CN101541054B - Method for obtaining target base station trigger message, device and system thereof - Google Patents
Method for obtaining target base station trigger message, device and system thereof Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for obtaining a target BS (base station) trigger message, a device and a system thereof, which are used in the process of switching from a service BS to a target BS, wherein the method comprises the steps of: receiving a neighbourhood broadcast message which comprises a trigger message instruction; by the trigger message instruction, knowing whether the trigger message sent by the target BS is different from the trigger message sent by the service BS or not, if so, receiving the trigger message sent by the target BS and updating the stored trigger message sent by the service BS by utilizing the trigger message sent by the target BS; and if not, storing the trigger message sent by the service BS as the trigger message of the target BS. The invention can ensure that a mobile terminal can obtain the trigger message of the target BS after being switched.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to a kind of method, Apparatus and system that obtains target base station trigger message.
Background technology
Along with the development of radio communication and the variation of user's request, fixed broadband access service and the service of moving present the trend of fusion on technology and business, and broadband mobile and mobile broadbandization become the trend of these two art development gradually.Wherein, the WiMAX technology is the important milestone of broadband mobile.
WiMAX (World Interoperability for Microwave Access) is the World Interoperability for Microwave Access, WiMax technology, it is a broadband wireless access metropolitan area network (Broadband Wireless Access Metropolitan Area Network) technology based on IEEE 802.16 standards, IEEE 802.16 standards have only been worked out the standard of physical layer (PHY) and medium Access Layer (MAC), are a kind of new air-interface standards that proposes at microwave frequency band.In this standard agreement, the switching type of support can be divided into the switching of serving BS (Serving Base Station, Serving BS) initiation and the switching that portable terminal (MS) is initiated substantially.
In the switching flow that terminal is initiated, terminal use self a cover default parameters (for example: scanning thresholding, handoff threshold etc.) triggers and initiates scanning and switching, but will directly produce following problem like this: because terminal is the switching of initiating according to the parameter of self, during some situation, this switching is not the switching of the desired generation of serving BS, so serving BS control can not be controlled this handoff procedure.
In order to realize that the serving BS control terminal scans and switches, standard agreement provides a kind of method: utilize the broadcast of serving BS to issue triggering message, scan switching by this triggering message trigger terminal.The concrete measure of this method is: serving BS utilizes broadcast to issue many and triggers message (Trigger), and the Trigger information that all terminals are carried broadcast under the serving BS is preserved.When terminal finds that downstream signal deteriorates into to a certain degree, terminal will preferentially use Trigger predetermined parameter and thresholding to carry out the scanner uni switching.Wherein, described Trigger generally is expressed as the TLV form according to the regulation in the standard agreement.
The above-mentioned prior art of utilizing the broadcast of serving BS can realize that the serving BS control terminal scans and switches, and still, the inventor finds that in research process it has the following disadvantages at least:
If control terminal is initiated thresholding, mode and the action of scanner uni handover trigger, need to send two Trigger so at least, a triggering terminal scans the adjacent area serving BS, and another triggering terminal is switched.When serving BS issues Trigger in broadcasting, and do not issue Trigger in the broadcasting of adjacent area serving BS, following problem will occur: terminal can't utilize scanning, handoff parameter in this base station to scan, switch after switching to this target BS.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method, Apparatus and system that obtains target base station trigger message, so that MS switches the back correct Target of acquisition BS Trigger information down, thereby the solution terminal switches to the problem that the triggering message that can't utilize this base station to issue behind this target BS scans, switches.
The embodiment of the invention is achieved in that
A kind of method of obtaining target base station trigger message is used for switching to from serving BS the process of target BS, comprising:
Receive neighboring broadcast messages, described neighboring broadcast messages comprises that triggering message indicates;
By the indication of described triggering message, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences,
If, receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue;
If not, preserve triggering message that described serving BS issues triggering message as described target BS.
A kind of device that triggers message that issues comprises:
Trigger message and issue module, be used to issue neighboring broadcast messages;
Trigger message indication preset module, be used for presetting the indication of triggering message in described neighboring broadcast messages, whether the triggering message that triggering message that described triggering message indication expression target BS issues and serving BS issue there are differences.
