CN105519187A - Device, method and system for obtaining system information - Google Patents
Device, method and system for obtaining system information Download PDFInfo
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- CN105519187A CN105519187A CN201380000170.3A CN201380000170A CN105519187A CN 105519187 A CN105519187 A CN 105519187A CN 201380000170 A CN201380000170 A CN 201380000170A CN 105519187 A CN105519187 A CN 105519187A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
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Abstract
Embodiments of the invention provides a device, method and system for obtaining system information, and relate to the technical field of communication. The device comprises a receiving machine for receiving an RIM request message, a processor for mapping an eNodeB mark in the RIM request message into an RNC mark, a storer for saving a mapping relationship between the eNodeB mark and the RNC mark, and an emitting machine for requesting system information of a target cell to a BSC or RNC according to the RNC mark; and the receiving machine is further used to receive an RIM response message carrying the system information, the processing is further used to replace the RNC mark in the RIM response message with the corresponding eNodeB mark according to the mapping relationship, and the emitting machine is further used to send the RIM response message containing the eNodeB mark to the eNodeB. Under the condition that a present network SGSn is not upgraded, R9RIM process is achieved, and a reliable guarantee is provided for rapid deployment of a CSFB business.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of equipment, method and system obtaining system information.
Background technology
Current, along with LTE(Long-TermEvolution, Long Term Evolution)/EPS(EvolvedPacketSystem, the grouping system of evolution) evolution of network, how speech business becomes operator's issues that need special attention at LTE network rapid deployment and evolution.CSFB(CircuitSwitchedFallback, circuit domain dropping) be adopt to reuse 2G/3G real-time performance UE(UserEquipment, subscriber equipment) under LTE network covers, carry out the solution of speech business, when UE initiates caller or called service under LTE network covers, LTE/EPS network-triggered UE falls back to 2G/3G network and performs speech business.
Experience to improve speech business, reduce UE from LTE network to the falling time delay of 2G/3G network, 3GPP(3rdGenerationPartnershipProject, third generation collaborative project) R9 agreement proposes the scheme of CSFB business rapid deployment: eNodeB(EvolvedNodeBase, evolution base station) pass through RIM(RANInformationManagement, WAP (wireless access point) information management) flow process obtains the system information of Target cell in advance in LTE network, and this system information is sent to UE, again system information need not be obtained after making UE fall back to 2G/3G network, thus accelerate the speed of access 2G/3G network and the access speed of speech business.
R9RIM flow process is specific as follows: eNodeB is the system information obtaining target 2G/3G network, to MME(MobilityManagementEntity, and mobile management entity) send a request message; To sending a request message to target SGSN (ServingGPRSSupportNode, Serving GPRS Support Node) after MME receives; Target SGSN receives the BSC(BaseStationController of backward correspondence, base station controller)/RNC(RadioNetworkController, radio network controller) send a request message; By response message, system information is sent to SGSN after BSC/RNC receives, this system information is sent to corresponding MME by SGSN, and this system information is sent to eNodeB by MME again.
In above-mentioned R9RIM flow process, need the SGSN upgraded in existing network, the rapid deployment of CSFB business could be realized.
Summary of the invention
The invention provides a kind of equipment, the method and system that obtain system information, to realize R9RIM flow process when not upgrading existing network SGSN.Described technical scheme is as follows:
First aspect, provide a kind of equipment obtaining system information, described equipment comprises:
Receiver, for receiving WAP (wireless access point) information management RIM request message;
Processor, for by the evolution base station eNodeB identity map in described RIM request message being a radio network controller (RNC) mark, described RNC is designated non-existent RNC mark in existing network;
Memory, identifies for preserving described eNodeB the mapping relations identified with RNC;
Transmitter, for identifying the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC;
Described receiver is also for receiving the RIM response message carrying described system information;
Described processor is also for replacing with corresponding described eNodeB mark according to described mapping relations by the described RNC mark in described RIM response message;
Described transmitter also for send comprise described eNodeB identify RIM response message to the eNodeB of correspondence.
