CN101299882A - Method for recognizing and indicating load bearing types - Google Patents
Method for recognizing and indicating load bearing types Download PDFInfo
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- CN101299882A CN101299882A CNA2008100887518A CN200810088751A CN101299882A CN 101299882 A CN101299882 A CN 101299882A CN A2008100887518 A CNA2008100887518 A CN A2008100887518A CN 200810088751 A CN200810088751 A CN 200810088751A CN 101299882 A CN101299882 A CN 101299882A
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Abstract
The present invention discloses a load bearing types recognizing method and load bearing types indication method. In the load bearing types recognizing method, evolution nodes acquire request messages from process flow initiating network elements, wherein, the request message carries one or a plurality of load bearing types identifications, each load bearing types identification is corresponding to a load bearing required to establish; for each load bearing, the evolution nodes read its load bearing type identification and judge the corresponding load bearing type according to the bearing type identification; the load bearing type includes specific load bearing and default load bearing. The invention avoids the waste of resources.
Description
Technical field
The present invention relates to the communications field, particularly, relate to bearer types recognition methods, bearer types indicating means.
Background technology
Usually, with third generation partner program (3rd Generation PartnershipProject, abbreviate 3GPP as) the project of mobile wireless network of future generation be called System Architecture Evolution (System Architecture Evolution, abbreviate SAE as), Fig. 1 shows the configuration diagram of this SAE, as shown in Figure 1, SAE comprises following network element:
The wireless access network of evolution (Evolved RAN, abbreviate E-RAN as) be used to provide higher/downstream rate, lower transmission delay and wireless transmission more reliably, the network element that wherein comprises is enode (Evolved Node B, abbreviate e Node B as), be used to the access of terminal that Radio Resource is provided;
Home subscriber server (Home Subscriber Server abbreviates HSS as): be used for the permanent storage user contracting data;
Packet Data Network's (Packet Data Network abbreviates PDN as): be used to the user to provide professional;
The Packet Based Network of evolution (E-Packet Core): be used for reducing delay, insert more wireless access system.This E-Packet Core comprises following network element:
Mobile management entity (Mobility Management Entity, abbreviate MME as): be the chain of command functional entity, be used for interim storaging user data, management and storage subscriber equipment (User Equipment, abbreviate UE as) context (for example UE sign, mobility management states, user security parameters etc.), for the user distributes temporary mark, handle all non-access layer informations between MME and the UE, trigger paging at SAE.When UE quartered at this tracing area or this network, MME was used for this UE is carried out authentication.
Gateway (Serving Gateway abbreviates Serving GW as): being user entity, is the anchor point of 3GPP internal system user face, and a user can only have a Serving GW a moment.Serving GW is used for process user face data route, and termination is in the downlink data of the UE of idle condition, SAE carrying (bearer) context (for example IP bearer service parameter and network internal routing iinformation etc.) of management and storage UE.
Packet data network gateway (Packet Data Network Gateway abbreviates PDNGW as): be the mobility anchor point of 3GPP and non-3GPP connecting system, the user can insert a plurality of PDN GW at synchronization.Be used for being responsible for the gateway that UE inserts PDN, distributing user IP address.
"Policy and Charging Rules Function entity (Policy and Charging RuleFunctionality, abbreviate PCRF as): service quality (the Qualityof Service that is used for producing the control user data delivery according to the configuration information of business information and user signing contract information and operator, abbreviate QoS as) rule and charging regulation, the foundation and the release of carrying in the control Access Network.
On physical layer, Serving GW and PDN GW can unify setting.
