CN101621786B - Method, device and system for bearer update - Google Patents
Method, device and system for bearer update Download PDFInfo
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- CN101621786B CN101621786B CN 200810068180 CN200810068180A CN101621786B CN 101621786 B CN101621786 B CN 101621786B CN 200810068180 CN200810068180 CN 200810068180 CN 200810068180 A CN200810068180 A CN 200810068180A CN 101621786 B CN101621786 B CN 101621786B
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Abstract
The invention discloses a method, a device and a system for bearer update. The method comprises the following steps: saving a bearer parameter needing to be updated in a current bearer update if determining user equipment cannot be paged, and informing the user equipment of the saved bearer parameter if determining the user equipment can be re-paged; or rejecting the bearer update if determining the user equipment cannot be paged, and informing the user equipment of a current bearer parameter on a network side in a re-initiated bearer update flow if determining the user equipment can be re-paged. Obviously, the method, the device and the system realize that the user equipment is timely informed of the bearer parameter needing to be updated on the network side after determining the user equipment can be re-paged.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of methods, devices and systems of bearer update.
Background technology
3GPP is in order to strengthen the competitiveness of future network, studying a kind of brand-new evolvement network, its system architecture diagram as shown in Figure 1, UMTS (the Universal Mobile Telecommunications System that comprises evolution, Universal Mobile Telecommunications System) land radio access web (E-UTRAN, Evolved UMTS Terrestrial Radio Access Network), be used for realizing all and the wireless relevant function of evolvement network; Mobility Management Entity (MME, Mobility Management Entity) is responsible for the mobile management of chain of command, comprises the management of user's context and mobile status, distributing user temporary identity sign etc.; Service gateway entity (SGW, Serving Gateway) is the user's face anchor point between different access networks in the 3GPP, the interface of the inner different access networks of shielding 3GPP; Grouped data network gateway entity (PGW, Packet Data Network Gateway) is user's face anchor point between 3GPP access network and the non-3 GPP access network network, interface with external packet data network (PDN, Packet DataNetwork)."Policy and Charging Rules Function entity (PCRF, Policy and Charging Rule Function) is used for policy control decision and flow based charging control function.Home network server (HSS, Home Subscriber Server) is used for storing user subscription information.UE (UE, User Equipment) is subscriber equipment.
UMTS Terrestrial radio access network (UTRAN, UMTS Terrestrial Radio Access Network), GSM EDGE Radio Access Network (GERAN, GSM/EDGE Radio Access Network), be used for realizing all and the wireless relevant function of existing GPRS/UMTS network.Service universal grouping wireless business supporting node (SGSN, Serving GPRS Supporting Node) is used for realizing the functions such as GPRS/UMTS network routing forwarding, mobile management, session management and user profile storage.
Need to prove, above-mentioned framework does not also mean that final SAE system architecture, final framework may with this framework difference to some extent, be not restricted here.
At present in the bearer update flow process that network side is initiated, UE for Idle state, Mobility Management Entity needs paging UE, by setting up QoS (the Quality of Service after connection between UE and the core net will be upgraded, service quality) connection of crossing after the foundation of parameter, TFT (Traffic flow Template, Business Stream masterplate) information exchange sends to UE.No matter at LTE (long time evolution, Long Term Evolution) network or 2G, 3G network, the Mobility Management Entity in each network all adopts qos parameter, the TFT information after said method will upgrade to send UE to.
Yet, if carry out CSFB UE can't paging during to UE at the network side that carrying is hung up or other reason causes of EUTRAN network when professional owing to UE temporarily runs out of the poor signal of the area of coverage, network or UE or return back to circuit domain, can cause in the bearing modification flow process, can't send QoS or the TFT information after upgrading to UE.
Summary of the invention
Main purpose of the present invention is to provide a kind of methods, devices and systems of bearer update, to realize notifying subscriber equipment with the bearing parameter that network side need to upgrade.
In order to realize purpose of the present invention, embodiments of the invention provide following technical scheme:
A kind of method of bearer update comprises:
After receiving the first bearer update request, initiate the paging to subscriber equipment, if determine and paging to arrive described subscriber equipment, return the response message of described the first bearer update request of refusal;
Determining that again paging during for equipment, sends the notice of initiating new bearer update flow process, so that the bearing parameter that network side is current is notified to described subscriber equipment in described new bearer update flow process to described;
Described definite again paging comprises to described subscriber equipment:
Determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, tracing section updating request message, Routing Area Update request message, grouped data network PDN connect sets up request message, perhaps bearing resource allocation request message.
