CN101552964A - System and method for realizing short message service on the basis of wireless local loop system - Google Patents
System and method for realizing short message service on the basis of wireless local loop system Download PDFInfo
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- CN101552964A CN101552964A CNA2008100896095A CN200810089609A CN101552964A CN 101552964 A CN101552964 A CN 101552964A CN A2008100896095 A CNA2008100896095 A CN A2008100896095A CN 200810089609 A CN200810089609 A CN 200810089609A CN 101552964 A CN101552964 A CN 101552964A
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Abstract
The invention discloses a system and a method for realizing short message service on the basis of a wireless local loop (WLL) system. The system comprises the terminal equipment of the WLL, a base station subsystem (BSS) and a short message center (SMC), wherein the terminal equipment of the WLL realizes short message transmission with the BSS through an air interface, an STE is added between the BSS and the SMC, the SIE is connected with the BSS through an A interface and connected with the SMC through TCP/IP, and the STE is integrated with a visitor location register (VLR) and a home location register (HLR) of a full-mobile system and used for controlling the BSS so as to realize the short message transmission between the SMC and the BSS to complete speech channel exchange. The invention can realize the integral short message service function of a mobile communication system without conversing encoding and decoding or considering the edition problem of a WLL terminal when realizing the short message service on the basis of the WLL system, thereby having high practicability and convenient popularization.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of system and method for realizing short message service based on wireless local loop system.
Background technology
WLL (Wireless Local Loop, wireless local loop) system is meant the connecting system with wireless mode connecting terminal user and switch, current radio access scheme based on CDMA technology is widely adopted, and docks (as shown in Figure 1) with the V5.1/V5.2 interface of LE (local switch) by standard.This networking plan has that ability, the initial outlay of quick networking are low, easy maintenance and characteristics such as expense is low, capacity planning flexibly.In the practice, it is ripe that the V5 interfacing has been tending towards, and found broad application.
The BSS of WLL system (comprises, BSC (base station controller) and BTS (base transceiver station)) as the wireless access part of LE, be with the difference of BSS in the mobile communication system, described BSS has increased VLR (Visitor Location Register in BSC, VLR Visitor Location Register)/HLR (HomeLocation Register, attaching position register) and message processing module realize functions such as mobile terminal user management and travelling performance management.
Because fixed network itself is not supported short message service, therefore simple WLL system can't provide short message service, and also just because of this reason, short message service haves a great attraction to the fixed network operator.
Have corresponding solution in the prior art at present, for example, scheme one: the system that China Telecom advocated and worked out based on WLL system realization fixed-line SMS, this system has contained the fixed network message center, MS (travelling carriage) and content supplier, described short message service center is the platform device of fixed network message, finish the storage and the forwarding of short message, mainly comprise: FSK (Frequency-shift keying, frequency shift keying) access server, CTSI (Chinese terminal server interface) server, the Short Message Scheduling Center server, short messaging gateway, aaa authentication/authentication/accounting server.MS is meant information telephone, is professional and specially designed towards information service.For the WLL system, can't require all MS (MS version can realize function have nothing in common with each other) all can customize according to the CTSI agreement, therefore above-mentionedly realize that based on the WLL system fixed-line SMS practicality is not strong, can not generally promote.
In order to solve the problem that technique scheme exists, scheme two has been proposed again in the prior art, in this scheme, SMC (short message service center) directly passes through ICP/IP protocol, employing standard SMPP (short messagepeer to peer, short message is point-to-point) agreement is connected with BSS in the wireless access system, realizes short message service to support the WLL system, require BSS to support the client functionality of SMPP agreement simultaneously, promptly be connected to SMC as ESME (External Short Message Entity).BSS encodes to short message after receiving the short message that MS submits to, sends to SMC with the SUBMIT command forms in the SMPP agreement, obtain the response of SMC after, feed back to MS and send successfully or send failure to show.
Arrive BSS when SMC issues DELIVER message, whether BSS decodes to message, and decoded forwards is arrived MS, after the response that obtains MS, issue successfully by message informing SMC.