In conjunction with first aspect, under the first execution mode of first aspect, described processor is used for:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond described RNC identifiable scope identifies by the eNodeB identity map in described RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in described RIM request message, described pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
In conjunction with first aspect, under the second execution mode of first aspect, described processor is used for:
Be a RNC mark by the eNodeB identity map in described RIM request message, described RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, described RNC mark at least meets following a kind of condition:
Described MCC is the non-existent MCC of existing network;
Described MNC is the non-existent MNC of existing network;
Described LAC is the non-existent LAC of existing network;
Described RAC is the non-existent RAC of existing network;
Described RNCID is the non-existent RNCID of existing network.
In conjunction with first aspect, under the third execution mode of first aspect,
The RIM request message that described receiver sends for receiving eNodeB;
Described transmitter is used for sending RIM request message, by the system information of described SGSN to BSC or RNC request target community according to described RNC mark to service general grouping service wireless support point SGSN;
The RIM response message carrying described system information that described receiver sends for receiving described SGSN.
In conjunction with first aspect, under the 4th kind of execution mode of first aspect,
The RIM request message that described receiver is sent for receiving mobile management entity MME;
Described transmitter is used for according to the system information of described RNC mark to BSC or RNC request target community;
The RIM response message carrying described system information that described receiver sends for receiving described BSC or RNC;
Described transmitter comprises RIM response message that described eNodeB identifies to described MME for sending, and is transmitted to corresponding eNodeB by described MME.
Second aspect, provide a kind of method obtaining system information, described method comprises:
Receive WAP (wireless access point) information management RIM request message;
Be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in described request message, described RNC is designated non-existent RNC mark in existing network, and preserves the mapping relations that described eNodeB identifies and RNC identifies;
Identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information;
According to described mapping relations, the described RNC mark in described RIM response message is replaced with corresponding described eNodeB mark, and transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence.
In conjunction with second aspect, under the first execution mode of second aspect, be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in described request message, comprise:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond described RNC identifiable scope identifies by the eNodeB identity map in described RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in described RIM request message, described pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
In conjunction with second aspect, under the second execution mode of second aspect, be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in described request message, comprise:
Be a RNC mark by the eNodeB identity map in described RIM request message, described RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, described RNC mark at least meets following a kind of condition:
Described MCC is the non-existent MCC of existing network;
Described MNC is the non-existent MNC of existing network;
Described LAC is the non-existent LAC of existing network;
Described RAC is the non-existent RAC of existing network;
Described RNCID is the non-existent RNCID of existing network.
In conjunction with second aspect, under the third execution mode of second aspect, receive WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that eNodeB sends;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information, comprising:
Send RIM request message according to described RNC mark to service general grouping service wireless support point SGSN, by the system information of described SGSN to BSC or RNC request target community, and receive the RIM response message carrying described system information of described SGSN transmission.
In conjunction with second aspect, under the 4th kind of execution mode of second aspect, receive WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that mobile management entity MME is sent;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information, comprising:
According to the system information of described RNC mark to BSC or RNC request target community, and receive the RIM response message carrying described system information of described BSC or RNC transmission;
And transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, comprising:
Transmission comprises the RIM response message of described eNodeB mark to described MME, is transmitted to corresponding eNodeB by described MME.
The third aspect, provides a kind of system obtaining system information, comprising: the equipment obtaining system information as above.
