CN103079225B - Minimum road test processing method and device - Google Patents
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Abstract
The invention discloses a kind of minimum road test processing method and device, wherein method comprises: base station obtains the translational speed of UE; Mate the measuring period corresponding with described translational speed; Minimum road test process is carried out according to described measuring period.Adjust measuring period according to speed in the present invention program, improve the precision of the MDT measurement result of high-speed mobile UE, what decrease the MDT measurement result of the UE of low speed movement reports number of times, has saved network overhead.
Description
Technical Field
The present invention relates to communications technologies, and in particular, to a method and an apparatus for processing minimization of drive tests.
Background
With the development of the drive test technology, operators also put higher requirements on the drive test precision. The introduction of the Minimization of Drive Tests (MDT) technology realizes a network self-optimization mechanism and reduces manual participation.
In MDT, the accuracy of location information is crucial, related wireless measurement information needs to correspond to location information accurately, and in the measurement process, the accuracy of location information is affected by the moving speed of UE, but in the prior art, the adopted measurement periods are all fixed time lengths, so that for high-speed UE, for example, UE on high-speed rail, the fixed measurement period makes the measurement result inaccurate, and for low-speed UE, the fixed measurement period makes unnecessary reporting too frequent, resulting in a certain network overhead.
Disclosure of Invention
The invention provides a method and a device for processing Minimization of Drive Test (MDT), which aim to solve the problems that a fixed measurement period causes inaccurate measurement result for high-speed UE, and the fixed measurement period causes unnecessary report to be too frequent for low-speed UE, thereby causing certain network overhead.
The invention provides a method for processing minimization of drive tests, which comprises the following steps:
acquiring the moving speed of the UE;
matching a measurement period corresponding to the moving speed;
and performing minimization of drive test processing according to the measurement period.
The invention provides a minimization of drive tests processing apparatus, comprising:
an obtaining module, configured to obtain a moving speed of the UE;
the matching module is used for matching the measuring period corresponding to the moving speed;
and the processing module is used for carrying out minimization of drive test processing according to the measurement period.
According to the method and the device for processing the minimization of drive tests, the base station can match the corresponding measurement period according to the moving speed of the UE, so that a short measurement period can be matched for the UE moving at a high speed, and a long measurement period can be matched for the UE moving at a low speed, the accuracy of the MDT measurement result of the UE moving at a high speed can be improved, the reporting times of the MDT measurement result of the UE moving at a low speed can be reduced, and the network overhead can be saved.
Drawings
FIG. 1 is a flowchart of a first embodiment of a MDT processing method according to the present invention;
FIG. 2 is a flowchart of a second embodiment of a MDT processing method of the present invention;
FIG. 3 is a flowchart of a third embodiment of a MDT processing method of the present invention;
FIG. 4 is a schematic structural diagram of a MDT processing apparatus according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second minimization of drive tests processing apparatus according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a flowchart of a first embodiment of a minimization of drive test processing method according to the present invention, and as shown in fig. 1, the method of this embodiment may include:
step 101: acquiring the moving speed of the UE;
there are many methods for acquiring the UE speed by the base station in the prior art, which are not in the scope of the present invention and will not be described in detail herein.
Step 102: matching a measurement period corresponding to the moving speed;
in this embodiment, the base station may match a measurement period corresponding to the UE according to the moving speed of the UE.
Specifically, since the UE location information with a higher moving speed changes faster and the UE location information with a lower moving speed changes slower, in order to improve the accuracy of the location information of the UE with a higher moving speed and reduce signaling overhead, the measurement period matched by the base station is smaller for the UE with a higher moving speed, and the measurement period matched by the base station is larger for the UE with a lower moving speed. In a specific implementation, a speed threshold may be preset, and the base station may determine which UEs are UEs with a higher moving speed and which UEs are UEs with a lower moving speed through threshold judgment.
In addition, the base station may store a list of correspondence between the moving speed and the measurement period in advance, and determine, by list search, that the measurement period corresponding to the moving speed is matched for the UE.
Step 103: and performing minimization of drive test processing according to the measurement period.
The base station may periodically perform MDT measurement on the UE according to the measurement period obtained by matching.
The MDT measurement method in this embodiment may adopt a measurement method in the prior art, and this embodiment is not described in detail.
In this embodiment, the base station may match the corresponding measurement period according to the moving speed of the UE, so as to match a shorter measurement period for the UE moving at a high speed and a longer measurement period for the UE moving at a low speed, thereby improving the accuracy of the MDT measurement result of the UE moving at a high speed, reducing the number of times of reporting the MDT measurement result of the UE moving at a low speed, and saving overhead.
