CN101494885B - Multi-load-bearing shared AMBR switching control method - Google Patents
Multi-load-bearing shared AMBR switching control method Download PDFInfo
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- CN101494885B CN101494885B CN2008100659441A CN200810065944A CN101494885B CN 101494885 B CN101494885 B CN 101494885B CN 2008100659441 A CN2008100659441 A CN 2008100659441A CN 200810065944 A CN200810065944 A CN 200810065944A CN 101494885 B CN101494885 B CN 101494885B
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Abstract
The invention aims to provide a multi-bearing shared AMBR switching control method, which comprises the following steps: step one, source base station initiates switching, and sends a switching request message carrying bearing establishing information and bearing shared AMBR relation information; step two, target base station obtains the bearing establishing information and the bearing shared AMBR relation information, then establishing a shared AMBR bearing. The beneficial effect of the invention is that: it can transmit the relation of EPS bearing shared AMBR from source base station through X2 interface, or from network side MME through S1-MME interface, to target base station, can enable the target base station to obtain AMBR shared control information, and realize the control to multi-bearing shared AMBR.
Description
Technical field
The present invention relates to moving communicating field, more specifically, relate to a kind of many bearing shared AMBR switching control method.
Background technology
Along with global microwave access intercommunication (World Interoperability for MicrowaveAccess, abbreviation Wimax) sudden emergence, 3-G (Generation Three mobile communication system) will keep its strong competitiveness at moving communicating field, must improve its network performance and reduce networking and operation cost.
Therefore, 3GPP (3rd Generation Partnership Project, third generation partner program) standardization effort group is just being endeavoured research at present to PS Core (Packet SwitchCore, the packet switch core net) and UTRAN (Universal Mobile TelecommunicationSystem Radio Access Network, the global system for mobile communications wireless access network) evolution, the problem of this research is called System Architecture Evolution (System ArchitectureEvolution, be called for short SAE) and Long Term Evolution (the Long Term Evolution of Access Network, be called for short LTE), wherein the Access Network of evolution is called E-UTRAN (Evolved UTRAN, the UTRAN of evolution).
The purpose of network evolution provides a kind of low time delay, high data rate, high power system capacity and high covering, low-cost, complete IP-based network.
The mobile communication system of this evolution just is called as the grouping system EPS (Evolved Packet System) of evolution, and its basic framework has wherein mainly comprised following network element as shown in Figure 1:
E-UTRAN (Evolved UTRAN) is made up of eNodeB (E-UTRAN NodeB), for user's access provides Radio Resource;
MME (Mobility Management Entity, mobile management entity) chain of command functional entity, the server of interim storaging user data, be in charge of and store the UE context (such as the UE/ user ID, mobility management states, user security parameters etc.), for the user distributes temporary mark, when UE quarters at this tracing area or this network is to be responsible for this user is carried out authentication, then handle all non-access layer informations between MME and the UE, triggering is in the paging of SAE, and wherein, the interface between eNodeB and the MME is a S1-MME interface;
HSS (Home Subscriber Server) is a home subscriber server, the permanent storage user contracting data, and authentication to the user is provided;
Serving GW (Gateway) is a gateway, and this gateway is a user entity, is responsible for the user face data route and handles, and termination is in the downlink data of the UE of idle condition.SAE carrying (bearer) context of management and storage UE, such as IP bearer service parameter and network internal routing iinformation etc., it is the anchor point of 3GPP internal system user face, a user can only have a Serving GW a moment;
PDN (Packet Data Network) is a Packet Data Network, for the user provides professional network; And
PDN GW is a packet data network gateway, is responsible for the gateway function that UE inserts PDN, is the mobility anchor point of 3GPP and non-3GPP connecting system.
The E-UTRAN framework as shown in Figure 2.
E-UTRAN is made up of eNB (E-UTRAN NodeB), for user's access provides Radio Resource; ENB is undertaken alternately by X2 interface each other; ENB links to each other by S1 interface and EPC (Evolved Packet Core, the packet-based core networks of evolution).
In mobile communication system, business is provided by carrying (bearer), different professional corresponding different bearer, thus satisfy different business needs, in order to satisfy professional requirement, bearer has a lot of attributes, comprises speed, priority etc.Bearer in the EPS system is defined as EPS bearer.
In the EPS system, AMBR (Aggregate Maximum Bit Rate) is the maximum rate that a plurality of bearer of same user share, the a plurality of EPSbearer that connect to same PDN can share same AMBR, when other EPS bearer did not transmit data, each among these EPS bearer can use that this AMBR's is whole.AMBR has limited the summation of the speed that all EPS bearer of sharing this AMBR can provide.ENB will carry out the AMBR control of uplink and downlink.UE is the CAMEL-Subscription-Information of UE to the AMBR of different PDN, is stored among the HSS, when the UE access network, brings MME by HSS, can preserve these AMBR information at UE with MME during network keeps being connected always.When EPS bearer set up, core net was according to the attribute of bearer, decision bearer whether with other bearer sharing A MBR that is connected to same PDN.