The SAE carrying is the passage that terminal arrives PGW, and UE and PDN can utilize the uplink and downlink data of this channel transfer specific QoS.Carrying among the SAE is divided into default bearer and dedicated bearer, and wherein, default bearer is first carrying that terminal arrives PDN, and dedicated bearer other carryings that to be terminal arrive this PDN.A user can set up a plurality of default bearers, in general, when the user starts shooting, promptly when registration, just sets up the default bearer of a default PDN of correspondence, the follow-up default bearer that can be established to other PDN as required of user.But the user also have different business demands, and different business has different QoS demands to same PDN, therefore needs to use different carryings to transmit.Dedicated bearer is exactly after the default bearer of correspondence is set up, and the carrying of setting up to the different QoS requirements of same PDN is arranged owing to the user.
(be that certain carrying is default bearer or dedicated bearer, and related which default bearer of certain dedicated bearer, the node in the network: UE, MME, SGW, PGW can discern, but eNB but can't discern for bearer types.
ENB can't discern the situation of bearer types, not influence when separately certain carrying being operated for eNB, because eNB can initiate network element report operational circumstances to flow process, initiate network element according to different bearer types decision subsequent operations by flow process again, during do not have the problem of the meaningless operation and the wasting of resources.But but have problems when eNB sets up carrying in batches: exist because dedicated bearer depends on default bearer, if default bearer is set up failure, the dedicated bearer related with it just can't be set up.
Because eNB can't discern bearer types, even default bearer foundation has been failed so, eNB still can continue to finish the foundation of whole carryings,, can be the dedicated bearer Resources allocation related with this default bearer that is.ENB is after all carrying foundation is finished, to set up the advisory flow process and initiate network element, comprise the carrying of setting up successful carrying and setting up failure, find to have default bearer to set up failure if flow process is initiated network element, send out message informing eNB again and discharge and the relevant dedicated bearer resource of setting up successfully of this default bearer.In above-mentioned reciprocal process, exist eNB to carry out the situation of the meaningless operation and the wasting of resources, particularly under the situation of eNB resource anxiety, might cause because will give the dedicated bearer reserved resource that there is no need to set up, and other carrying that causes being right after is thereafter set up failure because of inadequate resource.
Summary of the invention
Consider exist in the correlation technique cause follow-uply carrying out unnecessary operation and causing the problem of the wasting of resources to propose the present invention owing to eNB can't discern bearer types, for this reason, the present invention aims to provide a kind of bearer types recognition methods and a kind of bearer types indicating means, in order to address the above problem.
According to an aspect of the present invention, provide a kind of bearer types recognition methods, be used for enode identification bearer types.
Bearer types recognition methods according to the embodiment of the invention comprises: enode obtains the request message of initiating network element from flow process, wherein, carry one or more bearer types signs in the request message, the carrying that each bearer types sign is all set up corresponding to needs; For each carrying, enode reads its bearer types sign, and judges corresponding type of carrying according to the bearer types sign, and the type of the carrying of mentioning here comprises dedicated bearer and default bearer.
Preferably, the bearer types sign identifies the type of carrying by the relation that identifies corresponding carrying and default bearer.
Preferably, above-mentioned for each carrying, enode reads its bearer types sign, and the operation of the type that judgement is carried accordingly according to the bearer types sign is specially: for certain carrying, if can read its bearer types sign, if and can find and the corresponding default bearer of bearer types sign that reads, then enode judges that this is carried as default bearer, if the default bearer that the bearer types that can not find and read sign is corresponding, then enode judges that this is carried as dedicated bearer; For certain carrying, if can not read its bearer types sign, then enode judges that this is carried as default bearer.
Preferably, said method further comprises: enode at first is the default bearer Resources allocation; Being under the default bearer Resources allocation case of successful, search the bearer types corresponding and identify corresponding dedicated bearer with default bearer, and the dedicated bearer Resources allocation for finding; Under situation, search the bearer types corresponding and identify corresponding dedicated bearer, and no longer be the dedicated bearer Resources allocation that finds with default bearer for the failure of default bearer Resources allocation.
According to a further aspect in the invention, provide a kind of bearer types indicating means, be used for flow process initiation network element and indicate bearer types to enode.
