CN100544460C - A kind of system and method that short message service is provided based on mobile communication technology - Google Patents
A kind of system and method that short message service is provided based on mobile communication technology Download PDFInfo
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- CN100544460C CN100544460C CNB2005101328616A CN200510132861A CN100544460C CN 100544460 C CN100544460 C CN 100544460C CN B2005101328616 A CNB2005101328616 A CN B2005101328616A CN 200510132861 A CN200510132861 A CN 200510132861A CN 100544460 C CN100544460 C CN 100544460C
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Abstract
A kind of system and method that short message service is provided based on mobile communication technology, be applicable to the WLL system, comprise SMSC, BSS and wll terminal, wherein in the BSC of this BSS, increase the short message interface module, and between SMSC and BSS, increase a short message interface newly to carry out information interaction.The present invention utilizes the network equipments such as existing BSS, SMSC, finishes the short message service in the WLL system, because SMSC carries out unified management and configuration to BSS and wll terminal, security of system is higher.Adopt system and method for the present invention, only utilize prior network device, just can realize business such as complete short message receiving-transmitting, receipt, repeating transmission, the simultaneity factor change is little, and cost is low, is good selection to operator.
Description
Technical field
The invention belongs to communication technical field, it relates to a kind of system and method that short message service is provided, and is particularly related to a kind of system and method that short message service is provided that is applicable to wireless local loop (Wireless Local Loop) (hereinafter to be referred as WLL) system based on mobile communication technology.
Background technology
Current mobile communication technology can not only provide traditional speech business, various short messages can also be provided, business such as wireless data, but this needs the cooperation of the multiple network equipment in the mobile communication, as mobile switching center (Mobile Switching Center/VisitorLocation Register) (hereinafter to be referred as MSC/VLR), attaching position register/AUC (Home location Register/Authentication Center) (hereinafter to be referred as HLR/AUC), SMS service center (Short Message Service Center) (hereinafter to be referred as SMSC), base station system (Base Station System) (hereinafter to be referred as BSS) etc.
Present WLL system uses radiotechnics to replace traditional telephone wire connection user and PSTN (Public Switched Telephone Network, be called for short PSTN), zonal telephone service is provided, more flexible, more reliable and more economical than traditional telephone; The WLL system adopts ripe mobile communication equipment, as global system for mobile communications (Global System for Mobile Communication) (hereinafter to be referred as GSM), code division multiple access (Code Division Multiple Access) (hereinafter to be referred as CDMA), be that a kind of reduced investment, cycle reality short, high efficiency is selected.
In the WLL system, it uses BSS in mobile communication as wireless access and digital cellular equipment, and BSS and local switching equipment generally adopt the V5 interface, and does not use the network equipments such as MSC/VLR, HLR/AUC, SMSC; Therefore, if the WLL system need provide short message service, then can only be by adding local switching equipment or directly on wireless access system, develop the short message service function again, and can't utilize the SMSC technology and equipment in the existing mobile communication.And do not retrieve the relevant patent documentation that the SMSC technology and equipment that utilizes in the existing mobile communication solves WLL system short message service function at present as yet.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of system and method that short message service is provided based on mobile communication technology, it is applicable to the WLL system.Its technical problem that will solve provides a kind of in the WLL system based on mobile communication technology, and existing mobile communication network equipment is done under the situation of changing in a small amount, and system's he method of whole short message business function is provided.The present invention need not increase the new network equipment, only needs prior network device is carried out modification in a small amount, and its construction cost is low, network configuration is simply clear, for operator provides a kind of resolution system preferably and method.
Main thought of the present invention is, utilize existing SMSC technology and equipment, between SMSC and BSS, provide a kind of interface, by only simply revising at two ends, and the major function of short message service is provided, send SMS message and message receipt etc. as reception, forwarding, storage, retry.