The beneficial effect of the technical scheme that the embodiment of the present invention provides is:
By receiving RIM request message, being non-existent RNC mark in an existing network by eNodeB identity map wherein, and preserving the mapping relations that this eNodeB identifies and RNC identifies, the system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of this eNodeB mark to the eNodeB of correspondence, eNodeB is made to obtain the system information of Target cell, and owing to by eNodeB identity map being RNC mark, just R9RIM flow process can be realized without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the equipment structure chart of the acquisition system information that the embodiment of the present invention 1 provides;
Fig. 2 is the method flow diagram of the acquisition system information that the embodiment of the present invention 2 provides;
Fig. 3 is the method flow diagram of the acquisition system information that the embodiment of the present invention 3 provides;
Fig. 4 is the method flow diagram of the acquisition system information that the embodiment of the present invention 4 provides;
Fig. 5 is the structure drawing of device of the acquisition system information that the embodiment of the present invention 5 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
See Fig. 1, present embodiments provide a kind of equipment obtaining system information, comprising:
Receiver 101, for receiving WAP (wireless access point) information management RIM request message;
Processor 102, for by the evolution base station eNodeB identity map in this RIM request message being a radio network controller (RNC) mark, this RNC is designated non-existent RNC mark in existing network;
Memory 103, identifies for preserving this eNodeB the mapping relations identified with RNC;
Transmitter 104, for identifying the system information to base station controller BSC or radio network controller (RNC) request target community according to this RNC;
Receiver 101 is also for receiving the RIM response message carrying this system information;
Processor 102 is also for replacing with corresponding eNodeB mark according to these mapping relations by the RNC mark in this RIM response message;
Transmitter 104 also for send comprise described eNodeB identify RIM response message to the eNodeB of correspondence.
In the present embodiment, described existing network refers to existing 2G/3G network.Described Target cell refers to that UE is from the community be positioned at after LTE network falls back to 2G/3G network, by this Target cell for UE provides voice service, to complete R9CSFB flow process.Described system information refers to SIB(SystemInformationBlock, system information block), usually by BSC or RNC broadcast transmission, for UE access of radio network.
Wherein, in conjunction with the said equipment, under the first execution mode, processor 102 for:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond this RNC identifiable scope identifies by the eNodeB identity map in this RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in this RIM request message, this pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
Wherein, in conjunction with the said equipment, under the second execution mode, processor 102 for:
It is a RNC mark by the eNodeB identity map in this RIM request message, this RNC mark comprises MCC(MobileCountryCode, national code), MNC(MobileNetworkCode, Mobile Network Code), LAC(LocationAreaCode, lane place encode), RAC(RoutingAreaCode, Routing Area Code) and RNCID(IDentity, identify label number); This RNC identifies and at least meets following a kind of condition:
This MCC is the non-existent MCC of existing network;
This MNC is the non-existent MNC of existing network;
This LAC is the non-existent LAC of existing network;
This RAC is the non-existent RAC of existing network;
This RNCID is the non-existent RNCID of existing network.
Wherein, in conjunction with the said equipment, under the third execution mode,
The RIM request message that receiver 101 sends for receiving eNodeB;
Transmitter 104 sends RIM request message, by the system information of this SGSN to BSC or RNC request target community for identifying according to this RNC to service general grouping service wireless support point SGSN;
The RIM response message carrying this system information that receiver 101 sends for receiving this SGSN.
In conjunction with the said equipment, under the 4th kind of execution mode,
The RIM request message that receiver 101 is sent for receiving mobile management entity MME;
Transmitter 104 is for identifying the system information to BSC or RNC request target community according to this RNC;
The RIM response message carrying this system information that receiver 101 sends for receiving this BSC or RNC;
Transmitter 104 comprises RIM response message that this eNodeB identifies to this MME for sending, and is transmitted to corresponding eNodeB by this MME.
