CN102026269A - 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 triggered time Parameter Optimization method and device 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, the LTE network is by E-UTRAN (Evolved Universal Terrestrial Radio Access Network, the evolution Universal Terrestrial Radio Access Network) and EPC (Evolved Packet Core, the evolution packet switching center) form, network presents flattening.E-UTRAN links to each other with EPC by the S1 interface.Wherein, E-UTRAN is made up of a plurality of interconnective eNB (Evolved NodeB, evolution base station), connects by X2 interface between each eNB; EPC is made up of MME (Mobility Management Entity, Mobility Management Entity) and S-GW (Serving Gateway, service gateway entity).
Normally carry out in order to ensure the business of user equipment (UE) (User Equipment) in network, base station eNB need be given each UE allocating and measuring parameter, in order to obtain the measurement result of UE, so that realize correct control, such as switching or channel dispatch etc. to UE to current service cell and adjacent area.In the current measurement configuration of LTE protocol description, defined seven kinds of measurements and reported trigger event, and measured reported event for each and defined corresponding entry condition and left condition.Entry condition such as A3 incident (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，
Mn wherein, Ms is respectively the measurement result of adjacent area and Serving cell; Ofn, Ofs are respectively the frequency particular offset of adjacent area and Serving cell; Ocn, Ocs are respectively the cell specific offset of adjacent area and Serving cell; Hys, Off are respectively the specific sluggishness and the skew of this incident.Yet in order to reduce the influence that signal jitter brings to measurement, network side has disposed a measurement for simultaneously each measurement event and reports TTT (Time to trigger, triggered time) parameter, only satisfy above-mentioned conditional request in measurement result, and just can trigger measurement event in the words that TTT did not leave in the time and report, thus TTT influenced certain measurement event from entry condition to the time that reports.
If TTT is provided with longly, then can cause this measurement event to report and be delayed for a long time, finally may cause the business of UE to take place unusually, thereby can influence the service quality of whole network because network side can't be controlled UE in good time.Such as described A3 measurement event, if TTT is provided with oversize, then may cause the adjacent area always can't the report network side, so UE can't realize the switching to the adjacent area than the good measurement of Serving cell service quality, quality of Serving cell continues variation during this, finally may cause the UE call drop.In view of the foregoing, need carry out in good time monitoring and optimization to the TTT parameter.
Provide a kind of measurement to report TTT Parameter Optimization method in the correlation technique, this method is utilized SON (the Self-Organizing Network among the LTE, self-organizing network) replaced utilizing OAM (Operation Administration and Maintenance, the operation management maintain center) carries out the conventional method of manual parameters optimization configuration, thereby realized the function of network self-organization.
The inventor finds to measure in the correlation technique and reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, and network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the service quality of network is relatively poor.
Summary of the invention
The present invention aims to provide a kind of measurement and reports TTT Parameter Optimization method and device, can solve to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
To achieve these goals, according to an aspect of the present invention, provide a kind of measurement to report triggered time Parameter Optimization method, may further comprise the steps: evolution base station receives the affair result of user equipment to report; Evolution base station calculates the difference between affair result and the incident entry condition respective value, and the statistics difference is greater than the probability of first threshold; If probability is greater than second threshold value, then the evolution base station measurement that reduces incident reports the triggered time parameter.
Preferably, in above-mentioned method, first threshold is by operation management maintain center or evolution base station setting.
Preferably, in above-mentioned method, second threshold value is by operation management maintain center or evolution base station setting.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report triggered time Parameter Optimization method, may further comprise the steps: if subscriber equipment measurement result that incident is measured after satisfying the entry condition of incident Radio Link Failure takes place, and subscriber equipment reporting measurement result not as yet when Radio Link Failure takes place, then 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 that receives; If ratio is greater than the 3rd threshold value, then the evolution base station measurement that reduces incident reports the triggered time parameter.
Preferably, in above-mentioned method, specific messages comprises the type and the indication information of incident, and indication information is used for indication measurement, and to report the triggered time parameter to be provided with long.