A kind of device that obtains target base station trigger message comprises:
The neighboring broadcast messages acquisition module is used to receive neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Trigger message indication parsing module, be used for, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences by resolving described triggering message indication;
The target base station trigger message acquisition module, be used for determining to exist described difference if trigger message indication parsing module, then receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue; Otherwise, preserve triggering message that described serving BS issues triggering message as described target BS.
A kind of system that obtains target base station trigger message, described system comprises: serving BS, target BS and portable terminal;
Described serving BS is used to issue neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Described portable terminal is used for by described triggering message indication, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences, if, receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue; If not, preserve triggering message that described serving BS issues triggering message as described target BS.
Compared with prior art, the technical scheme that provides of the embodiment of the invention has the following advantages and characteristics:
Indicate by the triggering message in the neighboring broadcast messages, when serving BS issues triggering message, and target BS does not issue when triggering message, portable terminal is by resolving this indication, can know that target BS does not issue the truth that triggers message, not think that target BS has issued and this false judgment of serving BS identical triggering message, make portable terminal after switching to target BS and can not produce, can preserve the triggering message that target BS issues, the scanning of carrying out neighbor base station is switched.
In addition, also can be by pre-configured, the triggering message that the base station is issued limits, stipulate that all use in the net base station and trigger message or do not use triggering message, therefore with regard to can not occur epimere describe in serving BS issue and trigger message and the adjacent area serving BS does not issue the problem that occurs when triggering message, realize simple, convenient.
Description of drawings
Fig. 1 obtains the flow chart of steps of target base station trigger message for the embodiment of the invention one;
Fig. 2 obtains the flow chart of steps of target base station trigger message for the embodiment of the invention two;
Fig. 3 obtains the flow chart of steps of target base station trigger message for the embodiment of the invention three;
Fig. 4 issues the structured flowchart of the device embodiment that triggers message for the embodiment of the invention is a kind of;
Fig. 5 is a kind of structured flowchart that obtains the device embodiment one of target base station trigger message of the embodiment of the invention;
Fig. 6 is a kind of structured flowchart that obtains the device embodiment two of target base station trigger message of the embodiment of the invention;
Fig. 7 is a kind of structured flowchart that obtains the device embodiment three of target base station trigger message of the embodiment of the invention;
Fig. 8 is a kind of structured flowchart that obtains the system embodiment one of target base station trigger message of the embodiment of the invention;
Fig. 9 is a kind of structured flowchart that obtains the system embodiment two of target base station trigger message of the embodiment of the invention;
Figure 10 is a kind of structured flowchart that obtains the system embodiment three of target base station trigger message of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described.
Usually, the reason that causes portable terminal to switch is a lot, for example: when portable terminal moves, owing to signal attenuation, interference etc., need switch to the better base station of signal quality; QoS (Quality of Station, service quality) parameter when perhaps, communicating by letter between portable terminal and the another one base station is than the qos parameter height of current connection base station.The main purpose of switching is in order to realize that the user keeps its professional continuity in moving process.Both switched and to initiate by the portable terminal decision-making, also can initiate by base station to determine.The present invention relates to obtain in a kind of base stations control mobile terminal switching process the method for target base station trigger message.
With reference to figure 1, show the flow chart of steps of the embodiment of the invention one, specifically may further comprise the steps:
Step 101, reception neighboring broadcast messages, described neighboring broadcast messages comprise that triggering message indicates;
Step 102, by the indication of described triggering message, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences, if then execution in step 103; Otherwise, execution in step 104;
Step 103, receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue;
The triggering message that step 104, the described serving BS of preservation issue is as the triggering message of described target BS.
Wherein, described triggering message indication can be set to indicate by an indication field, and this indication field can be set to character or character string according to presetting rule; And, issue triggering message owing to serving BS under the situation that the triggering message that triggering message that the described target BS of embodiment of the invention selective analysis issues and serving BS issue there are differences, and target BS does not issue when triggering message, and portable terminal obtains the situation of target base station trigger message.
For the ease of the present invention is further understood, describe the present invention below in conjunction with the specific embodiment of the present invention.