A kind of device of carrying out bearer update comprises:
Paging unit is used for the first bearer update request that receives, and initiates the paging to subscriber equipment;
The second processing unit, being used for can't paging during to described subscriber equipment in definite described paging unit, returns the response message of refusing described the first bearer update request;
Determining unit is used for determining whether that again paging is to described subscriber equipment;
Indicating member is used for sending the notice of initiating new bearer update flow process when described determining unit is determined again paging to described subscriber equipment;
The second notification unit is used for notifying to described subscriber equipment at the described new bearer update flow process bearing parameter that network side is current;
Described definite again paging comprises to described subscriber equipment:
Determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, tracing section updating request message, Routing Area Update request message, grouped data network PDN connect sets up request message, perhaps bearing resource allocation request message.
A kind of communication system comprises: initiate the device of bearer update and the device of execution bearer update;
The device of described execution bearer update, be used for the first bearer update request that receives, initiation is to the paging of subscriber equipment, can't paging arrive described subscriber equipment if determine, return the response message of described the first bearer update request of refusal, determine whether that again paging is to described subscriber equipment, when determining again paging to described equipment, device to described initiation bearer update sends the notice of initiating new bearer update flow process, described definite again paging comprises to described subscriber equipment: determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, the tracing section updating request message, the Routing Area Update request message, the grouped data network PDN connects sets up request message, perhaps bearing resource allocation request message;
The device of described initiation bearer update is for the notice of the new bearer update flow process of the initiation that the device that receives described execution bearer update sends, notice according to the new bearer update flow process of described initiation is initiated new bearer update flow process, so that the device of described execution bearer update bearing parameter that network side is current in described new bearer update flow process is notified to described subscriber equipment.
Mobility Management Entity among the embodiment provided by the invention is determine can't paging during to described subscriber equipment, preserve and need the bearing parameter that upgrades in the current bearer update, when determining again paging to subscriber equipment, the bearing parameter of preserving is notified to subscriber equipment; Perhaps determine can't paging during to subscriber equipment, refuse this bearer update, determining again paging behind described subscriber equipment, the bearing parameter that network side is current is notified to subscriber equipment in the bearer update flow process of again initiating.As seen, the embodiment of the invention has realized that the bearing parameter that in time network side need to be upgraded is notified subscriber equipment after determining that described subscriber equipment is arrived in again paging.
Description of drawings
Fig. 1 is the system architecture diagram of evolvement network in the prior art;
Fig. 2 is the schematic flow sheet of the inventive method embodiment one;
Fig. 3 is the schematic flow sheet of the inventive method embodiment two;
Fig. 4 is the schematic flow sheet of the inventive method embodiment three;
Fig. 5 is the schematic flow sheet of the inventive method embodiment four;
Fig. 6 is the schematic flow sheet of the inventive method embodiment five;
Fig. 7 is the schematic flow sheet of the inventive method embodiment six;
Fig. 8 is the schematic flow sheet of the inventive method embodiment seven;
Fig. 9 is the composition frame chart of apparatus of the present invention embodiment one;
Figure 10 is the composition frame chart of apparatus of the present invention embodiment two;
Figure 11 is the composition frame chart of apparatus of the present invention embodiment three;
Figure 12 is the composition frame chart of system embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, embodiments of the invention are further elaborated.
The inventive method embodiment one, such as Fig. 2, the present embodiment one is with EPS (Evolved Packet System, the grouping system of evolution) the bearer update flow process is example in, wherein network side paging includes but not limited to that less than the situation of UE following several scene: UE runs out of the area of coverage, network or UE poor signal, CSFB service bearer or UE and hangs up, and the bearer update flow process comprises in the present embodiment one:
Step S201:PCRF initiates bearer update, send bearer update message to PGW (PDN GW), carry the bearing parameter that needs renewal in this message, described bearing parameter comprises: uplink service flow template ULTFT parameter or qos parameter, also can carry UL TFT parameter and qos parameter simultaneously; Bearer update also may be initiated or HSS initiates by PGW, and the embodiment of the invention is not restricted the bearer update promoter, and the present embodiment one is initiated as example with PCRF;
Step S202:PGW sends the bearer update request to SGW (Serving GW), carry UL TFT parameter and/or qos parameter, EPS carrying ID (EPS Bearer Identity), PTI (Procedure Transaction Id, process identifier) etc. in the bearer update request message;
Step S203:SGW sends the bearer update request to MME, carries PTI, EPS Bearer Identity, UL TFT and/or QoS, downlink data flow template DL TFT in the message;