In addition, after the state of MS changes (for example, the MS start), then BSS carries out associative operation by Notification message informing SMC; And, then adjust its business processing flow for SMC, and will be that inside story is handled from the SMPP message conversion of BSS, so just realized in the WLL system, supporting the function of short message service.
But there is following shortcoming in such scheme, promptly, when described short message transmits between MS and SMC by BSS, must carry out the conversion of encoding and decoding, this has increased extra expense undoubtedly, and described SMC carrying out message when transmitting, and also will be subjected to the restriction of the interface of the fulfillment capability of local system and charge system.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and realizes the system and method for short message service based on wireless local loop system, can realize the transmission of short message service on wireless local loop system.
One of problem to be solved by this invention provides a kind of system based on wireless local loop system realization short message service, comprising:
The terminal equipment of WLL, base station sub-system BSS, the SMC of short message service center;
The terminal equipment of described WLL is by realizing the transmission of short message between air interface and the BSS;
Described BSS is used to receive short message that SMC passes over or submits short message to SMC;
Described SMC is used to realize reception, storage, forwarding and the short message condition report of short message also comprise operating maintenance module, and pass-along message between network, selects to send the gateway module of route;
Between described BSS and SMC, increase STE;
Described STE is connected with described BSS by the A interface, is connected with described SMC by TCP/IP;
Described STE, the VLR of integrated all-translational system and HLR are used for being responsible for control BSS, realize the short message transmission between SMC and the BSS, finish the speech channel exchange.
In the described system based on wireless local loop system realization short message service:
The terminal equipment of described WLL is at least one, and is corresponding one by one with described BSS;
Connect by the A3/A7 interface between the described BSS, described BSS is connected on the same STE.
In the described system based on wireless local loop system realization short message service:
Described BSS comprises, base station controller BSC and base transceiver station BTS;
Described BSC is connected with LE by the V5 interface, realizes the speech business of the terminal equipment of WLL, is connected with described STE by the A interface;
Be connected by Abis interface between described BSC and the BTS.
Two of problem to be solved by this invention provides a kind of method based on wireless local loop system realization short message service, comprising:
Step 1, MS initiates short message original calling, sends Date Burst message to BSS;
Step 2, described BSS sends the ADDS delivery of messages to STE;
Step 3, described STE is sent to SMC after the ADDS delivery of messages of receiving is converted to SMPP message.
In the step 2 of the described method that realizes short message service based on wireless local loop system:
If the terminal equipment of described WLL is the local user, then described BSS is the ownership BSS of described terminal equipment;
If the terminal equipment of described WLL is the roamer, the on-site BSS of roaming that then described BSS is described terminal equipment.
In the described method based on wireless local loop system realization short message service:
The information that comprises the ADDS subscriber unit in described Date Burst message and the ADDS delivery of messages.
In the described method based on wireless local loop system realization short message service:
In the described step 1, described BSS sends acknowledgement message to MS after receiving Date Burst message;
In the described step 2, described STE sends acknowledgement message to described BSS after receiving the ADDS delivery of messages.
In the described method based on wireless local loop system realization short message service:
If start of the terminal equipment of described WLL or position are upgraded, then comprise following treatment step:
Step 4, described SMC receives the paging of SMPP request initiation short message, sends SMPP message to STE;
Step 5, by STE the SMPP message conversion is the ADDS delivery of messages after, send to BSS;
Step 6, described BSS transmits the terminal equipment that Date Burst message is given the WLL that receives short message.
The described method that realizes short message service based on wireless local loop system:
In the described step 5, according to the user profile of preserving at STE, if the terminal equipment of described WLL is the local user, then described BSS is this terminal equipment ownership BSS;
If the terminal equipment of described WLL is the roamer, then STE is transmitted to the ADDS delivery of messages BSS of roaming place by the ownership BSS of described this terminal equipment;
In the described step 6, the terminal equipment of the WLL of described reception short message returns acknowledgement message to described BSS after receiving Date Burst message.
