CN103476135A - Method of interaction information between different communication systems - Google Patents
Method of interaction information between different communication systems Download PDFInfo
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- CN103476135A CN103476135A CN2012101887259A CN201210188725A CN103476135A CN 103476135 A CN103476135 A CN 103476135A CN 2012101887259 A CN2012101887259 A CN 2012101887259A CN 201210188725 A CN201210188725 A CN 201210188725A CN 103476135 A CN103476135 A CN 103476135A
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Abstract
The invention discloses a method of interaction information between different communication systems. The method comprises the following steps that an evolution type base station eNB in a long term evolution LTE system sends a lur-y interface establishment request packaged by stream control transmission protocol SCTP to a BSS in a global mobile GSM system; after receiving the request, the BSS sends a response message to the eNB; the eNB carries out direct interaction information and direct configuration information with the BSS through the lur-y interface. After the method in an embodiment of the invention is used, time delay of the interaction information between the different communication systems can be reduced and reliability is increased.
Description
Technical field
The present invention relates to communication technical field, more specifically, relate to the method for interactive information between a kind of different communication systems.
Background technology
The 3GPP framework is Sv interface or the SGs interface utilized between mobile management entity (MME) and Mobile Switching Center Server (MSC) at present, realize the information interaction function between different system base-station equipment (BSS) and evolved base station (eNB), or realize the information interaction function between BSS and eNB by the S3 interface between MME and serving GPRS support node (SGSN).The network architecture is referring to accompanying drawing 1.
Uu is between user (UE) and land radio access web (UTRAN) to be the interface of UE and 3G network; Um is between UE and global mobile communication wireless access network (GERAN) to be the interface of UE and 2G network; LTE-Uu is between UE and evolved wireless Access Network (E-UTRAN) to be the interface of UE and 4G network.Lu-ps is the interface between UTRAN and SGSN, and lu-cs is the interface between UTRAN and MSC Server.Gb is the interface between GERAN and SGSN, and A is the interface between GERAN and MSC Server.S1-MME is the interface between E-UTRAN and MME.Gs is the interface between SGSN and MSC Server.S3 is the interface between SGSN and MME.The S3 interface is the GTP agreement, comprises GTP-U and GTP-C.SGs is the interface between MME and MSC Server.The SGs interface protocol is SGs Ap agreement.SGs interface: for mobile management and the paging between EPS and CS territory, complete and set up SGs incidence relation (preserve VLR number in MME, preserve MME address etc. in VLR) between MME and MSC Server/VLR.Interface between SvS HI MME and MSC Server, the Sv agreement is GTP-C.
Existing different system base-station information interaction realizes comprising: introduces interface SGs or interface Sv etc., referring to accompanying drawing 1, realizes different intersystem base station information interaction, and as information such as " capacitance grades ", SIB information etc.
Computing information management (RIM) flow process of take describes as example.After system starts, the system information of the different system of all configurations of automatic acquisition adjacent area; When the system information of different system adjacent area change (as community reactivate or configuration parameter upgrade cause system information to change), the reporting events of initiating RIM information.This mode depends on the system information change notification of goal systems, higher with the coupling of 2G network, needs close fit between network.
Referring to accompanying drawing 2, at first control the different system neighboring BS information of eNB automatic acquisition, UE need to carry out cell change order (CCO) or different system is redirected.ENB sends repeatedly RIM by the signaling that direct transfers to MME and reports request (RAN-INFORMATION-REQUEST/Multiple message, MME receives that the backward MSC/VLR of this message forwards this message, after MSC/VLR receives this message, sends this message to serving BS broadcasts S.RIMPDU Indications is designated as RIM message and reports first (RAN-INFORMATION-REQUEST/Multiple); Serving BS broadcasts S receives cell system information corresponding to community ID that reports eNB to require after message, and last eNB sends RIM information reporting terminate-ack by MME/MSC to BSS.There is following problem in prior art alternately by the SGs interface between core net or Sv Interface realization base station information:
A) time delay is larger: particularly the speech business requirement of real-time is higher, and all signaling/data all pass through core net MME and MSC/VLR forwards, and time delay is larger.The SI information in the RIM message in accompanying drawing 2 for example, because needs forward by core net MME and MSC/VLR, time delay increases greatly.
B) poor reliability: all signaling/data all complete by SGs interface or Sv between core net MME and MSC/VLR, have greatly increased the Signalling exchange complexity; Because signaling/data retransmission has increased too much irrelevant network element, signaling/data drop probabilities increases simultaneously, and reliability reduces.
Summary of the invention
The embodiment of the present invention proposes the method for interactive information between a kind of different communication systems, can reduce the time delay of interactive information between different communication systems, and strengthens reliability.
The technical scheme of the embodiment of the present invention is as follows:
A kind of method of interactive information between different communication systems, the method comprises:
Evolved base station eNB in Long Term Evolution LTE system sends by the lur-y interface of SCTP Stream Control Transmission Protocol encapsulation and sets up request to the base station equipment BSS in the mobile gsm system in the whole world;
After BSS receives described request, to eNB, send response message;
ENB is by lur-y interface and BSS direct interaction information and direct configuration information.
