CN101448217A - Short message service implementation system and sending and receiving method - Google Patents
Short message service implementation system and sending and receiving method Download PDFInfo
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- CN101448217A CN101448217A CNA2008100847474A CN200810084747A CN101448217A CN 101448217 A CN101448217 A CN 101448217A CN A2008100847474 A CNA2008100847474 A CN A2008100847474A CN 200810084747 A CN200810084747 A CN 200810084747A CN 101448217 A CN101448217 A CN 101448217A
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Abstract
The invention provides a short message service implementation system and a sending and receiving method. The message service implementation system comprises user equipment (UE), an evolved packet system (EPS) network and a short message sub-system, wherein, the UE is used for sending and receiving short messages by the EPS network after accessing to the EPS network; the EPS network is provided with a short message interactive interface for forwarding the short messages to the short message sub-system after receiving the short messages which are sent by the calling UE, and forwarding the short messages to the called UE after receiving the short messages from the short message sub-system; and the short message sub-system is used for receiving and storing the short messages which are sent by the UE through networks including the EPS, and sending the short messages to the EPS network if the called is found in the EPS network. The system is provided with a short message interactive interface by the EPS network so that a user can perform short message services in the EPS network.
Description
Technical field
The present invention relates to the communications field, more specifically to a kind of short message service implementation method and system of the packet switching network based on evolution.
Background technology
In order to keep the strong competitiveness of 3-G (Generation Three mobile communication system), must improve the cost of its network performance and reduction networking and operation at moving communicating field.Therefore, 3GPP (3rd GenerationPartnership Project, third generation partner program) standardization effort group is just being endeavoured research at present to PS Core (Packet Switched Core, packet switched core network) and UTRAN (UniversalMobile Telecommunication System Radio Access Network, the global system for mobile communications wireless access network) evolution, purpose is to make the PS Core (being called for short EPC) of evolution that higher transmission rate can be provided, shorter transmission delay, and support E-UTRAN (Evolved UTRAN, the UTRAN of evolution), GERAN (GSM EDGE radio access network, GSM EDGE wireless access network, wherein GSM is the abbreviation of Global Systemfor Mobile communications, it is global system for mobile communications, EDGE is the abbreviation of Enhanced Data Rate for GSM Evolution, be the enhanced data rates for gsm evolution technology), UTRAN, mobile management between the access network of WLAN (Wireless Local AreaNetwork, WLAN (wireless local area network)) and other non-3GPP.The mobile communication system of this evolution just is called as EPS (Evolved Packet System, the grouping domain system of evolution), and its basic framework is as shown in Fig. 1 frame of broken lines.Each entity declaration is as follows among Fig. 1:
Subscriber equipment (User Equipment is called for short UE) 101: have the terminal that can insert two kinds of wireless network abilities and be called dual-mode terminal.According to the ability of while access of radio network, dual-mode terminal can be divided into the single wireless channel access again and two wireless channels access terminal.The former can only insert a kind of wireless network at one time; The latter can be linked in two kinds of Radio Access Networks simultaneously.
E-UTRAN 102: the wireless access network of evolution can provide higher up-downgoing speed, lower transmission delay and reliable more wireless transmission.
Gateway (Serving Gateway is called for short S-GW) 103 is user entities, is responsible for the user face data route and handles.
Packet data network gateway (Packet Data Network Gateway is called for short PDN GW or P-GW) 104 is responsible for the gateway function that UE inserts PDN (Packet Data Network, Packet Data Network).PGW and SGW may close and be located in the physical entity.
Mobility Management Entity (Mobility Management Entity, be called for short MME) 105, it is a chain of command entity, the server of interim storaging user data, be in charge of and store UE context (such as UE/ user ID, mobility management states, user security parameters etc.), for the user distributes temporary mark, when quartering at this tracing area or this network, is responsible for UE this user is carried out authentication.
Home subscriber server (Home Subscriber Server is called for short HSS) 106 comprises attaching position register (Home Location Register is called for short HLR) function, preserves user's master data and business datum.
UE has 3 states relevant with the present invention at the EPS network: branch amorph, Idle state and activity attitude.Divide amorph, it is current not in the EPS network insertion to refer to UE; Idle state, it is current in the EPS network insertion to refer to UE, and signaling link discharges between UE and the MME, and the S1-MME signaling link discharges between E-UTRAN and the MME, S1-U user's face link discharges between E-UTRAN and the S-GW, and at this moment UE does not have ongoing IP operation; The activity attitude, it is current in the EPS network insertion to refer to UE, between UE and the MME signaling link is arranged, and the S1-MME signaling link exists between E-UTRAN and the MME, and S1-U user's face link exists between E-UTRAN and the S-GW, and UE has ongoing IP operation.
IP (Internet Protocol, Internet protocol) IP multimedia subsystem, IMS (IP Multimedia CoreNetwork Subsystem, be called for short IMS) be a kind of IP-based network framework that proposes by 3GPP, it has made up an opening and service environment flexibly, support multimedia application, and provide abundant multimedia service for the user.IMS is based on the communication network framework of IP, irrelevant with access technology, except being EPS, GPRS (General Packet Radio Service, GPRS), WLAN (Wireless Local Area Network, WLAN (wireless local area network)) etc. packet access network provides outside the business, also can provide professional for GSM, UMTS mobile cellular networks such as (Universal Mobile Telecommunications System, universal mobile telecommunications system).
GERAN/UTRAN107: the wireless access network of traditional GSM/UMTS network.
Mobile switching centre's (Mobile Switching Center is called for short MSC)/VLR Visitor Location Register (Visitor Location Register is called for short VLR) 108.