After step S204:MME receives the bearer update request message, if UE is in the Idle state, with regard to paging UE, if paging is less than UE, at this moment, MME can accept the bearer update request also can refuse this bearer update request, if MME accepts the bearer update flow process, then the processing mode of MME is: MME preserves needs the QoS and/or the UL TFT that upgrade in this bearer update, simultaneously also can self arrange that the bearer update sign identifies QoS and/or UL TFT needs to upgrade that (described bearer update sign needs to upgrade in order to identify bearing parameter, comprise QoS bearer update sign, UL TFT bearer update sign, perhaps QoS and ULTFT bearer update sign, follow-uply determine that according to this bearer update sign needs carry out bearer update, this bearer update sign can certainly be set, give tacit consent to the configuration that when paging is to UE again, also needs to carry out bearer update at MME and also can realize identical effect), and send and to accept the bearer update response message to SGW, carry EPS carrying ID in this bearer update response message;
If MME refuses this bearer update request, MME need to send to the initiator of new bearer update the notice of initiating new bearer update, in new bearer update, to notify UE with the bearing parameter of network side, MME sends this notice can be when determining again paging to UE, the initiator of new bearer update receives that this notice namely initiates new bearer update, MME also can send this notice when this refuses bearer update, when initiate new bearer update by initiator's decision of new bearer update; Concrete processing mode comprises: one, MME can self arrange the bearer update sign (when MME determines again paging to UE, according to the initiator of this bearer update sign to new bearer update, for example SGW or PGW, send the notification message of initiating new bearer update, this bearer update sign can certainly be set, be configured also at MME and can realize identical effect), and send the response message of refusal bearer update to SGW or PGW, they are two years old, MME directly sends the response message of refusal bearer update to SGW, and the notice of in this refusal bearer update response message, carrying the new bearer update of initiation, the notice of the bearer update that described initiation is new specifically can be embodied by reason or the operation indication of refusal bearer update, for example carry Action Type or other indicated values, after PGW or SGW receive this notice, can know can paging during to UE follow-up, again initiate new bearer update flow process according to this Reason For Denial value or operation indication, certainly, PGW or SGW also can initiate new bearer update immediately after receiving this notice, when trigger the new bearer update of initiation and decided in its sole discretion by PGW or SGW; EPS carrying ID is carried in the refusal bearer update request response that above-mentioned MME sends equally;
Step S205:SGW sends the bearer update response message to PGW, carry EPS carrying ID in the message, if this bearer update response message is the response message of refusal bearer update, then also carry concrete reason value or the operation indication of refusal in the response message of this refusal bearer update;
Step S206: if this bearer update is caused by PCRF distributing policy charging control PCC rule, whether then PGW will notify the bearer update of its initiation of PCRF to finish, namely notify the PCRF PCC rule that it issues to be performed.
Embodiment of the method one of the present invention has been described MME in paging during less than the UE of Idle state, MME accepts or refuses the method for bearer update, need to preserve the bearing parameter that needs renewal when MME accepts bearer update in the method, follow-up can paging during to UE, the bearing parameter of the needs renewal that MME initiatively will preserve sends UE to; During MME refusal bearer update, MME can directly carry Reason For Denial value or operation indication in the response of refusal bearer update, so that follow-up PGW or SGW initiate the bearer update flow process again according to this Reason For Denial value and operation indication, MME also can follow-up can paging during to UE, send the notification message of initiating new bearer update to PGW or SGW, PGW or SGW initiate new bearer update flow process again according to this notification message, thereby so that UE need to obtain the bearing parameter of renewal.The method of bearer update when the embodiment of the invention one is applicable to the SGSN paging equally less than UE.
Need to prove, above-mentioned MME or SGSN self are arranging the bearer update sign or are preserving the bearing parameter that needs renewal, those skilled in the art also can adopt other replacement scheme to implement the present invention, for example with bearer update sign and the bearing parameter setting of need upgrading or be kept in other network element the bearing parameter that MME or SGSN obtain bearer update sign and need to upgrade to this network element inquiry.
The inventive method embodiment two, such as Fig. 3, the application scenarios of the embodiment of the invention two is in the initial bearer update flow process in the embodiment of the invention one, MME or SGSN have accepted bearer update and self have been provided with the bearer update sign and are preserving the bearing parameter that needs renewal, after UE entered that network coverage area is concurrent and takes the affair request message, the flow process of the bearing parameter that MME notice UE need to upgrade comprised:
Step S301:UE enters network coverage area, UE sends service request information Service Request to eNodeB (the Evolved Node Base of Access Network side, evolution base station) or RNC (Radio Network Controller, radio network controller), carry user ID in the message;
User ID in the service request that step S302:eNodeB or RNC carry according to UE is determined to serve MME or the SGSN of UE and is transmitted this service request information;
Step S303:MME or SGSN carry out verification process to UE, and this flow process is prior art, at this in detail its specific implementation is not described in detail;