The said equipment that the present embodiment provides, by receiving RIM request message, being non-existent RNC mark in an existing network by eNodeB identity map wherein, and preserving the mapping relations that this eNodeB identifies and RNC identifies, the system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of this eNodeB mark to the eNodeB of correspondence, eNodeB is made to obtain the system information of Target cell, and owing to by eNodeB identity map being RNC mark, just R9RIM flow process can be realized without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Embodiment 2
See Fig. 2, present embodiments provide a kind of method obtaining system information, the method comprises:
201: receive WAP (wireless access point) information management RIM request message;
202: be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in this request message, this RNC is designated non-existent RNC mark in existing network, and preserves the mapping relations that this eNodeB identifies and RNC identifies;
203: identify the system information to base station controller BSC or radio network controller (RNC) request target community according to this RNC, and receive the RIM response message carrying this system information;
204: according to above-mentioned mapping relations, the RNC mark in this RIM response message is replaced with corresponding eNodeB mark, and transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence.
In the present embodiment, described existing network refers to existing 2G/3G network.Described Target cell refers to that UE is from the community be positioned at after LTE network falls back to 2G/3G network, by this Target cell for UE provides voice service, to complete R9CSFB flow process.Described system information refers to SIB, usually by BSC or RNC broadcast transmission, for UE access of radio network.
In conjunction with said method, under the first execution mode, be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in this request message, comprise:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond this RNC identifiable scope identifies by the eNodeB identity map in this RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in this RIM request message, this pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
In conjunction with said method, under the second execution mode, be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in this request message, comprise:
Be a RNC mark by the eNodeB identity map in this RIM request message, this RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, this RNC identifies and at least meets following a kind of condition:
This MCC is the non-existent MCC of existing network;
This MNC is the non-existent MNC of existing network;
This LAC is the non-existent LAC of existing network;
This RAC is the non-existent RAC of existing network;
This RNCID is the non-existent RNCID of existing network.
In conjunction with said method, under the third execution mode, receive WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that eNodeB sends;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to this RNC, and receive the RIM response message carrying this system information, comprising:
Identify according to this RNC and send RIM request message to service general grouping service wireless support point SGSN, by the system information of described SGSN to BSC or RNC request target community, and receive the RIM response message carrying this system information of this SGSN transmission.
In conjunction with said method, under the 4th kind of execution mode, receive WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that mobile management entity MME is sent;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to this RNC, and receive the RIM response message carrying this system information, comprising:
Identify the system information to BSC or RNC request target community according to this RNC, and receive the RIM response message carrying this system information of this BSC or RNC transmission;
And transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, comprising:
Transmission comprises the RIM response message of described eNodeB mark to this MME, is transmitted to corresponding eNodeB by this MME.
The said method that the present embodiment provides, by receiving RIM request message, being non-existent RNC mark in an existing network by eNodeB identity map wherein, and preserving the mapping relations that this eNodeB identifies and RNC identifies, the system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, eNodeB is made to obtain the system information of Target cell, and owing to by eNodeB identity map being RNC mark, just R9RIM flow process can be realized without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Embodiment 3
See Fig. 3, present embodiments provide a kind of method obtaining system information, do not upgrade existing network SGSN, and complete R9RIM by the adaptive R7RIM flow process of MME, help through the rapid deployment of R9CSFB business, the method comprises:
301:eNodeB sends DirectInformationTransfer message to MME, the system information of acquisition request Target cell;
The present embodiment is based on R9RIM flow process, and described Target cell refers to that UE is from the community be positioned at after LTE network falls back to 2G/3G network, and the system information that eNodeB obtains this Target cell completes R9CSFB flow process for UE.Described system information refers to SIB.
Wherein, the source address in this message is eNodeBID, and destination address is the community CellID of 2G network or the RNCID of 3G network.
302:MME receives the DirectInformationTransfer direct information transmission message that eNodeB sends, eNodeBID in this message is mapped as a RNCID, this RNCID is non-existent RNCID in existing network, and preserves the mapping relations of this eNodeBID and RNCID;
Wherein, the RNCID after mapping replaces eNodeBID as the source address in this DirectInformationTransfer message.