Stipulate according to agreement, when portable terminal after networking under the serving BS, when the triggering message content of serving BS and target BS there are differences, neighboring broadcast messages just is handed down to portable terminal with this difference, for serving BS and target BS identical triggering message content, neighboring broadcast messages can not issue, if portable terminal is found the content of reflection target BS in the neighboring broadcast messages and is not carried triggering message, and the content of reflection serving BS carries triggering message, at this moment, will to be defaulted as the triggering message of target BS consistent with the triggering message content of serving BS for portable terminal.Therefore, when target BS does not issue triggering message, the content of reflection target BS just can not carried triggering message in the neighboring broadcast messages, actually this will cause portable terminal can't distinguish following which kind of situation: target BS does not issue triggering message, or the triggering message that target BS issues is consistent with the triggering message content that serving BS issues.Occur for fear of such situation, the embodiment of the invention one presets in neighboring broadcast messages and triggers the message indication, whether the triggering message that triggering message that is issued by this triggering message indication reflection target BS and serving BS issue there are differences, and detailed process is as described below:
Current mobile terminal networks under serving BS, the neighboring broadcast messages received of portable terminal is exactly that serving BS issues so, the downlink channel descriptor setting of carrying in the neighboring broadcast messages (Downlink Channel Descriptor Setting, DCD Setting) belongs to target BS, the triggering message content that carries among this DCDSetting also belongs to target BS, if this moment, target BS did not issue triggering message, when the indication of triggering message adopts field to indicate, describe the triggering message indication field indication "No" of the DCD Setting of target BS in the neighboring broadcast messages that serving BS issues, and in DCD Setting, also do not have the triggering message content; If target BS issues triggering message and this triggering message is identical with the triggering message content that serving BS issues, triggering message in the neighboring broadcast messages that this moment, serving BS issued is designated as "Yes" so, also need not to carry this triggering message content among the DCD Setting simultaneously, this be because, portable terminal can obtain and preserve the triggering message that serving BS issues by the DCD broadcast after serving BS networks.The triggering message field of obtaining the DCD Setting that describes target BS in the neighboring broadcast messages when portable terminal is designated as "Yes" but when not triggering message, portable terminal will be interpreted as target BS issue trigger message and this triggering message identical with the triggering message content that serving BS issues; Otherwise when described triggering message indication field was designated as "No", portable terminal will know that target BS does not issue triggering message.The situation that described triggering message indication field is not limited to enumerate in the embodiment of the invention can be set to any character or character string according to presetting rule.
By the triggering message indication field of resolving neighboring broadcast messages and carrying, portable terminal can be understood the triggering message content of adjacent area target BS, when portable terminal satisfies certain condition under serving BS neighbor base station is scanned, and after switching to target BS, portable terminal will upgrade the triggering message that the serving BS preserved issues according to resolving triggering message content that the target BS that obtains issues when the serving BS.
The detailed process that relevant mobile scanning terminal switches is a content well-known to those skilled in the art, only be described slightly: portable terminal is measured the channel quality of down channel herein, when finding that current down channel quality is poor, when being lower than the thresholding that triggers message specifies, will trigger scanning according to the thresholding definition that triggers message so, switch or scan and report for neighbor base station.In addition a lot of other situations are switched in current scanning, and still, the process that this scanning is switched is a branch priority, exist under the situation that triggers message, and the priority of triggering message is higher.
In second execution mode of the present invention, at first,, the base station issued trigger message and limit according between the base station and base station pre-configured with between the portable terminal, stipulate that all use triggering message in the base station of net.At this moment, portable terminal obtain target base station trigger message idiographic flow as shown in Figure 2:
By above-mentioned configuration constraint, stipulate all the net the base station all use triggering message, portable terminal just knows that Current Serving BTS and target BS all issue triggering message when networking, therefore, only the triggering message content that needs differentiation Current Serving BTS and target BS to issue gets final product, to avoid the appearance of following problem: the content of reflection target BS is not carried triggering message in neighboring broadcast messages, and the content of reflection serving BS carries triggering message, target BS does not issue triggering message thereby cause portable terminal can't distinguish actually, or the triggering message that target BS issues is consistent with the triggering message content that serving BS issues.
Another kind of feasible embodiment three is: according between the base station and base station pre-configured with between the portable terminal, the base station issued trigger message and limit, stipulate that all do not use triggering message in the base station of net.At this moment, portable terminal obtain target base station trigger message idiographic flow as shown in Figure 3:
Present embodiment issues triggering message for the base station and limits with similar among the embodiment two, and those skilled in the art can revise protocol code and get final product according to configuration in advance.