Gateway MSC (Gateway Mobile Switching Center is called for short GMSC) 109.
GPRS serving GPRS support node (Serving GPRS Support Node, be called for short SGSN) 110, it is the control network element of GPRS network, main effect is the positional information of record UE, and between UE and GGSN (Gateway GPRS Supporting Node is called for short GGSN), finish the transmission and the reception of mobile packet data.
Note Gateway MSC (Gateway MSC For Short Message Service is called for short SMSGMSC) 111 receives note from sms center, behind HSS inquiry routing iinformation note is dealt into the map network entity.
Note intercommunication MSC (Interworking MSC For Short Message Service is called for short SMSIWMSC) 112 receives note and is submitted to sms center.
Sms center (Service Center is called for short SC) 113 is responsible for transfer, storage forwarding short message.
As UE during in the GSM/UMTS network insertion, user's basic speech business and be by circuit (Circuit Switched based on the supplementary service of speech business, abbreviation CS) territory provides, MSC/VLR among Fig. 1, GMSC belong to the CS domain network element, the user by the CS territory can with Home Network in or the user of other network (such as fixed-line telephone network, other mobile network) carry out audio call class business.User's IP operation provides by PS (Packet Switched, packet switching) territory.SGSN belongs to the PS domain network element among Fig. 1.The user visits Packet Data Network by the PS territory, and the IP network that operator provides among Fig. 1 is exactly a Packet Data Network.
In the prior art, the interface between MSC/VLR and the SGSN is called Gs interface.MSC/VLR was by the UE of PS territory paging to the called subscriber after Gs interface was finished and set up Gs incidence relation (preserve VLR number at SGSN, preserve the SGSN number at VLR) and setting up the Gs incidence relation between MSC/VLR and SGSN.
As UE during in the EPS network insertion, user's basic speech business and based on the supplementary service of speech business by IMS control, EPS system itself can not provide and control voice call service, and the carrying of IP data can only be provided.But when the EPS network design, as shown in Figure 2, some operator only disposes the EPS network in the key area that the UMTS/GSM network has covered, be used for providing IP data service at a high speed for the user, there be not (or not thinking) to dispose IMS, under this kind scene, operator wishes to provide CS Networks such as voice call service, short message service, positioning service, non-structured supplementary service by the UMTS/GSM CS network that covers comprehensively.But for the dual-mode terminal of single wireless channel, the user just can't carry out above-mentioned business such as audio call when inserting the EPS network.In order to guarantee that the user can carry out business such as audio call, a kind of the simplest also be that the solution of unique support of 3GPP present stage is exactly to carry out audio call etc. when professional, allow UE switch to the network insertion from UMTS/GSM from the EPS network insertion, network is realized speech business in UMTS/GSM CS territory; The user switches to UMTS/GSM PS territory network in the current ongoing IP operation of EPS network, if ongoing IP operation can not switch to UMTS/GSM PS territory, just hangs up in the EPS network or release.Here it is usually said circuit domain dropping (CS fallback perhaps is called CS and falls after rise).
Existing circuit domain dropping implementation method is roughly as follows: introduce the interface of a similar Gs between MME and MSC/VLR, be called SGs (as shown in fig. 1).When the UE start inserts the EPS network, set up Gs incidence relation (in MME, preserve VLR number, in VLR, preserve the MME number) by the SGs interface between MME and the MSC/VLR.Follow-up when the user is mobile in network, user's latest position information can be updated to MME, if MME changes, the MME information of preserving among the VLR also can be upgraded, and the MME information of preserving among the assurance VLR accurately always.
When inserting the business such as UE initiation audio call of EPS network, UE sends a specific message to E-UTRAN, E-UTRAN initiates switching flow after receiving this message, the current ongoing IP operation of user switched to UMTS/GSM PS network or in the hang-up of EPS network etc., UE inserts the UMTS/GSM network and initiates professional flow process such as audio call at the CS network then.
During as called (the receiving business such as audio call) of CS business, MSC/VLR sends out the CS beep-page message for the EPS network by Gs interface at the UE that inserts the EPS network, and the EPS network receives the CS paging request message, carries out circuit domain dropping.
Existing CS falling technology realizes that short message service has two kinds of optional methods.
First method is that UE is linked into the CS network earlier when carrying out short message service, finish short message service again.The flow process of UE transmission and reception note respectively as shown in Figure 3 and Figure 4.
The flow process that UE sends note comprises following steps:
Step 301, UE switches to the CS network from the EPS network, if UE has ongoing IP operation on EPS, then the situation according to objective network may switch to UMTS/GSM to the PS business
The PS network if objective network is not supported this PS business, is then hung up or is discharged this PS business;
Step 302, UE sends a request message to MSC/VLR, just note has been issued MSC/VLR;
Step 303, MSC/VLR is transmitted to SMS-IWMSC to note;
Step 304, SMS-IWMSC is dealt into sms center to note again;
Step 305-307, SC sends out delivery report through SMS-IWMSC and MSC/VLR to UE, and the affirmation note is received.
The flow process that UE receives note comprises following steps:
Step 401, SC sends out message to SMS-GMSC, wherein has the short message content of issuing UE;
Step 402, SMS-GMSC inquires about routing iinformation to HSS, and request HSS provides the address of target network node;
Step 403, HSS returns the MSC/VLR address and gives SMS-GMSC;
Step 404, SMS-GMSC gives the MSC/VLR forwarding short message, just note has been issued MSC/VLR;
Step 405-406, MSC/VLR is by EPS paging UE, and this beep-page message has carried CS territory paging sign, and this paging of indication UE is MSC/VLR paging UE, and UE just knows after receiving beep-page message and return page-response message to MSC/VLR like this;
Step 407, UE switches to the CS network from the EPS network, if UE has ongoing IP operation on EPS, then the situation according to objective network may switch to the UMTS/GSMPS network to the PS business, if objective network is not supported this PS business, then hang up or discharge this PS business.
