CN104717704B - A kind of self-optimization of switching parameter method and apparatus - Google Patents

A kind of self-optimization of switching parameter method and apparatus Download PDF

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Publication number
CN104717704B
CN104717704B CN201510152799.0A CN201510152799A CN104717704B CN 104717704 B CN104717704 B CN 104717704B CN 201510152799 A CN201510152799 A CN 201510152799A CN 104717704 B CN104717704 B CN 104717704B
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switching
parameter
handoff
optimization
terminal
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CN104717704A (en
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付永魁
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CICT Mobile Communication Technology Co Ltd
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Beijing Northern Fiberhome Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists

Abstract

The application discloses a kind of self-optimization of switching parameter method and apparatus, wherein the method includes：Determine the scope of application of measurement event parameter previously according to the configuration flow of measurement event involved by cell switching, by switched over by adjusting handoff parameter parameter optimization optimization Type division be global optimization, local optimum and terminal optimized；The switching problem root for being switched to wrong cell is summed up in the point that in advance and is divided into switching too early and switches too late；Corresponding optimization type is determined according to the abnormal type of adjacent area switching and carries out corresponding handoff parameter adjustment.The application can switch abnormal type to use varigrained optimal way according to adjacent area, due to local optimum and it is terminal optimized when the application range of handoff parameter that need to adjust be less than global optimization when the handoff parameter that need to adjust, so the coverage of adjustment handoff parameter can be reduced effectively, and then also just reduce the probability of the decline of the service performance caused by frequently adjusting the larger handoff parameter of coverage.

Description

A kind of self-optimization of switching parameter method and apparatus
Technical field
The present invention relates to the communications field, more particularly to a kind of self-optimization of switching parameter method and apparatus.
Background technology
Self-optimization of switching parameter is MRO (mobile robustness optimizes, Mobility Robustness Optimization) A part for function, self-optimization of switching parameter refer to reduce due under various scenes caused by handoff parameter is unreasonable Radio Link Failure, and the adjust automatically of the handoff parameter carried out.
In the prior art, it is mainly determined in the mode of self-optimization of switching parameter including question classification, adjusts handoff parameter, cuts Change parameter adjustment recruitment evaluation and, according to the result of parameter adjustment recruitment evaluation come determine whether apply for handoff parameter Adjustment these links.
Inventor has found that by way of self-optimization of switching parameter in the prior art, at least lacked there are following It falls into：
The probability that handoff parameter adjustment effect is deteriorated is higher, so as to affect user experience and cause the waves of Internet resources Take.
Invention content
An embodiment of the present invention provides the self-organization method and device of handoff parameter, tune during reducing self-optimization of switching parameter The probability that whole effect is deteriorated.
In the one side of invention, a kind of self-optimization of switching parameter method is provided, including step：
S11, the configuration flow previously according to measurement event involved by cell switching determine that measurement event parameter switches ginseng The optimization Type division that parameter optimization is switched over by adjusting handoff parameter is global optimization, part by several scope of application Optimization and these three terminal optimized granularities；The corresponding handoff parameter of the global optimization includes thresholding, the TTT of various measurement events Or HYS；The corresponding handoff parameter of the local optimum includes the adjustment of the CIO in the pairing relationship of cell-of-origin and adjacent area；It is described Terminal optimized corresponding handoff parameter includes the adjustment of the CIO of terminal；
S12, in advance by the abnormal producing cause of the adjacent area switching in addition to the pingpang handoff of terminal be attributed to switching too early and Switch too late；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain switching exception, the first alien frequencies Adjacent area switching is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
The scene switched too early includes：Be reconstructed into a short time after successful switch to transition cell non-cell-of-origin and Wrong cell is switched to caused by the Target cell of non-transition cell；The scene switched too late includes：In transition cell Interior generation Radio Link Failure and be reconstructed into caused by the Target cell of non-source and non-transition cell and be switched to wrong cell；Institute It is the relevant switching exception in alien frequencies adjacent area caused by switching too late of A2 events to state the first alien frequencies adjacent area to switch abnormal；Described second is different Alien frequencies adjacent area switching caused by the abnormal other reasons in addition to the relevant switching too late of A2 events of frequency adjacent area switching is abnormal；
S13, the abnormal switching times of all types of adjacent area switchings are counted respectively；
S14, during MRO optimizations include：
When switching abnormal type in the adjacent area is pingpang handoff, carry out described terminal optimized；
When switching abnormal statistical result in the homogeneous-frequency adjacent-domain meets the first preset condition, the local optimum is carried out；
When the first alien frequencies adjacent area, which switches different statistical result, meets the second preset condition, it is excellent to carry out the overall situation Change；
When switching abnormal statistical result in the second alien frequencies adjacent area meets third preset condition, local optimum is carried out.
Preferably, in embodiments of the present invention, it is described it is terminal optimized including：
When the continuous pingpang handoff number of terminal reaches the first preset times, by the way that the CIO of the terminal is reduced the One default dB numbers measure re-matching to the terminal；
When the continuous pingpang handoff number of terminal reaches the second preset times, by the way that the CIO of the terminal is reduced the Two default dB numbers measure re-matching to the terminal；Second preset times are more than first preset times, and described the Two default dB numbers are more than the described first default dB numbers；
When the continuous pingpang handoff number of terminal is more than the second preset times, prompt user base station that can not solve the end The pingpang handoff problem at end.
Preferably, in embodiments of the present invention, it is described it is terminal optimized including：
Obtain current area of the terminal after pingpang handoff is currently resident duration and the terminal before pingpang handoff The original of cell is resident duration；
When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases third and presets dB numbers；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the end The CIO at end increases by the 4th default dB numbers；The 4th default dB numbers preset dB numbers less than the third；
When the currently resident duration is more than or equal to second preset duration and is less than third preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases the third and presets dB numbers；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is more than or equal to second preset duration, corresponding cell switching is performed；
When the resident duration is more than the third preset duration, corresponding cell switching is performed.
Preferably, in embodiments of the present invention, the statistical result abnormal when homogeneous-frequency adjacent-domain switching meets first During preset condition, the local optimum is carried out, including：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events CIO reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events CIO increases a step-length.
Preferably, in embodiments of the present invention, it is described to meet the when the first alien frequencies adjacent area switches different statistical result During two preset conditions, the global optimization is carried out, including：
It reaches and presets when switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, by A2 events Thresholding increases a step-length.
Preferably, in embodiments of the present invention, the statistical result abnormal when the second alien frequencies adjacent area switching meets During third preset condition, local optimum is carried out, including：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events increases a step-length.
Preferably, in embodiments of the present invention, the relevant determining method switched too late of the A2 events includes：
When the relevant switching proportion too late of A2 events>=ratio thresholding, and default A2 event thresholds are less than default A1 events During thresholding, judgement adjacent area is switched to and A2 events are relevant switches too late；
The relevant switching proportion too late of A2 events is：The relevant switching times too late of A2 events/(total time of switching too early Count+switch total degree too late).