Bearer types indicating means according to the embodiment of the invention comprises following processing: flow process is initiated network element and is sent a request message to enode, and in request message, carry the one or more bearer types signs that are used to identify bearer types, the carrying that each bearer types sign is all set up corresponding to needs, wherein, bearer types comprises dedicated bearer and default bearer.
Preferably, for default bearer, flow process is initiated network element and do not carry the bearer types sign corresponding with it in request message.
Perhaps, preferably, for default bearer, flow process is initiated its corresponding bearer types sign of network element and is set to invalid value, for dedicated bearer, flow process is initiated its corresponding bearer types sign of network element and is set to effective value, can find corresponding default bearer according to the bearer types sign with effective value.
By above-mentioned at least one technical scheme of the present invention, can indicate or discern the type of carrying, carry when setting up operation in batches, thereby solved because of eNB can't discern the problem that bearer types causes carrying out unnecessary operation and brings the wasting of resources.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the SAE framework of correlation technique;
Fig. 2 is the flow chart according to the bearer types recognition methods of the embodiment of the invention;
Fig. 3 is the Signalling exchange flow chart according to the embodiment one of the bearer types recognition methods of the embodiment of the invention;
Fig. 4 is the system schematic when switching between the eNB of the bearer types recognition methods of the embodiment of the invention;
Fig. 5 is the Signalling exchange flow chart of the embodiment two of system environments shown in Figure 4;
Fig. 6 is the Signalling exchange flow chart of the embodiment three of system environments shown in Figure 4;
Fig. 7 inserts system schematic when switching according to the LTE access of the bearer types recognition methods of the embodiment of the invention and 2G, 3G;
Fig. 8 is the Signalling exchange flow chart of the embodiment four of system environments shown in Figure 7.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, a kind of bearer types indicating means at first is provided, be used for flow process initiation network element and indicate bearer types to enode.
Bearer types indicating means according to the embodiment of the invention comprises following processing: flow process is initiated network element (can be MME or source eNB) and is sent a request message to eNB, and in request message, carry the one or more bearer types signs that are used to identify bearer types, wherein, the carrying that each bearer types sign is all set up corresponding to needs, the bearer types of mentioning here comprises dedicated bearer and default bearer.
Wherein, for default bearer, flow process is initiated network element can not carry the bearer types sign corresponding with it in request message.
Perhaps, for default bearer, flow process is initiated network element can carry the bearer types sign corresponding with it in request message, but its corresponding bearer types sign is set to invalid value, for dedicated bearer, flow process is initiated its corresponding bearer types sign of network element and is set to effective value, specifically is meant, eNB can find corresponding default bearer according to the bearer types sign with effective value.
According to the embodiment of the invention, a kind of bearer types recognition methods also is provided, this method is preferably used above-mentioned bearer types indicating means.Fig. 2 is the flow chart that the processing of this method is shown.As shown in Figure 2, comprise following processing:
Step S202, eNB obtain the request message of initiating network element from flow process, wherein, carry one or more bearer types signs in the request message, the carrying that each bearer types sign is all set up corresponding to needs; Preferably, the bearer types sign identifies the type of carrying by the relation that identifies corresponding carrying and default bearer;
Step S204, for each carrying, eNB reads its bearer types sign, and judges corresponding type of carrying according to the bearer types sign, and the type of the carrying of mentioning here comprises dedicated bearer and default bearer.
By above-mentioned processing, make e NodeB can discern bearer types.
In step S204, for certain carrying, if can read its bearer types sign, and if the corresponding default bearer of the bearer types that can find and read sign, then eNB judges the default bearer that is carried as of bearer types sign correspondence; If the default bearer that the bearer types that can not find and read sign is corresponding, then eNB judges the dedicated bearer that is carried as of bearer types sign correspondence; For certain carrying, if can not read its bearer types sign, then eNB is judged as default bearer with this carrying.
