CN102026269B - Optimization method for measuring reporting triggering time parameter and device thereof - Google Patents
Optimization method for measuring reporting triggering time parameter and device thereof Download PDFInfo
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Abstract
The present invention provides an optimization method for measuring reporting triggering time parameter and a device thereof, wherein the method comprises the following steps: receiving an even measuring result by eNB, wherein the event measuring result is reported by UE; calculating a difference between the event measuring result and a value which is corresponding with an event access condition by the eNB, and counting a possibility when the difference is larger than a first threshold; and if the possibility is larger than a second threshold, reducing a measuring reporting triggering time parameter of the event. The method optimizes the TTT parameter in time, and therefore the real-time performance of parameter optimization configuration is improved. Furthermore the success rate of UE business is effectively ensured, and the service quality of the network is improved. Therefore the optimization method overcomes the following problems: inferior real-time performance, measuring event reporting error, incapability for performing in-time control by a network side, UE service abnormity and inferior service quality of network in the related technology in which manual TTT parameter optimization configured is adopted for the optimization method for measuring and reporting the TTT parameter.
Description
Technical field
The present invention relates to the communications field, report optimization method and the device of triggered time parameter in particular to a kind of measurement.
Background technology
Fig. 1 shows LTE (Long Term Evolution, Long Term Evolution) network architecture schematic diagram of network side, referring to Fig. 1, LTE network is by E-UTRAN (Evolved UniversalTerrestrial Radio Access Network, evolution Universal Terrestrial Radio Access Network) and EPC (Evolved Packet Core, evolution packet switching center) composition, network presents flattening.E-UTRAN is connected with EPC by S1 interface.Wherein, E-UTRAN, by multiple interconnective eNB (Evolved NodeB, evolution base station) composition, connects by X2 interface between each eNB; EPC is by MME (Mobility Management Entity, Mobility Management Entity) and S-GW (Serving Gateway, service gateway entity) composition.
Normally carry out in order to ensure the business of user equipment (UE) (User Equipment) in network, base station eNB need to be given each UE allocating and measuring parameter, in order to obtain the measurement result of UE to current service cell and adjacent area, to realize the correct control to UE, such as switching or channel dispatch etc.In working as in pre-test configuration of LTE protocol description, define seven kinds of measurements and reported trigger event, and be that each measurement reported event has defined corresponding entry condition and left condition.Such as the entry condition of A3 event (adjacent area is better than Serving cell) is:
Mn+Ofn+Ocn-Hys＞Ms+Ofs+Ocs+Off，
The condition of leaving is:
Mn+Ofn+Ocn+Hys＜Ms+Ofs+Ocs+Off，
Wherein Mn, Ms is respectively the measurement result of adjacent area and Serving cell; Ofn, Ofs is respectively the frequency particular offset of adjacent area and Serving cell; Ocn, Ocs is respectively the cell specific offset of adjacent area and Serving cell; Hys, Off is respectively specific sluggishness and the skew of this event.But the impact bringing to measurement in order to reduce signal jitter, network side has configured a measurement to each measurement event simultaneously and reports TTT (Time to trigger, triggered time) parameter, only meet above-mentioned conditional request in measurement result, and the words of not leaving within the TTT time just can trigger measurement event and report, therefore TTT has affected certain measurement event from entry condition to the time reporting.
If TTT arranges longly, can cause this measurement event to report and be delayed for a long time, finally may be because network side cannot be controlled UE in good time, cause the business of UE to occur extremely, thereby can affect the service quality of whole network.Such as described A3 measurement event, if TTT arranges oversize, may cause the adjacent area always cannot report network side than the measured measurement of Serving cell Service Quality, therefore UE cannot realize the switching to adjacent area, during this, the quality of Serving cell continues variation, finally may cause UE call drop.In view of the foregoing, need to carry out in good time monitoring and optimization to TTT parameter.
In correlation technique, provide a kind of measurement to report the optimization method of TTT parameter, the method is utilized SON (the Self-Organizing Network in LTE, self-organizing network) replace and utilized OAM (Operation Administration and Maintenance, operation management maintain center) carry out the conventional method of manual Optimal Parameters configuration, thus realize the function of network self-organization.
