CN102612069A - Mobile communication system based on Internet protocol (IP) bearing and method for switching cells in system - Google Patents
Mobile communication system based on Internet protocol (IP) bearing and method for switching cells in system Download PDFInfo
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Abstract
The invention discloses a mobile communication system based on Internet protocol (IP) bearing and a method for switching cells in the system. The system comprises a base station and a superior network element. The method comprises the following steps that: during communication of a mobile terminal, a service base station measures the transmission quality of an IP service link by virtue of a real-time transmission control protocol and reports a measurement result to the superior network element; and the superior network element triggers a cell switching flow aiming at the mobile terminal when judging that the transmission quality of the IP service link cannot meet a preset requirement according to the received measurement result. According to the system and the method, under the conditions that the transmission quality of the IP service link is relatively low and the transmission quality of a wireless link is relatively high, the system tries to switch the cells; and therefore, under a certain condition, the user communication sensitivity is improved, the call drop rate is reduced, and the whole performance of a mobile network is improved.
Description
Technical field
The present invention relates to mobile communications network, relate in particular to the method that switch the sub-district in a kind of GSM that carries based on IP and the system.
Background technology
In mobile subscriber's communication process, in the best sub-district of signal quality and in order to make to call out, be unlikely to call drop in order to make call setup, introduced the notion that switch the sub-district.In other words, the purpose that switch the sub-district guarantees that exactly portable terminal conversation when a sub-district moves to another sub-district can proceed, to satisfy the needs of network management.
In the existing mobile communication process; The report to the down wireless link measurement that portable terminal regularly sends to network in the communication process is depended in the judgement of switching; And Current Serving BTS is to the report of up-link wireless link measurement; These two parts of measurement reports are adjudicated delivering in the upper level network element simultaneously, as the initial conditions of switch decision.Mainly comprise in the wireless measurement report: measurement result parameters such as signal level, signal quality, Timing Advance.
As shown in Figure 1, existing sub-district switching flow comprises:
Step 1, in mobile terminal calling process, portable terminal and serving BS are measured the current wireless quality respectively, portable terminal can be given serving BS through the wireless measurement report reporting with the result;
Step 2, serving BS together send to upper level network element with the portable terminal that receives to the wireless measurement report of its transmission and the wireless measurement report that measures voluntarily;
If step 3, upper level network element are judged and need be carried out the sub-district switching to this portable terminal according to the wireless measurement report and the switch decision condition that receive, then carry out the sub-district switching flow; Otherwise, do not carry out handover operation.
For the mobile communications network that carries based on IP, whether if consider to carry out from the incoming level of signal, the quality of reception etc. and wireless relevant angle merely the sub-district switches is incomplete.For example, under abominable IP network environment (under the satellite transmits environment),, often can't guarantee voice quality because indexs such as time delay, shake, packet loss worsen; But then, if parameters such as the signal incoming level that in the wireless measurement report that portable terminal and base station report, is shown or the quality of reception are all fine, just can not satisfy the condition of existing sub-district switching.In such cases, along with the progressively deterioration of IP network environment, gently then can reduce portable terminal voice conversation quality (for example speech discontinuous, noise etc. occurs), heavy then relevant IP link down can occur, and then cause the portable terminal call drop.
Summary of the invention
The technical problem that the present invention will solve provides the method that switch the sub-district in a kind of GSM that carries based on IP and the system; Preferably under the situation, do not carry out the defective that switch the sub-district to overcome in the existing GSM that carries based on IP in the relatively poor and radio link quality of IP operation link transmission quality.
For addressing the above problem, the invention provides a kind of method of switching based on sub-district in the GSM of IP carrying, comprising:
In mobile terminal calling process, serving BS utilizes RTCP Real-time Transport Control Protocol that the transmission quality of IP operation link is measured, and gives upper level network element with reporting measuring result;
When said upper level network element can not satisfy preset requiring at the transmission quality of judging said IP operation link according to the measurement result that receives, trigger sub-district switching flow to said portable terminal.
Further,
Carry the one group parameter relevant in the said measurement result, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of current IP service link.
Further,
Give upper level network element with reporting measuring result, specifically comprise: said serving BS whenever reports the measurement result that obtains after once the transmission quality of said IP operation link being measured at a distance from a setting cycle to said upper level network element;
When said upper level network element can not satisfy preset requiring at the transmission quality of judging said IP operation link according to the measurement result of receiving; Specifically comprise: said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring; Wherein, P is a positive integer.