Based on the judgement to bearer types, eNB can carry out follow-up resource allocation process, and particularly, eNB at first is the default bearer Resources allocation; Being under the default bearer Resources allocation case of successful, search the bearer types corresponding and identify corresponding dedicated bearer with this default bearer, and the dedicated bearer Resources allocation for finding; Under situation for default bearer Resources allocation failure, search the bearer types corresponding and identify corresponding dedicated bearer, and dedicated bearer Resources allocation no longer for finding with default bearer, think that directly this dedicated bearer also sets up failure.
Like this,, set up at default bearer under the situation of failure, need not in the foundation of carrying out the dedicated bearer related, thereby avoided the wasting of resources with it by the identification bearer types.
Below will the present invention be described further combined with embodiment.As mentioned above, because bearer types identifies the type that identifies carrying by the relation that identifies corresponding carrying and default bearer,, hereinafter, the bearer types sign is called the associated default bearing identification because for the ease of understanding.
Embodiment one:
This embodiment has provided the specific implementation process in the service request process, as shown in Figure 3, comprises following processing:
Step 302 will send when UE has up signaling or data, and when perhaps UE received paging, UE sent service request to eNB;
Step 304, eNB sends to MME with business request information;
Step 306, MME (promptly, above flow process is initiated network element) send initial context and set up request to eNB, wherein comprise all and will set up beared information and each carrying may all comprise associated default bearing identification (that is the bearer types sign of, above mentioning);
Step 308 is after eNB receives message, for each carrying that need set up, judge whether to carry the associated default bearing identification, if do not carry, even perhaps carried this sign, but can not find the default bearer corresponding with this sign, then eNB thinks that this carrying is a default bearer; If carried this sign, and can correctly find the default bearer corresponding with this sign, then eNB just thinks that this carrying is a dedicated bearer;
In follow-up loading establishing process, eNB is preferably the default bearer Resources allocation, after default bearer is set up successfully, searches the dedicated bearer related with this default bearer according to the associated default bearing identification again, carries out resource allocation; If default bearer is set up failure, eNB will not reattempt to carrying out resource allocation with the related dedicated bearer of this default bearer, and think that directly this dedicated bearer also sets up failure.
Step 310, eNB returns initial context foundation and finishes message, wherein carries the beared information of setting up successful beared information and setting up failure.
By top description as can be seen, in the service request process, by in business request information, carrying the associated default bearing identification, in subsequent treatment, eNB can judge bearer types, and carries out efficient resource allocation according to judged result, has avoided carrying out unnecessary operation, thereby avoided the wasting of resources, improved system handles efficient.
Embodiment two
Fig. 4 is the system schematic when switching between eNB.Dual mode is arranged when switching between eNB, and a kind of is to be connected with S 1 between MME by eNB to carry out; Another kind is to connect by the X2 between eNB to carry out.The embodiment that below provides is described at above-mentioned situation respectively.
At first, this embodiment has provided based on implementation procedure of the present invention in the switching flow between the eNB of S1 mouth.In this embodiment, as shown in Figure 5, comprise following processing:
Step 502, source eNB initiates to switch according to the measurement report decision that UE reports;
Step 504, source eNB sends to MME with handoff requirement message;
Step 506, MME (that is, above flow process is initiated network element) sends handoff request to target eNB, wherein comprises all beared informations that will set up and each carrying all comprises the associated default bearing identification;
Step 508 is after target eNB is received handoff request, for each carrying that need set up, judge whether to carry the associated default bearing identification, if do not carry, even perhaps carried this sign, but can not find the default bearer corresponding with this sign, then eNB thinks that this carrying is a default bearer; If carried this sign, and can correctly find the default bearer corresponding with this sign, then eNB just thinks that this carrying is a dedicated bearer;
In follow-up loading establishing process, eNB is preferably the default bearer Resources allocation, after default bearer is set up successfully, searches the dedicated bearer related with this default bearer according to the associated default bearing identification again, carries out resource allocation; If default bearer is set up failure, eNB will not reattempt to the dedicated bearer related with this default bearer carries out resource allocation, and think that directly this dedicated bearer also sets up failure.