Step S304:MME or SGSN determine that according to the service request information that receives again paging (is understandable that to UE, MME or SGSN determine can paging can be according to any a piece of news that comes from UE that receives to UE, for guaranteeing to notify the promptness to the UE bearing parameter, MME or SGSN can determine when receiving article one message that comes from UE that again paging is to UE, namely start the subsequent notification flow process), MME or SGSN again according to before the bearer update sign that arranges judge that the QoS of UE and/or the UL TFT needs that change carry out bearer update, then the bearing parameter that upgrades of the needs that will preserve of MME or SGSN is (if UE has the GERAN/UTRAN ability, then MME or SGSN are mapped as QoS model in 2G or the 3G network with the QoS of record, R99QoS Profile for example, with the QoS of R99 QoS as the need renewal), be encapsulated in Non-Access Stratum container NAS Container, simultaneously, described NAS Container is carried at initial context to be set up in the request message (Initial Context Setup Request) and sends to the Access Network side, the carrying of notice Access Network side activating, simultaneously, set up the address Serving GW address that also carries gateway in the request message at described initial context, safe context, the information such as MME signaling connection identifier;
Step S305:eNodeB or RNC initiate the radio bearer Establishing process, in this flow process, carry and inform that the carrying of UE non-voice recovers, up route is got through, the user can send upstream data, simultaneously with the NAS Container cell that sends among the above-mentioned steps S304 at radio bearer Establishing process repeating to UE;
Step S306: the user sends upstream data to SGW and PGW;
Step S307:eNodeB or RNC send initial context foundation and finish message Initial Context Setup Complete to MME or SGSN, MME or SGSN can also remove the bearer update sign this moment, certainly, also can behind step S304, namely remove the bearer update sign;
Step S308:MME or SGSN send bearer update request message Update Bearer Request to SGW;
After step S309:SGW received the bearer update request message, comparison wireless access type RAT Type last time and this RAT Type if change, then needed to notify the up-to-date RAT Type of PGW;
Step S310:PGW and PCRF are mutual, revise IP CAN (IP connects Access Network) session;
Step S311:PGW sends bearer update response message Update Bearer Response to SGW;
Step S312:SGW sends bearer update response message Update Bearer Response to MME or SGSN.
The inventive method embodiment two is after UE enters network coverage area, MME or SGSN receive when determining again paging to UE after the Service Request message, the bearing parameter that the needs of preserving are upgraded, being carried at initial context such as QoS and/or UL TFT sets up and notifies UE in the request message, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
The inventive method implements three, as shown in Figure 4, the application scenarios of the embodiment of the invention three is with embodiment two, and difference is, trigger timing is that UE initiates tracking area or Routing Area Update request, and the flow process of the bearing parameter that MME or SGSN notice UE need to upgrade in the present embodiment comprises:
Step S401: subscriber equipment is to a new TA district (Tracking Area, tracking area) or RA district (Routing Area, Route Area), subscriber equipment is initiated TAU (Tracking Area Update, the tracing section updating request) or RAU (Routing Area Update, Routing Area Update request) request to Access Network;
Step S402: Access Network (eNodeB or RNC) sends to serving MME or SGSN with TAU request or the RAU request that UE sends;
Step S403:MME or SGSN know that according to the TAU request message that UE sends UE has entered the area of coverage, again paging is to UE, again according to before the bearer update sign that arranges judge that the QoS of UE and/or the UL TFT needs that change carry out bearer update, then the bearing parameter that upgrades of the needs that will note down of MME or SGSN is (if UE has the GERAN/UTRAN ability, then MME or SGSN are mapped as R99 QoS Profile with the QoS of record, the QoS that R99QoS is upgraded as need), be encapsulated in that tracing section updating is accepted message TAU Accept or Routing Area Update is accepted among the message RAU Accept;
Step S404:MME or SGSN transmission TAU Accept or RAU Accept message are to UE, and QoS and/or UL TFT that described TAU Accept or RAU Accept message are carried the needs renewal of MME or SGSN record simultaneously, remove the bearer update sign;
Step S405:UE response tracing section updating finishes message TAU Complete or Routing Area Update is finished message RAU Complete message to MME or SGSN.
The inventive method embodiment three determines after UE initiates TAU or RAU request message that when MME or SGSN receive again paging is to UE, the bearing parameter that the needs of preserving are upgraded is carried in TAUAccept or the RAU Accept message notifies UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
The inventive method embodiment four, and as shown in Figure 5, the application scenarios of this enforcement four is with embodiment two, and difference is, the flow process of the bearing parameter that MME or SGSN notice UE need to upgrade in the present embodiment comprises:
Step S501:UE sends service request information Service Request to eNodeB or RNC, carries user ID in the message;
User ID in the service request that step S502:eNodeB or RNC carry according to UE is known MME or the SGSN of service UE and is transmitted this service request information;
Step S503:MME or SGSN determine that according to the service request information that receives again paging is to UE, again according to before the bearer update sign that arranges judge that the QoS of UE and/or the UL TFT needs that change carry out bearer update, then the bearing parameter that upgrades of the needs that will preserve of MME or SGSN is (if UE has the GERAN/UTRAN ability, then MME or SGSN are mapped as R99 QoS Profile with the QoS of record, the QoS that R99 QoS is upgraded as need) be carried at newly-increased information and give information and send to UE among the Information Provide; This step can be carried out any opportunity after step S502, and the present embodiment does not limit; The present embodiment receives trigger notice flow process after the service request information with MME or SGSN, certainly, also can i.e. transmission information give information after receiving any message that UE sends, and MME or SGSN can also remove the bearer update sign this moment.