Described method based on wireless local loop system realization short message service also comprises:
Step 7 is returned acknowledgement message to STE;
Described acknowledgement message comprises label information unit identical in the SMPP message of receiving with STE.
Compared with prior art, the present invention need not to carry out the conversion of encoding and decoding when the short message service that realizes based on the WLL system, and need not consider the version problem of wll terminal, just can realize the whole short message business function in the mobile communication system, practical, the convenient popularization.In addition, adopt invention, when wll terminal is in roaming state, when exhaling by having sent SMS message with visiting, can directly send SMS message to SMC by BSS and the STE that visits ground, need not to do the forwarding of the short message of striding BSS, reduced the size of message of A3/A7 interface, reduced the impact of docking port by the A3/A7 mouth.
Description of drawings
Fig. 1 is the networking structure figure that realizes wireless local loop system in the prior art based on cdma system;
Fig. 2 is the networking structure figure that realizes a specific embodiment of system of the present invention;
Fig. 3 is the networking structure figure that realizes another specific embodiment of system of the present invention;
Fig. 4 is a short message original calling flow chart of realizing the specific embodiment of the method for the invention;
Fig. 5 is a short message paging flow chart of realizing the specific embodiment of the method for the invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Basic fundamental thought of the present invention is, in order to realize that wll terminal equipment (for example: MS, be travelling carriage) and SMC between carry out the transmission of short message, on the basis of the structure that does not change existing WLL system, increase STE (singnaltransfer equipment between the BSS of SMC in existing mobile communication equipment and WLL system, signal converter), by BSS and SMC are made adaptive modification, then realize short message service etc.The present invention increased network element devices such as STE, SMC, and existing BSS side need not to increase any network entity on the basis of wireless local loop system.
As shown in Figure 2, what an embodiment of system of the present invention provided is a kind of based on the realization short message service networking structure figure of WLL system, and described system comprises: MS, BSS, LE, SMC and STE.
Wherein said MS is the terminal equipment of WLL, described BSS, be used to receive short message that SMC passes over by STE or submit short message to SMC by STE, comprise BSC and BTS, described BSC is connected by the V5 interface with LE, be used to realize the speech business (this and existing WLL wireless access system identical) of MS, be connected by Abis interface between described BSC and the described BTS, and the A interface by standard is connected between described BSC and the STE.Described STE, integrated (the visiting location register of VLR in the all-translational system, VLR Visitor Location Register) and HLR (HLR (home locationregister, attaching position register), what HLR preserved is user's essential information, and multidate information, as current position, whether shut down etc.; What VLR preserved is user's multidate information and state information, and the user's who downloads from HLR CAMEL-Subscription-Information) be used for being responsible for control BSS, finish the speech channel exchange, described STE is connected by the A interface of standard with BSS, is connected with SMC by TCP/IP.
Described SMC is used to realize the functions such as reception, storage, forwarding and SM status (short message sends successfully, short message send failure) report of short message also comprise operating maintenance module, and pass-along message between network, selects the gateway module of transmission route.MS delivers to BTS with short message by aerial Um Interface, arrives SMC through BSC, STE then, and to realize the transmission of short message, MS can receive the short message that SMC issues too.
From as can be seen above-mentioned, for Access Network BSS side, BSS and STE provide a short message path between SMC and MS.
As shown in Figure 3, when another embodiment of system of the present invention provides the MS roaming, realize the networking structure figure of short message service based on the WLL system.And MS passes through the A3/A7 interface interconnection of standard one to one between the BSC, purpose is to realize the standard short message service on the basis of realizing MS roaming audio call, adopt the networking mode of above-mentioned interconnection, described each BSC links to each other with SMC by STE, that is to say that a SMC links to each other with a plurality of BSC by a STE.When MS when ownership place sends SMS message, BSC and STE by ownership place send message to SMC; When MS when visit ground sends SMS message, BSC and STE by visit ground send message to SMC, do not need to do by the A3/A7 mouth forwarding of the short message of striding BSC, have reduced the size of message of A3/A7 interface, have reduced the impact of docking port.