Step 510, target eNB is returned handoff request acknowledgment message, wherein carries the beared information of setting up successful beared information and setting up failure.
This embodiment gives based on implementation procedure of the present invention in the switching flow between the eNB of X2 mouth.In this embodiment, as shown in Figure 6, comprise following processing:
Step 602, source eNB initiates to switch according to the measurement report decision that UE reports;
Step 604, source eNB (that is, flow process mentioned above is initiated network element) initiates handoff request message to target eNB, need to carry the beared information that all need be set up in the message, and each carrying may all comprise the associated default bearing identification;
Step 606, target eNB is received handoff request, judges whether to have carried the associated default bearing identification for each carrying that need set up, if do not carry, even or carried this sign, but can not find the default bearer corresponding with this sign, eNB just thinks that this carrying is a default bearer; If carried this sign, and can correctly find the default bearer corresponding with this sign, eNB just thinks that this carrying is a dedicated bearer;
In follow-up loading establishing process, eNB is preferably the default bearer Resources allocation, after default bearer is set up successfully, searches the dedicated bearer related with this default bearer according to the associated default bearing identification again, carries out resource allocation; If default bearer is set up failure, then eNB will not reattempt to the dedicated bearer related with this default bearer carries out resource allocation, think that directly this dedicated bearer also sets up failure.
Step 608, target eNB is returned handoff request acknowledgment message to source eNB, returns the result that sets up of carrying;
Step 610, source eNB initiates switching command to UE;
Step 612, UE begins to switch, and switches to finish to return to switch to target eNB afterwards to confirm;
Step 614, target eNB are to mobile management entity transmit path conversion request message, and the notice mobile management entity upgrades routing information;
Step 616 after the mobile management entity path is changed successfully, to target eNB return path conversion response message, is confirmed successfully;
After step 618, target eNB are received the response message of mobile management entity, initiate resource to source eNB and discharge, source eNB discharges the UE related resource, and switching is finished.
By top description as can be seen, between eNB in the handoff procedure, by in handoff request message, carrying the associated default bearing identification, in subsequent treatment, eNB can judge bearer types, and carries out efficient resource allocation according to judged result, has avoided carrying out unnecessary operation, thereby avoided the wasting of resources, improved system handles efficient.
Embodiment three
Fig. 7 is that LTE access and 2G, 3G insert the system schematic when switching.As shown in Figure 7, RNC/BSS communicates by letter with SGSN by IU/GB, and eNB communicates by letter with MME/S-GW by the S1 interface, and communicates by letter by S3/GN between SGSN and the MME/S-GW.
Fig. 8 has provided the implementation procedure of one embodiment of the present of invention in LTE access and 2G, the 3G access handoff procedure.As shown in Figure 8, comprise following processing:
Step 802, RNC or BSS initiate to switch according to the measurement report decision that UE reports;
Step 804, RNC or BSS send to SGSN with handoff requirement message;
Step 806, SGSN is transmitted to MME with handoff requirement message;
Step 808, MME sends handoff request to target eNB, wherein comprises all and will set up beared information and each carrying may all comprise the associated default bearing identification;
Step 810 is after target eNB is received message, for each carrying that need set up, judge whether to have carried the associated default bearing identification, if do not carry, even or carried this sign, but can not find the default bearer corresponding with this sign, eNB just thinks that this carrying is a default bearer; If carried this sign, and can correctly find the default bearer corresponding with this sign, eNB just thinks that this carrying is a dedicated bearer;
In follow-up loading establishing process, eNB is preferably the default bearer Resources allocation, after default bearer is set up successfully, searches the dedicated bearer related with this default bearer according to the associated default bearing identification again, carries out resource allocation; If default bearer is set up failure, then eNB will not reattempt and be the dedicated bearer Resources allocation related with this default bearer, think that directly this dedicated bearer also sets up failure.