Fig. 2 is a flowchart of a second embodiment of the minimization of drive test processing method according to the present invention, and as shown in fig. 2, the method of this embodiment may include:
step 201: a base station acquires the moving speed of UE;
step 202: the base station judges whether the moving speed is smaller than a first threshold or larger than a second threshold, if so, the process is ended, otherwise, step 203 is executed;
specifically, the base station may determine whether the UE is suitable for MDT measurement using step 202.
For this purpose, the present embodiment may set a first threshold V1 and a second threshold V2, where the first threshold V1 is smaller than a preset threshold, and the second threshold V2 is greater than a preset threshold, which is a threshold used for determining whether the UE is a high-speed UE or a low-speed UE.
If the moving speed of the UE is smaller than the first threshold, the moving speed of the UE is too low, and the UE is not suitable for MDT measurement; if the moving speed of the UE is larger than the second threshold, the moving speed of the UE is over high, and the UE is not suitable for MDT measurement. That is, only UEs whose moving speed is between the first threshold and the second threshold are suitable for MDT measurement.
It should be noted that, a person skilled in the art may set the first threshold and the second threshold in this step as needed, as long as it is ensured that the first threshold is smaller than the preset threshold, and the second threshold is larger than the preset threshold.
Step 203: the base station determines whether the moving speed of the UE is higher than a preset threshold or lower than the preset threshold, if so, performs step 204, and if not, performs step 205.
Step 204: the base station matches the first measurement period corresponding to the moving speed and executes step 206;
step 205: the base station matches the second measurement period corresponding to the moving speed and executes step 206;
the first measurement period is shorter than the second measurement period, that is, the measurement period is short for the UE with a high moving speed, and the measurement period is long for the UE with a low moving speed.
Step 206: and the base station transmits the matched measurement period to the UE.
Step 207: and the base station regularly acquires network quality measurement information according to the measurement period and receives the position information reported by the UE according to the measurement period.
In this embodiment, the base station measures the network quality and the UE reports the location information.
Specifically, the base station may measure and obtain network quality measurement information according to the measurement period of the UE, where the network quality measurement information may be, for example, throughput, data amount, or any measurement result information capable of characterizing network quality. For the UE, the UE may report current location information to the base station periodically according to the measurement period received by the UE from the base station.
Step 208: and the base station associates the position information reported by the UE with the network quality measurement information.
In a specific implementation, the location information reported by the UE may include a timestamp, and therefore, the base station may associate the location information of the UE with the network quality measurement information measured by the base station according to the timestamp.
Step 209: the base station monitors the state change of the moving speed of the UE, judges whether to stop measuring the UE, if so, the process is ended, otherwise, the step 210 is executed;
specifically, the base station may monitor a state change of the moving speed of the UE periodically, or may monitor a state change of the moving speed of the UE in real time. The specific steps of judging whether to stop measuring the UE are as follows: and the base station judges whether the monitored current moving speed of the UE is smaller than a first threshold or larger than a second threshold, if so, the UE stops, and if not, the UE does not stop.
Step 210: the base station judges whether the measurement period needs to be matched again, if so, the step 203 is returned, otherwise, the step 207 is continuously executed;
the step of judging whether the measurement period needs to be matched again specifically includes: the base station determines whether the current moving speed of the UE is consistent with the current measurement period, and if not, the base station needs to adjust, for example, the current measurement period is the second measurement period, and if the current moving speed of the UE is higher than the preset threshold, the current moving speed of the UE is inconsistent with the preset threshold, and the measurement period needs to be adjusted.
When it is determined in step 210 that the measurement period needs to be re-matched, a scheme for adjusting the current measurement period may also be adopted, for example, the measurement period is increased or decreased based on the current measurement period, and the procedure returns to step 206 after the adjustment.
In the embodiment, the UE with the moving speed exceeding the measurement range is excluded, so that the object to be measured can be simplified, and the MDT measurement is more targeted; for the UE in the measuring range, different measuring periods are matched according to the moving speed, and the measuring period is adjusted or matched again according to the change of the moving speed in the measuring process, so that the accuracy of the MDT measuring result of the UE moving at a high speed can be improved, the reporting times of the MDT measuring result of the UE moving at a low speed are reduced, and the expenditure can be saved.
Fig. 3 is a flowchart of a third embodiment of the minimization of drive test processing method according to the present invention, and as shown in fig. 3, the method of this embodiment may include:
step 301: a base station acquires the moving speed of UE;
step 302: the base station judges whether the moving speed is smaller than a first threshold or larger than a second threshold, if so, the process is ended, otherwise, step 303 is executed;
specifically, the base station may determine whether the UE is suitable for MDT measurement using step 302.