Preferably, in embodiments of the present invention, step is further included：
S14, when switching over parameter rollback, determine to cause estate performance to decline excellent belonging to adjusted handoff parameter Change type, the handoff parameter rollback of appropriate level is carried out according to optimization type；
The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；It is described entirety rollback be All handoff parameters adjusted in the entire mobile robustness optimization MRO optimization cycles of rollback；The overall situation rollback is back All handoff parameters adjusted in the primary global optimization of rolling；Local rollback is in the rollback once local optimum All handoff parameters adjusted.
Preferably, in embodiments of the present invention, step is further included：
S15, in the punishment of table tennis adjustment for switching over parameter, determine to cause belonging to the handoff parameter that table tennis adjusts Optimize type, the handoff parameter that appropriate level is carried out according to optimization type is punished；
The rank of the handoff parameter punishment includes：Overall situation punishment and part punishment；The global punishment is primary for punishment All handoff parameters adjusted in the global optimization；Part punishment in the primary local optimum of punishment it is all into Gone adjustment handoff parameter.
In another aspect of this invention, a kind of self-optimization of switching parameter device is additionally provided, including：
Optimize granularity division unit, the configuration flow for measurement event involved by switching previously according to cell determines to measure The scope of application of event argument, that is, handoff parameter will switch over the optimization Type division of parameter optimization by adjusting handoff parameter For global optimization, local optimum and these three terminal optimized granularities；The corresponding handoff parameter of the global optimization includes various surveys Thresholding, TTT or the HYS of amount event；The corresponding handoff parameter of the local optimum is included in the pairing relationship of cell-of-origin and adjacent area CIO adjustment；The terminal optimized corresponding handoff parameter includes the adjustment of the CIO of terminal；
Switch dividing anomaly unit, in advance by the abnormal producing cause of the adjacent area switching in addition to the pingpang handoff of terminal It is attributed to switching too early and switches too late；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain are cut Transversion is often, the switching of the first alien frequencies adjacent area is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
The scene switched too early includes：Be reconstructed into a short time after successful switch to transition cell non-cell-of-origin and Wrong cell is switched to caused by the Target cell of non-transition cell；The scene switched too late includes：In transition cell Interior generation Radio Link Failure and be reconstructed into caused by the Target cell of non-source and non-transition cell and be switched to wrong cell；Institute It is the relevant switching exception in alien frequencies adjacent area caused by switching too late of A2 events to state the first alien frequencies adjacent area to switch abnormal；Described second is different Alien frequencies adjacent area switching caused by the abnormal other reasons in addition to the relevant switching too late of A2 events of frequency adjacent area switching is abnormal；
Statistic unit, for counting the switching times of all types of adjacent area switching exceptions respectively；
Optimize unit, for carrying out MRO optimizations, the optimization unit includes：
Terminal optimized module, for when switching abnormal type in the adjacent area is pingpang handoff, it is excellent to carry out the terminal Change；
First partial optimization module meets the first preset condition for working as the abnormal statistical result of the homogeneous-frequency adjacent-domain switching When, carry out the local optimum；
Global optimization module meets the second preset condition for working as the different statistical result of the first alien frequencies adjacent area switching When, carry out the global optimization；
Second local optimization module, the statistical result for working as the second alien frequencies adjacent area switching exception meet third and preset During condition, local optimum is carried out.
Preferably, in embodiments of the present invention, the terminal optimized module, which includes measuring, re-matches component and prompting component；
The re-matching component that measures is used for：
When the continuous pingpang handoff number of terminal reaches the first preset times, by the way that the CIO of the terminal is reduced the One default dB numbers measure re-matching to the terminal；
When the continuous pingpang handoff number of terminal reaches the second preset times, by the way that the CIO of the terminal is reduced the Two default dB numbers measure re-matching to the terminal；Second preset times are more than first preset times, and described the Two default dB numbers are more than the described first default dB numbers；
The prompting component is used for：
When the continuous pingpang handoff number of terminal is more than the second preset times, prompt user base station that can not solve the end The pingpang handoff problem at end.
Preferably, in embodiments of the present invention, the terminal optimized module includes resident duration securing component and table tennis is adjusted Whole group part；
The resident duration securing component is used to obtain the currently resident duration of current area of the terminal after pingpang handoff Duration is resident with the original of cell of the terminal before pingpang handoff；
The table tennis adjustment component is used for：
When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases third and presets dB numbers；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the end The CIO at end increases by the 4th default dB numbers；The 4th default dB numbers preset dB numbers less than the third；
When the currently resident duration is more than or equal to second preset duration and is less than third preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases the third and presets dB numbers；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is more than or equal to second preset duration, corresponding cell switching is performed；
When the resident duration is more than the third preset duration, corresponding cell switching is performed.
Preferably, in embodiments of the present invention, the First partial optimization module includes the first parameter adaptation component；It is described First parameter adaptation component is used for：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events CIO reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events CIO increases a step-length.
Preferably, in embodiments of the present invention, the global optimization module includes the second parameter adaptation component；Described second Parameter adaptation component is used for：
It reaches and presets when switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, by A2 events Thresholding increases a step-length.
Preferably, in embodiments of the present invention, the described second local optimization module includes third parameter adaptation component；It is described Third parameter adaptation component is used for：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events increases a step-length.
Preferably, in embodiments of the present invention, the switching dividing anomaly unit includes switching judging unit too late；
The unit of switching judging too late is used for：
When the relevant switching proportion too late of A2 events>=ratio thresholding, and default A2 event thresholds are less than default A1 events During thresholding, judgement adjacent area is switched to and A2 events are relevant switches too late；
The relevant switching proportion too late of A2 events is：The relevant switching times too late of A2 events/(total time of switching too early Count+switch total degree too late).
Preferably, in embodiments of the present invention, rollback control unit is further included；
The rollback control unit is used for when switching over parameter rollback, determines to cause what estate performance decline was adjusted Optimization type belonging to handoff parameter carries out the handoff parameter rollback of appropriate level according to optimization type；
The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；It is described entirety rollback be All handoff parameters adjusted in the entire mobile robustness optimization MRO optimization cycles of rollback；The overall situation rollback is back All handoff parameters adjusted in the primary global optimization of rolling；Local rollback is in the rollback once local optimum All handoff parameters adjusted.
Preferably, in embodiments of the present invention, handoff parameter punishment unit is further included：
The handoff parameter punishment unit is used to, in the punishment of table tennis adjustment for switching over parameter, determine to cause to rattle Optimization type belonging to the handoff parameter of adjustment, the handoff parameter that appropriate level is carried out according to optimization type are punished；
The rank of the handoff parameter punishment includes：Overall situation punishment and part punishment；The global punishment is primary for punishment All handoff parameters adjusted in the global optimization；Part punishment in the primary local optimum of punishment it is all into Gone adjustment handoff parameter.