Inventor finds to measure and report the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes in correlation technique, real-time is poor, the delay that causes measurement event to report, and network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the service quality of network is poor.
Summary of the invention
The present invention aims to provide a kind of measurement and reports optimization method and the device of TTT parameter, can solve in correlation technique and measure and report the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
To achieve these goals, according to an aspect of the present invention, provide a kind of measurement to report the optimization method of triggered time parameter, comprised the following steps: evolution base station has received the affair result of user equipment to report; Evolution base station calculates the difference between affair result and event entry condition respective value, and adds up the probability that difference is greater than first threshold; If probability is greater than Second Threshold, the measurement that evolution base station reduces event reports triggered time parameter.
Preferably, in above-mentioned method, first threshold is arranged by operation management maintain center or evolution base station.
Preferably, in above-mentioned method, Second Threshold is arranged by operation management maintain center or evolution base station.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report the optimization method of triggered time parameter, comprise the following steps: if the measurement result that subscriber equipment is measured event, after meeting the entry condition of event, Radio Link Failure occurs, and not yet reporting measurement result of subscriber equipment in the time that Radio Link Failure occurs, subscriber equipment sends specific messages to evolution base station; The ratio of the specific messages of evolution base station statistical phenomeon in the specific messages receiving; If ratio is greater than the 3rd threshold value, the measurement that evolution base station reduces event reports triggered time parameter.
Preferably, in above-mentioned method, specific messages comprises type and the indication information of event, and indication information is used to indicate measures that to report triggered time parameter to arrange long.
Preferably, in above-mentioned method, specific messages comprises type and the indication information of event, and when indication information is used to indicate Radio Link Failure generation, measurement result meets the entry condition of event, and not yet reporting measurement result of subscriber equipment.
Preferably, in above-mentioned method, subscriber equipment sends specific messages to evolution base station and specifically comprises: subscriber equipment sends specific messages to evolution base station after upper once access network.
Preferably, in above-mentioned method, subscriber equipment sends specific messages to evolution base station and specifically comprises: subscriber equipment sends specific messages to evolution base station, and specific messages is existing radio resource control message.
Preferably, in above-mentioned method, subscriber equipment sends specific messages to evolution base station and specifically comprises: subscriber equipment sends new specific messages to evolution base station.
Preferably, in above-mentioned method, the 3rd threshold value is arranged by operation management maintain center or evolution base station.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report the optimization device of triggered time parameter, having comprised: receiver module, for the affair result of evolution base station reception user equipment to report; Statistical module, calculates the difference between affair result and event entry condition respective value for evolution base station, and adds up the probability that difference is greater than first threshold; Optimize module, the measurement that reduces event for evolution base station in the time that probability is greater than Second Threshold reports triggered time parameter.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report the optimization device of triggered time parameter, comprise: sending module, if there is Radio Link Failure after meeting the entry condition of event in the measurement result of event being measured for subscriber equipment, and not yet reporting measurement result of subscriber equipment in the time that Radio Link Failure occurs, subscriber equipment sends specific messages to evolution base station; Statistical module, the ratio for the specific messages of evolution base station statistical phenomeon at the specific messages receiving; Optimize module, the measurement that reduces event for evolution base station in the time that ratio is greater than the 3rd threshold value reports triggered time parameter.