The above embodiment of the invention has only been described the solution that goes wrong easily in this Optional Field process of triggering message that issues at the base station, has the Optional Field of control action in other broadcasts in the Wimax agreement some, the method of the embodiment of the invention stands good, and the embodiment of the invention is no longer given unnecessary details at this.
The embodiment of the invention also discloses a kind of device embodiment that triggers message that issues, as shown in Figure 4, the described device 400 that triggers message that issues comprises:
Trigger message and issue module 401, be used to issue neighboring broadcast messages;
Trigger message indication preset module 402, be used for presetting the indication of triggering message in described neighboring broadcast messages, whether the triggering message that triggering message that described triggering message indication expression target BS issues and serving BS issue there are differences.
Need to prove that in the embodiment of the invention, this issues the device that triggers message can be base station itself, also can be the functional module in the base station, can pass through software, hardware or software and hardware combining and realize that the embodiment of the invention is not done concrete restriction to this.
Should issue the device that triggers message mutually, the embodiment of the invention discloses a kind of device embodiment one that obtains target base station trigger message, as shown in Figure 5, the described device 500 that obtains target base station trigger message comprises:
Neighboring broadcast messages acquisition module 501 is used to receive neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Trigger message indication parsing module 502, be used for, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences by resolving described triggering message indication;
Target base station trigger message acquisition module 503, be used for determining to exist described difference if trigger message indication parsing module 502, then receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue; Determine not have described difference if trigger message indication parsing module 502, preserve triggering message that described serving BS issues triggering message as described target BS.
The embodiment of the invention also discloses a kind of device embodiment two that obtains target base station trigger message, as shown in Figure 6, be used for when the base station being issued when triggering message and limiting, this device specifically comprises:
Configuration information acquisition module 601 is used for according to pre-configured, knows that serving BS and target BS all issue triggering message;
Neighboring broadcast messages acquisition module 602 is used to receive neighboring broadcast messages, and described neighboring broadcast messages comprises the triggering message of target BS;
Neighboring broadcast messages parsing module 603 is used to resolve described neighboring broadcast messages, obtains the triggering message of target BS.
Correspondingly, between according to the base station and pre-configured with between the portable terminal of base station, the base station is issued triggering message limits, when stipulating that all do not use triggering message in the base station of net, the embodiment of the invention discloses the device embodiment three that another obtains target base station trigger message, as shown in Figure 7, this device specifically comprises:
Configuration information acquisition module 701 is used for according to pre-configured, knows that serving BS and target BS do not issue triggering message;
Neighboring broadcast messages acquisition module 702 is used to receive neighboring broadcast messages, and described neighboring broadcast messages comprises the Current Serving BTS link quality information;
Target base station trigger message acquisition module 703 is used for when described serving BS link-quality is lower than the link-quality threshold value that presets, and utilizes the scanning of self preserving, the triggering message that the handoff threshold parameter generates target BS.
Similarly, the device that obtains target base station trigger message of the present invention can be base station itself, also can be the functional module in the base station, and the embodiment of the invention is not done concrete restriction to this.
The embodiment of the invention also discloses a kind of system embodiment one of obtaining target base station trigger message, as shown in Figure 8, described system 800 comprises: serving BS 801, target BS 802 and portable terminal 803;
Described serving BS 801 is used to issue neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Described portable terminal 803 is used for by described triggering message indication, know whether the triggering message that triggering message that target BS 802 issues and serving BS 801 issue there are differences, if, receive the triggering message that described target BS 802 issues, and the triggering message that issues of the serving BS 801 preserved of the triggering information updating that utilizes this target BS 802 to issue; If not, preserve triggering message that described serving BS 801 issues triggering message as described target BS 802.
The embodiment of the invention has provided the system embodiment two that another kind of base stations control portable terminal switches, and as shown in Figure 9, described system comprises: serving BS 901, target BS 902 and portable terminal 903;
Described serving BS 901 and target BS 902 are according to the pre-configured triggering message that all issues;
Described serving BS 901 is used to issue neighboring broadcast messages, and described neighboring broadcast messages comprises the triggering message of target BS 902;
Described portable terminal 903 is used to resolve described neighboring broadcast messages, obtains the triggering message that target BS 901 issues.