Further,
Said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
In said P group parameter, judge whether that the above parameter of N group does not satisfy first condition, if think that then the transmission quality of said IP operation link does not satisfy preset requirement;
Wherein, N is the positive integer smaller or equal to P; Said first condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps said first condition refers to: for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
Further,
Said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
In said P group parameter; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of said IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes.
Further,
Saidly give upper level network element, specifically comprise reporting measuring result:
Said measurement result and wireless measurement report are together reported said upper level network element;
Said method also comprises:
Said upper level network element triggers the sub-district switching flow to said portable terminal when judging the said wireless measurement report that receives and satisfy wireless switch decision condition.
The present invention also provides a kind of GSM that carries based on IP, comprising: base station and upper level network element;
Measurement mechanism in the said base station is used for the communication process of the portable terminal in said base station services scope, utilizes RTCP Real-time Transport Control Protocol that the transmission quality of IP operation link is measured, and gives upper level network element with reporting measuring result;
Switch decision device in the said upper level network element is used for when the transmission quality of judging said IP operation link according to the measurement result that receives can not satisfy preset requiring, triggering the sub-district switching flow to said portable terminal.
Further,
Carry the one group parameter relevant in the said measurement result, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of current IP service link.
Further,
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises: said measurement mechanism is used for whenever reporting the measurement result that obtains after once the transmission quality of said IP operation link being measured to said upper level network element at a distance from a setting cycle;
Said switch decision device is used for when the transmission quality of judging said IP operation link according to the measurement result of receiving can not satisfy preset requiring; Specifically comprise: said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring; Wherein, P is a positive integer.
Further,
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used for judging in said P group parameter whether have the above parameter of N group not satisfy first condition, if think that then the transmission quality of said IP operation link does not satisfy preset requirement;
Wherein, N is the positive integer smaller or equal to P; Said first condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps said first condition refers to: for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
Further,
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used in said P group parameter; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of said IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes.
Further,
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises:
Said measurement mechanism is used for said measurement result and wireless measurement report are together reported said upper level network element;
Said switch decision device also is used for when judging the said wireless measurement report that receives and satisfy wireless switch decision condition, triggering the sub-district switching flow to said portable terminal.
After adopting the present invention, preferably under the situation, the system that makes can attempt carrying out the sub-district to be switched in the relatively poor and radio link quality of IP operation link transmission quality; Thereby under certain condition; Improve the user's communication perceptibility, reduced cutting off rate, improved mobile network's overall performance.
Description of drawings
Fig. 1 is existing cell switch determining method flow chart;
Fig. 2 is the method flow diagram that switch the sub-district in the GSM that carries based on IP in the embodiment of the invention;
Fig. 3 is a cell switch determining method flow chart in the embodiment of the invention.
Embodiment
Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
In the present embodiment, as shown in Figure 2 based on the method that switch sub-district in the GSM of IP carrying, comprising:
Step 10, in mobile terminal calling process; Serving BS utilizes RTCP (Real-time Transport Control Protocol; RTCP Real-time Transport Control Protocol) transmission quality of IP operation link is measured, and given upper level network element reporting measuring result;
Wherein, The process that reports of measurement result can periodically be carried out; Promptly whenever report the measurement result that once carries the one group parameter relevant, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of above-mentioned IP service link at a distance from a setting cycle;
When step 20, upper level network element can not satisfy preset requiring at the transmission quality of judging this IP operation link according to the measurement result of receiving, trigger sub-district switching flow to above-mentioned portable terminal.
For fear of frequent switching; In another embodiment; Upper level network element can judge whether the transmission quality of this IP operation link satisfies preset requirement according to the P group parameter of carrying in P the measurement result of receiving; Wherein, P is a positive integer, and its value can be preconfigured in the upper level network element through manual type.Deterministic process can adopt any one in the following manner:
Mode one:
In the P group parameter that receives, judge whether that the above parameter of N group does not satisfy first condition, if think that then the transmission quality of this IP operation link does not satisfy preset requirement; Otherwise, think that the transmission quality of this IP operation link satisfies preset requirement.Wherein, N is the positive integer smaller or equal to P, and its value can also be preconfigured in the upper level network element through manual type; First condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps, for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
Mode two:
In the P group parameter that receives; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of this IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes; Otherwise, think that the transmission quality of this IP operation link satisfies preset requirement.
In above-mentioned dual mode, the corresponding thresholding of parameter of all categories is respectively: the corresponding thresholding of time delay is the time delay thresholding, and its unit is a millisecond; The corresponding thresholding of shake is the shake thresholding, and unit is a millisecond; The thresholding that packet loss is corresponding is the packet loss thresholding, and unit is a percentage.In addition, all kinds of parameters such as time delay, shake, packet loss comprise up, descending and two-way three direction of measurement.