Preferably, in above-mentioned method, specific messages comprises the type and the indication information of incident, and measurement result satisfied the entry condition of incident when indication information was used to indicate Radio Link Failure to take place, and subscriber equipment reporting measurement result not as yet.
Preferably, in above-mentioned method, subscriber equipment sends specific messages to evolution base station and specifically comprises: subscriber equipment is sending specific messages to evolution base station behind the access network next time.
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 by operation management maintain center or evolution base station setting.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report triggered time Parameter Optimization device, having comprised: receiver module is used for the affair result that evolution base station receives user equipment to report; Statistical module is used for the difference between evolution base station calculating affair result and the incident entry condition respective value, and the statistics difference is greater than the probability of first threshold; Optimal module is used for evolution base station and reports the triggered time parameter when the measurement that probability reduces incident during greater than second threshold value.
To achieve these goals, according to a further aspect in the invention, also provide a kind of measurement to report triggered time Parameter Optimization device, comprise: sending module, be used for if subscriber equipment measurement result that incident is measured after satisfying the entry condition of incident Radio Link Failure takes place, and subscriber equipment reporting measurement result not as yet when Radio Link Failure takes place, then subscriber equipment sends specific messages to evolution base station; Statistical module is used for the ratio of the specific messages of evolution base station statistical phenomeon at the specific messages that receives; Optimal module is used for evolution base station and reports the triggered time parameter when the measurement that ratio reduces incident during greater than the 3rd threshold value.
The foregoing description by detecting a certain incident measured result and the difference of entry condition greater than the probability of first threshold, perhaps the specific messages of a certain incident accounts for all and receives that ratio in the specific messages triggers measurement is reported the adjustment of TTT Parameter Optimization, make the TTT parameter obtain optimizing more timely, so improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network, so having overcome to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the network architecture schematic diagram of LTE network side;
Fig. 2 shows the flow chart according to the optimization method of first embodiment of the invention;
Fig. 3 shows the flow chart according to the optimization method of second embodiment of the invention;
Fig. 4 shows the flow chart according to the optimization method of third embodiment of the invention;
Fig. 5 shows the flow chart according to the optimization method of fourth embodiment of the invention;
Fig. 6 shows the structure chart according to the optimization means of fifth embodiment of the invention;
Fig. 7 shows the structure chart according to the optimization means 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 the flow chart according to the optimization method of first embodiment of the invention, and this method may further comprise the steps:
ENB in the present embodiment is after receiving the affair result that UE reports, the entry condition of this measurement result and this incident is compared, if the difference between its respective value is greater than first threshold, think that then this time measuring corresponding TTT parameter is provided with long, and then difference added up greater than the occurrence probability of first threshold, when probability during greater than second threshold value, it is long to think that then the TTT of this incident is provided with, so the time eNB measurement that reduces this incident report the TTT parameter.Because present embodiment triggers greater than the probability of first threshold by the monitoring difference measurement is reported the adjustment of TTT Parameter Optimization, make the TTT parameter obtain optimizing more timely, so improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network, so having overcome to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
Preferably, in above-mentioned method, first threshold is provided with voluntarily by OAM configuration or eNB.Do like this, make OAM or eNB to adjust flexibly first threshold, thereby help improving the real-time of TTT parameter configuration according to concrete application scenarios.
Preferably, in above-mentioned method, second threshold value is provided with by OAM or eNB.Do like this, make OAM or eNB to adjust flexibly second threshold value, thereby help improving the real-time of TTT parameter configuration according to concrete application scenarios.
Fig. 3 shows the flow chart according to the optimization method of second embodiment of the invention, and this method may further comprise the steps:
Present embodiment makes network side find early to measure in the configuration because the TTT parameter is provided with improper cause unusual, thereby helps network side to optimize the modification corresponding configuration as early as possible, and what guarantee the UE business normally carries out service quality with network.
