CN102740254B - Method and apparatus for realization of short message sending - Google Patents
Method and apparatus for realization of short message sending Download PDFInfo
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- CN102740254B CN102740254B CN201110093935.5A CN201110093935A CN102740254B CN 102740254 B CN102740254 B CN 102740254B CN 201110093935 A CN201110093935 A CN 201110093935A CN 102740254 B CN102740254 B CN 102740254B
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Abstract
The invention discloses a method and apparatus for realization of short message sending. The method comprises the following steps that: a short message service center (SMSS) initiates a short message paging request to a mobile switching center (MSC) that a target terminal of a to-be-sent short message belongs to; when the MSC returns a response message of paging failure, it is determined whether the state of the target terminal is a power-off sate or an out-of-network state according to the response time when the MSC returns the response time; if the target terminal is in the power-off sate, a preset power-off state retry strategy is employed to retry sending of the to-be-sent short message; and if the target terminal is in the out-of-network sate, a preset out-of-network state retry strategy is employed to retry sending of the to-be-sent short message. According to the invention, different retry strategies are employed for different user states, so that an influence on the performance of a core network due to high retry frequency can be avoided and the time delay of the sending of the short message can be prevented from being too long.
Description
Technical field
The present invention relates to moving communicating field, espespecially a kind of short message sends implementation method and device.
Background technology
The user of mobile terminal is used to enter such as elevator, during the null zones such as basement, mobile switching centre (Mobile Switching Centre, there is not any change in the User Status MSC), if now need to send SMS message to this user, then because this user is in the temporary transient off-grid in null zones, when then sending SMS message, according to Mobile solution agreement (Mobile Application Protocol, Map) phase2 version, mobile switching centre can not find this user, can to SMS service center (Short MessageService Center, SMSC, be called for short short message service center) return error code 27, this user of informing message center is default conditions, now VLR Visitor Location Register (Visit Location Register, VLR) recording this User Status in is default conditions, short message service center also can notify attaching position register (HomeLocation Register, HLR) recording this User Status is default conditions.So far, the state information of the user of this temporary transient off-grid all becomes default conditions in HLR and VLR, until user leaves null zones be with signal area, in VLR and HLR this user state updating after, just likely short message is sent to this user.Before short message is successfully sent to this user, short message service center can carry out transmission retry with fixing retry period, till the short message to be sent till short message is successfully sent to user or due to low memory needs deletion storage.
When user being temporarily in the default conditions of null zones and user's off-mode and can not receiving short message in prior art, short message service center can adopt identical retry period to carry out transmission retry.This can not differentiation power down user and absent subscriber and adopt identical retry period to carry out sending the mode of retry, according to higher retry frequency, then can take too much system resource, impact core net, affect network performance; Carry out retry according to lower retry frequency, then can cause sending to the short message of off-grid user can not be sent on user terminal timely after user is no longer in off-grid state, cause short message forward delay interval long.
Summary of the invention
The embodiment of the present invention provides a kind of short message to send implementation method and device, during in order to solve existing short message transmission retry, can not adopt rational retry strategy, cause the problem of system resource waste or short message forward delay interval for the user of different conditions.
A kind of short message sends implementation method, comprising:
Target terminal from short message service center to short message to be sent belonging to mobile switching centre, initiate short message paging request;
When described mobile switching centre returns the response message of paging failure, return the response time of response message according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state;
If off-mode, then default off-mode retry strategy retry is adopted to send described short message to be sent; If off-grid state, then default off-grid state retry strategy retry is adopted to send described short message to be sent.
A kind of short message sends implement device, comprising:
Module is set, for arranging off-mode retry strategy and off-grid state retry strategy;
Transceiver module, for the mobile switching centre belonging to the target terminal to short message to be sent, initiates short message paging request; And receive the response message that described mobile switching centre returns;
Judge module, for when described transceiver module receives the response message of the paging failure that described mobile switching centre returns, return the response time of response message according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state;
Processing module, for judging that the state of target terminal is off-mode when described judge module, then adopts default off-mode retry strategy retry to send described short message to be sent; When described judge module judges that the state of target terminal is off-grid state, then default off-grid state retry strategy retry is adopted to send described short message to be sent.