In the present embodiment, this RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID, can be expressed as form:
MCC+MNC+LAC+RAC+RNCID；
The RNC mark with the above-mentioned form of expression at least meets following a kind of condition:
This MCC is the non-existent MCC of existing network;
This MNC is the non-existent MNC of existing network;
This LAC is the non-existent LAC of existing network;
This RAC is the non-existent RAC of existing network;
This RNCID is the non-existent RNCID of existing network.
Such as, can pre-set the scope of a LAC, this scope is a scope beyond the LAC of existing network, when carrying out the mapping of eNodeBID to RNCID, choose a LAC to construct RNCID within the scope of the LAC that can preset from this, now, in this RNCID, other yard can be all the code of existing network.
RNCID after mapping in the present embodiment is the non-existent RNCID of existing network, and the RNCID after mapping and the RNCID in existing network can be avoided to repeat to cause the transmission of RIM message error.
303:MME sends RANInformationRelay wireless access network information relay message to target SGSN, carries above-mentioned RNCID as source address in this message;
Wherein, MME can obtain RIM routing iinformation from the DirectInformationTransfer message received, and the RAI(RoutingAreaIdentity extracted in this RIM routing iinformation, Routing Area Identifier) information, this RAI is utilized to construct FQDN(FullyQualifiedDomainName, full name domain name), then with this FQDN to DNS(DomainNameServer, domain name system) inquire about the target SGSN obtaining correspondence.In the present embodiment, if make RAI have change when step 302 maps, then DNS can do corresponding configuration according to this change, so that inquiry, does not do too much explanation herein.
304: after target SGSN receives this RANInformationRelay message, send DirectInformationTransfer message to BSC or RNC, carry above-mentioned RNCID in this message as source address;
Wherein, target SGSN can according to the RIM routing address in the RANInformationRelay message received, BSC or RNC from dns lookup to correspondence.
After 305:BSC or RNC receives this DirectInformationTransfer message, return the DirectInformationTransfer message of the system information of carrying Target cell to described SGSN, and carry described RNCID in this message as destination address;
306: described SGSN receive the DirectInformationTransfer message of the system information of carrying Target cell after, be transmitted to MME;
Wherein, SGSN can obtain RIM routing iinformation in the DirectInformationTransfer message received, and extracts the RAI information in this RIM routing iinformation, obtains corresponding MME according to this RAI information in DNS query.
307:MME receive above-mentioned carry the DirectInformationTransfer message of the system information of Target cell after, according to the above-mentioned mapping relations of having preserved, RNCID in this message is replaced with corresponding eNodeBID, transmission comprises the message of this eNodeBID to the described eNodeB of correspondence.
The said method that the present embodiment provides, receives RIM request message by MME, is non-existent RNC mark in an existing network, and preserves the mapping relations that this eNodeB identifies and RNC identifies by eNodeB identity map wherein; The system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, makes eNodeB obtain the system information of Target cell; And, because eNodeB identity map is RNC mark by MME, just can realize R9RIM flow process without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Embodiment 4
See Fig. 4, present embodiments provide a kind of method obtaining system information, do not upgrade existing network SGSN, and complete R9RIM by the adaptive R7RIM flow process of SGSN, help through the rapid deployment of R9CSFB business, the method comprises:
401:eNodeB sends DirectInformationTransfer message to MME, the system information of acquisition request Target cell;
The present embodiment is based on R9RIM flow process, and described Target cell refers to that UE is from the community be positioned at after LTE network falls back to 2G/3G network, and the system information that eNodeB obtains this Target cell completes R9CSFB flow process for UE.Described system information refers to SIB.
Wherein, the source address in this message is eNodeBID, and destination address is the community CellID of 2G network or the RNCID of 3G network.
402:MME receives the DirectInformationTransfer direct information transmission message that eNodeB sends, and sends RANInformationRelay wireless access network information relay message to target SGSN;
Wherein, MME can obtain RIM routing iinformation from the DirectInformationTransfer message received, and extracts the RAI information in this RIM routing iinformation, utilizes this RAI to construct FQDN, then obtains corresponding target SGSN with this FQDN to DNS query.