It is learnt by above-mentioned, the embodiment of the present invention by will switch over the optimization Type division of parameter optimization as the overall situation in advance Optimization, local optimum and these three terminal optimized optimization granularities, and this handoff scenario of wrong cell will be switched to according to not The origin cause of formation of same handoff error is divided into switching too early and switches too early, so as to which the handoff scenario for making adjacent area switching abnormal only includes There are pingpang handoff, too early switching and switch these three too early, then, determined according to the type that the adjacent area switching divided in advance is abnormal Corresponding optimization type simultaneously carries out corresponding handoff parameter adjustment；In embodiments of the present invention, can be switched according to adjacent area abnormal Type use different optimal ways, due to local optimum and it is terminal optimized when the application range of handoff parameter that need to adjust The handoff parameter that need to be adjusted when being less than global optimization, so by can effectively reduce adjustment for the division for optimizing type The coverage of handoff parameter, and then also just reduce the clothes caused by frequently adjusting the larger handoff parameter of coverage The probability of business hydraulic performance decline.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments described in application, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the step schematic diagram of self-optimization of switching parameter method described herein；
Fig. 2 is the flow diagram of self-optimization of switching parameter method described herein；
Fig. 3 is the another flow diagram of self-optimization of switching parameter method described herein；
Fig. 4 is the structure diagram of self-optimization of switching parameter device described herein.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only this Invention part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist All other embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present invention.
In order to reduce the probability that the service performance caused by adjusting handoff parameter declines, the embodiment of the present invention provides A kind of self-optimization of switching parameter method, as shown in Figure 1, including step：
S11, first the configuration flow of measurement event according to involved by switching cell determines measurement event parameter i.e. handoff parameter The scope of application, it is excellent for global optimization, part that the optimization Type division of parameter optimization will be switched over by adjusting handoff parameter Change and these three terminal optimized granularities；The corresponding handoff parameter of global optimization includes thresholding, TTT or the HYS of various measurement events； The corresponding handoff parameter of local optimum includes the adjustment of the CIO in the pairing relationship of cell-of-origin and adjacent area；It is terminal optimized corresponding Handoff parameter includes the adjustment of the CIO of terminal；
There are many involved measurement event includes when cell switches, such as A2 events, A3 events, A4 events or A5 events, Measurement event parameter involved by its configuration flow of different measurement events is also different, different in this application measurement things Part parameter is referred to as handoff parameter；Its range being applicable in of different handoff parameters is also different, for example, some switchings Parameter can influence the overall situation, and some handoff parameters can influence the pairing relationship of serving cell and adjacent area, and some handoff parameters only understand shadow The CIO of terminal.
In embodiments of the present invention, optimization type is classified by the difference of the range influenced according to handoff parameter It divides, specifically, according to the difference of the scope of application of handoff parameter, the adjustment for influencing global handoff parameter is divided to the overall situation Optimization, the adjustment of thresholding of the corresponding handoff parameter of global optimization including various measurement events, TTT and HYS；It is small service will to be directed to The handoff parameter that the pairing relationship of area and adjacent area optimizes is divided to local optimum, can specifically include A3 events, A4 things The adjustment of part or the CIO in A5 events；It is terminal optimized by being divided to for the adjustment of the CIO of terminal.
By above-mentioned division, it can so that more there is specific aim when switching over parameter optimization, so as to effectively reduce For the adjustment number of the larger handoff parameter of coverage, since the adjustment of the larger handoff parameter of coverage may be led The service performance of cause declines, so reducing the adjustment number for the larger handoff parameter of coverage, also will effectively drop The low service performance caused by the adjustment of handoff parameter declines.
S12, in advance by the abnormal producing cause of the adjacent area switching in addition to the pingpang handoff of terminal be attributed to switching too early and Switch too late；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain switching exception, the first alien frequencies adjacent area Switching is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
The scene switched too early includes：Non- cell-of-origin and non-mistake are reconstructed into after successful switch to transition cell in a short time It crosses caused by the Target cell of cell and is switched to wrong cell；The scene switched too late includes：Nothing occurs in transition cell Wired link is switched to wrong cell caused by being unsuccessfully reconstructed into the Target cell of non-source and non-transition cell；First alien frequencies is adjacent Switching exception in area's switches abnormal for the relevant alien frequencies adjacent area caused by switching too late of A2 events；The switching of second alien frequencies adjacent area is abnormal to be Alien frequencies adjacent area switching caused by other reasons in addition to the relevant switching too late of A2 events is abnormal；
In embodiments of the present invention, the division of mode unlike the prior art has also been carried out to handoff scenario, specifically, Handoff scenario is determined whether other than pingpang handoff, too early switching and switching too late in addition to using mode of the prior art, also Further division is carried out to being switched to this handoff scenario of wrong cell, according to will be except the adjacent area in addition to the pingpang handoff of terminal The difference for the reason of switching is abnormal will be switched to wrong cell and be divided to switching too early and switch too late, specifically：
Since the Crack cause for being switched to wrong cell specifically includes：It is weighed in a short time after successful switch to transition cell It is built to caused by the Target cell of non-cell-of-origin and non-transition cell and is switched to wrong cell, substantive reason may be considered that It is to have carried out being switched to wrong cell caused by premature switching, it is possible to be divided into switching too early；And due to Radio Link Failure occurs in transition cell and is reconstructed into caused by the Target cell of non-source and non-transition cell and is switched to mistake Accidentally cell, then be considered caused by switching too late, it is possible to be divided into switching too late.
Due in this application, being divided by switching abnormal producing cause according to adjacent area, so as to basis The different origins for being switched to wrong cell carry out the adjustment of corresponding handoff parameter, it is possible to effectively improve handoff parameter Effect of optimization.
In embodiments of the present invention, type also abnormal to adjacent area switching in advance is divided, so that after The adjustment of continuous handoff parameter is more targeted, and then improves effect of optimization；Adjacent area is switched in the embodiment of the present invention different Normal Type division also introduces event correlation, for example, by judging whether adjacent area switching exception is relevant by A2 events Caused by switching too late, to determine to switch over the adjustment of parameter using corresponding optimization type, that is, the embodiment of the present invention passes through The practical measurement mechanism of mobile communications network is combined, judges that adjacent area switches abnormal cause from control process is measured, so that it is determined that Suitable optimization type, so as to more have specific aim and practicability.
S13, the abnormal switching times of all types of adjacent area switchings are counted respectively；
After the abnormal type of adjacent area switching is determined, time by counting all types of adjacent area switching exceptions respectively is needed Number is used as determining parameter during subsequent MRO optimizations, that is, according to the switching times that adjacent area switching is abnormal, comes it is determined that excellent The parameter of change and take what kind of optimal way.
In practical applications, when switching too late relevant to A2 events is made and counted, it is determined whether be A2 event phases The switching too late closed can be to judge by whether meeting the following conditions：
When base station also do not have enough time re-match UE measure or UE measure re-match failure and, cell-of-origin at least one conjunction Method, available alien frequencies adjacent area, that is, do not come also and UE is configured to carry out A3/A4/A5 nearby region measurements at this time.When meeting above-mentioned item During part, it can both determine that adjacent area switching exception was that A2 events are relevant and switches too late.