Step S504:MME or SGSN carry out verification process to UE;
Step S505:MME or SGSN send Initial Context Setup Request message to the Access Network side, carry the gateway address in this message, safe context, MME signaling connection identifier, the activation carrying that notice Access Network side activating is all;
Step S506: the eNodeB of Access Network side or RNC initiate the radio bearer Establishing process, carry in this flow process and inform that the carrying of UE non-voice recovers, and up route is got through, and the user can send upstream data;
Step S507: the user sends upstream data to SGW and PGW;
Step S508:eNodeB or RNC send initial context foundation and finish message Initial Context Setup Complete to MME or SGSN;
Step S509:MME or SGSN send bearer update request message Update Bearer Request to SGW;
After step S510:SGW received the bearer update request message, comparison RAT Type last time and current RAT Type if change, then needed to notify the up-to-date RAT Type of PGW;
Step S511:PGW and PCRF are mutual, revise IP CAN session;
Step S512:PGW sends bearer update response message Update Bearer Response to SGW;
Step S513:SGW sends bearer update response message Update Bearer Response to MME or SGSN.
When the inventive method embodiment four MME or SGSN receive the definite again paging of Service Request message to UE, the bearing parameter that the needs of preserving are upgraded is carried at the newly-increased information middle notice UE that gives information, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
The inventive method embodiment five, as shown in Figure 6, the application scenarios of the present embodiment five is in the initial bearer update flow process in the embodiment of the invention one, MME or SGSN have refused bearer update and self have been provided with the bearer update sign, cooperate the notice UE bearing parameter that need to upgrade with PGW as example take MME, and its flow process comprises:
Step S601: subscriber equipment is to a new TA district, and subscriber equipment is initiated TAU asks to eNodeB;
Step S602:eNodeB sends to serving MME with the TAU request that UE sends;
Step S603:MME knows that according to the TAU request message that UE sends UE has entered the area of coverage, and definite again paging is to UE, and again according to the bearer update sign that arranges before, transmission is initiated the notification message of bearer update to SGW; Above-mentioned MME knows that UE enters the area of coverage, not only can be known by the TAU request that UE sends, and can also know in the request message (connecting the request of foundation, Service Request message etc. such as PDN) by other UE transmissions;
Step S604:SGW is transmitted to PGW with this notification message, and notice PGW initiates the bearer update flow process;
After step S605:PGW receives this notification message, can obtain alternately the PCC rule with PCRF, also can utilize the PCC rule of local configuration to initiate the bearer update flow process, in the new bearer update flow process of initiating, MME brings UE with the current up-to-date QoS of network side and/or UL TFT parameter, MME removes the bearer update sign simultaneously, removes the bearer update sign and also can carry out in step S603; In the present embodiment, if UE has the GERAN/UTRAN ability, then MME need to be mapped as R99 QoS Profile with up-to-date EPS carrying QoS, brings UE with R99 QoS as up-to-date QoS;
Step S606:MME sends tracing section updating and accepts message TAU Accept to UE;
Step S607:UE responds tracing section updating and finishes TAU Complete message to MME.
Need to prove, above-mentioned steps S603-S605 can know at MME and carry out any opportunity after UE enters the area of coverage, and step S606-S607 also can carry out before step S603-S605.
The inventive method embodiment five is with the example that is treated to of MME and PGW, when determining again paging to UE, MME sends the notification message of initiating bearer update, PGW initiates the bearer update flow process according to this notification message, thereby the QoS that network side is current and/or UL TFT notice UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system; The processing of SGSN and PGW is similar to the present embodiment, does not repeat them here.
The inventive method embodiment six, and as shown in Figure 7, the application scenarios of the present embodiment six is with embodiment five, cooperate bearing parameter that notice UE need to upgrade with SGW as example take MME, and its flow process comprises:
Step S701: subscriber equipment is to a new TA district, and subscriber equipment is initiated TAU asks to eNodeB;
Step S702:eNodeB sends to serving MME with the TAU request that UE sends;
Step S703:MME knows that according to the TAU request message that UE sends UE has entered the area of coverage, and definite again paging is to UE, and again according to the bearer update sign that arranges before, transmission is initiated the notification message of bearer update to SGW; Above-mentioned MME knows that UE enters the area of coverage, not only can be known by the TAU request that UE sends, and can also know in the request message (connecting the request of foundation, Service Request message etc. such as PDN) by other UE transmissions;
After step S704:SGW receives this notification message, initiate the bearer update flow process, in the new bearer update flow process of initiating, MME brings UE with the current up-to-date QoS of network side and/or UL TFT parameter, MME can remove the bearer update sign simultaneously, removes the bearer update sign and also can carry out in step S703; In the present embodiment, if UE has the GERAN/UTRAN ability, then MME need to be mapped as R99 QoS Profile with up-to-date EPS carrying QoS, brings UE with R99QoS as up-to-date QoS; Wherein, the mode that SGW obtains up-to-date QoS or UL TFT parameter is not restricted, and can be handed down to SGW by PGW, also can be by PCRF by PGW with QoS or UL TFT rule downloading to SGW;
Step S705:MME sends tracing section updating and accepts message TAU Accept to UE;
Step S706:UE responds tracing section updating and finishes TAU Complete message to MME.