Step 408, UE returns page response to MSC/VLR, and MSC/VLR just can send short messages to UE then;
Step 409, MSC/VLR sends out message to UE, has wherein carried short message content.
Step 410-412, UE sends out delivery report through MSC/VLR and SMS-GMSC to SC, and notice SC note is received.
Second method is, EPS provides the tunnel between UE and the MSC/VLR, UE sending/when receiving note, need not fall back to CS, but undertaken finishing the short message receiving-transmitting flow process alternately by tunnel and the MSC/VLR that EPS provides.
The flow process that UE sent and received note respectively as shown in Figure 5 and Figure 6.
The flow process that UE sends note comprises following steps:
Step 501, UE from EPS network, SGs interface attached to the CS network.
Step 502, UE sends out non-access layer information to MME, and this message has encapsulated UE and has sent request for the note of MSC/VLR.
Step 503, MME is transmitted to MSC/VLR to the note of receiving by the upstream data bag.
Step 504, MSC/VLR is transmitted to SMS-IWMSC to note.
Step 505, SMS-IWMSC is dealt into sms center to note again.
Step 506-507, SC sends out delivery report through SMS-IWMSC to MSC/VLR, and the affirmation note is received.
Step 508, MSC/VLR is transmitted to MME to delivery report by downlink data packet.
Step 509, MME is transmitted to UE to this delivery report by non-access layer information again, and UE just knows that note has sent to SC.
The flow process that UE receives note comprises following steps:
Step 601, UE from EPS network, SGs interface attached to the CS network.
Step 602, SC sends out message to SMS-GMSC, wherein has the short message content of issuing UE.
Step 603, SMS-GMSC inquires about routing iinformation to HSS, and request HSS provides the address of target network node.
Step 604, HSS returns the MSC/VLR address and gives SMS-GMSC.
Step 605, SMS-GMSC gives the MSC/VLR forwarding short message, just note has been issued MSC/VLR.
Step 606, MSC/VLR issues MME to note by downlink data packet.
Step 607-608, MME paging UE, UE returns page response.If UE has ongoing IP operation on EPS, then do not need this paging flow process.MSC/VLR just can send short messages to UE then.
Step 609, MME sends out non-access layer information to UE, has wherein carried short message content.
Step 610-613, UE sends out delivery report through MME, MSC/VLR and SMS-GMSC to SC, and notice SC note is received.Wherein MME transmits this delivery report by the upstream data bag to MSC/VLR.
As mentioned above, for first method, if objective network does not support PS to switch, perhaps the bandwidth of target P S network is not enough, and perhaps UE does not support to carry out simultaneously CS and PS business, then can cause the current IP operation of UE to be interrupted.That is to say, when the user has IP operation carrying out, can be because some inessential notes or even waste advertisements or riot note have influenced ongoing business (recreation that enjoys a lot such as the user, video etc.), this is that the user is undesirable.
Second method can not influence the ongoing IP operation of user, but need receive and send note by MSC/VLR, and existing MSC/VLR provides Gs interface, upstream data bag message on this interface and downlink data packet message are only effective to the MSC/VLR of non-GSM, that is to say that second method need carry out upgrading to the MSC/VLR of existing network.If relevant MSC/VLR is the equipment of other operator, possible this operator not wants MSC/VLR is carried out upgrading.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of implementation method of short message service, so that the user carries out short message service at the EPS network, and does not need a large amount of existing network CS equipment are carried out upgrading.
In order to address the above problem, the invention provides a kind of realization system of short message service, this system comprises user equipment (UE), the packet network EPS of evolution and note subsystem, wherein,
After UE is used to insert the EPS network, send and receive note by the EPS network;
The EPS network has the short message interacting interface, is used for after receiving the short message that calling UE is sent, to described note subsystem forwarding short message message; And after receiving the short message that the note subsystem is sent, it is transmitted to called UE;
The note subsystem is used to receive the short message that UE sends by the network that comprises EPS and stores, as inquires the called EPS of being positioned at network, then described short message is forwarded to the EPS network.
Further, the EPS network comprises Mobility Management Entity MME, and Mobility Management Entity is used for finishing access procedure alternately with caller or called UE when UE sends and receive short message; And the short message interacting interface is provided, and after receiving the short message of UE, be transmitted to the note subsystem, after receiving note subsystem short message, be transmitted to called UE.
Further, Mobility Management Entity is different with the agreement that the note subsystem is supported, Mobility Management Entity by gateway S-GW, GPRS serving GPRS support node SGSN or independently the function conversion entity interface between MME and the note subsystem is provided, be responsible for the note related news between conversion MME and the note subsystem.
Further, user equipment (UE) is when EPS network and packet field network are registered simultaneously, UE is at the short message service of EPS network, by sending non-access layer information to MME and receiving the non-access layer information realization that MME sends, wherein carry the short message that subscriber equipment will send or receive in the non-access layer information, this realization system further comprises SGSN, wherein
MME is used to receive the non-access layer information of UE transmission or sends non-access layer information to UE, has wherein carried short message, and has sent out the upstream data bag and receive the downlink data packet that SGSN sends to SGSN;
SGSN is used to receive the upstream data bag of MME transmission and sends downlink data packet to MME, carries short message in the uplink and downlink packet.