Step 812, target eNB is returned handoff request acknowledgment message, wherein carries the beared information of setting up successful beared information and setting up failure.
By top description as can be seen, insert in the handoff procedure in LTE access and 2G, 3G, by in handoff request message, carrying the associated default bearing identification, in subsequent treatment, eNB can judge bearer types, and carries out efficient resource allocation according to judged result, has avoided carrying out unnecessary operation, thereby avoided the wasting of resources, improved system handles efficient.
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 changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. bearer types recognition methods is used for enode identification bearer types, it is characterized in that, comprising:
Enode obtains the request message of initiating network element from flow process, wherein, carries one or more bearer types signs in the described request message, the carrying that each bearer types sign is all set up corresponding to needs;
For each carrying, described enode reads its bearer types sign, and judges corresponding type of carrying according to described bearer types sign, and described type comprises dedicated bearer and default bearer.
2. method according to claim 1 is characterized in that, described bearer types sign identifies the type of described carrying by the relation that identifies corresponding carrying and default bearer.
3. method according to claim 2 is characterized in that, for each carrying, described enode reads its bearer types sign, and judges that according to described bearer types sign the operation of the type of corresponding carrying is specially:
For certain carrying, if can read its bearer types sign, if and can find and the corresponding default bearer of described bearer types sign that reads, then described enode is judged the described default bearer that is carried as, if the corresponding default bearer of described bearer types sign that can not find and read, then described enode is judged the described dedicated bearer that is carried as;
For certain carrying, if can not read its bearer types sign, then described enode is judged the described default bearer that is carried as.
4. according to each described method in the claim 1 to 3, it is characterized in that, further comprise:
Described enode at first is the default bearer Resources allocation;
Being under the described default bearer Resources allocation case of successful, search the bearer types corresponding and identify corresponding dedicated bearer with described default bearer, and the dedicated bearer Resources allocation for finding;
Under the situation that is described default bearer Resources allocation failure, search the bearer types corresponding and identify corresponding dedicated bearer, and no longer be the dedicated bearer Resources allocation that finds with described default bearer.
5. a bearer types indicating means is used for flow process initiation network element and indicates bearer types to enode, it is characterized in that:
Flow process is initiated network element and is sent a request message to enode, and in described request message, carry the one or more bearer types signs that are used to identify bearer types, the carrying that each bearer types sign is all set up corresponding to needs, wherein, described bearer types comprises dedicated bearer and default bearer.
6. method according to claim 5 is characterized in that, for default bearer, described flow process is initiated network element and do not carry the bearer types sign corresponding with it in described request message.
7. method according to claim 5, it is characterized in that, for default bearer, described flow process is initiated its corresponding bearer types sign of network element and is set to invalid value, for dedicated bearer, described flow process is initiated its corresponding bearer types sign of network element and is set to effective value, can find corresponding default bearer according to described bearer types sign with effective value.
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| CN2008100887518A CN101299882B (en) | 2008-05-04 | 2008-05-04 | Method for recognizing and indicating load bearing types |
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| WO2011020386A1 (en) * | 2009-08-20 | 2011-02-24 | 中兴通讯股份有限公司 | Indication method, system for bearer type and transmission shunting network element |
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| US9913073B2 (en) | 2010-08-26 | 2018-03-06 | Huawei Technologies Co., Ltd. | Service control method for machine type communications device and related apparatus and system |
| USRE48463E1 (en) | 2010-08-26 | 2021-03-09 | Huawei Technologies Co., Ltd. | Service control method for machine type communications device and related apparatus and system |
| WO2017120770A1 (en) * | 2016-01-12 | 2017-07-20 | 华为技术有限公司 | Method, device, and system for establishing bearer |
| US10805968B2 (en) | 2016-01-12 | 2020-10-13 | Huawei Technologies Co., Ltd. | Bearer setup method, apparatus, and system |
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| CN101299882B (en) | 2012-02-08 |
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