403: after target SGSN receives above-mentioned RANInformationRelay message, the eNodeBID in this message is mapped as a RNCID, this RNCID is non-existent RNCID in existing network, and preserves the mapping relations of this eNodeBID and RNCID;
Wherein, the RNCID after mapping replaces eNodeBID as the source address in this DirectInformationTransfer message.
In the present embodiment, this RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID, can be expressed as form:
MCC+MNC+LAC+RAC+RNCID；
The RNC mark with the above-mentioned form of expression at least meets following a kind of condition:
This MCC is the non-existent MCC of existing network;
This MNC is the non-existent MNC of existing network;
This LAC is the non-existent LAC of existing network;
This RAC is the non-existent RAC of existing network;
This RNCID is the non-existent RNCID of existing network.
Such as, can pre-set the scope of a LAC, this scope is a scope beyond the LAC of existing network, when carrying out the mapping of eNodeBID to RNCID, choose a LAC to construct RNCID within the scope of the LAC that can preset from this, now, in this RNCID, other yard can be all the code of existing network.
RNCID after mapping in the present embodiment is the non-existent RNCID of existing network, and the RNCID after mapping and the RNCID in existing network can be avoided to repeat to cause the transmission of RIM message error.
404: target SGSN sends DirectInformationTransfer message to BSC or RNC, carries above-mentioned RNCID as source address in this message;
Wherein, target SGSN can according to the RIM routing address in the RANInformationRelay message received, BSC or RNC from dns lookup to correspondence.
After 405:BSC or RNC receives this DirectInformationTransfer message, return the DirectInformationTransfer message of the system information of carrying Target cell to described SGSN, wherein, this message also carries above-mentioned RNCID as destination address;
406: described SGSN receive the DirectInformationTransfer message of the system information of carrying Target cell after, according to the above-mentioned mapping relations of having preserved, RNCID in this message is replaced with corresponding eNodeBID, transmission comprises the message of this eNodeBID to MME;
Wherein, SGSN can obtain RIM routing iinformation in the DirectInformationTransfer message received, and extracts the RAI information in this RIM routing iinformation, obtains corresponding MME according to this RAI information in DNS query.
407:MME receive above-mentioned carry the DirectInformationTransfer message of the system information of Target cell after, the system information of this Target cell is sent to the eNodeB that described eNodeBID is corresponding.
The said method that the present embodiment provides, receives RIM request message by SGSN, is non-existent RNC mark in an existing network, and preserves the mapping relations that this eNodeB identifies and RNC identifies by eNodeB identity map wherein; The system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of this eNodeB mark to the MME of correspondence, by MME, this system information is sent to corresponding eNodeB, make eNodeB obtain the system information of Target cell; And, because eNodeB identity map is RNC mark by SGSN, just can realize R9RIM flow process without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Embodiment 5
See Fig. 5, present embodiments provide a kind of device obtaining system information, this device comprises:
Receiver module 501, for receiving WAP (wireless access point) information management RIM request message;
Mapping block 502, for by the evolution base station eNodeB identity map in this request message being a radio network controller (RNC) mark, this RNC is designated non-existent RNC mark in existing network;
Memory module 503, identifies for preserving this eNodeB the mapping relations identified with RNC;
Sending module 504, for identifying the system information to base station controller BSC or radio network controller (RNC) request target community according to this RNC;
Receiver module 501 is also for receiving the RIM response message carrying this system information;
This RNC mark in this RIM response message also for according to these mapping relations, is replaced with this corresponding eNodeB and identifies by mapping block 502;
Sending module 504 also for send comprise described eNodeB identify RIM response message to the eNodeB of correspondence.