In order to solve the problems of the technologies described above, the present invention also provides a kind of short message service sending method based on above system, and this method may further comprise the steps:
(A1) subscriber equipment inserts the EPS network;
(B1) subscriber equipment sends short message to the EPS network;
(C1) this short message of EPS forwarded is to the note subsystem.
Further, subscriber equipment is to send short message to the Mobility Management Entity MME of EPS network in the step (B1), is short message from the MME of EPS network to the note subsystem that transmitted the subscriber equipment transmission by in the step (C1).
Further, subscriber equipment sends short message to MME in the step (B1); Step (C1) further comprises the steps:
(C11) MME by and S-GW, SGSN or the independently S-GW, the SGSN that give of the forwards short message between the protocol conversion entity or independently protocol conversion entity; (C12) S-GW, SGSN or independently the protocol conversion entity send to the note subsystem after the short message of receiving is transformed.
Further, subscriber equipment is sent out non-access layer information to MME in the step (B1), and this message has encapsulated the short message of UE to SGSN;
Step (C1) comprises that further (C11) MME is transmitted to SGSN to the short message of receiving by the upstream data bag; (C12) SGSN transmits short message and gives the note subsystem.
In order to solve the problems of the technologies described above, the present invention also provides a kind of and has realized the short message service method of reseptance of system based on above short message service, and this method may further comprise the steps:
(A2) the note subsystem sends short message to the EPS network;
(B2) EPS ICQ called subscriber equipment is finished access procedure;
(C2) this short message of EPS forwarded is to called subscriber equipment.
Further, the note subsystem is judged the current access of UE at the EPS network in the step (A2), sends short message to the Mobility Management Entity MME of EPS network, is the short message that the MME by the EPS network transmits to subscriber equipment in the step (C2).
Step (A2) further comprises the steps:
(A21) the note subsystem is judged the current access of UE at the EPS network, to S-GW, the SGSN of EPS network or independently the protocol conversion entity transmit message;
(A22) S-GW, SGSN or independently the protocol conversion entity with message transformation become with the MME interface on message after, be transmitted to MME; MME forwarding short message message is given subscriber equipment in the step (C2).
Step (A2) further comprises: (A21) the note subsystem judges that the current access of UE is at the EPS network, to SGSN forwarding short message message; (A22) SGSN gives the MME of EPS network by downlink data packet forwarding short message message; MME sends out non-access layer information to subscriber equipment in the step (C2), has encapsulated the short message of issuing UE in this message.
Compared to prior art, system of the present invention provides the short message interacting interface by the EPS network, has realized that the user carries out the purpose of short message service at the EPS network, guarantees the availability of EPS Network, has improved user's satisfaction.Utilize system and method for the present invention to carry out short message service, do not need to relate to the circuit domain network element, even do not carry out circuit domain dropping, when also can satisfy the user and carry out IP operation, do not interrupt IP operation, carry out the demand of short message receiving-transmitting, nor must carry out upgrading a large amount of existing network CS equipment.
Description of drawings
Fig. 1 is the framework schematic diagram of related entities of the present invention, and frame of broken lines gets up partly to be the EPS basic network topology figure of system of the prior art among the figure, and dotted line is the interface that increases in the specific embodiment of the invention.
Fig. 2 is a kind of situation schematic diagram of EPS network and UMTS/GSM network coverage in the EPS network design process, also is the network design scene that circuit domain dropping is used.
Fig. 3 and Fig. 4 are respectively the message flow chart that the UE that is linked in the prior art under the EPS network sent, received a kind of implementation method of note, and wherein UE needs to be linked into the CS network before sending note.
Fig. 5 and Fig. 6 are respectively the message flow chart that the UE that is linked in the prior art under the EPS network sent, received the another kind of implementation method of note.
Fig. 7 and Fig. 8 are first kind of execution mode of the present invention, MME by provide and SMS-IWMSC and SMS-GMSC between the MAP interface realize short message interacting, wherein Fig. 7 is the note transmission flow, Fig. 8 is that note receives flow process.
Fig. 9 and Figure 10 are second kind of execution mode of the present invention, MME provide by S-GW and SMS-IWMSC and and SMS-GMSC between the MAP interface realize short message interacting, wherein Fig. 9 is the note transmission flow, Figure 10 is that note receives flow process.
Figure 11 and Figure 12 are the third execution mode of the present invention, MME through SGSN and SMS-IWMSC with link to each other with SMS-GMSC, SGSN be responsible for changing MME and SMS-IWMSC and and SMS-GMSC between the note related news, wherein Figure 11 is the note transmission flow, Figure 12 is that note receives flow process.
Figure 13 and Figure 14 are the 4th kind of execution mode of the present invention, MME through protocol conversion function entity and SMS-IWMSC with link to each other with SMS-GMSC, the protocol conversion function entity be responsible for changing MME and SMS-IWMSC and and SMS-GMSC between the note related news, wherein Figure 13 is the note transmission flow, and Figure 14 receives flow process for note.
Figure 15 and Figure 16 are the 5th kind of execution mode of the present invention, MME through SGSN and SMS-IWMSC with link to each other with SMS-GMSC, SGSN is responsible for handling the note flow process, MME provides the Tunneling of Messages between SGSN and UE, wherein Figure 15 is the note transmission flow, and Figure 16 receives flow process for note.