Need to prove, above-mentioned steps S703-S704 can know at MME and carry out any opportunity after UE enters the area of coverage, and step S705-S706 also can carry out before step S703-S704.
The inventive method embodiment six is with the example that is treated to of MME and SGW, MME is known that UE enters and is sent the notification message of initiating bearer update behind the area of coverage, SGW initiates the bearer update flow process according to this notification message, thereby with up-to-date QoS and/or UL TFT notice UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system; The processing of SGSN and SGW is similar to the present embodiment, does not repeat them here.
The inventive method embodiment seven, as shown in Figure 8, the application scenarios of the embodiment of the invention seven is in the initial bearer update flow process in the embodiment of the invention one, MME or SGSN have refused bearer update and have sent the notice of initiating new bearer update to SGW or PGW, and the flow process that PGW initiates bearer update according to this notice comprises:
Step S801:UE initiates PDN and connects the request of foundation to eNodeB;
Step S802:eNodeB transmits PDN to MME and connects the request of foundation;
Step S803:MME sends the default bearer request that creates to SGW;
Step S804:SGW transmits the default bearer request that creates to PGW;
Step S805:PGW receives the default bearer request that creates, determine that again paging is to UE (this message is article one message from UE of the message flow of UE initiation), notice according to the new bearer update of the initiation of the MME transmission that receives before, namely refuse reason ActionType or the operation indication of the refusal bearer update that carries in the bearer update request response, initiate new bearer update flow process, in the new bearer update flow process of initiating, MME brings UE with the current up-to-date QoS of network side and/or UL TFT parameter;
Step S806:PGW sends to SGW and creates the default bearer response message, and expression creates and carries successfully;
Step S807:SGW transmits to MME and creates the default bearer response message;
Step S808:MME transmission PDN connects and accepts message, and UE receives this message.
The inventive method implements sharp seven, when PGW determines again paging to UE, according to the Reason For Denial value that receives before or operation indication, initiate new bearer update flow process, thereby with up-to-date QoS and/or UL TFT notice UE, so that UE need can in time to obtain the bearing parameter that upgrades, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system; When the present embodiment is determined again paging to UE with PGW, initiate new bearer update flow process, PGW just initiates new bearing modification flow process in the time of also can waiting again paging to be determined to UE, namely initiate can to realize purpose of the present invention too after notified; The present embodiment seven is initiated bearer update as example take PGW, also can initiate bearer update by SGW among other embodiment, and embodiment repeats no more.
Apparatus of the present invention embodiment one, and as shown in Figure 9, a kind of device of carrying out bearer update that the embodiment of the invention provides comprises:
Paging unit 90 is used for the first bearer update request that receives, and initiates the paging to subscriber equipment;
The first processing unit 92, being used for can't paging during to described subscriber equipment in definite described paging unit 90, and preserving needs the bearing parameter that upgrades in described the first bearer update, return the response message of described the first bearer update request of acceptance;
Determining unit 94 is used for determining whether that again paging is to described subscriber equipment;
The first notification unit 96 is used for when described determining unit 94 is determined again pagings to described subscriber equipment, and the bearing parameter that needs to upgrade in the first bearer update that described the first processing unit 92 is preserved is notified to described subscriber equipment.
Setting unit 98, being used for can't paging during to described subscriber equipment in definite described paging unit 90, and the bearer update sign is set, and wherein, described bearer update sign needs renewal in order to identify bearing parameter; Described the first notification unit 96, when described determining unit 94 is determined again paging to described subscriber equipment, further determine that according to the bearer update sign in the described setting unit 98 needs carry out bearer update, the bearing parameter that needs in described the first bearer update to upgrade is notified to described subscriber equipment, and removed the bearer update sign.
In the present embodiment, described device is specially Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN, but, the present invention specifically is not limited to described network element, and those skilled in the art can also be integrated in without the function that creative work is realized apparatus of the present invention embodiment in other network element of communication system.