For achieving the above object, a kind of system that short message service is provided of the present invention based on mobile communication technology, be applicable to the WLL system, comprise SMSC, BSS and wll terminal, wherein this wll terminal is the communication equipment that the user uses, and for example is travelling carriage (MobileStation, abbreviation MS), wireless network terminal (Radio Network Termination, be called for short RNT), itself and above-mentioned BSS carry out information interaction by interface, and this system also comprises:
The short message interface module, it is positioned at the base station controller (Base StationController) (hereinafter to be referred as BSC) of above-mentioned BSS, and itself and above-mentioned SMSC carry out information interaction by newly-increased short message interface (hereinafter to be referred as the X interface).
Further, above-mentioned SMSC be used to dispose BSS attribute, configuration wll terminal and BSS corresponding relation and manage itself and being connected of BSS.
Further, above-mentioned SMSC is used for relaying, storage at least or transmits short message, to the above-mentioned BSS acknowledgement information that sends SMS message, receives the user notification message that above-mentioned BSS sends and resends short message; Above-mentioned BSS is used to transmit short message at least and sends user notification message to above-mentioned SMSC; Above-mentioned wll terminal is used for sending or receiving short message.
Further, above-mentioned X interface is at least TCP (Transmission Control Protocol/Internet Protocol) (hereinafter to be referred as TCP/IP), the Signaling System Number 7 agreement, the international universal standard agreement of having announced (sends agreement (Short Message Peer to Peer Protocol as point-to-point short message, hereinafter to be referred as the SMPP agreement) etc. based on the short message interconnection protocol of tcp/ip communication) or self-defining again inside story interface in a kind of, to realize the short message service interacting message of SMSC and BSS, finish the function of A mouth in the mobile communications network; Interface between above-mentioned BSS and the wll terminal is at least the mobile radio communication standard agreement, and the present invention will continue to use existing air interface, not make an amendment.
Further, belong to the wll terminal of different mobile communication technology, the corresponding BSS that uses the different mobile communication technology, and the wll terminal between a plurality of BSS of use different mobile communication technology carry out the intercommunication of short message by a shared SMSC.
For achieving the above object, a kind of method that short message service is provided based on mobile communication technology of the present invention is applicable to the WLL system, may further comprise the steps:
The attribute of step 1:SMSC configuration BSS and the corresponding relation of configuration BSS and wll terminal;
Step 2: the short message that this source wll terminal that the BSS of source wll terminal correspondence will receive is initiated is submitted to above-mentioned SMSC by the X interface;
Step 2: above-mentioned SMSC carries out authentication according to the short message of the BSS submission of source wll terminal correspondence to the source wll terminal, and seeks the routing iinformation of purpose wll terminal according to the corresponding relation between the purpose wll terminal of this short message correspondence BSS corresponding with it;
Step 3: above-mentioned SMSC returns the submission response message by above-mentioned X interface to the BSS of above-mentioned source wll terminal correspondence, and stores this short message;
Step 4: above-mentioned SMSC delivers above-mentioned short message by above-mentioned X interface to the BSS of above-mentioned purpose wll terminal correspondence;
Step 5: the BSS of above-mentioned purpose wll terminal correspondence sends above-mentioned short message to the above-mentioned purpose wll terminal, and sends the delivery response message by above-mentioned X interface to above-mentioned SMSC;
Step 6: above-mentioned SMSC revises the state of its stored short message according to above-mentioned delivery response message.
Further, above-mentioned steps 3 comprises the steps:
Step 301: above-mentioned SMSC judges whether authentication success and whether finds the routing iinformation of above-mentioned purpose wll terminal, if then return success the submission response message of response to the BSS of above-mentioned source wll terminal correspondence by above-mentioned X interface; Otherwise, return the submission response message of failure response to the BSS of above-mentioned source wll terminal correspondence by above-mentioned X interface;
Step 302: above-mentioned SMSC stores above-mentioned short message;
Whether step 303: the BSS of above-mentioned source wll terminal correspondence sends to above-mentioned source wll terminal with above-mentioned submission response message, send so that the user learns short message, and judge whether to resend this short message.
Further, in above-mentioned steps 6, the state of short message comprises at least that short message sends successfully, short message sends a kind of or short message in failure, the message receipt request and sends and successfully reach a kind of in the combination that short message sends failure and message receipt request.