Embodiment
The realization system of short message service of the present invention and the core concept of method of sending and receiving are: provide short message service by packet switching network, when subscriber equipment (UE) need carry out short message service, do not need to carry out circuit domain dropping.
The realization system of short message service of the present invention comprises user equipment (UE), the packet network EPS of evolution and note subsystem, wherein,
After UE is used to insert the EPS network, send and receive note by the EPS network;
The EPS network has the short message interacting interface, is used for after receiving the short message that calling subscriber equipment UE sends, to described note subsystem forwarding short message message; And after receiving the short message that the note subsystem is sent, it is transmitted to called subscriber equipment UE;
The note subsystem is used to receive the short message that UE sends by the network that comprises EPS and stores, as inquires the called EPS of being positioned at network, then described short message is forwarded to the EPS network.
Particularly, the note subsystem comprises SC sms center, note gateway MSC SMS-GMSC, the note intercommunication SMS-IWMSC of mobile switching centre and home subscriber server HSS, wherein,
SC is responsible for transfer, storage forwarding short message;
SMS-GMSC is used for receiving note from sms center, behind HSS inquiry routing iinformation note is dealt into corresponding short message transceiving module;
SMS-IWMSC is used to receive note and is submitted to sms center;
Home subscriber server HSS is used to judge the terminal current location, if terminal inserts packet switching network, then according to the request of SMS-GMSC, returns the address or the number of the packet switching network entity of terminal correspondence.
The EPS network comprises Mobility Management Entity MME, and Mobility Management Entity is used for finishing access procedure alternately with caller or called UE when UE sends and receive note, comprises authentication, encryption etc.; And the note Fabric Interface is provided, and after receiving the short message of UE, be transmitted to the SMS-IWMSC of note subsystem, behind the short message of receiving note subsystem SMS-GMSC, be transmitted to called subscriber equipment UE.
If Mobility Management Entity is different with the agreement that the SMS-IWMSC/SMS-GMSC of note subsystem supports, then Mobility Management Entity by S-GW, SGSN or independently the function conversion entity interface between MME and the SMS-IWMSC/SMS-GMSC is provided, be responsible for the note related news between conversion MME and the SMS-IWMSC/SMS-GMSC.
If UE registers simultaneously at EPS network and packet domain PS network, then UE sends and receives the non-access layer information realization at the short message service of EPS network by UE, and MME is provided by the tunnel that provides the UE short message mutual, short message service of the present invention realizes that system finishes the process of handling short message service by SGSN, particularly
MME is used to receive the non-access layer information of UE transmission or sends non-access layer information to UE, wherein carries short message, and sends out the upstream data bag and receive the downlink data packet that SGSN sends to SGSN; SGSN is used to receive the upstream data bag of MME transmission and sends downlink data packet to MME, carries short message in the uplink and downlink packet.
Realize system based on above short message service, the present invention also provides short message service sending method and short message service method of reseptance.Concrete,
Short message service sending method of the present invention may further comprise the steps:
Steps A 1: subscriber equipment inserts the EPS network;
Step B1: subscriber equipment sends short message to the EPS network;
This short message of step C1:EPS forwarded is to the note subsystem.
Short message service method of reseptance of the present invention may further comprise the steps:
Steps A 2: the note subsystem sends short message to the EPS network;
Step B2:EPS ICQ called subscriber equipment is finished access procedure;
This short message of step C2:EPS forwarded is to called subscriber equipment.
Below in conjunction with embodiment and accompanying drawing short message service method of sending and receiving of the present invention is described in detail respectively.
Execution mode one
Execution mode as shown in Figure 7 and Figure 8 is applicable to that MME, SMS-IWMSC and SMS-GMSC support the situation of MAP (or DIAMETER) agreement simultaneously.In this execution mode, MME by provide and SMS-IWMSC and and SMS-GMSC between MAP (or DIAMETER) interface realize short message interacting.
Fig. 7 exhales (being that UE sends note) flow process for the note of present embodiment rises, mainly comprise following steps:
Step 701, UE gives MME sending service request message, and request sends note.MME and UE finish access procedure alternately, comprise authentication, encryption etc., and these all are prior aries, reach to repeat no more in the subsequent embodiment herein;
Step 702, UE sends note to MME and transmits message (Message Transfer), has short message content in this message;
Step 703, MME receives after note that UE sends transmits message, and content is carried out analyzing and processing, sends out forwarding short message message (Forward Short Message) to SMS-IWMSC then;
Step 704, SMS-IWMSC is transmitted to SC (send short messages and transmit message Message Transfer to SC) to note after receiving short message;
Step 705-707, SC return note delivery report (Delivery Report) and give UE, and notice UE note sends successfully.
Fig. 8 is the short message final calling flow process (being that UE receives note) of first kind of execution mode of the present invention, mainly comprises following steps:
Step 801, SC sends short messages and transmits message (Message Transfer) to SMS-GMSC;
Step 802, SMS-GMSC obtains routing iinformation to HSS;
Step 803, the current access of HSS judgement UE is issued SMS-GMSC to corresponding MME number at the EPS network;
More than the current access of said UE at the EPS network, be meant that UE is in Idle state, signaling link discharges between UE and the MME particularly, the S1-MME signaling link discharges between E-UTRAN and the MME, S1-U user's face link discharges between E-UTRAN and the S-GW, and at this moment UE does not have ongoing IP operation.