Above-described embodiment is greater than the probability of first threshold by detecting the measured result of a certain event and the difference of entry condition, or the specific messages of a certain event accounts for allly to be received that the ratio in specific messages triggers and reports optimizing and revising of TTT parameter to measuring, make TTT parameter obtain optimizing more timely, therefore improved the real-time of parameter optimization configuration, and then effectively ensure the success rate of UE business, improve the service quality of network, so having overcome to measure in correlation technique reports the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the network architecture schematic diagram of LTE network side;
Fig. 2 shows according to the flow chart of the optimization method of first embodiment of the invention;
Fig. 3 shows according to the flow chart of the optimization method of second embodiment of the invention;
Fig. 4 shows according to the flow chart of the optimization method of third embodiment of the invention;
Fig. 5 shows according to the flow chart of the optimization method of fourth embodiment of the invention;
Fig. 6 shows according to the structure chart of the optimization device of fifth embodiment of the invention;
Fig. 7 shows according to the structure chart of the optimization device of sixth embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 2 shows according to the flow chart of the optimization method of first embodiment of the invention, and the method comprises the following steps:
Step 201, eNB receives the affair result that UE reports;
Step 202, eNB calculates the difference between affair result and event entry condition respective value, and adds up the probability that difference is greater than first threshold;
Step 203, if probability is greater than Second Threshold, the measurement that eNB reduces event reports TTT parameter.
ENB in the present embodiment is receiving after the affair result that UE reports, the entry condition of this measurement result and this event is compared, if the difference between its respective value is greater than first threshold, think that this time measuring corresponding TTT parameter arranges long, and then the occurrence probability that difference is greater than first threshold is added up, in the time that probability is greater than Second Threshold, think that the TTT of this event arranges long, so time the eNB measurement that reduces this event report TTT parameter.The probability that is greater than first threshold by monitoring difference due to the present embodiment triggers and reports optimizing and revising of TTT parameter to measuring, make TTT parameter obtain optimizing more timely, therefore improved the real-time of parameter optimization configuration, and then effectively ensure the success rate of UE business, improve the service quality of network, so having overcome to measure in correlation technique reports the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
Preferably, in above-mentioned method, first threshold is configured by OAM or eNB arranges voluntarily.Do like this, OAM or eNB can be adjusted first threshold flexibly according to concrete application scenarios, thereby be conducive to improve the real-time of TTT parameter configuration.
Preferably, in above-mentioned method, Second Threshold is arranged by OAM or eNB.Do like this, OAM or eNB can be adjusted Second Threshold flexibly according to concrete application scenarios, thereby be conducive to improve the real-time of TTT parameter configuration.
Fig. 3 shows according to the flow chart of the optimization method of second embodiment of the invention, and the method comprises the following steps:
Step 301, the measurement that UE opens certain reported event (such as A3 event) according to the measurement configuration of eNB, and according to the measurement report condition reporting measurement result of this event;
Step 302, eNB calculates this according to the measurement reported result of UE and measures reported result and the difference of measuring the corresponding measured value of entry condition, if difference is greater than first threshold (this threshold value is configured by OAM or eNB oneself arranges), think that the corresponding TTT of this measurement arranges long, for instance, for A3 affair, if the measurement result of the adjacent area that UE reports and Serving cell is Mn ' and Ms ', adjacent area is than good Delta '=Mn '-Ms ' of Serving cell quality.The entry condition that corresponding this A3 measures requires adjacent area than the good Delta in Serving cell, if Delta ' has been greater than the first assign thresholds with the difference of Delta, thinks that this is measured corresponding TTT and arranges long.The judgement of the TTT of the measurement to other events is also same mode;
Step 303, eNB adds up respectively for the measurement reported result of each event type, if certain event type, the measurement of event reports the probability that above-mentioned phenomenon occurs to be greater than Second Threshold (this threshold value is configured by OAM or eNB oneself arranges), eNB thinks that the TTT configuration of this event is long, therefore reduces TTT parameter value corresponding to this event.
The present embodiment is found to measure in configuration early because TTT parameter arranges improper cause abnormal network side, thereby helps network side to optimize as early as possible amendment corresponding configuration, ensures normally carrying out and the service quality of network of UE business.
Fig. 4 shows according to the flow chart of the optimization method of third embodiment of the invention, and the method comprises the following steps:
Step 401, if there is Radio Link Failure RLF (Radio Link Failure) after meeting the entry condition of event in the measurement result that UE measures event, and not yet reporting measurement result of UE in the time that RLF occurs, UE sends specific messages to eNB;
Step 402, the ratio of the specific messages of eNB statistical phenomeon in the specific messages receiving;
Step 403, if ratio is greater than the 3rd threshold value, the measurement that eNB reduces event reports TTT parameter.