In S14, the embodiment of the present invention, when carrying out MRO optimizations, determined according to the abnormal type of adjacent area switching corresponding excellent Changing type and carrying out the concrete mode of corresponding handoff parameter adjustment can include：
When switching abnormal type in adjacent area is pingpang handoff, carry out terminal optimized；In practical applications, it is excellent to carry out terminal The mode of change can be in a manner that the use of selectivity be following two：
The first：
When the continuous pingpang handoff number of terminal reaches the first preset times, it is pre- that the CIO of the terminal is reduced first If dB numbers, re-matching is measured to the terminal, specifically the first default dB numbers can be set as 1dB；.
When the continuous pingpang handoff number of terminal reaches the second preset times, it is pre- that the CIO of the terminal is reduced second If dB numbers, the terminal is measured and re-matches the second preset times more than the first preset times, for example, can be pre- by second If number is set as the first preset times+2, the second default dB numbers are set as 2dB；
When the continuous pingpang handoff number of terminal is more than the second preset times thresholding, at this point it is possible to corresponding by generating Prompt message, to prompt user base station that can not solve the problems, such as the pingpang handoff of terminal.
Second：
Obtain current area of the terminal after pingpang handoff is currently resident duration and the terminal before pingpang handoff The original of cell is resident duration；
When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases third and presets dB numbers, specifically, third can be preset to dB numbers is set as 2dB；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the end The CIO at end increases by the 4th default dB numbers, specifically, can the 4th default dB numbers be set as 1dB；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased Third is added to preset dB numbers；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is more than or equal to second preset duration, corresponding cell switching is performed；
When the resident duration is more than the third preset duration, corresponding cell switching is performed.
When switching abnormal statistical result in homogeneous-frequency adjacent-domain meets the first preset condition, local optimum is carried out, it specifically can be with Including：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events CIO reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events CIO increases a step-length.
When switching abnormal statistical result in the first alien frequencies adjacent area meets the second preset condition, global optimization is carried out, The global optimization can be specifically, when switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, by The thresholding of A2 events increases a step-length.
When the second alien frequencies adjacent area, which switches different statistical result, meets third preset condition, it is excellent to carry out the part Change；The local optimum can be specifically：
When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events reduces by a step-length；
When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events, A4 CIO in event or A5 events increases a step-length.
Further, in embodiments of the present invention, determine whether adjacent area switching exception is that A2 events are relevant and switches too late, Concrete mode can include：
When the relevant switching proportion too late of A2 events>=ratio thresholding, and default A2 event thresholds are less than default A1 events During thresholding, judgement adjacent area is switched to and A2 events are relevant switches too late；
The relevant switching proportion too late of A2 events is：The relevant switching times too late of A2 events/(total time of switching too early Count+switch total degree too late).
Further, in embodiments of the present invention, the step of switching over parameter rollback can also be included, specifically：
S15, when switching over parameter rollback, determine to cause estate performance to decline excellent belonging to adjusted handoff parameter Change type, the handoff parameter rollback of appropriate level is carried out according to optimization type；
The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；It is described entirety rollback be All handoff parameters adjusted in the entire MRO optimization cycles of rollback；The overall situation rollback is the rollback once overall situation All handoff parameters adjusted in optimization；Local rollback is adjusted to be all in the rollback once local optimum Handoff parameter.
By foregoing description it is known that in embodiments of the present invention, the rollback rank of parameter is also divided, from And when leading to hydraulic performance decline due to carrying out cutting parameter optimization, when needing to switch over the rollback of parameter, the switching of rollback can be made The range of parameter more has specific aim, the reason of so as to be more prone to determine to lead to hydraulic performance decline, avoid multiple nothing Imitate the optimization of handoff parameter.
In embodiments of the present invention, the handoff parameter rollback specifically refers to, when due to carrying out cutting causing property of parameter optimization When can decline, last handoff parameter adjustment is cancelled, before handoff parameter is made to be restored to the adjustment of this handoff parameter State, specifically, in embodiments of the present invention, the self-optimization of switching parameter method for including handoff parameter rollback step can be as Shown in Fig. 2, specifically：
It first has to carry out sample statistics to the cell switching times in a MRO period, when cell switching times are more than in advance If during number, it is believed that sample is enough, and otherwise the cell switching times in the epicycle MRO periods add up small to next MRO periods Area's switching times, when the cell switching times in the MRO periods to predetermined number are still unsatisfactory for the enough preset numbers of sample, It resets statistics number and counts again.
When sample is enough, need to calculate current cell performance of handoffs, at this time：
When cell performance of handoffs degradation and process handoff parameter optimization, illustrate last parameter optimization at this time Effect is bad, needs the handoff parameter optimization that revocation is last, that is, switch over parameter rollback；Switching over parameter rollback Before operation, first have to determine that estate performance is caused to decline the optimization type belonging to adjusted handoff parameter, then according to excellent Change the handoff parameter rollback that type carries out appropriate level.
When cell performance of handoffs is not good enough, need according to mode recorded in step S14 in the present embodiment, to determine Optimal way, and carry out the handoff parameter optimization of appropriate level.
Further, in embodiments of the present invention, the punishment for the table tennis adjustment for switching over parameter can also be included Step can specifically include：
S16, switch over parameter when, determine to cause the optimization type belonging to the handoff parameter that table tennis adjusts, according to Optimize the handoff parameter punishment that type carries out appropriate level；
The rank of the handoff parameter punishment includes：Overall situation punishment and part punishment；The global punishment is primary for punishment All handoff parameters adjusted in the global optimization；Part punishment in the primary local optimum of punishment it is all into Gone adjustment handoff parameter.
In this application, the handoff parameter punishment of described table tennis adjustment refers to, when within certain period (that is, table tennis Adjustment handoff parameter punishment the period) table tennis adjustment number reach preset times when, will carry out the table tennis adjustment switching ginseng The operation of number optimization stops preset duration, avoids the invalid adjustment of excessive number；In embodiments of the present invention, include and cut into The self-optimization of switching parameter method of row handoff parameter punishment can be as shown in Figure 3；With the principle of handoff parameter rollback in the application Similar, the embodiment of the present invention is by dividing the rank that handoff parameter is punished, so as to what is adjusted for leading to table tennis Reason it is determining more accurate.