Beneficial effect of the present invention is as follows:
The short message that the embodiment of the present invention provides sends implementation method and device, the response time returning response message according to mobile switching centre judges that the state of target terminal is off-mode or temporary transient off-grid state, difference for User Status adopts different retry strategies, the method has adapted to the power down user demand not high to retry frequency requirement, avoid too much taking Internet resources, also adapt to the demand that off-grid user is higher to retry frequency requirement, timely short message can be sent to target terminal.Both avoided the impact of the too high performance on core net of retry frequency, the time delay avoiding again short message transmission is as much as possible long.The method realizes simple, without the need to carrying out larger transformation to existing network framework, has stronger practical value and general applicability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart that embodiment of the present invention short message sends implementation method;
Fig. 2 is the structural representation that embodiment of the present invention short message sends implement device;
Fig. 3 is the structural representation of embodiment of the present invention short message central apparatus.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Test according to reality, the present inventor finds: when user terminal shutdown when default conditions (be in relatively for a long time) and the temporary transient off-grid of user (because of signal is weak or no signal and the temporary transient short time is in default conditions) time, when short message service center (SMSC) carries out short message paging to mobile switching centre (MSC), the response speed that MSC recovers corresponding message to short message service center is different.Find according to test statistics: during the temporary transient off-grid of user, the time of MSC page response was more than 6 seconds; And user is when shutting down, the time of MSC page response is generally within 6 seconds.
Based on this, the embodiment of the present invention provides a kind of short message to send implementation method, according to MSC paging corresponding time length difference, user's off-mode and user's off-grid state are distinguished, different retry strategies is adopted for two states, thus meet the substantial demand of different user state, avoid enriching the impact caused network too frequently, off-grid user can be made to receive short message in time simultaneously.
The short message that the embodiment of the present invention provides sends implementation method, short message service center is pre-configured to be sent the off-mode retry strategy of retry for power down user short message and sends the off-grid state retry strategy of retry for off-grid user short message, wherein, the short message arranged in off-mode retry strategy sends retry frequency and is less than the short message transmission retry frequency arranged in off-grid state retry strategy.In addition, the response time thresholding of short message service center's pre-configured judgement target terminal state, for judging that the state of the target terminal of short message to be sent is off-mode or off-grid state.
Response time thresholding can be arranged based on experience value, when monitor out the response time in user's off-mode and user's off-grid state of MSC in network change time, need to upgrade in time.The response time thresholding such as arranged can be 6s ~ 30s, and when not arranging response time threshold parameter, can give tacit consent to this response time thresholding default value is 0, now represents and does not enable retry strategy preference pattern.
Short message service center needs flow process when sending short messages to target terminal as shown in Figure 1, comprises the steps:
Step S11: target terminal from short message service center to short message to be sent belonging to mobile switching centre, initiate short message paging request.
When short message service center receives the short message that source terminal sends to target terminal, according to the target terminal of short message to be sent, to attaching position register (HLR) the query routing information belonging to target terminal.There are in message the information such as IMSI, LMSI number of MSC number (i.e. the number of target MSC) and the targeted customer comprising target terminal on the road that HLR returns; Short message service center, according to the MSC number inquired, sends its short message paging request to MSC, to send SMS message to MSC and by MSC, short message to be sent to target terminal.Short message service center comprises IMSI and LMSI etc. of content of short message, target terminal to the information that MSC sends.
Step S12: receive the response message that mobile switching centre returns.
Mobile switching centre to the relevant information of VLR Visitor Location Register (VLR) query aim terminal, comprise target terminal whether can and etc. information.Mobile switching centre returns response message according to Query Result to short message service center.When destination mobile terminal is unreachable, comprise target terminal shutdown or target terminal when being temporarily in no signal or the weak region of signal, carry error status code in the response message that mobile switching centre returns to short message service center, such as: error status code 27 or 6.
Step S13: judge that whether the response message that receives is the response message of paging failure.
Return the error status code in response message according to mobile switching centre, determine that the response message that mobile switching centre returns is the response message of paging failure.Short message service center resolves the response message received, and carries error code if parsed in short message, and such as 27 or 6, then think that the response message received is the response message of paging failure.