A UE has a plurality of PDN and connects, all may have an AMBR to each PDN connection, so a UE has a plurality of AMBR, EPS bearer determines in core-network side the shared relationship of AMBR, the actual speed rate summation that eNB controls all EPS bearer is no more than AMBR, so eNB need know the relation of EPS bearer sharing A MBR, to know exactly which AMBR which EPS bearer has shared.When the switching between the interior eNB of MME takes place, need pass to target eNB to the information of EPS bearer sharing A MBR from source eNB by X2 interface; When taking place to switch between MME, need pass to target eNB to the information of EPS bearer sharing A MBR from MME by the S1 interface, still not have effective method at present and can when switching, transmit the shared control information of AMBR.
Summary of the invention
In view of the above problems, the invention provides a kind of many bearing shared AMBR switching control method, transmit AMBR by S1 interface or X2 interface and share information, after feasible the switching, target BS can obtain the shared control information of AMBR, realizes the AMBR control to many bearing shared.
The invention provides a kind of many bearing shared AMBR switching control method, comprise the steps:
Step 1: source base station initiates to switch, and sends handoff request message to target BS, carries the AMBR relation information of bearer setup message and bearing shared in the described handoff request message;
Step 2: after target BS obtains the relation information of bearer setup message and bearing shared AMBR, the carrying of setting up sharing A MBR.
Further, wherein, also comprise before the step 1: mobile management entity MME is sent to source base station with the AMBR relation information of bearing shared and the value of AMBR, and source base station is set up the carrying of sharing A MBR.
Further, wherein, after source base station is set up the carrying of sharing A MBR, whether initiate to switch according to the measurement report decision of terminal equipment UE.
In the described method, the AMBR relation information of bearing shared is an one of the following: the bearing identification of the grouped data net address of the Access Point Name of identical AMBR, AMBR correspondence, AMBR sign and a certain sharing A MBR.
Further, in the step 1, if described switching in the MME switched, source base station directly sends handoff request message to target BS.
After the step 2, further comprising the steps of:
Step 3: target BS returns handoff request acknowledgment message to source base station;
Step 4: source base station is initiated switching command to terminal equipment UE;
After step 5: UE switching is finished, send switch acknowledgment message to target BS;
Step 6: after target BS is received switch acknowledgment message, initiate the path conversion request to MME, notice MME UE switching is finished, and request MME is new route more;
Step 7: MME more behind the new route, replys to the conversion of target BS reverse-path;
Step 8: target BS sends to source base station and discharges message related to resources, and source base station discharges related resource.
Further, in the step 1,, send handoff request message to target BS by the MME corresponding with source base station if switch between the described MME of switching to.
After the step 2, may further comprise the steps:
Step (three): target BS returns handoff request acknowledgment message to the MME of source base station correspondence;
Step (four): the MME of source base station correspondence initiates switching command to source base station, and source base station is initiated switching command to UE;
After step (five): UE switching is finished, send switch acknowledgment message to target BS;
Step (six): target BS is initiated switching notice to the MME of source base station correspondence, and the MME UE switching of notification source base station correspondence is finished;
Step (seven): the MME of source base station correspondence sends to source base station and discharges message related to resources, and source base station discharges related resource, and switching is finished.
The invention has the beneficial effects as follows to tie up to the pass of EPS bearing shared AMBR when switching from the MME of source eNB by X2 interface or network side and pass to eNB by S1-MME interface, can make target eNB obtain AMBR and share control information, realize control sharing AMBR for multiple loads.
Description of drawings
Fig. 1 is the EPS basic network topology figure of system of the prior art;
Fig. 2 is the E-UTRAN basic network topology figure of system of the prior art;
Fig. 3 is the flow chart according to many bearing shared AMBR switching control method in the MME of the present invention;
Fig. 4 is the flow chart according to many bearing shared AMBR switching control method between MME of the present invention;
Flow chart in many bearing shared AMBR switching control method in the MME takes place according to the first embodiment of the present invention in Fig. 5;
Flow chart in many bearing shared AMBR switching control method between MME takes place in Fig. 6 according to a second embodiment of the present invention.
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.
Fig. 3 is that as shown in Figure 3, this method may further comprise the steps according to the flow chart in many bearing shared AMBR switching control method in the generation MME of the present invention:
Step S302, when switching in MME takes place, source base station sends to target BS with the relation of all bearing shared AMBR that will set up in handoff request message; And
Step S304, target BS obtain the relation information of all bearing shared AMBR that will set up, set up carrying.