Further, if comprise the message receipt solicited message in the state of above-mentioned short message, then this method is further comprising the steps of:
Step 9: above-mentioned SMSC constructs receipt message according to above-mentioned delivery response message;
Step 10: above-mentioned SMSC sends above-mentioned receipt message by above-mentioned X interface to the BSS of above-mentioned source wll terminal correspondence, and this BSS sends to above-mentioned source wll terminal with this receipt message;
Step 11: the BSS of above-mentioned source wll terminal correspondence sends to above-mentioned SMSC by above-mentioned X interface and delivers response message;
Step 12: above-mentioned SMSC upgrades above-mentioned receipt condition of information according to above-mentioned delivery response message, and preserves this receipt message; Wherein this receipt condition of information comprises that receipt message sends success or receipt message sends failure.
Further, if comprising in the state of above-mentioned short message that short message sends comprises in failure information or the above-mentioned receipt condition of information that receipt message sends failure information, then this method also comprises:
Step 13: above-mentioned SMSC judges whether above-mentioned short message retransmitting timing or receipt message retransmission regularly arrive; Perhaps judge whether to receive the user notification message that the BSS of above-mentioned wll terminal correspondence submits to, if then execution in step 14; Otherwise, wait for this trigger condition establishment;
Step 14: the BSS of above-mentioned purpose wll terminal correspondence sends user notification message by above-mentioned X interface to above-mentioned SMSC according to the type of the user notification message of above-mentioned purpose wll terminal transmission;
Step 15: above-mentioned SMSC sends to the BSS of above-mentioned purpose wll terminal correspondence by above-mentioned X interface and submits response message to;
Step 16: above-mentioned SMSC carries out short message retransmitting process or receipt message retransmission process; Wherein, above-mentioned short message retransmitting process is for re-executing above-mentioned steps 6～step 12; Above-mentioned receipt message retransmission process is for re-executing above-mentioned steps 9～step 12.
Compare with common mobile communications network, the present invention uses existing mobile communication network equipment, only need BSS and SMSC equipment are made amendment, and do not have the network equipments such as MSC, HLR, and reduced the interacting message between SMSC and MSC, SMSC and the HLR, SMSC directly is connected with BSS, network configuration and handling process have been simplified, reduced the cost of system, the present invention simultaneously can realize whole short message business function in the mobile communication system, is a good selection to operator.
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is described in further detail.For those skilled in the art that, from the detailed description to the inventive method, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Fig. 1 is system's composition diagram of system of the present invention one preferred embodiment;
Fig. 2 is the key step flow chart of the method for the invention;
Fig. 3 is the short massage service method flow chart of a preferred embodiment of the present invention;
Fig. 4 is the handling process of the short message retransmitting of a preferred embodiment of the present invention.
Embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme of the present invention.
Fig. 1 is system's composition diagram of system of the present invention one preferred embodiment, and referring to Fig. 1, system of the present invention comprises original network entity BSS, SMSC, wll terminal.Wherein: BSS, wll terminal all are the entities that possesses in existing WLL system; SMSC possesses in mobile communication system, but is not used for the WLL system.
In a preferred embodiment of the present invention, BSC among the BSS is improved, increase the short message interface module, SMSC links to each other by the X interface with BSS, save reciprocal process with equipment such as HLR/AUC, MSC/VLR, this interface can adopt connections such as TCP/IP or Signaling System Number 7 agreement, can use the international universal standard agreement of having announced, for example SMPP agreement etc. is based on the short message interconnection protocol of tcp/ip communication, also can self-defined again inside story interface, to realize the short message service interacting message of SMSC and BSS, finish the function of A mouth in the mobile communications network.
Therefore, in system of the present invention, the function of BSS is: 1. be connected with SMSC by the X interface; 2. submit short message to SMSC; 3. receive the short message that SMSC delivers; 4. send user notification message to SMSC.In addition, short message storage, receipt and retransmitting function that BSS can utilize existing SMSC to provide, and do not need to develop in addition this function.
The function of SMSC is: the attribute that 1. disposes BSS; 2. dispose the corresponding relation of wll terminal and BSS; 3. management and being connected of BSS; 4. receive the short message that BSS submits to; 5. deliver short message to BSC; 6. store short message; 7. receive the user notification message that BSS sends; 8. resend short message etc.Owing to be connected by the SMSC unified management of BSS with SMSC, security of system height.