In conjunction with said apparatus, under the first execution mode, mapping block 502 for:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond this RNC identifiable scope identifies by the eNodeB identity map in this RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in this RIM request message, this pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
In conjunction with said apparatus, under the second execution mode, mapping block 502 for:
Be a RNC mark by the eNodeB identity map in this RIM request message, this RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, this RNC identifies and at least meets following a kind of condition:
This MCC is the non-existent MCC of existing network;
This MNC is the non-existent MNC of existing network;
This LAC is the non-existent LAC of existing network;
This RAC is the non-existent RAC of existing network;
This RNCID is the non-existent RNCID of existing network.
In conjunction with said apparatus, under the third execution mode, receiver module 501 for: receive eNodeB send RIM request message;
Correspondingly, sending module 504 for: identify according to this RNC and send RIM request message, by the system information of this SGSN to BSC or RNC request target community to service general grouping service wireless support point SGSN; Receiver module 501 for: receive this SGSN send the RIM response message carrying this system information.
In conjunction with said apparatus, under the 4th kind of execution mode, receiver module 501 for: receive the RIM request message sent of mobile management entity MME;
Correspondingly, sending module 504 for: identify to the system information of BSC or RNC request target community according to this RNC; Receiver module 501 for: receive this BSC or RNC send the RIM response message carrying this system information; And, sending module 504 for: send and comprise RIM response message that described eNodeB identifies to this MME, be transmitted to corresponding eNodeB by this MME.
The said apparatus that the present embodiment provides can perform the method that above-mentioned either method embodiment provides, and detailed process refers to the description in embodiment of the method, does not repeat herein.
The said apparatus that the present embodiment provides, by receiving RIM request message, being non-existent RNC mark in an existing network by eNodeB identity map wherein, and preserving the mapping relations that this eNodeB identifies and RNC identifies, the system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, eNodeB is made to obtain the system information of Target cell, and owing to by eNodeB identity map being RNC mark, just R9RIM flow process can be realized without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
Embodiment 6
Present embodiments provide a kind of system obtaining system information, comprising: the equipment of the acquisition system information described in embodiment 1.
Described equipment in the present embodiment is identical with the described functions of the equipments described in embodiment 1, and the present embodiment repeats no more.Described system can perform the method that above-mentioned either method embodiment provides, and detailed process refers to the description in embodiment of the method, does not repeat herein.
The said system that the present embodiment provides, by receiving RIM request message, being non-existent RNC mark in an existing network by eNodeB identity map wherein, and preserving the mapping relations that this eNodeB identifies and RNC identifies, the system information to BSC or RNC request target community is identified according to this RNC, receive after carrying the RIM response message of this system information, according to these mapping relations, the RNC mark in RIM response message is replaced with corresponding eNodeB mark, transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, eNodeB is made to obtain the system information of Target cell, and owing to by eNodeB identity map being RNC mark, just R9RIM flow process can be realized without the need to carrying out upgrading to the SGSN in existing network, thus provide reliable guarantee for the rapid deployment realizing CSFB business, not only reduce the investment of operator, and ensure that the quality of speech business.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. obtain an equipment for system information, it is characterized in that, described equipment comprises:
Receiver, for receiving WAP (wireless access point) information management RIM request message;
Processor, for by the evolution base station eNodeB identity map in described RIM request message being a radio network controller (RNC) mark, described RNC is designated non-existent RNC mark in existing network;
Memory, identifies for preserving described eNodeB the mapping relations identified with RNC;
Transmitter, for identifying the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC;
Described receiver is also for receiving the RIM response message carrying described system information;
Described processor is also for replacing with corresponding described eNodeB mark according to described mapping relations by the described RNC mark in described RIM response message;
Described transmitter also for send comprise described eNodeB identify RIM response message to the eNodeB of correspondence.