If so, step S15 is performed; Otherwise perform step S14.
Step S14: short message to be sent is sent to target terminal.
According to the transmission flow of existing short message, short message is sent to target terminal.
MSC is from the information of VLR query aim terminal, inquiring target terminal can be timely, sets up wireless connections with VLR, and forwards short message to be sent to target terminal, after target terminal successfully receives short message, MSC returns to short message service center and receives successful confirmation.
Step S15: judge that the state of target terminal is off-mode or off-grid state.
When mobile switching centre returns the response message of paging failure, return the response time of response message according to mobile switching centre, judge that the state of target terminal is off-mode or off-grid state.Especially by judging whether response time that mobile switching centre returns response message is greater than the loud time pre-set and answers thresholding, judges that the state of target terminal is off-mode or off-grid state; If be greater than, then determine that the state of described target terminal is off-grid state; If be not more than, then determine that the state of target terminal is off-mode.
If off-mode performs step S16; If off-grid state performs step S17.
Step S16: adopt the off-mode retry strategy retry preset to send short message to be sent.
The retry frequency set in employing off-mode retry strategy or retry time cycle carry out short message and send retry.Such as: each a few minutes or every one hour retry once.
For the target terminal of off-mode, lower retry frequency or longer retry time cycle can be adopted to carry out retry.
Step S17: adopt the off-grid state retry strategy retry preset to send short message to be sent.
If off-grid state, error status code is revised as the off-grid status error code of setting, and searches the off-grid state retry strategy of setting according to described off-grid status error code, adopt the off-grid state retry strategy retry found to send short message to be sent.Such as error status code is revised as 100, and searches the retry strategy of 100 correspondences, now also error status code is revised as 100 in ticket.
The retry frequency set in employing off-grid state retry strategy or retry time cycle carry out short message and send retry.Such as: each 1 minute retry once.The retry frequency that off-grid state retry strategy is arranged is greater than the retry frequency of off-mode retry strategy setting, or says the retry time cycle that retry time cycle that off-grid state retry strategy is arranged is less than off-mode retry strategy and sets.Namely for the target terminal of off-grid state, higher retry frequency or shorter retry time cycle can be adopted to carry out retry, so that short message can be forwarded to target terminal in time.
Preferably, said method also comprises: short message service center judges whether to enable retry strategy preference pattern; If be judged as YES, when mobile switching centre returns the response message of paging failure, perform the response time returning response message according to mobile switching centre, judge that the state of target terminal is off-mode or off-grid state; Otherwise the retry strategy retry specified according to existing protocol sends short message to be sent.This determining step can perform before step S11, also can perform after step s 13; In a word, as long as performing the response time returning response message according to mobile switching centre, judge that the state of target terminal is the judgement that off-mode or off-grid state perform this retry strategy preference pattern.
The above-mentioned short message provided based on the embodiment of the present invention sends implementation method, the embodiment of the present invention also provides a kind of short message to send implement device, this device can be arranged in short message service center's (or saying short message service center's equipment), and the retry realized when short message sends unsuccessfully controls.The structure of this device as shown in Figure 2, comprising: arrange module 10, transceiver module 20, judge module 30 and processing module 40.
Module 10 is set, for arranging off-mode retry strategy and off-grid state retry strategy.
Preferably, above-mentioned module 10 being set, also answering thresholding for arranging the time of sound.
Transceiver module 20, for the mobile switching centre belonging to the target terminal to short message to be sent, initiates short message paging request; And the response message that reception mobile switching centre returns.
Preferably, above-mentioned transceiver module 20 specifically for: when receiving the response message that mobile switching centre returns, determine that the response message that mobile switching centre returns is the response message of paging failure according to the error status code in response message.
Judge module 30, for when transceiver module 20 receives the response message of the paging failure that mobile switching centre returns, returns the response time of response message according to mobile switching centre, judge that the state of target terminal is off-mode or off-grid state.
Preferably, above-mentioned judge module 30, specifically for: when transceiver module 20 receive mobile switching centre return the response message of paging failure time, judge whether response time that mobile switching centre returns response message is greater than the loud time pre-set and answers thresholding, if so, then determine that the state of target terminal is off-grid state; If not, then determine that the state of target terminal is off-mode.