Fig. 4 is that as shown in Figure 4, this method may further comprise the steps according to the flow chart in many bearing shared AMBR switching control method between generation MME of the present invention:
Step S402, when taking place to switch between MME, source base station sends to target BS with the relation of all bearing shared AMBR that will set up in handoff request message; And
Step S404, target BS obtain the relation information of all bearing shared AMBR that will set up, set up carrying.
Wherein, the relation information of bearing shared AMBR can be the grouped data net address of sharing A MBR or Access Point Name (Access Point Name, APN); It also can be the AMBR sign; It also can be the sign of some carryings of sharing A MBR.
Below, with reference to accompanying drawing the preferred embodiments of the present invention are described.
Embodiment one
Fig. 5 is the flow chart in the control method of sharing AMBR for multiple loads when switching in the generation of the present invention MME.
In the present embodiment, be the flow process of switching in the MME, when source eNB sends out message to target eNB, carry the Access Point Name of identical AMBR by the carrying of all being shared same AMBR and indicate the shared relationship of these carryings AMBR.
As shown in Figure 5, this method may further comprise the steps ∷
501, source eNB carries out handover decisions according to the measurement report of UE, and the switching between the eNB is initiated in decision;
502, source eNB initiates handoff request message to target eNB, has the beared information that will set up in the message, also needs also to bring target eNB the relation of the bearing shared AMBR that will set up simultaneously; For the carrying of sharing same AMBR, thereby the Access Point Name that all carries identical AMBR shows the shared relationship of these carryings to same AMBR;
503, target eNB obtains to set up loaded information, and the relation of these bearing shared AMBR, sets up carrying according to these information;
504, target eNB is returned handoff request acknowledgment message to source eNB;
505, source eNB initiates switching command to UE;
506, after UE switches to Target cell, send out switch acknowledgment message to target eNB;
507, target eNB is initiated the path conversion request to MME, notifies MME UE to switch and finishes, and request MME upgrades corresponding routing information;
508, after MME upgrades and finishes, reply to the conversion of target eNB transmit path;
509, target eNB sends to source eNB and discharges message related to resources, and source eNB discharges relevant resource, and switching is finished.
Should be appreciated that in the foregoing description one, it is related to be that Access Point Name with the AMBR correspondence carries out, and can certainly change the PDN address with the AMBR correspondence into; Perhaps AMBR identifies; The perhaps bearing identification of certain sharing A MBR.
For example, change into 502: source eNB initiates handoff request message to target eNB, has the beared information that will set up in the message, also needs also to bring target eNB the relation of the bearing shared AMBR that will set up simultaneously; For the carrying of sharing same AMBR, all carry identical bearing identification, this sign is to share the sign of certain carrying of this AMBR.
Embodiment two
Fig. 6 is the flow chart in the control method of sharing AMBR for multiple loads when switching between generation of the present invention MME.
In the present embodiment, be the flow process of switching between MME, when MME sends out message to target eNB, carry the Access Point Name of identical AMBR by the carrying of all being shared same AMBR and indicate the shared relationship of these carryings AMBR.
As shown in Figure 6, this method may further comprise the steps::
601, source eNB carries out handover decisions according to the measurement report of UE, and the switching between the eNB is initiated in decision;
602, source eNB initiates to switch to MME and requires message;
603, MME initiates handoff request message to target eNB, has the beared information that will set up in the message, also needs also to bring target eNB the relation of the bearing shared AMBR that will set up simultaneously; For the carrying of sharing same AMBR, thereby the Access Point Name that all carries identical AMBR shows the shared relationship of these carryings to same AMBR;
604, target eNB obtains to set up loaded information, and the relation of these bearing shared AMBR, sets up carrying according to these information;
605, target eNB is returned handoff request acknowledgment message to MME;
606, MME initiates switching command to source eNB;
607, source eNB initiates switching command to UE;
608, after UE switches to Target cell, send out switch acknowledgment message to target eNB;
609, target eNB is initiated switching notice to MME, notifies MME UE to switch and finishes;
610, MME sends to source eNB and discharges message related to resources, and source eNB discharges relevant resource, and switching is finished.
Should be appreciated that in the foregoing description one, it is related to be that Access Point Name with the AMBR correspondence carries out, and can certainly change the PDN address with the AMBR correspondence into; Perhaps AMBR identifies; The perhaps bearing identification of certain sharing A MBR.
In sum, adopt method of the present invention, can tie up to the pass of EPS bearing shared AMBR when switching from the MME of source eNB by X2 interface or network side and pass to eNB, can make target eNB obtain AMBR and share control information, realize control sharing AMBR for multiple loads by S1-MME interface.