Step 804, SMS-GMSC sends out forwarding short message message (Forward Short Message) to this MME after judging that HSS has returned the MME number;
Step 805, MME paging object UE if UE has ongoing IP operation on EPS, does not then need this paging flow process, directly jump procedure 808;
Step 806, UE responds paging;
Step 807, UE finishes access process;
At this moment, UE is in the activity attitude, between UE and the MME signaling link is arranged, and the S1-MME signaling link exists between E-UTRAN and the MME, and S1-U user's face link exists between E-UTRAN and the S-GW, and UE has ongoing IP operation.
Step 808, MME sends note and issues UE (Message Transfer process);
Step 809-811, UE sends out delivery report (Delivery Report) to SC, and notice SC UE successfully receives note.
Execution mode two
In Fig. 9 and execution mode shown in Figure 10, MME provide by S-GW and SMS-IWMSC and and SMS-GMSC between the MAP interface realize short message interacting.This execution mode is applicable to that MME supports DIAMETER agreement, SMS-IWMSC and SMS-GMSC to support the situation of MAP.
Fig. 9 exhales (being that UE sends note) flow process for the note of present embodiment rises, mainly be that MME does not need to support MAP with the difference of Fig. 7, and S-GW is responsible for finishing the note related news between MME and SMS-IWMSC or the SMS-GMSC.Mainly comprise following steps:
Step 901, UE gives MME sending service request message, and request sends note, and MME and UE finish access procedure alternately, comprise authentication, encryption etc.;
Step 902, UE sends short messages to MME and transmits message (Message Transfer), has short message content in this message;
Step 903, MME receives after note that UE sends transmits message, content is carried out analyzing and processing, give S-GW forwarding short message message content (comprising short message content, note recipient's number, short message centre number etc.) by the message between MME and the S-GW then, convert forwarding short message message (Forward Short Message) to and send to SMS-IWMSC by S-GW again;
Step 904, SMS-IWMSC is transmitted to SC (send short messages and transmit message Message Transfer to SC) to note after receiving forwarding short message message;
Step 905-907, SC returns note delivery report (Delivery Report) along the message transmit path and gives UE, and notice UE note sends successfully.Wherein, the S-GW message that need change into the delivery report that SMS-IWMSC sends on S-GW and the MME interface is issued MME again.
Figure 10 is the short message final calling flow process (being that UE receives note) of second kind of execution mode of the present invention, mainly comprises following steps:
Step 1001, SC sends short messages and transmits message (Message Transfer) to SMS-GMSC;
Step 1002-1003, SMS-GMSC obtains routing iinformation to HSS, and the current access of HSS judgement UE is issued SMS-GMSC to corresponding MME number at the EPS network;
Step 1004, SMS-GMSC sends out forwarding short message message (Forward Short Message) to this MME after judging that HSS has returned the MME number, and this message arrives corresponding S-GW earlier, and S-GW issues MME after it is changed into message on S-GW and the MME interface;
Step 1005, MME paging object UE if UE has ongoing IP operation on EPS, does not then need this paging flow process, directly jump procedure 1008;
Step 1006, UE responds paging;
Step 1007, UE finishes access process;
Step 1008, MME issues UE (Message Transfer process) to note;
Step 1009-1011, UE sends out delivery report (DeliveryReport) along the message transmit path to SC, and notice SC UE successfully receives note.Wherein, S-GW S-GW that need send MME and the message on the MME interface change into delivery report and issue IW-GMSC again.
Execution mode three
In Figure 11 and execution mode shown in Figure 12, MME provide by SGSN and SMS-IWMSC and and SMS-GMSC between the MAP interface realize short message interacting.This execution mode is applicable to that MME supports DIAMETER agreement, SMS-IWMSC and SMS-GMSC to support the situation of MAP, SGSN be responsible for changing MME and SMS-IWMSC and and SMS-GMSC between the note related news.
Figure 11 exhales (being that UE sends note) flow process for the note of the third execution mode rises, mainly be that MME does not need to support MAP with the difference of Fig. 7, and SGSN finishes the note related news that MME or SMS-IWMSC send and is converted to corresponding MAP message.Mainly comprise following steps:
Step 1101, UE gives MME sending service request message, and request sends note, and MME and UE finish access procedure alternately, comprise authentication, encryption etc.;
Step 1102, UE sends note to MME and transmits message (Message Transfer), has short message content in this message;
Step 1103, MME receives after note that UE sends transmits message, content is carried out analyzing and processing, give SGSN forwarding short message message content by the message between MME and the SGSN then, convert forwarding short message message (Forward Short Message) to and send to SMS-IWMSC by SGSN again;
Step 1104, SMS-IWMSC is transmitted to SC (send short messages and transmit message Message Transfer to SC) to note after receiving forwarding short message message;
Step 1105-1107, SC return note delivery report (Delivery Report) and give UE, and notice UE note sends successfully.Wherein, the SGSN message that need change into the delivery report that SMS-IWMSC sends on SGSN and the MME interface is issued MME again.
Figure 12 is the short message final calling flow process (being that UE receives note) of the third execution mode of the present invention, mainly comprises following steps:
Step 1201, SC sends short messages and transmits message (Message Transfer) to SMS-GMSC;
Step 1202-1203, SMS-GMSC obtains routing iinformation to HSS, and the current access of HSS judgement UE is issued SMS-GMSC to corresponding MME number at the EPS network;
Step 1204, SMS-GMSC sends out forwarding short message message (Forward Short Message) to this MME after judging that HSS returns the MME number, and this message arrives SGSN earlier, and SGSN issues MME after it is changed into message on SGSN and the MME interface;
Step 1205, MME paging object UE if UE has ongoing IP operation on EPS, does not then need this paging flow process, directly jump procedure 1208;
Step 1206, UE responds paging;
Step 1207, UE finishes access process;
Step 1208, MME issues UE (Message Transfer process) to note;
Step 1209-1211, UE sends out delivery report (Delivery Report) to SC, and notice SC UE successfully receives note.Wherein, SGSN SGSN that need send MME and the message on the MME interface change into delivery report and issue IW-GMSC again.