In another embodiment of the present invention, serving BS can together report upper level network element with above-mentioned measurement result and wireless measurement report; Upper level network element can also trigger the sub-district switching flow to above-mentioned portable terminal when judging the wireless measurement report that receives and satisfy the second switch decision condition.Wherein, the second switch decision condition can adopt employed switch decision condition in the switching flow of existing sub-district.
In the case, above-mentioned cell switching method can regard that existing the effective of cell switching method who measures based on wireless quality replenishes as, and both can join together to use together.Specifically, both are coordination, if promptly satisfy both one of, can the triggering cell switching flow.
Below in conjunction with accompanying drawing technical scheme of the present invention is further described in detail.
Based on the method that switch sub-district in the GSM of IP carrying, as shown in Figure 3, comprising:
Step 1: set through the backstage, launch new cell switch determining method.Simultaneously, relevant parameters such as configuration RTCP each item threshold value (comprising: any or combination in any in time delay thresholding, shake thresholding, the packet loss thresholding), IP operation link transmission quality value measuring period, P value, N value;
Step 2: in the communication process of portable terminal, serving BS uses RTCP that the transmission quality of IP operation link is measured, according to IP operation link transmission quality value measuring period of above-mentioned configuration with reporting measuring result to higher level's network element.Simultaneously, this serving BS will also report to upper level network element through the wireless measurement report that Radio Link is measured;
Step 3: upper level network element is after collecting the transmission quality measurement result of P IP operation link; Whether judge wherein has the value of the part or all of parameter that comprises in N the above measurement result to surpass corresponding thresholding; If have, then trigger sub-district switching flow to this portable terminal; If no, then carry out step 4.
Need to prove that in the process of gathering measurement result, upper level network element can be used sliding window mechanism; The P value is the size of sliding window, 1 measurement result of every collection, and window is to 1 unit of front slide; Whenever after collecting P measurement result, can carry out once above-mentioned deterministic process;
Step 4: upper level network element is collected existing wireless measurement report, judges whether to satisfy switching condition by current mechanism.If satisfy, then trigger sub-district switching flow to this portable terminal, if do not satisfy, switch the sub-district that then is not directed against this portable terminal.
Annotate: in the realization flow, step 3 and step 4 can be exchanged, and both are coordination.
In the present embodiment, the said GSM that carries based on IP comprises: base station and upper level network element;
Measurement mechanism in the said base station is used for the communication process of the portable terminal in said base station services scope, utilizes RTCP Real-time Transport Control Protocol that the transmission quality of IP operation link is measured, and gives upper level network element with reporting measuring result;
Switch decision device in the said upper level network element is used for when the transmission quality of judging said IP operation link according to the measurement result that receives can not satisfy preset requiring, triggering the sub-district switching flow to said portable terminal.
More excellent ground,
Carry the one group parameter relevant in the said measurement result, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of current IP service link.
More excellent ground,
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises: said measurement mechanism is used for whenever reporting the measurement result that obtains after once the transmission quality of said IP operation link being measured to said upper level network element at a distance from a setting cycle;
Said switch decision device is used for when the transmission quality of judging said IP operation link according to the measurement result of receiving can not satisfy preset requiring; Specifically comprise: said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring; Wherein, P is a positive integer.
More excellent ground,
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used for judging in said P group parameter whether have the above parameter of N group not satisfy first condition, if think that then the transmission quality of said IP operation link does not satisfy preset requirement;
Wherein, N is the positive integer smaller or equal to P; Said first condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps said first condition refers to: for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
More excellent ground,
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used in said P group parameter; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of said IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes.
More excellent ground,
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises:
Said measurement mechanism is used for said measurement result and wireless measurement report are together reported said upper level network element;
Said switch decision device also is used for when judging the said wireless measurement report that receives and satisfy wireless switch decision condition, triggering the sub-district switching flow to said portable terminal.
Be that the present invention will be described for example with GSM (Global System for Mobile Communications, the global system for mobile telecommunications) system of carrying below based on IP.
Applying examples one
Step 1: the sub-district handoff functionality based on the RTCP measurement function is launched in setting from the backstage; (two-way) time delay thresholding that RTCP is set is 600ms, and (descending) shake thresholding is 30ms, and (descending) packet loss thresholding is 3%; RTCP reporting measuring result periodic quantity T is 3 seconds; The P value is 5, and the N value is 3;
Step 2: conversation beginning, serving BS side whenever at a distance from 3 seconds can be with the reporting measuring result of RTCP to higher level's network element BSC (Base Station Controller, base station controller), it is as shown in table 1 that BSC collects the measurement result of the individual RTCP of preceding P (P=5).