System of the present invention supports the short message service of legal contracted user in net to comprise business such as short message original calling, short message paging and short message broadcasting.
Described short message original calling is to be initiated by MS, short message is sent to SMC, and described short message paging is to be initiated by SMC, short message is sent to the MS that needs to receive this message, described short message broadcasting is to be initiated by SMC, sends to the short message service of the MS of all BSS service areas.
For better describing the concrete processing procedure of utilizing system of the present invention to realize short message service, professional with short message original calling respectively and paging service below handling process is that example is described, and the short message handling process of roaming MS and local MS's is basic identical.
Be illustrated in figure 4 as the short message original calling flow chart of the specific embodiment of realizing the method for the invention.
S401, MS initiates short message original calling to BSS, that is, described MS initiates Date Burst message (short message transmission message) to BSS, the information that comprises ADDS (Application Data DeliveryService, application data transmission service) subscriber unit in the described message.
S402, described BSS send acknowledgement message to MS after receiving Date Burst message, and notice MS has received Date Burst message.
S403, BSS sends the ADDS delivery of messages to STE and transmits the short message that MS sends, and comprises the information of the ADDS subscriber unit that MS sends in the ADDS User Part of this message.No matter described MS is local user or roamer, the ADDS delivery of messages all will be sent to STE by current BSS.
Described current BSS when being the local user as if MS, is meant the ownership BSS of MS, when being the roamer as if MS, is meant the on-site BSS of roaming.
S404, STE receive the ADDS delivery of messages, send acknowledgement message to described BSS.
S405, convert the ADDS delivery of messages to SMC discernible SMPP message by STE after, send to SMC, so far, short message sends successfully.
Be illustrated in figure 5 as the short message paging flow chart of the specific embodiment of realizing the method for the invention.
When MS start or occurrence positions renewal, the user profile of the described MS that preserves among the STE changes, and STE sends SMPP request notice SMC and initiates the short message paging, and MS can receive the short message that is stored among the SMC like this.
When SMC initiates the short message paging, can VLR and HLR in STE preserve user profile behind the starting up of terminal of paging or other mode connecting systems, SMC sends SMPP message to STE, STE is according to the user profile of preserving, short message is sent to the BSC of user attaching, will directly be sent to MS by air interface for non-roaming user's short message, for the roamer, ownership BSC is forwarded to roaming location BSC with beep-page message by the A3/A7 interface, directly is sent to MS by air interface then.
After S501, SMC receive SMPP message, initiate the short message paging, send SMPP message to STE;
S502, by STE the SMPP message conversion is ADDS delivery of messages (that is, beep-page message) after, send to BSS.
According to the user profile of the MS that in the VLR of STE and HLR, preserves,, then have the ADDS delivery of messages of ADDS subscriber unit information to the ownership BSS of MS transmission if determine that described MS be the local user.If described user is the roamer, then the ADDS delivery of messages is transmitted to the BSS of roaming place by described user's ownership BSS.
S503, BSS transmits Date Burst message (that is beep-page message) by air interface and gives the MS that receives short message.
After S504, described MS receive Date Burst message, send acknowledgement message to BSS.
S505, if STE sends acknowledgement message to the BSS request, then BSS responds ADDS paging acknowledgement message, comprises label information unit identical in the SMPP message of receiving with STE in the described acknowledgement message.
In addition, above content has illustrated implementation procedure of the present invention by way of example, is not limited to above-mentioned execution mode but the researcher in this field is to be understood that the present invention, also can not break away to realize various changes and distortion within the spirit and principles in the present invention.Therefore, the present invention should come limit by claim described later, but not is subject to specific execution mode.
Claims (10)
1, a kind of system based on wireless local loop system realization short message service comprises the terminal equipment of WLL, base station sub-system BSS, the SMC of short message service center;
The terminal equipment of described WLL is by realizing the transmission of short message between air interface and the BSS;
Described BSS is used to receive short message that SMC passes over or submits short message to SMC;
Described SMC is used to realize reception, storage, forwarding and the short message condition report of short message also comprise operating maintenance module, and pass-along message between network, selects to send the gateway module of route;
It is characterized in that: between described BSS and SMC, increase signal converter STE;
Described STE is connected with described BSS by the A interface, is connected with described SMC by TCP/IP;
Described STE, the VLR Visitor Location Register VLR of integrated all-translational system and attaching position register HLR are used for being responsible for control BSS, realize the short message transmission between SMC and the BSS, finish the speech channel exchange.