In the another side of the embodiment of the present invention, a kind of self-optimization of switching parameter device is additionally provided, as shown in figure 4, including：
Optimize granularity division unit 01, the configuration flow for measurement event involved by switching previously according to cell determines to survey The scope of application of event argument, that is, handoff parameter is measured, the optimization type that parameter optimization is switched over by adjusting handoff parameter is drawn It is divided into global optimization, local optimum and these three terminal optimized granularities；The corresponding handoff parameter of the global optimization includes various Thresholding, TTT or the HYS of measurement event；The corresponding handoff parameter of the local optimum includes the pairing relationship of cell-of-origin and adjacent area In CIO adjustment；The terminal optimized corresponding handoff parameter includes the adjustment of the CIO of terminal；
Switch dividing anomaly unit 02, in advance that the abnormal generation of the adjacent area switching in addition to the pingpang handoff of terminal is former Because being attributed to switching too early and switching too late；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain Switching is abnormal, the switching of the first alien frequencies adjacent area is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
The scene switched too early includes：Be reconstructed into a short time after successful switch to transition cell non-cell-of-origin and Wrong cell is switched to caused by the Target cell of non-transition cell；The scene switched too late includes：In transition cell Interior generation Radio Link Failure and be reconstructed into caused by the Target cell of non-source and non-transition cell and be switched to wrong cell；Institute It is the relevant switching exception in alien frequencies adjacent area caused by switching too late of A2 events to state the first alien frequencies adjacent area to switch abnormal；Described second is different Alien frequencies adjacent area switching caused by the abnormal other reasons in addition to the relevant switching too late of A2 events of frequency adjacent area switching is abnormal；
Statistic unit 03, for counting the switching times of all types of adjacent area switching exceptions respectively；
Optimize unit 04, for carrying out MRO optimizations, the optimization unit 04 includes：
Terminal optimized module 41, for when switching abnormal type in the adjacent area is pingpang handoff, carrying out the terminal Optimization；
First partial optimization module 42 meets the first default item for working as the abnormal statistical result of the homogeneous-frequency adjacent-domain switching During part, the local optimum is carried out；
Global optimization module 43 meets the second preset condition for working as the different statistical result of the first alien frequencies adjacent area switching When, carry out the global optimization；
Second local optimization module 44, it is pre- that the statistical result for working as the second alien frequencies adjacent area switching exception meets third If during condition, carry out local optimum.
In embodiments of the present invention, the difference of range that optimization granularity division unit 01 is influenced according to handoff parameter, will Optimization type has carried out classification and has divided, specifically, according to the difference of the scope of application of handoff parameter, will influence global switching and joins Several adjustment is divided to global optimization, and the corresponding handoff parameter of global optimization includes thresholding, TTT and the HYS of various measurement events Adjustment；The handoff parameter optimized for the pairing relationship of serving cell and adjacent area is divided to local optimum, specifically It can include the adjustment of A3 events, A4 events or the CIO in A5 events；It is excellent by terminal is divided to for the adjustment of the CIO of terminal Change.
By above-mentioned division, it can so that more there is specific aim when switching over parameter optimization, so as to effectively reduce For the adjustment number of the larger handoff parameter of coverage, since the adjustment of the larger handoff parameter of coverage may be led The service performance of cause declines, so reducing the adjustment number for the larger handoff parameter of coverage, also will effectively drop The low service performance caused by the adjustment of handoff parameter declines.
Then, in embodiments of the present invention, also handoff scenario has been carried out by switching dividing anomaly unit 02 with it is existing The division of technology different modes and switching abnormal type in adjacent area is divided；
Specifically, determining handoff scenario whether for pingpang handoff, too early cut in addition to using mode of the prior art It changes and switching too late is outer, also carried out further division to being switched to this handoff scenario of wrong cell, according to terminal will be removed Pingpang handoff outside adjacent area switching it is abnormal the reason of difference, wrong cell will be switched to and be divided to switching too early and cut too late It changes, specifically：
Since the Crack cause for being switched to wrong cell specifically includes：It is weighed in a short time after successful switch to transition cell It is built to caused by the Target cell of non-cell-of-origin and non-transition cell and is switched to wrong cell, substantive reason may be considered that It is to have carried out being switched to wrong cell caused by premature switching, it is possible to be divided into switching too early；And due to Radio Link Failure occurs in transition cell and is reconstructed into caused by the Target cell of non-source and non-transition cell and is switched to mistake Accidentally cell, then be considered caused by switching too late, it is possible to be divided into switching too late.
Due in this application, being divided by switching abnormal producing cause according to adjacent area, so as to basis The different origins for being switched to wrong cell carry out the adjustment of corresponding handoff parameter, it is possible to effectively improve handoff parameter Effect of optimization.
In embodiments of the present invention, the type also abnormal to adjacent area switching in advance of switching dividing anomaly unit 02 has carried out stroke Point, so that the adjustment of subsequent handoff parameter is more targeted, and then improve effect of optimization；The embodiment of the present invention In event correlation is also introduced for the abnormal Type division of adjacent area switching, for example, by judge adjacent area switching it is abnormal whether It is as caused by the relevant switching too late of A2 events, to determine to switch over the adjustment of parameter using corresponding optimization type, that is, The embodiment of the present invention is by combining the practical measurement mechanism of mobile communications network, and from control process is measured, to judge that adjacent area switches different Normal reason, so that it is determined that suitably optimizing type, so as to more have specific aim and practicability.
After the abnormal type of adjacent area switching is determined, needs to count all types of adjacent areas respectively by statistic unit 03 and cut The normal number of transversion is used as determining parameter during subsequent MRO optimizations, that is, according to the switching times that adjacent area switching is abnormal, comes It is determined that optimization parameter and take what kind of optimal way.
In practical applications, when switching too late relevant to A2 events is made and counted, it is determined whether be A2 event phases The switching too late closed can be to judge by whether meeting the following conditions：
When base station also do not have enough time re-match UE measure or UE measure re-match failure and, cell-of-origin at least one conjunction Method, available alien frequencies adjacent area, that is, do not come also and UE is configured to carry out A3/A4/A5 nearby region measurements at this time.When meeting above-mentioned item During part, it can both determine that adjacent area switching exception was that A2 events are relevant and switches too late.
When carrying out MRO optimizations, optimization unit 04 can switch abnormal type according to adjacent area and determine corresponding optimization class Type simultaneously carries out corresponding handoff parameter adjustment, and optimization unit 04 can specifically include：Terminal optimized module 41, First partial optimization The local optimization module 44 of module 42, global optimization module 43 and second, optimizes each module specific working mode packet in unit 04 It includes：
Terminal optimized module 41, for when switching abnormal type in the adjacent area is pingpang handoff, carrying out the terminal Optimization；Specific can re-match component and prompting component by included measure of terminal optimized module 41 and realize, wherein,
The re-matching component that measures is used for：When the continuous pingpang handoff number of terminal reaches the first preset times, pass through The CIO of the terminal is reduced by the first default dB numbers, re-matching is measured to the terminal；When the continuous pingpang handoff of terminal When number reaches the second preset times, weight is measured to the terminal by the way that the CIO of the terminal is reduced the second default dB numbers Match；Second preset times are more than first preset times, and the second default dB numbers are more than the described first default dB numbers；
The prompting component is used for：When the continuous pingpang handoff number of terminal is more than the second preset times, user is prompted Base station can not solve the problems, such as the pingpang handoff of the terminal.
Specifically, measuring the working method of re-matching component can be：
When the continuous pingpang handoff number of terminal reaches the first preset times, it is pre- that the CIO of the terminal is reduced first If dB numbers, re-matching is measured to the terminal, specifically the first default dB numbers can be set as 1dB；.