Interface Y between BSS and the wll terminal continues to use existing air interface, does not make an amendment.
In addition, belong to the wll terminal of different mobile communication technology, the corresponding BSS that uses the different mobile communication technology.And the wll terminal between a plurality of BSS of use different mobile communication technology carries out the intercommunication of short message by a shared SMSC.
Fig. 2 is the key step flow chart of the method for the invention; Fig. 3 is the short massage service method flow chart of a preferred embodiment of the present invention; Adopting the SMPP agreement with the short message interface module below is example and in conjunction with Fig. 2 and Fig. 3, and short massage service method of the present invention is described in detail in detail.
SMPP is a kind of industry-standard protocol of opening, be used for transmitting short message between SMS service center and other SMS service centers or the Short Message Entity, support all main flow mobile communication system at present, as GSM, CDMA and time division multiple access (Time Division MultipleAccess is called for short TDMA) etc.
Under this agreement, SMSC is user name, the password of BSS configuration SMPP client, and the corresponding relation of configuration wll terminal and BSC is accepted the binding of BSS and the processing that unbinds.And BSS binds and the processing that unbinds to SMSC with sender, recipient's identity
The short massage service method of a preferred embodiment of the present invention comprises following main process: short message original calling (P1), exhale (P2), receipt (P3) eventually and retransmit the handling process of (P4), foregoing SMSC storage short message process is not shown.Wherein, P1 comprises step step 1～4, and P2 comprises step 5～8, and P3 comprises step 9～12, and P4 comprises step 13～15; Wherein P3, P4 are optional function, can delete.
Short message original calling process P1 mainly may further comprise the steps:
Step 1, source wll terminal are initiated short message, and to the BSS of the source wll terminal correspondence request of sending SMS message, this message interface is with mobile radio communication standard agreement (for example being air interface protocol) by air interface;
The BSS of step 2, source wll terminal correspondence submits short message to SMSC.This BSS exhales short message with rising of source wll terminal, sends to SMSC, and this message interface is the X interface; To support that the SMPP agreement is an example, this BSS will rise and exhale short message to submit short message with the submit_sm message interface to SMSC; Subsequently SMSC to the source wll terminal of short message carry out authentication and according to the purpose wll terminal of short message and and this BSS between corresponding relation find the routing iinformation of short message;
Step 3, SMSC return the submission response message to the BSS of source wll terminal correspondence, and this message interface is the X interface.This submission response message is: if to source wll terminal authentication success and find the routing iinformation of purpose wll terminal, then return success the submission corresponding message of response, otherwise return the submission corresponding message of failure response; Supporting that the SMPP agreement is an example, SMSC judges submit_sm that the BSS of source wll terminal correspondence sends and is common and exhales short message, rises and exhales processing, and result is returned to BSS with submit_sm_res;
The BSS of step 4, source wll terminal correspondence sends to the source wll terminal and submits response message to, and this message interface is with the mobile radio communication standard agreement; And SMSC stores this short message.
SMS terminal call process P2 mainly may further comprise the steps:
The BSS of step 6, purpose wll terminal correspondence sends SMS message to the purpose wll terminal, and this message interface is with the mobile radio communication standard agreement;
The BSS of step 8, purpose wll terminal correspondence sends to SMSC and delivers response message, and this message interface is the X interface; To support that the SMPP agreement is an example, this BSS analyzes deliver_sm message, and is converted to air-interface information, sends to the purpose wll terminal, and will send the result and return to SMSC with deliver_sm_resp result;
Simultaneously, SMSC revises the state of the short message that has stored, for the short message that sends failure, carries out retry according to predetermined strategy and handles (describing in conjunction with Fig. 4 later).