2. equipment according to claim 1, is characterized in that, described processor is used for:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond described RNC identifiable scope identifies by the eNodeB identity map in described RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in described RIM request message, described pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
3. equipment according to claim 1, is characterized in that, described processor is used for:
Be a RNC mark by the eNodeB identity map in described RIM request message, described RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, described RNC mark at least meets following a kind of condition:
Described MCC is the non-existent MCC of existing network;
Described MNC is the non-existent MNC of existing network;
Described LAC is the non-existent LAC of existing network;
Described RAC is the non-existent RAC of existing network;
Described RNCID is the non-existent RNCID of existing network.
4. equipment according to claim 1, is characterized in that,
The RIM request message that described receiver sends for receiving eNodeB;
Described transmitter is used for sending RIM request message, by the system information of described SGSN to BSC or RNC request target community according to described RNC mark to service general grouping service wireless support point SGSN;
The RIM response message carrying described system information that described receiver sends for receiving described SGSN.
5. equipment according to claim 1, is characterized in that,
The RIM request message that described receiver is sent for receiving mobile management entity MME;
Described transmitter is used for according to the system information of described RNC mark to BSC or RNC request target community;
The RIM response message carrying described system information that described receiver sends for receiving described BSC or RNC;
Described transmitter comprises RIM response message that described eNodeB identifies to described MME for sending, and is transmitted to corresponding eNodeB by described MME.
6. obtain a method for system information, it is characterized in that, described method comprises:
Receive WAP (wireless access point) information management RIM request message;
Be a radio network controller (RNC) mark by the evolution base station eNodeB identity map in described request message, described RNC is designated non-existent RNC mark in existing network, and preserves the mapping relations that described eNodeB identifies and RNC identifies;
Identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information;
According to described mapping relations, the described RNC mark in described RIM response message is replaced with corresponding described eNodeB mark, and transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence.
7. method according to claim 6, is characterized in that, is a radio network controller (RNC) mark, comprises the evolution base station eNodeB identity map in described request message:
Obtaining already present RNC identifiable scope in existing network, is that any one RNC beyond described RNC identifiable scope identifies by the eNodeB identity map in described RIM request message; Or,
A RNC mark is chosen in pre-configured RNC identifiable scope, be the RNC mark chosen by the eNodeB identity map in described RIM request message, described pre-configured RNC identifiable scope is any one the RNC identifiable scope beyond the already present RNC identifiable scope of existing network.
8. method according to claim 6, is characterized in that, is a radio network controller (RNC) mark, comprises the evolution base station eNodeB identity map in described request message:
Be a RNC mark by the eNodeB identity map in described RIM request message, described RNC mark comprises national code MCC, Mobile Network Code MNC, lane place coding LAC, Routing Area Code RAC and RNCID;
Wherein, described RNC mark at least meets following a kind of condition:
Described MCC is the non-existent MCC of existing network;
Described MNC is the non-existent MNC of existing network;
Described LAC is the non-existent LAC of existing network;
Described RAC is the non-existent RAC of existing network;
Described RNCID is the non-existent RNCID of existing network.
9. method according to claim 6, is characterized in that, receives WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that eNodeB sends;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information, comprising:
Send RIM request message according to described RNC mark to service general grouping service wireless support point SGSN, by the system information of described SGSN to BSC or RNC request target community, and receive the RIM response message carrying described system information of described SGSN transmission.
10. method according to claim 6, is characterized in that, receives WAP (wireless access point) information management RIM request message, comprising:
Receive the RIM request message that mobile management entity MME is sent;
Correspondingly, identify the system information to base station controller BSC or radio network controller (RNC) request target community according to described RNC, and receive the RIM response message carrying described system information, comprising:
According to the system information of described RNC mark to BSC or RNC request target community, and receive the RIM response message carrying described system information of described BSC or RNC transmission;
And transmission comprises the RIM response message of described eNodeB mark to the eNodeB of correspondence, comprising:
Transmission comprises the RIM response message of described eNodeB mark to described MME, is transmitted to corresponding eNodeB by described MME.
11. 1 kinds of systems obtaining system information, it is characterized in that, described system comprises: the equipment according to any one of claim 1 to 5.
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