Accordingly, the embodiment of the invention also discloses the system embodiment three that another kind of base stations control portable terminal switches, as shown in figure 10, described system comprises: serving BS 1001, target BS 1002 and portable terminal 1003;
Described serving BS 1001 and target BS 1002 are according to the pre-configured triggering message that do not issue;
Described serving BS 1001 is used to issue neighboring broadcast messages, and described neighboring broadcast messages comprises Current Serving BTS 1001 link quality information;
Described portable terminal 1003 is used for when described serving BS 1001 link-qualities are lower than the link-quality threshold value that presets, and utilizes the scanning of self preserving, the triggering message that the handoff threshold parameter generates target BS 1002.
As seen, the embodiment of the invention is by the indication of the triggering message in the neighboring broadcast messages, when serving BS issues triggering message, and target BS does not issue when triggering message, portable terminal is by resolving this indication, can know that target BS does not issue the truth that triggers message, do not think that target BS has issued and this false judgment of serving BS identical triggering message and can not produce, make portable terminal after switching to target BS, can preserve the triggering message that target BS issues, the scanning of carrying out neighbor base station is switched.
In addition, the embodiment of the invention also can be by pre-configured, the triggering message that the base station is issued limits, stipulate that all use in the net base station and trigger message or do not use triggering message, therefore with regard to can not occur epimere describe in serving BS issue and trigger message and the adjacent area serving BS does not issue the problem that occurs when triggering message, realize simple, convenient.
One of ordinary skill in the art will appreciate that, the process of the method for realization the foregoing description can be finished by the relevant hardware of program command, described program can be stored in the read/write memory medium, and this program is carried out the corresponding step in the said method when carrying out.Described storage medium can be as ROM/RAM, magnetic disc, CD etc.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the embodiment of the invention in other embodiments.Therefore, the embodiment of the invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. method of obtaining target base station trigger message is used for switching to from serving BS the process of target BS, it is characterized in that, comprising:
Receive neighboring broadcast messages, described neighboring broadcast messages comprises that triggering message indicates;
By the indication of described triggering message, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences,
If, receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue;
If not, preserve triggering message that described serving BS issues triggering message as described target BS.
2. the method for obtaining target base station trigger message according to claim 1 is characterized in that, the triggering message that triggering message that described target BS issues and serving BS issue there are differences and comprises:
Serving BS issues triggering message, and target BS does not issue triggering message.
3. one kind issues the device that triggers message, it is characterized in that, comprising:
Trigger message and issue module, be used to issue neighboring broadcast messages;
Trigger message indication preset module, be used for presetting the indication of triggering message in described neighboring broadcast messages, whether the triggering message that triggering message that described triggering message indication expression target BS issues and serving BS issue there are differences.
4. a device that obtains target base station trigger message is characterized in that, comprising:
The neighboring broadcast messages acquisition module is used to receive neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Trigger message indication parsing module, be used for, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences by resolving described triggering message indication;
The target base station trigger message acquisition module, be used for determining to exist described difference if trigger message indication parsing module, then receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue; Otherwise, preserve triggering message that described serving BS issues triggering message as described target BS.
5. a system that obtains target base station trigger message is characterized in that, described system comprises: serving BS, target BS and portable terminal;
Described serving BS is used to issue neighboring broadcast messages, and described neighboring broadcast messages comprises that triggering message indicates;
Described portable terminal is used for by described triggering message indication, know whether the triggering message that triggering message that target BS issues and serving BS issue there are differences, if, receive the triggering message that described target BS issues, and the triggering message that issues of the serving BS preserved of the triggering information updating that utilizes this target BS to issue; If not, preserve triggering message that described serving BS issues triggering message as described target BS.
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| CN106804030A (en) * | 2017-02-15 | 2017-06-06 | 深圳市广和通无线通信软件有限公司 | Short message protocol type configuration method and apparatus |
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| CN114168021B (en) * | 2022-01-30 | 2022-06-21 | 浙江口碑网络技术有限公司 | Information display method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106804030A (en) * | 2017-02-15 | 2017-06-06 | 深圳市广和通无线通信软件有限公司 | Short message protocol type configuration method and apparatus |
| CN106804030B (en) * | 2017-02-15 | 2019-11-19 | 深圳市广和通无线通信软件有限公司 | Short message protocol type configuration method and apparatus |
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