The device of the execution bearer update that the present embodiment provides is when determining again paging to UE, the bearing parameter that the needs of preserving are upgraded, such as QoS and/or UL TFT notice UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
Apparatus of the present invention embodiment two, and as shown in figure 10, a kind of device of carrying out bearer update that the embodiment of the invention provides comprises:
Paging unit 100 is used for the first bearer update request that receives, and initiates the paging to subscriber equipment;
The second processing unit 102, being used for can't paging during to described subscriber equipment in definite described paging unit 100, returns the response message of refusing described the first bearer update request;
Indicating member 104, be used for sending the notification message of initiating new bearer update flow process, described notification message is used for notifying the initiator of new bearer update flow process to initiate new bearer update flow process, the initiator of new bearer update flow process initiates new bearer update flow process when receiving described notification message, also can just initiate new bearer update flow process when determining that paging is to described subscriber equipment again;
The second notification unit 106 is used for notifying to described subscriber equipment at the described new bearer update flow process bearing parameter that network side is current;
Determining unit 108 is used for determining whether that again paging is to described subscriber equipment; Then described indicating member 104 when described determining unit 108 is determined again paging to described subscriber equipment, sends the notification message of initiating new bearer update flow process;
Setting unit 110, being used for can't paging during to described subscriber equipment in definite described paging unit 100, and the bearer update sign is set, and wherein, described bearer update sign needs renewal in order to identify bearing parameter; Described indicating member 104 then, when described determining unit 108 is determined again paging to described subscriber equipment, further determine that according to described bearer update sign needs carry out bearer update, send to initiate the notification message of new bearer update flow process, and notify to described subscriber equipment at the second notification unit 106 bearing parameter that network side is current and to remove described bearer update sign.
A kind of specific implementation as the present embodiment, described indicating member 104 arranges with 102 unifications of described the second processing unit, described indicating member 104 sends to described new bearer update flow process initiator by the notice of the response message of described refusal the first bearer update request bearer update flow process that described initiation is new, wherein, the notice of the new bearer update flow process of described initiation is reason or the operation indication of refusal bearer update.
In the present embodiment, described device is specially mobile management network element MME or service universal grouping wireless business supporting node SGSN, but, the present invention specifically is not limited to described network element, and those skilled in the art can also be integrated in without the function that creative work is realized apparatus of the present invention embodiment in other network element of communication system.
The device of the execution bearer update that the present embodiment provides is when paging is to UE again, the bearing parameter that network side is current, such as QoS and/or UL TFT notice UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
Apparatus of the present invention embodiment three, and as shown in figure 11, a kind of device of initiating bearer update that the embodiment of the invention provides comprises:
Receiving element 111 is used in the first bearer update request that network side is initiated because after can't paging being rejected to subscriber equipment the notification message of the bearer update flow process that the reception initiation is new;
Bearer update is initiated unit 113, is used for initiating new bearer update flow process according to the notification message of the new bearer update flow process of described initiation;
Determining unit 115, be used for determining whether that again paging is to described subscriber equipment, then described bearer update is initiated unit 113, be used for when described determining unit 115 is determined again paging to described subscriber equipment, initiating new bearer update flow process according to the notification message of the new bearer update flow process of described initiation.
In the present embodiment, described device is specially service gateway entity SGW, grouped data network gateway entity PGW or strategy and charging regulation function entity PCRF, but, the present invention specifically is not limited to described network element, and those skilled in the art can also be integrated in without the function that creative work is realized apparatus of the present invention embodiment in other network element of communication system.
The device of the initiation bearer update that the present embodiment provides can be initiated new bearer update according to the notice of the initiation bearer update that receives, thereby the bearing parameter that network side is current, such as QoS and/or UL TFT notice UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
System embodiment of the present invention, as shown in figure 12, a kind of communication system that the embodiment of the invention provides be used for to realize comprising because can't paging and bearing parameter can not be notified the communication system of UE: initiate the device 120 of bearer update and carry out the device 122 of bearer update;
The device 122 of described execution bearer update, be used for the first bearer update request that receives, initiation is to the paging of subscriber equipment, can't paging arrive described subscriber equipment if determine, return the response message of described the first bearer update request of refusal, send the notification message of the new bearer update flow process of initiation to the device of described initiation bearer update;
The device 120 of described initiation bearer update is for the notification message of the new bearer update flow process of the initiation that the device that receives described execution bearer update sends, notification message according to the new bearer update flow process of described initiation is initiated new bearer update flow process, so that the device 122 of described execution bearer update bearing parameter that network side is current in described new bearer update flow process is notified to described subscriber equipment.
In the present embodiment, the device of described execution bearer update is specially Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN, the device of described initiation bearer update is specially service gateway entity SGW, grouped data network gateway entity PGW or strategy and charging regulation function entity PCRF, but, the present invention specifically is not limited to described network element, and those skilled in the art can also be integrated in without the function that creative work is realized apparatus of the present invention embodiment in other network element of communication system.