When the continuous pingpang handoff number of terminal reaches the second preset times, it is pre- that the CIO of the terminal is reduced second If dB numbers, the terminal is measured and re-matches the second preset times more than the first preset times, for example, can be pre- by second If number is set as the first preset times+2, the second default dB numbers are set as 2dB；
When the continuous pingpang handoff number of terminal is more than the second preset times thresholding, at this point it is possible to by prompting component Corresponding prompt message is generated, prompting user base station that can not solve the problems, such as the pingpang handoff of terminal.
In embodiments of the present invention, terminal optimized module 41 can also include resident duration securing component and table tennis adjustment group Part, wherein：
Resident duration securing component is used to obtain currently resident duration and the institute of current area of the terminal after pingpang handoff The original for stating cell of the terminal before pingpang handoff is resident duration；
Table tennis adjustment component is used for：
When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases third and presets dB numbers；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the end The CIO at end increases by the 4th default dB numbers；The 4th default dB numbers preset dB numbers less than the third；
When the currently resident duration is more than or equal to second preset duration and is less than third preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases the third and presets dB numbers；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is more than or equal to second preset duration, corresponding cell switching is performed；
When the resident duration is more than the third preset duration, corresponding cell switching is performed.
Specifically, current area of the terminal according to acquired in resident duration securing component after pingpang handoff is current The original of the resident cell of duration and the terminal before pingpang handoff is resident duration, and table tennis adjustment component is made according to different situations Corresponding adjustment or operation, specifically：
When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is less than second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases third and presets dB numbers, specifically, third can be preset to dB numbers is set as 2dB；
When the currently resident duration is more than or equal to first preset duration and is less than the second preset duration, and the original When resident duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the end The CIO at end increases by the 4th default dB numbers, specifically, can the 4th default dB numbers be set as 1dB；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased Third is added to preset dB numbers；
When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is more than or equal to second preset duration, corresponding cell switching is performed；
When the resident duration is more than the third preset duration, corresponding cell switching is performed.
First partial optimization module 42 meets the first default item for working as the abnormal statistical result of the homogeneous-frequency adjacent-domain switching During part, the local optimum is carried out.Specifically, First partial optimization module can include the first parameter adaptation component, the first ginseng Number adjustment component is used for when too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 things The CIO of part reduces by a step-length；When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, The CIO of A3 events is increased into a step-length.
Global optimization module 43 meets the second default item for working as the abnormal statistical result of the first alien frequencies adjacent area switching Global optimization is carried out during part；Global optimization can be held by the second parameter adaptation component in global optimization module 43 Row, the second parameter adaptation component are used for when switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, will The thresholding of A2 events increases a step-length.
Second local optimization module is used to preset item when switching different statistical result in the second alien frequencies adjacent area meets third During part, the local optimum is carried out；The local optimum can be joined by the third in the second local optimization module 44 Number adjusts component to perform, and third parameter adaptation component is used for when too early switching times/handoff procedure exception RLF sums>First During default exception RLF thresholdings, the CIO in A3 events, A4 events or A5 events is reduced by a step-length；When switching times too late/ Handoff procedure exception RLF sums>During the second default exception RLF thresholdings, the CIO in A3 events, A4 events or A5 events is increased One step-length.
Further, in embodiments of the present invention, the switching dividing anomaly unit 02 can also include switching too late sentencing Disconnected unit 21；
The effect of switching judging unit 21 can include too late：When the relevant switching proportion too late of A2 events>=ratio door Limit, and when default A2 event thresholds are less than default A1 event thresholds, judgement adjacent area are switched to and A2 events are relevant switches too late； The wherein relevant switching proportion too late of A2 events can be：The relevant switching times too late of A2 events/(too early switch total degree+ Switch total degree too late).
Further, in embodiments of the present invention, rollback control unit 05, the rollback control unit can also be included 05 is used for when switching over parameter rollback, determines that estate performance is caused to decline the optimization class belonging to adjusted handoff parameter Type carries out the handoff parameter rollback of appropriate level according to optimization type；
The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；It is described entirety rollback be All handoff parameters adjusted in the entire mobile robustness optimization MRO optimization cycles of rollback；The overall situation rollback is back All handoff parameters adjusted in the primary global optimization of rolling；Local rollback is in the rollback once local optimum All handoff parameters adjusted.
By foregoing description it is known that in embodiments of the present invention, by the way that the rollback rank of parameter is also divided, So as to which when leading to hydraulic performance decline due to carrying out cutting parameter optimization, when needing to switch over the rollback of parameter, cutting for rollback can be made Changing the range of parameter more has specific aim, the reason of so as to be more prone to determine to lead to hydraulic performance decline, avoids multiple The optimization of invalid handoff parameter
Further, in embodiments of the present invention, the punishment for the table tennis adjustment for switching over parameter can also be included Handoff parameter punishes unit 06, and handoff parameter punishment unit 06 is used in the punishment of table tennis adjustment for switching over parameter, really Surely the optimization type belonging to the handoff parameter of table tennis adjustment is caused, the handoff parameter that appropriate level is carried out according to optimization type is punished It penalizes；
The rank of the handoff parameter punishment includes：Whole punishment, global punishment and part punishment；The entirety, which is punished, is Punish all handoff parameters adjusted in entire MRO optimization cycles；The global punishment is the primary overall situation of punishment All handoff parameters adjusted in optimization；Part punishment is adjusted to be all in the primary local optimum of punishment Handoff parameter.
Similar with the principle of handoff parameter rollback in the application, the embodiment of the present invention passes through the rank punished handoff parameter It is divided, so as to for leading to the determining more accurate of the reason of adjusting of rattling.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.The device provided for embodiment For, since it is corresponding with the method that embodiment provides, so description is fairly simple, related part is said referring to method part It is bright.
Above description to the embodiment provided, enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principle provided in this article and features of novelty phase one The most wide range caused.