Processing module 40, for judging that the state of target terminal is off-mode when judge module 30, then adopts default off-mode retry strategy retry to send described short message to be sent; When judge module 30 judges that the state of target terminal is off-grid state, then default off-grid state retry strategy retry is adopted to send short message to be sent.
Preferably, above-mentioned processing module 40, specifically for: when judge module 30 judges that the state of target terminal is off-grid state, error status code is revised as the off-grid status error code of setting, and the off-grid state retry strategy of setting is searched according to described off-grid status error code, adopt the off-grid state retry strategy retry found to send described short message to be sent.
Preferably, above-mentioned short message sends implement device and also comprises: selection module 50, enables retry strategy preference pattern for judging whether; When being judged as YES, when transceiver module 20 receives the response message of the paging failure that mobile switching centre returns, notice judge module 30 performs the response time returning response message according to mobile switching centre, judges that the state of target terminal is off-mode or off-grid state; Otherwise when transceiver module 20 receives the response message of the paging failure that mobile switching centre returns, the retry strategy retry that notification handler module 40 specifies according to existing protocol sends short message to be sent.
The above-mentioned short message provided based on the embodiment of the present invention sends implementation method and device, and the embodiment of the present invention also provides a kind of short message service center equipment, and the structure of this equipment as shown in Figure 3, comprises Service Processing Unit and Operation and Maintenance Unit.Above-mentioned Service Processing Unit can be the service processor of SMSC, and Operation and Maintenance Unit can be the Operation and Maintenance platform of SMSC.Wherein:
The Operation and Maintenance Unit that short message service center comprises arranges response time thresholding, off-grid state retry strategy and off-mode retry strategy.The Service Processing Unit that short message service center comprises, when mobile switching centre returns the response message of paging failure, response time of response message is returned and Operation and Maintenance Unit arranges response time thresholding according to mobile switching centre, judge that the state of target terminal is off-mode or off-grid state, and select to adopt off-grid state retry strategy or off-mode retry strategy retry to send short message to be sent according to judged result.
Therefore, Operation and Maintenance Unit can realize retry strategy and response time thresholding arranges function, namely realizes the above-mentioned function arranging module 10; And Service Processing Unit can these fields of arranging of improved reference cell trimming algorithms for accurate read operation maintenance unit, and can when receiving the response message of paging failure, correct parse error conditional code, carries out corresponding retry strategy selection.Namely realize transceiver module 20, judge module 30 and processing module 40, and select the function of module 50.
The above-mentioned short message that the embodiment of the present invention provides sends implementation method and device, the state of the response time and target terminal that return response message by mobile switching centre carries out statistical monitoring, rational response time thresholding is set, according to response time thresholding, judge that the state of target terminal is off-mode or temporary transient off-grid state; And the different retry strategy arranged for different user state, according to judged result, select corresponding retry strategy to carry out the retry of short message transmission.The method has adapted to the power down user demand not high to retry frequency requirement, avoid too much taking Internet resources, also the demand that off-grid user is higher to retry frequency requirement has been adapted to, when target terminal is in off-grid state, adopt the retry strategy than higher priority or higher frequency when being in off-mode, thus timely short message can be sent to target terminal.Both avoided and higher retry frequency had all been adopted to all absent subscribers, the impact caused core net because retry frequency is too high is excessive, cause network performance to be affected, reduce forwarded efficiency, the time delay that when avoiding again the temporary transient off-grid of target terminal as much as possible, short message sends is long.The method realizes simple, without the need to carrying out larger transformation to existing network framework, can realize the selection to the judgement of target terminal time of day and suitable retry strategy corresponding to each state, having stronger practical value and general applicability.
Above-mentioned explanation illustrate and describes a preferred embodiment of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (10)
1. short message sends an implementation method, it is characterized in that, comprising:
Target terminal from short message service center to short message to be sent belonging to mobile switching centre, initiate short message paging request;
When described mobile switching centre returns the response message of paging failure, return the response time of response message according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state;
If off-mode, then default off-mode retry strategy retry is adopted to send described short message to be sent; If off-grid state, then default off-grid state retry strategy retry is adopted to send described short message to be sent.