The communication system that the present embodiment provides, can realize determining that again paging is behind described subscriber equipment, the bearing parameter that in time network side need to be upgraded is notified UE, so that UE need can in time obtain the bearing parameter of renewal, be consistent with the bearing parameter of network side, avoid when UE need to manage business, just doing bearer update, improved the efficient of system.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium.The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (12)
1. the method for a bearer update is characterized in that, comprising:
After receiving the first bearer update request, initiate the paging to subscriber equipment, if determine and paging to arrive described subscriber equipment, return the response message of described the first bearer update request of refusal;
When determining again paging to described subscriber equipment, send the notice of initiating new bearer update flow process, the bearing parameter that network side is current is notified to described subscriber equipment in described new bearer update flow process;
Described definite again paging comprises to described subscriber equipment:
Determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, tracing section updating request message, Routing Area Update request message, grouped data network PDN connect sets up request message, perhaps bearing resource allocation request message.
2. method according to claim 1 is characterized in that, if described definite can't paging after described subscriber equipment, also comprising:
The bearer update sign is set, and wherein, described bearer update sign needs to upgrade in order to identify bearing parameter;
Accordingly, the described transmission notice of initiating new bearer update flow process specifically comprises:
When described subscriber equipment is arrived in described definite again paging, further determine that according to described bearer update sign needs carry out bearer update, send the notice of initiating new bearer update flow process.
3. method according to claim 2 is characterized in that, described in described new bearer update flow process the bearing parameter that network side is current notify to also comprising after the described subscriber equipment:
Remove described bearer update sign.
4. method according to claim 1 is characterized in that, described message from described subscriber equipment specifically comprises:
Article one message from described subscriber equipment.
5. method according to claim 1 is characterized in that, described bearing parameter comprises: QoS parameter QoS and/or uplink service stream masterplate UL TFT.
6. method according to claim 5 is characterized in that, the described bearing parameter that network side is current is notified to described subscriber equipment and specifically comprised:
If described subscriber equipment has the ability of access GSM EDGE Radio Access Network and/or UMTS Terrestrial radio access network, the QoS that network side is current is mapped as R99 QoS, and described R99 QoS is notified to described subscriber equipment.
7. a device of carrying out bearer update is characterized in that, comprising:
Paging unit is used for the first bearer update request that receives, and initiates the paging to subscriber equipment;
The second processing unit, being used for can't paging during to described subscriber equipment in definite described paging unit, returns the response message of refusing described the first bearer update request;
Determining unit is used for determining whether that again paging is to described subscriber equipment;
Indicating member is used for sending the notice of initiating new bearer update flow process when described determining unit is determined again paging to described subscriber equipment;
The second notification unit is used for notifying to described subscriber equipment at the described new bearer update flow process bearing parameter that network side is current;
Described definite again paging comprises to described subscriber equipment:
Determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, tracing section updating request message, Routing Area Update request message, grouped data network PDN connect sets up request message, perhaps bearing resource allocation request message.
8. device according to claim 7 is characterized in that, described device also comprises:
Setting unit, being used for can't paging during to described subscriber equipment in definite described paging unit, and the bearer update sign is set, and wherein, described bearer update sign needs renewal in order to identify bearing parameter;
Accordingly, described indicating member when described determining unit is determined again paging to described subscriber equipment, further determines that according to described bearer update sign needs carry out bearer update, sends the notice of initiating new bearer update flow process.
9. device according to claim 8 is characterized in that, described setting unit also is used for:
After current bearing parameter is notified to described subscriber equipment with network side, remove described bearer update sign at described the second notification unit.
10. device according to claim 7 is characterized in that, described device comprises: Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN.
11. a communication system is characterized in that, comprising: initiate the device of bearer update and the device of execution bearer update;
The device of described execution bearer update, be used for the first bearer update request that receives, initiation is to the paging of subscriber equipment, can't paging arrive described subscriber equipment if determine, return the response message of described the first bearer update request of refusal, determine whether that again paging is to described subscriber equipment, when determining again paging to described equipment, device to described initiation bearer update sends the notice of initiating new bearer update flow process, described definite again paging comprises to described subscriber equipment: determine that according to the message from described subscriber equipment that receives again paging is to described subscriber equipment, wherein, described message from described subscriber equipment includes but not limited to: service request information, the tracing section updating request message, the Routing Area Update request message, the grouped data network PDN connects sets up request message, perhaps bearing resource allocation request message;
The device of described initiation bearer update is for the notice of the new bearer update flow process of the initiation that the device that receives described execution bearer update sends, notice according to the new bearer update flow process of described initiation is initiated new bearer update flow process, so that the device of described execution bearer update bearing parameter that network side is current in described new bearer update flow process is notified to described subscriber equipment.
12. system according to claim 11 is characterized in that, the device of described execution bearer update comprises: Mobility Management Entity MME or service universal grouping wireless business supporting node SGSN; The device of described initiation bearer update comprises: service gateway entity SGW, grouped data network gateway entity PGW or strategy and charging regulation function entity PCRF.
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| CN 200810068180 CN101621786B (en) | 2008-06-30 | 2008-06-30 | Method, device and system for bearer update |
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| CN113965907A (en) * | 2021-11-17 | 2022-01-21 | 交控科技股份有限公司 | Service configuration method for rail transit application scene, core network equipment and storage medium |
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