The measurement result that step 3:BSC collects according to step 2 is judged whether trigger the sub-district switching flow to this portable terminal, specifically comprises:
1) in the measurement result 1, two-way time delay 620ms surpasses the 600ms thresholding;
2) in the measurement result 2, descending shake 35ms surpasses the 30ms thresholding;
3) in the measurement result 3, there is not parameter to surpass corresponding threshold value;
4) in the measurement result 4, two-way time delay 650ms surpasses the 600ms thresholding, and descending shake 35ms surpasses the 30ms thresholding, and descending packet loss 4% surpasses 3% thresholding;
5) in the measurement result 5, descending packet loss 5% surpasses 3% thresholding.
In sum, in P (P=5) the group measurement result, there are 4 to surpass RTCP measurement dependent threshold.And 4 greater than N (N=3).Therefore, trigger the sub-district switching flow that is directed against above-mentioned portable terminal.
Applying examples two
Step 1: the sub-district handoff functionality based on the RTCP measurement function is launched in setting from the backstage; (descending) shake thresholding that RTCP is set is 30ms, and (descending) packet loss thresholding is 3%, and the time delay dependent threshold is not set; The report cycle T of RTCP measurement result is 4 seconds; The P value is 4, and the N value is 3;
Step 2: conversation beginning, serving BS side whenever at a distance from 4 seconds reporting measuring result with RTCP to BSC.A period of time after the conversation beginning, BSC is as shown in table 2 through the measurement result of the individual RTCP of P (P=4) that sliding window mechanism is collected.Simultaneously, the serving BS side with the wireless measurement report reporting to BSC.
The measurement result that step 3:BSC collects according to step 2 is judged whether trigger the sub-district switching flow to this portable terminal, specifically comprises:
1) in the measurement result 1, descending shake 35ms surpasses the 30ms thresholding;
2) in the measurement result 2, there is not parameter to surpass corresponding thresholding;
3) in the measurement result 3, there is not parameter to surpass corresponding thresholding;
4) in the measurement result 4, there is not parameter to surpass corresponding thresholding;
In sum, in P (P=4) the group measurement result, there is 1 to surpass RTCP measurement dependent threshold.And 1 less than N (N=3).Therefore, do not trigger the sub-district switching flow that is directed against above-mentioned portable terminal.
Step 4:, adjudicate the sub-district that whether is directed against above-mentioned portable terminal and switch with according to existing wireless measurement report.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is merely the preferred embodiments of the present invention, is not to be used to limit protection scope of the present invention.According to summary of the invention of the present invention; Also other various embodiments can be arranged; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and are all within spirit of the present invention and principle; Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the method that switch the sub-district in the GSM that carries based on IP comprises:
In mobile terminal calling process, serving BS utilizes RTCP Real-time Transport Control Protocol that the transmission quality of IP operation link is measured, and gives upper level network element with reporting measuring result;
When said upper level network element can not satisfy preset requiring at the transmission quality of judging said IP operation link according to the measurement result that receives, trigger sub-district switching flow to said portable terminal.
2. the method for claim 1 is characterized in that:
Carry the one group parameter relevant in the said measurement result, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of current IP service link.
3. method as claimed in claim 2 is characterized in that:
Give upper level network element with reporting measuring result, specifically comprise: said serving BS whenever reports the measurement result that obtains after once the transmission quality of said IP operation link being measured at a distance from a setting cycle to said upper level network element;
When said upper level network element can not satisfy preset requiring at the transmission quality of judging said IP operation link according to the measurement result of receiving; Specifically comprise: said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring; Wherein, P is a positive integer.
4. method as claimed in claim 3 is characterized in that:
Said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
In said P group parameter, judge whether that the above parameter of N group does not satisfy first condition, if think that then the transmission quality of said IP operation link does not satisfy preset requirement;
Wherein, N is the positive integer smaller or equal to P; Said first condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps said first condition refers to: for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
5. method as claimed in claim 3 is characterized in that:
Said upper level network element is being organized parameter according to the P that carries in P the measurement result of receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
In said P group parameter; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of said IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes.
6. the method for claim 1 is characterized in that:
Saidly give upper level network element, specifically comprise reporting measuring result:
Said measurement result and wireless measurement report are together reported said upper level network element;
Said method also comprises:
Said upper level network element triggers the sub-district switching flow to said portable terminal when judging the said wireless measurement report that receives and satisfy wireless switch decision condition.