Message receipt process P3 mainly may further comprise the steps:
The BSS of step 10, source wll terminal correspondence sends SMS message to the source wll terminal, and this message interface is with the mobile radio communication standard agreement;
The BSS of step 12, source wll terminal correspondence sends to SMSC and delivers response message, and this message interface is the X interface; The receipt message that this BSS directly sends SMSC sends to the source wll terminal; To support that the SMPP agreement is an example, this BSS analyzes deliver_sm message, and is converted to air-interface information, sends to the source wll terminal, and will send the result and return to SMSC with the deliver_sm_resp structure;
Afterwards, SMSC upgrades the receipt condition of information according to sending the result, and preserves receipt message.
The method of the invention also comprises short message retransmitting process (P4), and its handling process as shown in Figure 4.When purpose wll terminal start or state take place to upgrade, send user notification message to SMSC, trigger among the SMSC this user and do not send or send failure and resend, it mainly may further comprise the steps:
The BSS of step 14, purpose wll terminal correspondence sends user notification message according to type of notification message to SMSC, and this message interface is the X interface; BSS sends to SMSC with the Status Change notification message of purpose wll terminal, triggers sending the repeating transmission of failed message for SMSC; To support that the SMPP agreement is an example, this BSS submits with the submit_sm message interface notification message to SMSC, if when SMSC is judged as purpose wll terminal available notification, can triggers short message is resend processing, treatment step is with exhaling the end of above-mentioned SMSC processing (P2) and receipt to handle (P3);
In this user notification message interface: the source wll terminal extends this as the ID of BSC, and the purpose wll terminal extends this as the number of MS, and type of service (service_type) extends this as notification type " NOTI ", fill in the user notification message content in the message content;
Next, SMSC is with the retransmit operation of triggering short message, and promptly SMS terminal call is handled P2 and receipt processing P3.
Though more than be that example describes with the SMPP agreement, the present invention is not limited in the SMPP agreement.
In sum, adopt of the present invention based on mobile communication technology the system and method that short message service is provided, only need utilize prior network device, just can realize business such as complete short message receiving-transmitting, receipt, repeating transmission, the simultaneity factor change is little, cost is low, is good selection to operator.
More than describe operation principle of the present invention in detail, but the example of this visualization of just lifting for the ease of understanding should not be considered to be limitation of the scope of the invention.Equally; the ordinary skill of technical field all can be according to the description of technical scheme of the present invention and preferred embodiment thereof under any; make various possible being equal to and change or replacement, but all these changes or replacement all should belong to the protection range of claim of the present invention.
Claims (11)
1. the system that short message service is provided based on mobile communication technology is applicable to wireless local loop system, comprises SMS service center, base station system and wireless local loop terminal; Wherein this wireless local loop terminal is the communication equipment that the user uses, and to carry out short message by interface mutual with corresponding base station system for it, it is characterized in that also comprising:
The short message interface module, it is positioned at the base station controller of above-mentioned base station system, and it is connected by short message interface with above-mentioned SMS service center;
SMS service center disposes the corresponding relation of base station system and wireless local loop terminal, when the short message that receives from the short message interface module, determines corresponding base station system according to purpose wireless local loop terminal in the short message, carries out short message and delivers.
2. according to the described system that short message service is provided of claim 1, it is characterized in that above-mentioned SMS service center also is used for being connected of the attribute of configurating base station system and managing short message service centre and base station system based on mobile communication technology.
3. according to the described system that short message service is provided of claim 1, it is characterized in that based on mobile communication technology
Above-mentioned SMS service center is used for relaying, storage, forwarding short message at least, to the above-mentioned base station system acknowledgement information that sends SMS message, receives the user notification message that above-mentioned base station system sends and resends short message;
Above-mentioned base station system is used to transmit short message at least and sends user notification message to above-mentioned SMS service center;
Above-mentioned wireless local loop terminal is used for sending or receiving short message.
4. according to the described system that short message service is provided of claim 1, it is characterized in that based on mobile communication technology
Short message interface between said short message interface module and the SMS service center is a kind of in universal standard protocol interface or the self-defining again inside story interface;
Interface between above-mentioned base station system and the wireless local loop terminal is at least mobile radio communication standard agreement, i.e. air interface.
5. according to the described system that short message service is provided of claim 1, it is characterized in that based on mobile communication technology
The wireless local loop terminal that belongs to the different mobile communication technology, the corresponding base station system of using the different mobile communication technology; And
Wireless local loop terminal between a plurality of base station systems of use different mobile communication technology is carried out the intercommunication of short message by a shared SMS service center.