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. bearing shared AMBR switching control method more than a kind is characterized in that, said method comprising the steps of:
Step 1: source base station initiates to switch, send handoff request message to target BS, carry the Aggregate Maximum Bit Rate AMBR relation information of bearer setup message and bearing shared in the described handoff request message, wherein, the AMBR relation information of described bearing shared is an one of the following: the grouped data net address of the Access Point Name of identical AMBR, AMBR correspondence, AMBR sign and are shared the bearing identification of AMBR;
Step 2: after target BS obtains the AMBR relation information of bearer setup message and bearing shared, the carrying of setting up sharing A MBR.
2. method according to claim 1 is characterized in that, also comprise before the step 1: mobile management entity MME is sent to source base station with the AMBR relation information of bearing shared and the value of AMBR, and source base station is set up the carrying of sharing A MBR.
3. whether method according to claim 2 is characterized in that, further comprises, after source base station is set up the carrying of sharing A MBR, initiate to switch according to the measurement report decision of terminal equipment UE.
4. method according to claim 1 is characterized in that, in the step 1, if switching in the MME of described source base station initiation switched, source base station directly sends handoff request message to target BS.
5. method according to claim 4 is characterized in that, and is after the step 2, further comprising the steps of:
Step 3: target BS returns handoff request acknowledgment message to source base station;
Step 4: source base station is initiated switching command to terminal equipment UE;
After step 5: UE switching is finished, send switch acknowledgment message to target BS;
Step 6: after target BS is received switch acknowledgment message, initiate the path conversion request to MME, notice MME UE switching is finished, and request MME upgrades routing information;
After step 7: MME upgrades routing information, reply to the conversion of target BS reverse-path;
Step 8: target BS sends to source base station and discharges message related to resources, and source base station discharges related resource.
6. method according to claim 1 is characterized in that, in the step 1, if switching between MME of described source base station initiation switched, sends handoff request message by the MME corresponding with source base station to target BS.
7. method according to claim 6 is characterized in that, after the step 2, may further comprise the steps:
Step (three): target BS returns handoff request acknowledgment message to the MME of source base station correspondence;
Step (four): the MME of source base station correspondence initiates switching command to source base station, and source base station is initiated switching command to UE;
After step (five): UE switching is finished, send switch acknowledgment message to target BS;
Step (six): target BS is initiated switching notice to the MME of source base station correspondence, and the MME UE switching of notification source base station correspondence is finished;
Step (seven): the MME of source base station correspondence sends to source base station and discharges message related to resources, and source base station discharges related resource, and switching is finished.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101998520B (en) * | 2009-08-17 | 2013-09-11 | 华为技术有限公司 | Data transmission rate control method, device and system |
| CN102036414B (en) * | 2009-09-25 | 2015-05-20 | 中兴通讯股份有限公司 | Method and system for realizing X2 function |
| WO2011113210A1 (en) * | 2010-03-19 | 2011-09-22 | 上海贝尔股份有限公司 | Method and device for local switching among multiple base stations |
| CN102026313B (en) | 2010-06-21 | 2012-03-21 | 华为技术有限公司 | Switch processing method and equipment |
| CN102917419A (en) * | 2011-08-02 | 2013-02-06 | 中兴通讯股份有限公司 | Switching operation method and switching operation system |
| CN103491584A (en) * | 2012-06-12 | 2014-01-01 | 中兴通讯股份有限公司 | Method for achieving local intercommunication and network cell equipment |
| WO2014205836A1 (en) * | 2013-06-29 | 2014-12-31 | 华为技术有限公司 | Method for switching between base stations, and related apparatus |
| WO2015100521A1 (en) * | 2013-12-30 | 2015-07-09 | 华为技术有限公司 | Mobility management method, apparatus and system |
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| CN1848972A (en) * | 2005-11-10 | 2006-10-18 | 华为技术有限公司 | Method for realizing speech service switching to circuit type data service |
| CN1964558A (en) * | 2005-11-11 | 2007-05-16 | 华为技术有限公司 | A method and device for multicast switching |
| WO2007130325A2 (en) * | 2006-05-01 | 2007-11-15 | Interdigital Technology Corporation | Method and apparatus for facilitating lossless handover in 3gpp long term evolution systems |
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| CN1848972A (en) * | 2005-11-10 | 2006-10-18 | 华为技术有限公司 | Method for realizing speech service switching to circuit type data service |
| CN1964558A (en) * | 2005-11-11 | 2007-05-16 | 华为技术有限公司 | A method and device for multicast switching |
| WO2007130325A2 (en) * | 2006-05-01 | 2007-11-15 | Interdigital Technology Corporation | Method and apparatus for facilitating lossless handover in 3gpp long term evolution systems |
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