First UE in the present embodiment measures event, if meet in measurement result after the entry condition of event, and at UE to before eNB reporting measurement result, there is RLF, UE to eNB send specific messages with by above-mentioned advisory to eNB, eNB adds up all specific messages that receive, and obtains the wherein shared ratio of specific messages of certain event, and in the time that this ratio is greater than the 3rd threshold value, the measurement that reduces event reports TTT parameter.Because the present embodiment accounts for and allly receives that the ratio in specific messages triggers and report optimizing and revising of TTT parameter to measuring by monitoring the specific messages of a certain event, make TTT parameter obtain optimizing more timely, therefore improved the real-time of parameter optimization configuration, and then effectively ensure the success rate of UE business, improve the service quality of network, so having overcome to measure in correlation technique reports the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
Preferably, in above-mentioned method, specific messages comprises type and the indication information of event, and indication information is used to indicate measures that to report TTT parameter to arrange long.Do like this, make UE corresponding event type and TTT parameter to be arranged to long situation by specific messages and inform exactly eNB.
Preferably, in above-mentioned method, specific messages comprises type and the indication information of event, and when indication information is used to indicate RLF generation, measurement result meets the entry condition of event, and not yet reporting measurement result of UE.Do like this, while can being there is corresponding event type and RLF by specific messages in UE measurement result meet the entry condition of event and UE not yet the situation of reporting measurement result inform exactly eNB.
Preferably, in above-mentioned method, UE sends specific messages to eNB and specifically comprises: UE sends specific messages to eNB after upper once access network, UE to eNB send specific messages time be engraved in UE next time after access network.
Preferably, in above-mentioned method, UE sends specific messages to eNB and specifically comprises: UE sends specific messages to eNB, specific messages is existing radio resource control RRC (Radio Resource Control) protocol message, be type and the indication information that UE utilizes existing RRC protocol message notice eNB measurement event, do like this, saved Internet resources.
Preferably, in above-mentioned method, UE sends specific messages to eNB and specifically comprises: UE sends new specific messages to eNB, and UE is for new message of the special transmission of the type to eNB notice measurement event and indication information.
Preferably, in above-mentioned method, the 3rd threshold value is arranged by OAM or eNB.Do like this, OAM or eNB can be adjusted Second Threshold flexibly according to concrete application scenarios, thereby be conducive to improve the real-time of TTT parameter configuration.
Fig. 5 shows according to the flow chart of the optimization method of fourth embodiment of the invention, and the method comprises the following steps:
Step 501, UE opens certain affair (such as A3 event) according to the measurement configuration of eNB, if measuring object has met the entry condition of this affair, but there is RLF in UE before UE reports this event.To think that now TTT arranges long for UE, and UE need to notify eNB by specific messages after upper once access network, and instruction TTT arranges long.In message, comprise measurement event type and problem indication information, it is long that this information can indicate TTT to arrange, or UE before RLF, met measurement entry condition but also do not report;
Step 502, eNB is for the statistics respectively that reports of each event type;
Step 503, if the long indication information of TTT of the UE of certain event type of receiving (such as A3 event) is greater than a certain threshold value (this threshold value is configured by OAM or eNB oneself arranges), think that TTT arranges long, therefore reduce TTT parameter value corresponding to this event.
The present embodiment is found to measure in configuration early because TTT parameter arranges improper cause abnormal network side, thereby helps network side to optimize as early as possible amendment corresponding configuration, ensures normally carrying out and the service quality of network of UE business.
Fig. 6 shows according to the structure chart of the optimization device of fifth embodiment of the invention, and this device comprises:
Receiver module 601, receives for eNB the affair result that UE reports;
Statistical module 602, calculates the difference between affair result and event entry condition respective value for eNB, and adds up the probability that difference is greater than first threshold;
Optimize module 603, the measurement that reduces event for eNB in the time that probability is greater than Second Threshold reports TTT parameter.
