after knowing that the MME is restarted.
Wherein, the system also includes：The DeNB of the RN accesses；
The MME, for after restart, notifying the DeNB itself to restart；
The DeNB, after knowing that the MME is restarted, MME described in the RN is notified to restart.
The MME, it is additionally operable to after restart, send to the DeNB and restart notice；
The DeNB, it is additionally operable to restart after MME is restarted described in Notification Validation according to, returns and weigh to the MME
Open push-notification-answer.
The DeNB, be additionally operable to receive it is described restart notice after, send RRC connection release message to the RN；Accordingly
, the RN is additionally operable to restart instruction according to the MME that the RRC connection release message carries and determines that the MME is restarted；
The DeNB, be additionally operable to receive it is described restart notice after, restart notice by described and be transmitted to the RN；Accordingly
, the RN, the GUMMEI for restarting the MME that notice carries for being additionally operable to be forwarded according to the DeNB determine the MME hairs
Life is restarted.
The RN, it is additionally operable to after it is determined that the MME restarts, closes Radio Resource；Or send RRC to the UE
Connection release message；
The UE, for the RN close Radio Resource after, when determining that the RN is unavailable, it is determined that carry out cell weight
Choosing；Or determine to carry out cell reselection for the cell reselection instruction in the RRC connection release message received.
The method for releasing and system of user resources of the present invention, when the MME that RN is known as own services is restarted, RN leads to
Know that the UE of access carries out cell reselection, rather than the UE resources of release access of the prior art, therefore, UE carries out cell reselection
Afterwards, business can be continued in new cell, ensure that the continuity of business.
Brief description of the drawings
Fig. 1 is the system structure diagram of evolution packet network；
Fig. 2 is the network architecture schematic diagram introduced after via node；
Fig. 3 is the flow chart that eNB is notified after MME is restarted；
Fig. 4 is the method for releasing schematic flow sheet of user resources of the present invention；
Fig. 5 is the method for releasing schematic flow sheet of user resources of the embodiment of the present invention.
Embodiment
The basic thought of the method for releasing of user resources of the present invention is, after DeNB detects that RN-MME is restarted, by what is restarted
RN-MME information is sent to RN；RN closes RN Radio Resource according to the MME information restarted or indicates that the UE gravity treatments of access are small
Area is attached.As shown in figure 4, the method for releasing of user resources of the present invention includes：
Step 401, RN is known as the MME of own services and restarted.
Specifically, the MME that RN is known as own services is restarted, it is：
After MME is restarted, the DeNB itself of notice RN accesses is restarted；
After DeNB knows that MME is restarted, the notice RN MME are restarted.
Wherein, after MME is restarted, notice DeNB itself is restarted, and is：MME is sent to DeNB restarts notice；DeNB according to
Restart after Notification Validation MME restarts, returned to MME and restart push-notification-answer.
After DeNB knows that the MME is restarted, notify MME described in the RN to restart, be：
Receive after restarting notice, DeNB sends RRC connection release message to RN；RN takes according to RRC connection release message
The MME of band restarts instruction and determines that MME is restarted；Or
Receive after restarting notice, DeNB will restart notice and be transmitted to RN；The notice of restarting that RN forwards according to DeNB carries
MME GUMMEI determine that MME is restarted.
Step 402, the UE of RN notices access carries out cell reselection.
Specifically, RN closes Radio Resource, when UE determines that RN is unavailable, it is determined that carrying out cell reselection；Or
RN sends RRC connection release message to UE；Cell reselection instructions of the UE in the RRC connection release message received
It is determined that carry out cell reselection.
For the ease of subsequent descriptions, in of the invention, the enhancing MME, as RN selected when RN is accessed into network as UE takes
The MME of business is referred to as RN-MME, then RN-MME provides service for RN.
Illustrate the solution of the present invention below by specific embodiment.
Fig. 5 show the flow for notifying user to discharge resource after RN-MME of the present invention is restarted, including：
Step 501, after RN-MME is restarted, RN-MME is sent to connected DeNB restarts notice；
Step 502, DeNB restarting after Notification Validation RN-MME restarts according to reception, DeNB returned to RN-MME restart it is logical
Know response.