Fig. 4 shows the flow chart according to the optimization method of third embodiment of the invention, and this method may further comprise the steps:
UE in the present embodiment at first measures incident, if after measurement result satisfies the entry condition of incident, and at UE before eNB reporting measurement result, RLF takes place, then UE to eNB send specific messages with above-mentioned advisory to eNB, eNB adds up all specific messages that receive, and obtains the wherein shared ratio of specific messages of certain incident, and in this ratio during greater than the 3rd threshold value, the measurement that reduces incident reports the TTT parameter.Because present embodiment accounts for all by the specific messages of monitoring a certain incident and receives that ratio in the specific messages triggers measurement is reported the adjustment of TTT Parameter Optimization, make the TTT parameter obtain optimizing more timely, so improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network, so having overcome to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
Preferably, in above-mentioned method, specific messages comprises the type and the indication information of incident, and indication information is used for indication measurement, and to report the TTT parameter to be provided with long.Do like this, make UE the event type of correspondence and TTT parameter to be provided with long situation and inform eNB exactly by specific messages.
Preferably, in above-mentioned method, specific messages comprises the type and the indication information of incident, and measurement result satisfied the entry condition of incident when indication information was used to indicate RLF to take place, and UE reporting measurement result not as yet.Do like this, make measurement result when UE can the event type of correspondence and RLF take place by specific messages satisfy the entry condition of incident and UE as yet not reporting measurement result's situation inform eNB exactly.
Preferably, in above-mentioned method, UE sends specific messages to eNB and specifically comprises: UE is sending specific messages to eNB behind the access network next time, promptly UE to eNB send specific messages the time be engraved in UE next time behind the 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 promptly UE is for type and new message of the special transmission of indication information to eNB notice measurement event.
Preferably, in above-mentioned method, the 3rd threshold value is provided with by OAM or eNB.Do like this, make OAM or eNB to adjust flexibly second threshold value, thereby help improving the real-time of TTT parameter configuration according to concrete application scenarios.
Fig. 5 shows the flow chart according to the optimization method of fourth embodiment of the invention, and this method may further comprise the steps:
Present embodiment makes network side find early to measure in the configuration because the TTT parameter is provided with improper cause unusual, thereby helps network side to optimize the modification corresponding configuration as early as possible, and what guarantee the UE business normally carries out service quality with network.
Fig. 6 shows the structure chart according to the optimization means of fifth embodiment of the invention, and this device comprises:
The eNB of present embodiment at first adopts receiver module 601 to receive the affair result that UE reports, adopt statistical module 602 that the entry condition of this measurement result and this incident is compared then, if the difference between its respective value is greater than first threshold, think that then this time measuring corresponding TTT parameter is provided with long, and then difference added up greater than the occurrence probability of first threshold, when probability during greater than second threshold value, it is long to think that then the TTT of this incident is provided with, so the time eNB measurement of adopting optimal module 603 to reduce this incident report the TTT parameter.Because present embodiment triggers greater than the probability of first threshold by the monitoring difference measurement is reported the adjustment of TTT Parameter Optimization, make the TTT parameter obtain optimizing more timely, so improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network, so having overcome to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
Fig. 7 shows the structure chart according to the optimization means of sixth embodiment of the invention, and this device comprises:
Sending module 701 is used for if UE measurement result that incident is measured after satisfying the entry condition of incident Radio Link Failure takes place, and when Radio Link Failure takes place UE reporting measurement result not as yet, then UE sends specific messages to eNB;
After present embodiment at first adopts sending module 701 to satisfy the entry condition of incident in measurement result, and when RLF took place in UE before eNB reporting measurement result to eNB send specific messages with above-mentioned advisory to eNB, eNB all specific messages of adopting 702 pairs of statistical modules to receive are added up then, obtain the wherein shared ratio of specific messages of certain incident, and adopt optimal module 703 in this ratio during greater than the 3rd threshold value, the measurement that reduces incident reports the TTT parameter.Because present embodiment accounts for all by the specific messages of monitoring a certain incident and receives that ratio in the specific messages triggers measurement is reported the adjustment of TTT Parameter Optimization, make the TTT parameter obtain optimizing more timely, so improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network, so having overcome to measure in the correlation technique reports TTT Parameter Optimization method to adopt the manual TTT parameter optimization configuration of finishing, real-time is relatively poor, the delay that causes measurement event to report, network side can't be controlled UE in good time, thereby cause the professional appearance of UE unusual, the problem that the service quality of network is relatively poor.