6. the method that short message service is provided based on mobile communication technology is applicable to wireless local loop system, it is characterized in that may further comprise the steps:
Step 1: the corresponding relation of the attribute of SMS service center configurating base station system and configurating base station system and wireless local loop terminal;
Step 2: the short message that above-mentioned SMS service center is submitted to according to the base station system of source wireless local loop terminal correspondence, source wireless local loop terminal is carried out authentication, and seek the routing iinformation of purpose wireless local loop terminal according to the corresponding relation between the purpose wireless local loop terminal of this short message correspondence base station system corresponding with it;
Step 3: above-mentioned SMS service center returns the submission response message to the base station system of above-mentioned source wireless local loop terminal correspondence, and stores this short message;
Step 4: above-mentioned SMS service center is delivered above-mentioned short message to the base station system of above-mentioned purpose wireless local loop terminal correspondence;
Step 5: the base station system of above-mentioned purpose wireless local loop terminal correspondence sends above-mentioned short message to above-mentioned purpose wireless local loop terminal, and sends the delivery response message to above-mentioned SMS service center;
Step 6: above-mentioned SMS service center is revised the state of its stored short message according to above-mentioned delivery response message.
7. method according to claim 6 is characterized in that above-mentioned steps 3 comprises the steps:
Step 301: above-mentioned SMS service center judges whether the authentication success and whether finds the routing iinformation of above-mentioned purpose wireless local loop terminal, if then return success the submission response message of response to the base station system of above-mentioned source wireless local loop terminal correspondence by short message interface; Otherwise, return the submission response message of failure response to the base station system of above-mentioned source wireless local loop terminal correspondence by the said short message interface;
Step 302: above-mentioned SMS service center stores above-mentioned short message;
Step 303: the base station system of above-mentioned source wireless local loop terminal correspondence sends to above-mentioned source wireless local loop terminal with above-mentioned submission response message.
8, method according to claim 6, it is characterized in that in above-mentioned steps 6 state of short message comprises at least that short message sends successfully, short message sends a kind of or short message in failure, the message receipt request and sends and successfully reach a kind of in the combination that short message sends failure and message receipt request.
9. method according to claim 8 is characterized in that then this method is further comprising the steps of if comprise the message receipt request in the state of above-mentioned short message:
Step 9: above-mentioned SMS service center is constructed receipt message according to above-mentioned delivery response message;
Step 10: above-mentioned SMS service center sends above-mentioned receipt message by short message interface to the base station system of above-mentioned source wireless local loop terminal correspondence, and the base station system of above-mentioned source wireless local loop terminal correspondence sends to above-mentioned source wireless local loop terminal with this receipt message;
Step 11: the base station system of above-mentioned source wireless local loop terminal correspondence sends to above-mentioned SMS service center by the said short message interface and delivers response message;
Step 12: above-mentioned SMS service center upgrades above-mentioned receipt condition of information according to the delivery response message of the base station system transmission of above-mentioned source wireless local loop terminal correspondence, and preserves this receipt message; Wherein this receipt condition of information comprises that receipt message sends success or receipt message sends failure.
10. method according to claim 9 is characterized in that sending failure if comprise short message in the state of above-mentioned short message, and then this method also comprises:
Step 13: above-mentioned SMS service center judges whether short message retransmitting regularly arrives; Perhaps judge whether to receive the user notification message that the base station system of the purpose wireless local loop terminal correspondence of above-mentioned short message is submitted to, if then execution in step 14; Otherwise, wait for the trigger condition establishment;
Step 14: above-mentioned SMS service center is carried out the short message retransmitting process.
11, method according to claim 9 is characterized in that sending failure if comprise receipt message in the above-mentioned receipt condition of information, and then this method also comprises:
Step 13: above-mentioned SMS service center judges whether the receipt message retransmission regularly arrives; If then execution in step 14; Otherwise, wait for the trigger condition establishment;
Step 14: above-mentioned SMS service center is carried out receipt message retransmission process.
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