Step 503, DeNB notifies RN RN-MME to restart, and can use the following two kinds mode：
Mode one, receive RN-MME transmission restart notice after, DeNB to access RN-MME RN (i.e. RN-MME is the RN
Service is provided) RRC connection release message is sent, the message carries RN-MME and restarts instruction, for notifying RN RN-MME that weight occurs
Open (step 503a)；
Mode two, receive RN-MME transmission restart notice after, DeNB to access RN-MME RN forwarding restarts notice,
This restarts the GUMMEI that the RN-MME restarted is carried in notice, and this GUMMEI is used to notify RN RN-MME to restart (step
Rapid 503b).
Step 504, RRC Connection Release confirmation messages (step 504a) are returned to DeNB for mode one, RN；
For mode two, RN returns to DeNB restarts push-notification-answer (step 504b).
Step 505, the RN-MME that RN carries according to RRC connection release message restarts instruction and determines that RN-MME is weighed
Open；Or the GUMMEI carried according to restarting in message determines that RN-MME is restarted, now, RN can use following two
In any one come notify UE carry out cell reselection：
Mode one, RN close Radio Resource, that is, stop the UE broadcast system messages as eNB to access, accordingly, UE recognizes
For RN unavailable (step 505a)；
Mode two, RN send RRC connection release message to the UE of access, and the message carries cell reselection instruction, is used for
Inform that UE carries out cell reselection (step 505b1)；UE returns to RRC Connection Release confirmation messages (step 505b2) to RN.Wherein,
What UE carried out that RN-MME in instruction and the step 503 of cell reselection restarts instruction can use identical indicated value, but expression
The different meanings.
Following step 506~508 is optional.
Step 506, DeNB determines that RN-MME restarts rear impacted UE, and to the MME (UE-MME) serviced for these UE
Send UE context release request messages；
Step 507, UE-MME sends UE context release order messages to DeNB；
Step 508, DeNB returns to UE context Release completes to UE-MME.
Step 509, UE has found when RN Radio Resource is unavailable or small in the RRC connection release message received
Area's gravity treatment instruction, carries out cell re-selection procedure.
After UE carries out cell reselection, business is can proceed with new cell, ensure that business continuance.
In order to realize the method for releasing of above-mentioned user resources, the invention provides a kind of release system of user resources, bag
Include：RN, the MME for RN services and the UE for accessing RN, wherein：
For RN after knowing that MME is restarted, notice UE carries out cell reselection.
Wherein, the system also includes：The DeNB of RN accesses；
MME, for after restart, the DeNB itself of notice RN accesses to be restarted；
DeNB, after knowing that MME is restarted, notice RN MME are restarted.
MME, it is additionally operable to after restart, send to DeNB and restart notice；
DeNB, it is additionally operable to, according to restarting after Notification Validation MME restarts, restart push-notification-answer to MME returns.
DeNB, after being additionally operable to receive and restarting notice, RRC connection release message is sent to RN；Accordingly, RN, it is additionally operable to
The MME carried according to RRC connection release message restarts instruction and determines that MME is restarted；
DeNB, after being additionally operable to receive and restarting notice, restart notice by described and be transmitted to RN；Accordingly, RN, it is additionally operable to root
Determine that MME is restarted according to the GUMMEI for restarting the MME that notice carries of DeNB forwardings.
RN, it is additionally operable to after it is determined that MME restarts, closes Radio Resource；Or send RRC Connection Releases to UE and disappear
Breath；
UE, for RN close Radio Resource after, when determining that RN is unavailable, it is determined that carry out cell reselection；Or for root
Determine to carry out cell reselection according to the cell reselection instruction in the RRC connection release message received.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. a kind of method for releasing of user resources, it is characterised in that this method includes：
The mobile management unit (MME) that via node (RN) is known as own services is restarted；Wherein, after the MME is restarted,
The donor base station (DeNB) of the RN accesses is notified itself to restart, after the DeNB knows that the MME is restarted, notice
MME described in the RN is restarted；
The user equipment (UE) of RN notice accesses carries out cell reselection.