Described method further comprises: combine the related information of configuration for mobile management entity MME and Mobile Switching Center Server MCS/ Visited Location Registor VLR, eNB is undertaken by SGs interface/Sv interface and MCS/VLR by MME alternately.
Described method further comprises: for the information of configuration MSC/VLR, eNB is sent to MCS/VLR by MME by SGs interface/Sv interface.
Described method further comprises: for the information of configuration MSC/VLR, eNB is sent to MSC/VLR by the lur-y interface by BSS.
From technique scheme, can find out, in embodiments of the present invention, in the LTE system, eNB sends by the lur-y interface of Stream Control Transmission Protocol encapsulation and sets up request to the BSS in gsm system; After BSS receives described request, to eNB, send response message, so far the lur-y interface completes foundation.ENB just can be by lur-y interface and BSS direct interaction information and direct configuration information.Because eNB can be directly and BSS direct interaction and configuration information, no longer need to forward by other network element and interface, therefore reduce the time delay of interactive information between different communication systems, and increased the reliability in the transmitting procedure.
The accompanying drawing explanation
Fig. 1 is the mutual SGs interface architecture of base station information schematic diagram in prior art;
Fig. 2 is RIM schematic flow sheet in prior art;
The method flow schematic diagram that Fig. 3 is interactive information between embodiment of the present invention different communication systems;
Fig. 4 is embodiment of the present invention lur-y protocol stack of the interface schematic diagram;
Fig. 5 is that embodiment of the present invention eNB and BSS pass through lur-y interface signaling interaction flow schematic diagram;
Fig. 6 is that embodiment of the present invention eNB is by MME and MSC Signalling exchange schematic flow sheet;
Fig. 7 is that embodiment of the present invention eNB configures the interface signaling interaction flow schematic diagram of MSC by MME;
Fig. 8 is that embodiment of the present invention eNB is by the interface signaling interaction flow schematic diagram of lur-y interface configuration MSC;
Fig. 9 is the RIM schematic flow sheet of the embodiment of the present invention based on the lur-y interface;
Figure 10 is the information interaction schematic flow sheet that the embodiment of the present invention reports mode immediately;
The information interaction schematic flow sheet that Figure 11 is embodiment of the present invention data variation mode;
Figure 12 is embodiment of the present invention information interaction initialization failure handling schematic flow sheet;
Figure 13 is that embodiment of the present invention information interaction is unsuccessfully indicated the handling process schematic diagram;
Figure 14 is that embodiment of the present invention information interaction stops schematic flow sheet.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
In embodiments of the present invention, by the new interface lur-y between eNB and BSS, realized between eNB and BSS network element directly mutual, no longer need to forward by other network element and interface, therefore reduce the time delay of interactive information between different communication systems, and increased the reliability in the transmitting procedure.
ENB in step 301, LTE system sends by the lur-y interface of Stream Control Transmission Protocol encapsulation and sets up request to the BSS in gsm system.
In the BSS(2G system) and the eNB(LTE system) between introduce the lur-y interface, its protocol stack is as shown in Figure 4.This protocol architecture is based on the all-IP transport protocol stack, and do not rely on traditional SS7 network configuration that the 2G system is used.In every a pair of BSS(2G system) and the eNB(LTE system) between will set up SCTP combination, and be operation application layer lur-y interface thereon at least reserved a pair of " data flow ", and can increase " data flow " logarithm according to the flow of interaction data.ENB sends and has the luy-y interface of Stream Control Transmission Protocol encapsulation to set up request to BSS.
The lur-y interface will provide the chain of command protocol conversion between 2G system and 4G system as the application layer run on transport layer, and adopt unified communications protocol format, realize operating in the data communication between the lur-y interface on different system.
After step 302, BSS receive described request, to eNB, send response message.
BSS sends response message to eNB after receiving that the lur-y interface by the Stream Control Transmission Protocol encapsulation of eNB transmission is set up request, and so far the lur-y interface completes foundation.Like this BSS can be directly and eNB carry out alternately.
For only needing the mutual information (reporting request message etc. as RIM) of eNB and BSS network element, information (as CONTEXT MODIFICATION REQUEST message and CONTEXT MODIFICATION RESPONSE message etc.) with configuration, can directly by new interface Iur-y, realize, the Signalling exchange schematic diagram as shown in Figure 5.ENB sends the request of RAN interactive information to BSS, and BSS is to the response of eNB feedback RAN interactive information.
Combine the related information of configuration (as INITIAL CONTEXT SETUP REQUEST message and INITIAL CONTEXT SETUP RESPONSE message etc.) for needing MME and MSC/VLR core network element, can still pass through the SGs/Sv Interface realization, the Signalling exchange schematic diagram as shown in Figure 6.ENB sends the related information of associating configuration to MME by direct-sending message (DIRECT INFORMATION TRANSFER), MME carries out information configuration and forwards the related information of associating configuration to MSC/VLR, and MSC/VLR is configured according to the message of receiving.