2. the method for claim 1, it is characterized in that, described short message service center is pre-configured to be sent the off-mode retry strategy of retry for power down user short message and sends the off-grid state retry strategy of retry for off-grid user short message, and the short message wherein arranged in off-mode retry strategy sends retry frequency and is less than the short message transmission retry frequency arranged in off-grid state retry strategy.
3. the method for claim 1, is characterized in that, the described response time returning response message according to described mobile switching centre, judges that the state of described target terminal is off-mode or off-grid state; Specifically comprise:
Judge whether response time that mobile switching centre returns response message is greater than the loud time pre-set and answers thresholding, if so, then determines that the state of described target terminal is off-grid state; If not, then determine that the state of described target terminal is off-mode.
4. method as claimed in claim 3, it is characterized in that, the Operation and Maintenance Unit that described short message service center comprises arranges described response time thresholding, off-grid state retry strategy and off-mode retry strategy;
The Service Processing Unit that described short message service center comprises, when described mobile switching centre returns the response message of paging failure, response time of response message is returned and Operation and Maintenance Unit arranges described response time thresholding according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state, and select to adopt off-grid state retry strategy or off-mode retry strategy retry to send described short message to be sent according to judged result.
5. the method for claim 1, is characterized in that, determines that the response message that mobile switching centre returns is the response message of paging failure according to the error status code that mobile switching centre returns in response message;
If described off-grid state, then adopt default off-grid state retry strategy retry to send described short message to be sent, specifically comprise:
If off-grid state, error status code is revised as the off-grid status error code of setting, and searches the off-grid state retry strategy of setting according to described off-grid status error code, adopt the off-grid state retry strategy retry found to send described short message to be sent.
6. the method as described in as arbitrary in claim 1-5, is characterized in that, also comprise:
Short message service center judges whether to enable retry strategy preference pattern;
When being judged as YES, performing the response time returning response message according to described mobile switching centre, judging that the state of described target terminal is off-mode or off-grid state; Otherwise the retry strategy retry specified according to existing protocol sends described short message to be sent.
7. short message sends an implement device, it is characterized in that, comprising:
Module is set, for arranging off-mode retry strategy and off-grid state retry strategy;
Transceiver module, for the mobile switching centre belonging to the target terminal to short message to be sent, initiates short message paging request; And receive the response message that described mobile switching centre returns;
Judge module, for when described transceiver module receives the response message of the paging failure that described mobile switching centre returns, return the response time of response message according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state;
Processing module, for judging that the state of target terminal is off-mode when described judge module, then adopts default off-mode retry strategy retry to send described short message to be sent; When described judge module judges that the state of target terminal is off-grid state, then default off-grid state retry strategy retry is adopted to send described short message to be sent.
8. device as claimed in claim 7, is characterized in that, describedly arranges module, also answers thresholding for arranging the time of sound;
Described judge module, specifically for: when described transceiver module receive described mobile switching centre return the response message of paging failure time, judge whether response time that mobile switching centre returns response message is greater than the loud time pre-set and answers thresholding, if so, then determine that the state of described target terminal is off-grid state; If not, then determine that the state of described target terminal is off-mode.
9. device as claimed in claim 7, it is characterized in that, when described transceiver module receives the response message that mobile switching centre returns, determine that the response message that mobile switching centre returns is the response message of paging failure according to the error status code in response message;
Described processing module, specifically for: when described judge module judges that the state of target terminal is off-grid state, error status code is revised as the off-grid status error code of setting, and the off-grid state retry strategy of setting is searched according to described off-grid status error code, adopt the off-grid state retry strategy retry found to send described short message to be sent.
10. the device as described in as arbitrary in claim 7-9, is characterized in that, also comprise: select module, for:
Judge whether to enable retry strategy preference pattern;
When being judged as YES, when described transceiver module receives the response message of the paging failure that mobile switching centre returns, notify that described judge module performs the response time returning response message according to described mobile switching centre, judge that the state of described target terminal is off-mode or off-grid state; Otherwise, when described transceiver module receives the response message of the paging failure that mobile switching centre returns, notify that the retry strategy retry that described processing module specifies according to existing protocol sends described short message to be sent.
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