2, the system based on wireless local loop system realization short message service as claimed in claim 1 is characterized in that:
The terminal equipment of described WLL is at least one, and is corresponding one by one with described BSS;
Connect by the A3/A7 interface between the described BSS, described BSS is connected on the same STE.
3, the system based on wireless local loop system realization short message service as claimed in claim 1 or 2 is characterized in that:
Described BSS comprises, base station controller BSC and base transceiver station BTS;
Described BSC is connected with local switch LE by the V5 interface, realizes the speech business of the terminal equipment of WLL, is connected with described STE by the A interface;
Be connected by Abis interface between described BSC and the BTS.
4, a kind of method based on wireless local loop system realization short message service is characterized in that comprising following treatment step:
Step 1, MS initiates short message original calling, sends SMS message to BSS and transmits Date Burst message;
Step 2, described BSS sends application data transmission service ADDS delivery of messages to STE;
Step 3, described STE is sent to SMC after the ADDS delivery of messages of receiving is converted to SMPP message.
5, the method based on wireless local loop system realization short message service as claimed in claim 4 is characterized in that, in the described step 2:
If the terminal equipment of described WLL is the local user, then described BSS is the ownership BSS of described terminal equipment;
If the terminal equipment of described WLL is the roamer, the on-site BSS of roaming that then described BSS is described terminal equipment.
6, as claim 4 or 5 described methods, it is characterized in that based on wireless local loop system realization short message service:
The information that comprises the ADDS subscriber unit in described Date Burst message and the ADDS delivery of messages.
7, as claim 4 or 5 described methods, it is characterized in that based on wireless local loop system realization short message service:
In the described step 1, described BSS receives that the terminal equipment to WLL sends acknowledgement message after the Date Burst message;
In the described step 2, described STE sends acknowledgement message to described BSS after receiving the ADDS delivery of messages.
8, the method based on wireless local loop system realization short message service as claimed in claim 4 is characterized in that:
If start of the terminal equipment of described WLL or position are upgraded, then comprise following treatment step:
Step 4, described SMC receives the paging of SMPP request initiation short message, sends SMPP message to STE;
Step 5, by STE the SMPP message conversion is the ADDS delivery of messages after, send to BSS;
Step 6, described BSS transmits the terminal equipment that Date Burst message is given the WLL that receives short message.
9, the method based on wireless local loop system realization short message service as claimed in claim 8 is characterized in that,
In the described step 5, according to the user profile of preserving at STE, if the terminal equipment of described WLL is the local user, then described BSS is this terminal equipment ownership BSS;
If the terminal equipment of described WLL is the roamer, then STE is transmitted to the ADDS delivery of messages BSS of roaming place by the ownership BSS of described this terminal equipment;
In the described step 6, the terminal equipment of the WLL of described reception short message returns acknowledgement message to described BSS after receiving Date Burst message.
10, the method based on wireless local loop system realization short message service as claimed in claim 8 is characterized in that, also comprises:
Step 7 is returned acknowledgement message to STE;
Described acknowledgement message comprises label information unit identical in the SMPP message of receiving with STE.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100896095A CN101552964A (en) | 2008-04-03 | 2008-04-10 | System and method for realizing short message service on the basis of wireless local loop system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810089505.4 | 2008-04-03 | ||
| CN200810089505 | 2008-04-03 | ||
| CNA2008100896095A CN101552964A (en) | 2008-04-03 | 2008-04-10 | System and method for realizing short message service on the basis of wireless local loop system |
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| CNA2008100896095A Pending CN101552964A (en) | 2008-04-03 | 2008-04-10 | System and method for realizing short message service on the basis of wireless local loop system |
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Open date: 20091007 |