As can be seen from the above description, the above embodiments of the present invention make the TTT parameter obtain optimizing more timely, thus improved the real-time of parameter optimization configuration, and then effectively guaranteed the success rate of UE business, improved the service quality of network.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a measurement reports triggered time Parameter Optimization method, it is characterized in that, may further comprise the 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 the described incident entry condition respective value, and adds up the probability of described difference greater than first threshold;
If described probability is greater than second threshold value, the measurement that then described evolution base station reduces described incident reports the triggered time parameter.
2. method according to claim 1 is characterized in that, described first threshold is by operation management maintain center or described evolution base station setting.
3. method according to claim 1 is characterized in that, described second threshold value is by operation management maintain center or described evolution base station setting.
4. a measurement reports triggered time Parameter Optimization method, it is characterized in that, may further comprise the steps:
If Radio Link Failure takes place after satisfying the entry condition of described incident in subscriber equipment measurement result that incident is measured, and described subscriber equipment does not report described measurement result as yet when described Radio Link Failure takes place, and then described subscriber equipment sends specific messages to evolution base station;
Described evolution base station is added up the ratio of specific messages in the specific messages that receives of described incident;
If described ratio is greater than the 3rd threshold value, the measurement that then described evolution base station reduces described incident reports the triggered time parameter.
5. method according to claim 4 is characterized in that, described specific messages comprises the type and the indication information of described incident, and it is long that described indication information is used to indicate described measurement to report the triggered time parameter to be provided with.
6. method according to claim 4, it is characterized in that, described specific messages comprises the type and the indication information of described incident, described measurement result satisfied the entry condition of described incident when described indication information was used to indicate described Radio Link Failure to take place, and described subscriber equipment does not report described measurement result as yet.
7. method according to claim 4 is characterized in that, described subscriber equipment sends specific messages to evolution base station and specifically comprises:
Described subscriber equipment is sending described specific messages to described evolution base station behind the access network next time.
8. method according to claim 4 is characterized in that, described subscriber equipment sends specific messages to evolution base station and specifically comprises:
Described subscriber equipment sends described specific messages to described evolution base station, and described specific messages is existing radio resource control message.
9. method according to claim 4 is characterized in that, described subscriber equipment sends specific messages to evolution base station and specifically comprises:
Described subscriber equipment sends new specific messages to described evolution base station.
10. method according to claim 4 is characterized in that, described the 3rd threshold value is by operation management maintain center or described evolution base station setting.
11. a measurement reports triggered time Parameter Optimization device, it is characterized in that, comprising:
Receiver module is used for the affair result that evolution base station receives user equipment to report;
Statistical module is used for described evolution base station and calculates difference between described affair result and the described incident entry condition respective value, and adds up the probability of described difference greater than first threshold;
Optimal module is used for described evolution base station and reports the triggered time parameter when the measurement that described probability reduces described incident during greater than second threshold value.
12. a measurement reports triggered time Parameter Optimization device, it is characterized in that, comprising:
Sending module, be used for if subscriber equipment measurement result that incident is measured after satisfying the entry condition of described incident Radio Link Failure takes place, and described subscriber equipment does not report described measurement result as yet when described Radio Link Failure takes place, and then described subscriber equipment sends specific messages to evolution base station;
Statistical module is used for described evolution base station and adds up the ratio of the specific messages of described incident at the specific messages that receives;
Optimal module is used for described evolution base station and reports the triggered time parameter when the measurement that described ratio reduces described incident during greater than the 3rd threshold value.
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