Execution mode four
In Figure 13 and execution mode shown in Figure 14, MME provide by protocol conversion function entity independently and SMS-IWMSC or SMS-GMSC between the MAP interface realize short message interacting.This execution mode is applicable to that MME supports DIAMETER agreement, SMS-IWMSC and SMS-GMSC to support the situation of MAP.
Figure 13 is that the note of the 4th kind of execution mode works and exhale (being that UE sends note) flow process, mainly is that MME does not need to support MAP with the difference of Fig. 7, and the protocol conversion function entity is finished the note related news that MME or SMS-IWMSC send and is converted to corresponding MAP message.Mainly comprise following steps:
Step 1301, UE gives MME sending service request message, and request sends note.MME and UE finish access procedure alternately, comprise authentication, encryption etc.;
Step 1302, UE sends note to MME and transmits message (Message Transfer), has short message content in this message;
Step 1303, MME receives after note that UE sends transmits message, content is carried out analyzing and processing, give protocol conversion function entity forwarding short message message content by the message between MME and the protocol conversion function entity then, convert forwarding short message message (ForwardShort Message) to and send to SMS-IWMSC by the protocol conversion function entity again;
Step 1304, SMS-IWMSC is transmitted to SC (send short messages and transmit message Message Transfer to SC) to note after receiving forwarding short message message;
Step 1305-1307, SC return note delivery report (Delivery Report) and give UE, and notice UE note sends successfully.Wherein, the protocol conversion function entity message that need change into the delivery report that SMS-IWMSC sends on protocol conversion function entity and the MME interface is issued MME again.
Figure 14 is the short message final calling flow process (being that UE receives note) of the 4th kind of execution mode of the present invention, mainly comprises following steps:
Step 1401, SC sends short messages and transmits message (Message Transfer) to SMS-GMSC;
Step 1402-1403, SMS-GMSC obtains routing iinformation to HSS, and the current access of HSS judgement UE is issued SMS-GMSC to corresponding MME number at the EPS network;
Step 1404, after SMS-GMSC judges that HSS has returned the MME number, send out forwarding short message message (Forward Short Message) to this MME, this message arrives protocol conversion function entity earlier, and the protocol conversion function entity is issued MME after it is changed into message on protocol conversion function entity and the MME interface;
Step 1405, MME paging object UE if UE has ongoing IP operation on EPS, does not then need this paging flow process, directly jump procedure 1408;
Step 1406, UE responds paging;
Step 1407 is finished access process;
Step 1408, MME issues UE (Message Transfer process) to note;
Step 1409-1411, UE sends out delivery report (Delivery Report) to SC, and notice SC UE successfully receives note.Wherein, the protocol conversion function entity that need send MME of protocol conversion function entity and the message on the MME interface change into delivery report and issue IW-GMSC again.
Execution mode five
In Figure 15 and execution mode shown in Figure 16, bimodulus UE is registered in EPS network and PS network simultaneously, and MME provides the tunnel between UE and the SGSN, and UE is when sending or receiving note, and the tunnel and the SGSN that provide by EPS carry out finishing the short message receiving-transmitting flow process alternately.
Among Figure 15, the flow process that UE sends note comprises following steps:
Step 1501:UE gives MME sending service request message, and request sends note, and MME and UE finish access procedure alternately, comprise authentication, encryption etc.;
Step 1502:UE sends out non-access layer information to MME, and this message has encapsulated UE and transmitted message for the note of SGSN;
Step 1503:MME transmits forwards to the note of carrying in the non-access layer information of receiving by the upstream data bag and gives SGSN;
Step 1504:SGSN sends out forwarding short message message to SMS-IWMSC;
Step 1505:SMS-IWMSC is dealt into sms center (SMS-IWMSC sends short messages and transmits message to sms center) to note again;
Step 1506-1507:SC sends out delivery report through SMS-IWMSC to SGSN, and the affirmation note is received;
Step 1508:SGSN is transmitted to MME to delivery report by downlink data packet;
Step 1509:MME is encapsulated in delivery report in the non-access layer information and sends to UE, and UE just knows that note has sent to SC.
The flow process that UE shown in Figure 16 receives note comprises following steps:
Step 1601:SC wherein has the short message content of issuing UE to the SMS-GMSC transmission message of sending short messages;
Step 1602:SMS-GMSC inquires about routing iinformation to HSS, and request HSS provides the address of target network node;
Step 1603:HSS returns the SGSN address and gives SMS-GMSC;
Step 1604:SMS-GMSC sends out forwarding short message message to SGSN, just note has been issued SGSN;
Step 1605:SGSN issues MME to note by downlink data packet;
Step 1606-1608:MME paging UE, UE returns page response, finishes access process, if UE has ongoing IP operation on EPS, does not then need this paging flow process, directly execution in step 1609;
Step 1609:MME sends out non-access layer information to UE, has wherein encapsulated note and has transmitted message (short message content).
Step 1610-1613:UE sends out delivery report through MME, SGSN and SMS-GMSC to SC, and notice SC note is received.Wherein MME transmits this delivery report by the upstream data bag to SGSN.