7. a GSM that carries based on IP comprises: base station and upper level network element;
Measurement mechanism in the said base station is used for the communication process of the portable terminal in said base station services scope, utilizes RTCP Real-time Transport Control Protocol that the transmission quality of IP operation link is measured, and gives upper level network element with reporting measuring result;
Switch decision device in the said upper level network element is used for when the transmission quality of judging said IP operation link according to the measurement result that receives can not satisfy preset requiring, triggering the sub-district switching flow to said portable terminal.
8. system as claimed in claim 7 is characterized in that:
Carry the one group parameter relevant in the said measurement result, comprise any a type or the combination in any in time delay, shake, the packet loss in every group of parameter with the transmission quality of current IP service link.
9. system as claimed in claim 8 is characterized in that:
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises: said measurement mechanism is used for whenever reporting the measurement result that obtains after once the transmission quality of said IP operation link being measured to said upper level network element at a distance from a setting cycle;
Said switch decision device is used for when the transmission quality of judging said IP operation link according to the measurement result of receiving can not satisfy preset requiring; Specifically comprise: said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring; Wherein, P is a positive integer.
10. system as claimed in claim 9 is characterized in that:
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used for judging in said P group parameter whether have the above parameter of N group not satisfy first condition, if think that then the transmission quality of said IP operation link does not satisfy preset requirement;
Wherein, N is the positive integer smaller or equal to P; Said first condition refers to: for each group parameter, wherein the value of partial parameters is smaller or equal to the corresponding threshold value of the parameter of respective classes; Perhaps said first condition refers to: for each group parameter, wherein the value of whole parameters is all smaller or equal to the corresponding threshold value of the parameter of respective classes.
11. system as claimed in claim 9 is characterized in that:
Said switch decision device is used for organizing parameter at the P that carries according to P measurement result receiving, when the transmission quality of judging said IP operation link can not satisfy preset requiring, specifically comprises:
Said switch decision device is used in said P group parameter; Parameter to part or all of classification is carried out mean value computation respectively according to classification; If judge part or all of average, think that then the transmission quality of said IP operation link does not satisfy preset requirement all more than or equal to the corresponding threshold value of the parameter of respective classes.
12. system as claimed in claim 7 is characterized in that:
Said measurement mechanism is used for giving upper level network element with reporting measuring result, specifically comprises:
Said measurement mechanism is used for said measurement result and wireless measurement report are together reported said upper level network element;
Said switch decision device also is used for when judging the said wireless measurement report that receives and satisfy wireless switch decision condition, triggering the sub-district switching flow to said portable terminal.
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| CN103763718A (en) * | 2013-12-31 | 2014-04-30 | 华为技术有限公司 | Base station selecting method, gateway, base stations, mobile terminal and system |
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| CN1460389A (en) * | 2000-03-31 | 2003-12-03 | 诺基亚公司 | Handover in wireless mobile-IP network |
| CN1750710A (en) * | 2004-08-27 | 2006-03-22 | 三星电子株式会社 | Handover method for next generation mobile communication system with overlapping areas |
| CN1901742A (en) * | 2006-07-21 | 2007-01-24 | 华为技术有限公司 | Channel switching method |
| CN101365169A (en) * | 2007-08-09 | 2009-02-11 | 华为技术有限公司 | Implementation method, system, media gateway and media gateway controller of routing control |
-
2011
- 2011-01-24 CN CN201110025469.7A patent/CN102612069B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460389A (en) * | 2000-03-31 | 2003-12-03 | 诺基亚公司 | Handover in wireless mobile-IP network |
| CN1750710A (en) * | 2004-08-27 | 2006-03-22 | 三星电子株式会社 | Handover method for next generation mobile communication system with overlapping areas |
| CN1901742A (en) * | 2006-07-21 | 2007-01-24 | 华为技术有限公司 | Channel switching method |
| CN101365169A (en) * | 2007-08-09 | 2009-02-11 | 华为技术有限公司 | Implementation method, system, media gateway and media gateway controller of routing control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763718A (en) * | 2013-12-31 | 2014-04-30 | 华为技术有限公司 | Base station selecting method, gateway, base stations, mobile terminal and system |
| CN103763718B (en) * | 2013-12-31 | 2017-06-06 | 华为技术有限公司 | Select method, gateway, base station, mobile terminal and the system of base station |
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| CN102612069B (en) | 2016-02-10 |
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