Claims (18)

  1. A kind of 1. self-optimization of switching parameter method, which is characterized in that including step：
    S11, the configuration flow previously according to measurement event involved by cell switching determine the i.e. handoff parameter of measurement event parameter It is excellent for global optimization, part will to switch over the optimization Type division of parameter self-optimizing by adjusting handoff parameter for the scope of application Change and these three terminal optimized granularities；The corresponding handoff parameter of the global optimization include the thresholdings of various measurement events, TTT or HYS；The corresponding handoff parameter of the local optimum includes the adjustment of the CIO in the pairing relationship of cell-of-origin and adjacent area；The end End optimizes the adjustment that corresponding handoff parameter includes the CIO of terminal；
    S12, the abnormal producing cause of the adjacent area switching in addition to the pingpang handoff of terminal is attributed to switching too early and too late in advance Switching；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain switching exception, the first alien frequencies adjacent area Switching is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
    The scene switched too early includes：Non- cell-of-origin and non-mistake are reconstructed into after successful switch to transition cell in a short time It crosses caused by the Target cell of cell and is switched to wrong cell；The scene switched too late includes：It is sent out in transition cell Raw Radio Link Failure and be reconstructed into caused by the Target cell of non-source and non-transition cell and be switched to wrong cell；Described Switching exception in one alien frequencies adjacent area switches abnormal for the relevant alien frequencies adjacent area caused by switching too late of A2 events；Second alien frequencies is adjacent Alien frequencies adjacent area switching caused by the abnormal other reasons in addition to the relevant switching too late of A2 events of area's switching is abnormal；
    S13, the abnormal switching times of all types of adjacent area switchings are counted respectively；
    S14, during MRO optimizations include：
    When switching abnormal type in the adjacent area is pingpang handoff, carry out described terminal optimized；
    When switching abnormal statistical result in the homogeneous-frequency adjacent-domain meets the first preset condition, the local optimum is carried out；
    When the first alien frequencies adjacent area, which switches different statistical result, meets the second preset condition, the global optimization is carried out；
    When switching abnormal statistical result in the second alien frequencies adjacent area meets third preset condition, local optimum is carried out；
    First preset condition, specifically includes：Too early switching times/handoff procedure exception RLF sums>First is default abnormal RLF thresholdings and, switching times/handoff procedure exception RLF sum too late>Second default exception RLF thresholdings；
    Second preset condition, specifically includes：The abnormal switching times of the first alien frequencies adjacent area switching reach pre-determined threshold；
    The third preset condition, specifically includes：Too early switching times/handoff procedure exception RLF sums>First is default abnormal RLF thresholdings and, switching times/handoff procedure exception RLF sum too late>Second default exception RLF thresholdings.
  2. 2. self-optimization of switching parameter method according to claim 1, which is characterized in that it is described it is terminal optimized including：
    It is pre- by the way that the CIO of the terminal is reduced first when the continuous pingpang handoff number of terminal reaches the first preset times If dB numbers measure re-matching to the terminal；
    It is pre- by the way that the CIO of the terminal is reduced second when the continuous pingpang handoff number of terminal reaches the second preset times If dB numbers measure re-matching to the terminal；Second preset times are more than first preset times, and described second is pre- If dB numbers are more than the described first default dB numbers；
    When the continuous pingpang handoff number of terminal is more than the second preset times, prompt user base station that can not solve the terminal Pingpang handoff problem.
  3. 3. self-optimization of switching parameter method according to claim 1, which is characterized in that it is described it is terminal optimized including：
    Obtain the currently resident cell of duration and the terminal before pingpang handoff of current area of the terminal after pingpang handoff Original be resident duration；
    When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
    When the currently resident duration is more than or equal to first preset duration and less than the second preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased Third is added to preset dB numbers；
    When the currently resident duration is more than or equal to first preset duration and less than the second preset duration, and the original is resident When duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases by the 4th default dB numbers；The 4th default dB numbers preset dB numbers less than the third；
    When the currently resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased The third is added to preset dB numbers；
    When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident duration During more than or equal to second preset duration, corresponding cell switching is performed；
    When the resident duration is more than the third preset duration, corresponding cell switching is performed.
  4. 4. self-optimization of switching parameter method according to claim 1, which is characterized in that described when the homogeneous-frequency adjacent-domain switches When abnormal statistical result meets the first preset condition, the local optimum is carried out, including：
    When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, the CIO of A3 events is subtracted A few step-length；
    When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, the CIO of A3 events is increased Add a step-length.
  5. 5. self-optimization of switching parameter method according to claim 1, which is characterized in that described to work as the first alien frequencies adjacent area When switching different statistical result and meeting the second preset condition, the global optimization is carried out, including：
    When switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, the thresholding of A2 events is increased by one Step-length.
  6. 6. self-optimization of switching parameter method according to claim 1, which is characterized in that described to work as the second alien frequencies adjacent area When the abnormal statistical result of switching meets third preset condition, local optimum is carried out, including：
    When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events, A4 events Or the CIO in A5 events reduces by a step-length；
    When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events, A4 events Or the CIO in A5 events increases a step-length.
  7. 7. self-optimization of switching parameter method according to claim 1, which is characterized in that the A2 events are relevant to cut too late The determining method changed includes：
    When the relevant switching proportion too late of A2 events>=ratio thresholding, and default A2 event thresholds are less than default A1 event thresholds When, judgement adjacent area is switched to and A2 events are relevant switches too late；
    The relevant switching proportion too late of A2 events is：The relevant switching times too late of A2 events/(too early switch total degree+ Switch total degree too late).
  8. 8. self-optimization of switching parameter method according to claim 1, which is characterized in that further include step：
    S14, when switching over parameter rollback, determine to cause estate performance to decline the optimization class belonging to adjusted handoff parameter Type carries out the handoff parameter rollback of appropriate level according to optimization type；
    The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；The entirety rollback is rollback All handoff parameters adjusted in entire mobile robustness optimization MRO optimization cycles；The overall situation rollback is rollback one All handoff parameters adjusted in the secondary global optimization；Local rollback is owns in the rollback once local optimum The handoff parameter adjusted.
  9. 9. self-optimization of switching parameter method according to claim 1, which is characterized in that further include step：
    S15, in the punishment of table tennis adjustment for switching over parameter, determine to cause the optimization belonging to the handoff parameter that table tennis adjusts Type, the handoff parameter that appropriate level is carried out according to optimization type are punished；
    The rank of the handoff parameter punishment includes：Overall situation punishment and part punishment；The global punishment is primary described for punishment All handoff parameters adjusted in global optimization；Part punishment is carried out to be all in the primary local optimum of punishment The handoff parameter of adjustment.