More than five execution modes single channel and two kinds of terminals of double-channel all are suitable for, difference is:
1.UE in the EPS registration, can be linked into EPS promptly is the short message service that EPS user just can realize the preceding four kinds of modes of the present invention, and mode is that UE registers simultaneously at EPS and PS in the 5th;
2. in preceding four execution modes, EPS has the note disposal ability, independently finishing note by EPS handles, perhaps finish the processing of note via protocol conversion function, and in the 5th kind of execution mode, EPS only needs to transmit message between UE and SGSN and gets final product, and does not need the note disposal ability, and the processing of note is finished at SGSN.
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.
In sum, system of the present invention provides the short message interacting interface by the EPS network, has realized that the user carries out the purpose of short message service at the EPS network, guarantees the availability of EPS Network, has improved user's satisfaction.Utilize system and method for the present invention to carry out short message service, do not need to relate to the circuit domain network element, even do not carry out circuit domain dropping, when also can satisfy the user and carry out IP operation, do not interrupt IP operation, carry out the demand of short message receiving-transmitting, nor must carry out upgrading a large amount of existing network CS equipment.
Claims (12)
1, a kind of realization system of short message service is characterized in that, this system comprises user equipment (UE), the packet network EPS of evolution and note subsystem, wherein,
After UE is used to insert the EPS network, send and receive note by the EPS network;
The EPS network has the short message interacting interface, is used for after receiving the short message that calling UE is sent, to described note subsystem forwarding short message message; And after receiving the short message that the note subsystem is sent, it is transmitted to called UE;
The note subsystem is used to receive the short message that UE sends by the network that comprises EPS and stores, as inquires the called EPS of being positioned at network, then described short message is forwarded to the EPS network.
2, the system as claimed in claim 1 is characterized in that: the EPS network comprises Mobility Management Entity MME, and Mobility Management Entity is used for finishing access procedure alternately with caller or called UE when UE sends and receive short message; And the short message interacting interface is provided, and after receiving the short message of UE, be transmitted to the note subsystem, after receiving note subsystem short message, be transmitted to called UE.
3, system as claimed in claim 2, it is characterized in that: Mobility Management Entity is different with the agreement that the note subsystem is supported, Mobility Management Entity by gateway S-GW, GPRS serving GPRS support node SGSN or independently the function conversion entity interface between MME and the note subsystem is provided, be responsible for the note related news between conversion MME and the note subsystem.
4, system as claimed in claim 2, it is characterized in that: user equipment (UE) is when EPS network and packet field network are registered simultaneously, UE is at the short message service of EPS network, by sending non-access layer information to MME and receiving the non-access layer information realization that MME sends, wherein carry the short message that subscriber equipment will send or receive in the non-access layer information, this realization system further comprises SGSN, wherein
MME is used to receive the non-access layer information of UE transmission or sends non-access layer information to UE, has wherein carried short message, and has sent out the upstream data bag and receive the downlink data packet that SGSN sends to SGSN;
SGSN is used to receive the upstream data bag of MME transmission and sends downlink data packet to MME, carries short message in the uplink and downlink packet.
5, a kind of short message service sending method based on the described system of claim 1 is characterized in that this method may further comprise the steps:
(A1) subscriber equipment inserts the EPS network;
(B1) subscriber equipment sends short message to the EPS network;
(C1) this short message of EPS forwarded is to the note subsystem.
6, method as claimed in claim 5, it is characterized in that: subscriber equipment is to send short message to the Mobility Management Entity MME of EPS network in the step (B1), is short message from the MME of EPS network to the note subsystem that transmitted the subscriber equipment transmission by in the step (C1).
7, method as claimed in claim 5 is characterized in that: subscriber equipment sends short message to MME in the step (B1); Step (C1) further comprises the steps:
(C11) MME by and S-GW, SGSN or the independently S-GW, the SGSN that give of the forwards short message between the protocol conversion entity or independently protocol conversion entity; (C12) S-GW, SGSN or independently the protocol conversion entity send to the note subsystem after the short message of receiving is transformed.
8, method as claimed in claim 5 is characterized in that: subscriber equipment is sent out non-access layer information to MME in the step (B1), and this message has encapsulated the short message of UE to SGSN;
Step (C1) comprises that further (C11) MME is transmitted to SGSN to the short message of receiving by the upstream data bag; (C12) SGSN transmits short message and gives the note subsystem.
9, a kind of short message service method of reseptance based on the described system of claim 1 is characterized in that this method may further comprise the steps:
(A2) the note subsystem sends short message to the EPS network;
(B2) EPS ICQ called subscriber equipment is finished access procedure;
(C2) this short message of EPS forwarded is to called subscriber equipment.
10, method as claimed in claim 9, it is characterized in that: the note subsystem judges that the current access of UE is at the EPS network in the step (A2), sending short message to the Mobility Management Entity MME of EPS network, is the short message that the MME by the EPS network transmits to subscriber equipment in the step (C2).
11, method as claimed in claim 9 is characterized in that: step (A2) further comprises the steps:
(A21) the note subsystem is judged the current access of UE at the EPS network, to S-GW, the SGSN of EPS network or independently the protocol conversion entity transmit message;
(A22) S-GW, SGSN or independently the protocol conversion entity with message transformation become with the MME interface on message after, be transmitted to MME; MME forwarding short message message is given subscriber equipment in the step (C2).
12, method as claimed in claim 9 is characterized in that, step (A2) further comprises: (A21) the note subsystem judges that the current access of UE is at the EPS network, to SGSN forwarding short message message; (A22) SGSN gives the MME of EPS network by downlink data packet forwarding short message message; MME sends out non-access layer information to subscriber equipment in the step (C2), has encapsulated the short message of issuing UE in this message.
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