For the information that only needs configuration MSC/VLR network element (as Extended service request message etc.), can pass through the SGs/Sv Interface realization, Signalling exchange is referring to accompanying drawing 7.ENB sends MSC/VLR core net configuration information by MME to MSC/VLR by DIRECT INFORMATION TRANSFER.MSC/VLR is configured after receiving the core net configuration information.
For the information that only needs configuration MSC/VLR network element, also can realize by new interface Iur-y.ENB sends MSC/VLR core net configuration information by the lur-y interface to the BBS network element, by the BSS network element, forwards MSC/VLR core net configuration information to MSC/VLR, and Signalling exchange is referring to accompanying drawing 8.
Below take the RIM flow process as example describes in detail technical scheme of the present invention.Be based on the RIM schematic flow sheet of lur-y interface referring to accompanying drawing 9.At first the different system neighboring BS information of eNB automatic acquisition, UE need to carry out CCO or different system is redirected.ENB directly sends RAN INFORMATION REQUEST message to Serving BSS by new interface Iur-y, and Serving BSS receives cell system information corresponding to community ID that reports eNB to require after this message.
According to new interface, RAN INFORMATION REQUEST signaling message field and field contents are carried out to cutting and adjustment simultaneously.Wherein, cut out and adjustment is prior art.
The eNB of take is example as the initiator, comprises following reciprocal process:
1, report immediately the information interaction of mode
Referring to accompanying drawing 10, eNB initiates information interaction initialization request (can comprise the information such as Cell Capacity Class in interactive information), and BSS returns results immediately by response message.
2, the information interaction of based on data variation pattern
Referring to accompanying drawing 11, eNB initiates information interaction initialization request (can comprise the information such as Cell Capacity Class in interactive information), and BSS returns results immediately by response message.Follow-up after information data changes, can report to eNB by information report message.
3, information interaction initialization failure handling process
Referring to accompanying drawing 12, eNB initiates information interaction initialization request information to BSS, and BSS for a certain reason, can't success response, and the mutual initialization failed message of return information is to eNB.
4, information interaction is unsuccessfully indicated processing procedure
Referring to accompanying drawing 13, in message interaction process, BSS is because certain is abnormal, and reporting message, to eNB, sends information interaction failure Indication message notice eNB again.
5, information interaction stopped process
ENB is not when needing to carry out information interaction, and eNB sends information interaction to BBS and stops request, the information interactive process that initiatively stops having initiated.
Can find out that eNB can be directly by newly-built lur-y interface and the BSS interactive information, to carry out the mutual of much information.Like this, no longer need to forward by other network element and interface, therefore reduced the time delay of interactive information between different communication systems, and increased the reliability in the transmitting procedure.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. the method for interactive information between a different communication systems, is characterized in that, the method comprises:
Evolved base station eNB in Long Term Evolution LTE system sends by the lur-y interface of SCTP Stream Control Transmission Protocol encapsulation and sets up request to the base station equipment BSS in the mobile gsm system in the whole world;
After BSS receives described request, to eNB, send response message;
ENB is by lur-y interface and BSS direct interaction information and direct configuration information.
2. the method for interactive information between different communication systems according to claim 1, it is characterized in that, described method further comprises: combine the related information of configuration for mobile management entity MME and Mobile Switching Center Server MCS/ Visited Location Registor VLR, eNB is undertaken by SGs interface/Sv interface and MCS/VLR by MME alternately.
3. the method for interactive information between different communication systems according to claim 1, is characterized in that, described method further comprises: for the information of configuration MSC/VLR, eNB is sent to MCS/VLR by MME by SGs interface/Sv interface.
4. the method for interactive information between different communication systems according to claim 1, is characterized in that, described method further comprises: for the information of configuration MSC/VLR, eNB is sent to MSC/VLR by the lur-y interface by BSS.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1089575A2 (en) * | 1999-09-21 | 2001-04-04 | Alcatel USA Sourcing, L.P. | System and method for transporting IN/AIN signaling over an internet protocol (IP) network |
| CN101541093A (en) * | 2008-03-21 | 2009-09-23 | 华为技术有限公司 | Method and device for establishing and maintaining interface connection |
| CN102045660A (en) * | 2009-10-22 | 2011-05-04 | 华为技术有限公司 | Information interaction method, system, base station and network entity |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1089575A2 (en) * | 1999-09-21 | 2001-04-04 | Alcatel USA Sourcing, L.P. | System and method for transporting IN/AIN signaling over an internet protocol (IP) network |
| CN101541093A (en) * | 2008-03-21 | 2009-09-23 | 华为技术有限公司 | Method and device for establishing and maintaining interface connection |
| CN102045660A (en) * | 2009-10-22 | 2011-05-04 | 华为技术有限公司 | Information interaction method, system, base station and network entity |
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Application publication date: 20131225 |