First the eNB of the present embodiment adopts receiver module 601 to receive the affair result that UE reports, then adopt statistical module 602 that the entry condition of this measurement result and this event is compared, if the difference between its respective value is greater than first threshold, think that this time measuring corresponding TTT parameter arranges long, and then the occurrence probability that difference is greater than first threshold is added up, in the time that probability is greater than Second Threshold, think that the TTT of this event arranges long, so time eNB adopt and optimize the measurement that module 603 reduces this event and report TTT parameter.The probability that is greater than first threshold by monitoring difference due to the present embodiment triggers and reports optimizing and revising of TTT parameter to measuring, make TTT parameter obtain optimizing more timely, therefore improved the real-time of parameter optimization configuration, and then effectively ensure the success rate of UE business, improve the service quality of network, so having overcome to measure in correlation technique reports the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
Fig. 7 shows according to the structure chart of the optimization device of sixth embodiment of the invention, and this device comprises:
Sending module 701, if there is Radio Link Failure after meeting the entry condition of event in the measurement result of event being measured for UE, and in the time that Radio Link Failure occurs not yet reporting measurement result of UE, UE sends specific messages to eNB;
Statistical module 702, the ratio for the specific messages of eNB statistical phenomeon at the specific messages receiving;
Optimize module 703, the measurement that reduces event for eNB in the time that ratio is greater than the 3rd threshold value reports TTT parameter.
First the present embodiment adopts sending module 701 to meet in measurement result after the entry condition of event, and UE when there is RLF before eNB reporting measurement result to eNB send specific messages with by above-mentioned advisory to eNB, then eNB adopts statistical module 702 to add up all specific messages that receive, obtain the wherein shared ratio of specific messages of certain event, and adopting optimization module 703 in the time that this ratio is greater than the 3rd threshold value, the measurement that reduces event reports TTT parameter.Because the present embodiment accounts for and allly receives that the ratio in specific messages triggers and report optimizing and revising of TTT parameter to measuring by monitoring the specific messages of a certain event, make TTT parameter obtain optimizing more timely, therefore improved the real-time of parameter optimization configuration, and then effectively ensure the success rate of UE business, improve the service quality of network, so having overcome to measure in correlation technique reports the optimization method of TTT parameter to adopt the manual TTT parameter optimization configuration that completes, real-time is poor, the delay that causes measurement event to report, network side cannot be controlled UE in good time, thereby it is abnormal to cause UE business to occur, the poor problem of service quality of network.
As can be seen from the above description, the above embodiments of the present invention make TTT parameter obtain optimizing more timely, thus improve the real-time of parameter optimization configuration, and then effectively ensured the success rate of UE business, improve the service quality of network.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. measurement reports an optimization method for triggered time parameter, it is characterized in that, comprises the following steps:
Evolution base station receives the affair result of user equipment to report;
Described evolution base station calculates the difference between described affair result and described event entry condition respective value, and adds up the probability that described difference is greater than first threshold;
If described probability is greater than Second Threshold, the measurement that described evolution base station reduces described event reports triggered time parameter.
2. method according to claim 1, is characterized in that, described first threshold is arranged by operation management maintain center or described evolution base station.
3. method according to claim 1, is characterized in that, described Second Threshold is arranged by operation management maintain center or described evolution base station.
4. measurement reports an optimization device for triggered time parameter, it is characterized in that, comprising:
Receiver module, for the affair result of evolution base station reception user equipment to report;
Statistical module, calculates the difference between described affair result and described event entry condition respective value for described evolution base station, and adds up the probability that described difference is greater than first threshold;
Optimize module, the measurement that reduces described event for described evolution base station in the time that described probability is greater than Second Threshold reports triggered time parameter.
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| CN106304125B (en) * | 2016-08-21 | 2019-10-18 | 南京理工大学 | A kind of compound switching method under high-speed rail environment |
| CN108737142B (en) * | 2017-04-21 | 2020-11-06 | 华为技术有限公司 | Method for adjusting node detection parameters, node and mesh network |
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