  10. 10. a kind of self-optimization of switching parameter device, which is characterized in that including：
    Optimize granularity division unit, the configuration flow for measurement event involved by switching previously according to cell determines measurement event The optimization Type division that MRO optimizations are carried out by adjusting handoff parameter is global excellent by the scope of application of parameter, that is, handoff parameter Change, local optimum and these three terminal optimized granularities；The corresponding handoff parameter of the global optimization includes various measurement events Thresholding, TTT or HYS；The corresponding handoff parameter of the local optimum includes the tune of the CIO in the pairing relationship of cell-of-origin and adjacent area It is whole；The terminal optimized corresponding handoff parameter includes the adjustment of the CIO of terminal；
    Switch dividing anomaly unit, in advance summing up the abnormal producing cause of the adjacent area switching in addition to the pingpang handoff of terminal To switch too early and switching too late；And it is by the abnormal Type division of adjacent area switching：Pingpang handoff, homogeneous-frequency adjacent-domain switching are different Often, the switching of the first alien frequencies adjacent area is abnormal and the switching of the second alien frequencies adjacent area is abnormal；
    The scene switched too early includes：Non- cell-of-origin and non-mistake are reconstructed into after successful switch to transition cell in a short time It crosses caused by the Target cell of cell and is switched to wrong cell；The scene switched too late includes：It is sent out in transition cell Raw Radio Link Failure and be reconstructed into caused by the Target cell of non-source and non-transition cell and be switched to wrong cell；Described Switching exception in one alien frequencies adjacent area switches abnormal for the relevant alien frequencies adjacent area caused by switching too late of A2 events；Second alien frequencies Alien frequencies adjacent area switching caused by the abnormal other reasons in addition to the relevant switching too late of A2 events of adjacent area switching is abnormal；
    Statistic unit, for counting the switching times of all types of adjacent area switching exceptions respectively；
    Optimize unit, for carrying out MRO optimizations, the optimization unit includes：
    Terminal optimized module, for when switching abnormal type in the adjacent area is pingpang handoff, carrying out described terminal optimized；
    First partial optimization module, when the statistical result for switching exception when the homogeneous-frequency adjacent-domain meets the first preset condition, Carry out the local optimum；
    Global optimization module, for when the first alien frequencies adjacent area switches different statistical result and meets the second preset condition, into The row global optimization；
    Second local optimization module meets third preset condition for working as the abnormal statistical result of the second alien frequencies adjacent area switching When, carry out local optimum；
    First preset condition, specifically includes：Too early switching times/handoff procedure exception RLF sums>First is default abnormal RLF thresholdings and, switching times/handoff procedure exception RLF sum too late>Second default exception RLF thresholdings；
    Second preset condition, specifically includes：The abnormal switching times of the first alien frequencies adjacent area switching reach pre-determined threshold；
    The third preset condition, specifically includes：Too early switching times/handoff procedure exception RLF sums>First is default abnormal RLF thresholdings and, switching times/handoff procedure exception RLF sum too late>Second default exception RLF thresholdings.
  11. 11. self-optimization of switching parameter device according to claim 10, which is characterized in that the terminal optimized module includes It measures and re-matches component and prompting component；
    The re-matching component that measures is used for：
    It is pre- by the way that the CIO of the terminal is reduced first when the continuous pingpang handoff number of terminal reaches the first preset times If dB numbers measure re-matching to the terminal；
    It is pre- by the way that the CIO of the terminal is reduced second when the continuous pingpang handoff number of terminal reaches the second preset times If dB numbers measure re-matching to the terminal；Second preset times are more than first preset times, and described second is pre- If dB numbers are more than the described first default dB numbers；
    The prompting component is used for：
    When the continuous pingpang handoff number of terminal is more than the second preset times, prompt user base station that can not solve the terminal Pingpang handoff problem.
  12. 12. self-optimization of switching parameter device according to claim 10, which is characterized in that the terminal optimized module includes Resident duration securing component and table tennis adjustment component；
    The resident duration securing component is used to obtain currently resident duration and the institute of current area of the terminal after pingpang handoff The original for stating cell of the terminal before pingpang handoff is resident duration；
    The table tennis adjustment component is used for：
    When the currently resident duration is less than the first preset duration, refuse subsequent cell switching；
    When the currently resident duration is more than or equal to first preset duration and less than the second preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased Third is added to preset dB numbers；
    When the currently resident duration is more than or equal to first preset duration and less than the second preset duration, and the original is resident When duration is more than or equal to second preset duration, the terminal is switched back into last persistent district, and by the terminal CIO increases by the 4th default dB numbers；The 4th default dB numbers preset dB numbers less than the third；
    When the currently resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident When duration is less than second preset duration, the terminal is switched back into last persistent district, and the CIO of the terminal is increased The third is added to preset dB numbers；
    When the resident duration is more than or equal to second preset duration and less than third preset duration, and the original is resident duration During more than or equal to second preset duration, corresponding cell switching is performed；
    When the resident duration is more than the third preset duration, corresponding cell switching is performed.
  13. 13. self-optimization of switching parameter device according to claim 10, which is characterized in that the First partial optimization module Including the first parameter adaptation component；First parameter adaptation component is used for：
    When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, the CIO of A3 events is subtracted A few step-length；
    When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, the CIO of A3 events is increased Add a step-length.
  14. 14. self-optimization of switching parameter device according to claim 10, which is characterized in that the global optimization module includes Second parameter adaptation component；Second parameter adaptation component is used for：
    When switching abnormal switching times in the first alien frequencies adjacent area reach pre-determined threshold, the thresholding of A2 events is increased by one Step-length.
  15. 15. self-optimization of switching parameter device according to claim 10, which is characterized in that the described second local optimization module Including third parameter adaptation component；The third parameter adaptation component is used for：
    When too early switching times/handoff procedure exception RLF sums>During the first default exception RLF thresholdings, by A3 events, A4 events Or the CIO in A5 events reduces by a step-length；
    When too late, switching times/handoff procedure exception RLF is total>During the second default exception RLF thresholdings, by A3 events, A4 events Or the CIO in A5 events increases a step-length.
  16. 16. self-optimization of switching parameter device according to claim 10, which is characterized in that the switching dividing anomaly unit Including switching judging unit too late；
    The unit of switching judging too late is used for：
    When the relevant switching proportion too late of A2 events>=ratio thresholding, and default A2 event thresholds are less than default A1 event thresholds When, judgement adjacent area is switched to and A2 events are relevant switches too late；
    The relevant switching proportion too late of A2 events is：The relevant switching times too late of A2 events/(too early switch total degree+ Switch total degree too late).
  17. 17. self-optimization of switching parameter device according to claim 10, which is characterized in that further include rollback control unit；
    The rollback control unit is used for when switching over parameter rollback, determines that estate performance is caused to decline adjusted switching Optimization type belonging to parameter carries out the handoff parameter rollback of appropriate level according to optimization type；
    The rank of the handoff parameter rollback includes：Whole rollback, global rollback and local rollback；The entirety rollback is rollback All handoff parameters adjusted in entire mobile robustness optimization MRO optimization cycles；The overall situation rollback is rollback one All handoff parameters adjusted in the secondary global optimization；Local rollback is owns in the rollback once local optimum The handoff parameter adjusted.
  18. 18. self-optimization of switching parameter device according to claim 10, which is characterized in that it is single to further include handoff parameter punishment Member：
    The handoff parameter punishment unit is used to, in the punishment of table tennis adjustment for switching over parameter, determine that table tennis is caused to adjust Handoff parameter belonging to optimization type, according to optimization type carry out appropriate level handoff parameter punish；
    The rank of the handoff parameter punishment includes：Overall situation punishment and part punishment；The global punishment is primary described for punishment All handoff parameters adjusted in global optimization；Part punishment is carried out to be all in the primary local optimum of punishment The handoff parameter of adjustment.
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CN109151919B (en) * 2017-06-13 2021-03-05 中国移动通信集团设计院有限公司 Switching parameter optimization method and device
CN109600806B (en) * 2018-12-25 2021-04-20 深圳市万普拉斯科技有限公司 Network switching method and device, computer equipment and storage medium
CN110505664B (en) * 2019-07-22 2022-03-08 维沃移动通信有限公司 Parameter adjusting method, device, terminal and storage medium
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