2. the method for releasing of user resources according to claim 1, it is characterised in that
After the MME is restarted, notify the DeNB itself to restart, be：The MME is sent to the DeNB restarts notice；
The DeNB is restarted according to after MME is restarted described in Notification Validation, is returned to the MME and is restarted push-notification-answer.
3. the method for releasing of user resources according to claim 2, it is characterised in that the DeNB knows that the MME occurs
After restarting, notify MME described in the RN to restart, be：
After restarting notice described in receiving, the DeNB sends wireless heterogeneous networks (RRC) connection release message to the RN；Institute
State the MME that RN carries according to the RRC connection release message and restart instruction and determine that the MME is restarted；Or
Receive it is described restart notice after, the DeNB restarts described notice and is transmitted to the RN；The RN turns according to DeNB
The GUMMEI for restarting the MME that notice carries of hair determines that the MME is restarted.
4. the method for releasing of user resources according to claim 3, it is characterised in that the UE of the RN notices access carries out small
Area's gravity treatment, it is：
The RN closes Radio Resource, when the UE determines that the RN is unavailable, it is determined that carrying out cell reselection；Or
The RN sends RRC connection release message to the UE；The UE is according in the RRC connection release message received
Cell reselection instruction determines to carry out cell reselection.
5. the release system of a kind of user resources, it is characterised in that the system includes：RN, the MME for RN services, access
The DeNB of the UE of the RN and RN accesses, wherein：
The RN notifies the UE to carry out cell reselection after knowing that the MME is restarted；
The MME, for after restart, notifying the DeNB itself to restart；
The DeNB, after knowing that the MME is restarted, MME described in the RN is notified to restart.
6. the release system of user resources according to claim 5, it is characterised in that
The MME, it is additionally operable to after restart, send to the DeNB and restart notice；
The DeNB, it is additionally operable to restart after MME is restarted described in Notification Validation according to, restarts to MME returns logical
Know response.
7. the release system of user resources according to claim 6, it is characterised in that
The DeNB, be additionally operable to receive it is described restart notice after, send RRC connection release message to the RN；Accordingly, institute
RN is stated, is additionally operable to restart instruction according to the MME that the RRC connection release message carries and determines that the MME is restarted；
The DeNB, be additionally operable to receive it is described restart notice after, restart notice by described and be transmitted to the RN；Accordingly, institute
RN is stated, the GUMMEI for restarting the MME that notice carries for being additionally operable to forward according to the DeNB determines that weight occurs for the MME
Open.
8. the release system of user resources according to claim 7, it is characterised in that
The RN, it is additionally operable to after it is determined that the MME restarts, closes Radio Resource；Or send RRC connections to the UE
Release message；
The UE, for the RN close Radio Resource after, when determining that the RN is unavailable, it is determined that carry out cell reselection；Or
Person, determine to carry out cell reselection for the cell reselection instruction in the RRC connection release message received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210860.4A CN102905326B (en) | 2011-07-26 | 2011-07-26 | The method for releasing and system of a kind of user resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210860.4A CN102905326B (en) | 2011-07-26 | 2011-07-26 | The method for releasing and system of a kind of user resources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102905326A CN102905326A (en) | 2013-01-30 |
| CN102905326B true CN102905326B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110210860.4A Expired - Fee Related CN102905326B (en) | 2011-07-26 | 2011-07-26 | The method for releasing and system of a kind of user resources |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052206B (en) * | 2006-04-04 | 2010-09-29 | 华为技术有限公司 | Mobile terminal network attaching method |
| CN101355793B (en) * | 2007-07-27 | 2011-08-31 | 华为技术有限公司 | Method and apparatus for recognizing user equipment as well as method for transferring and distributing temporary mark |
| CN101911797A (en) * | 2007-11-05 | 2010-12-08 | 诺基亚公司 | Method and apparatus for providing cell re-selection |
| EP2382816B1 (en) * | 2009-01-09 | 2012-12-19 | Telefonaktiebolaget L M Ericsson (publ) | Method and arrangement for load balancing in a wireless communication system |
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| CN102905326A (en) | 2013-01-30 |
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Granted publication date: 20171117 Termination date: 20190726 |