For this purpose, the present embodiment may set a first threshold V1 and a second threshold V2, where the first threshold V1 is smaller than a preset threshold, and the second threshold V2 is greater than a preset threshold, which is a threshold used for determining whether the UE is a high-speed UE or a low-speed UE.
If the moving speed of the UE is smaller than the first threshold, the moving speed of the UE is too low, and the UE is not suitable for MDT measurement; if the moving speed of the UE is larger than the second threshold, the moving speed of the UE is over high, and the UE is not suitable for MDT measurement. That is, only UEs whose moving speed is between the first threshold and the second threshold are suitable for MDT measurement.
It should be noted that, a person skilled in the art may set the first threshold and the second threshold in this step as needed, as long as it is ensured that the first threshold is smaller than the preset threshold, and the second threshold is larger than the preset threshold.
Step 303: the base station determines whether the moving speed of the UE is higher than a predetermined threshold or lower than the predetermined threshold, if so, performs step 304, and if not, performs step 305.
Step 304: the base station matches the first measurement period corresponding to the moving speed and executes step 306;
step 305: the base station matches the second measurement period corresponding to the moving speed and executes step 306;
the first measurement period is shorter than the second measurement period, that is, the measurement period is short for the UE with a high moving speed, and the measurement period is long for the UE with a low moving speed.
Step 306: the base station periodically measures and acquires network quality measurement information according to the measurement period, periodically and synchronously acquires the position information of the UE, and associates the network quality measurement information and the position information acquired in the same period;
step 307: the base station monitors the state change of the moving speed of the UE, judges whether to stop measuring the UE, if so, the process is ended, otherwise, the step 308 is executed;
in this embodiment, the specific step of determining whether to stop measuring the UE is: judging whether the current moving speed of the UE is smaller than a first threshold or larger than a second threshold, if so, stopping, and if not, not stopping;
step 308: the base station judges whether the measurement period needs to be adjusted, if so, the measurement period is adjusted, and step 306 is continuously executed after the adjustment; otherwise, execution continues at step 306.
The specific steps of judging whether the measurement period needs to be adjusted are as follows: the base station determines whether the current moving speed of the UE is consistent with the current measurement period, and if not, the UE needs to adjust, for example, the current measurement period is the first measurement period, and if the current moving speed of the UE is lower than a preset threshold, the current moving speed of the UE is inconsistent with the first measurement period, and the measurement period needs to be adjusted.
When the measurement period needs to be adjusted, the adjustment of the measurement period specifically comprises: and matching a corresponding measurement period according to the monitored current moving speed of the UE, if the current moving speed of the UE is higher than a preset threshold value, adjusting the measurement period to be a first measurement period, and if the current moving speed of the UE is lower than the preset threshold value, adjusting the measurement period to be a second measurement period. In this embodiment, the adjusting according to the state change of the moving speed may specifically be: based on the speed variation value, an adjustment is made on the basis of the current measurement period.
In the embodiment, the UE with the moving speed exceeding the measurement range is excluded, so that the object to be measured can be simplified, and the MDT measurement is more targeted; for the UE in the measuring range, different measuring periods are matched according to the moving speed, and the measuring period is adjusted or matched again according to the change of the moving speed in the measuring process, so that the accuracy of the MDT measuring result of the UE with higher moving speed can be improved, the reporting times of the MDT measuring result of the UE with lower moving speed are reduced, and the expenditure can be saved.
Fig. 4 is a schematic structural diagram of a minimization of drive test processing apparatus according to a first embodiment of the present invention, and as shown in fig. 4, the apparatus of the present embodiment may include:
an obtaining module 11, configured to obtain a moving speed of the UE;
a matching module 12 for matching a measurement period corresponding to the moving speed;
and the processing module 13 is configured to perform minimization of drive test processing according to the measurement period.
The apparatus of this embodiment may be deployed on a base station, and the apparatus of this embodiment may be configured to execute the technical solution of the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 5 is a schematic structural diagram of a second embodiment of the minimization of drive test processing apparatus according to the present invention, as shown in fig. 5, the apparatus of this embodiment, based on the apparatus structure shown in fig. 4, further includes a matching module 12, including:
a comparing unit 121, configured to determine whether a moving speed of the UE is higher than a preset threshold or lower than the preset threshold;
a determining unit 122, configured to match a first measurement period corresponding to the moving speed if the moving speed of the UE is higher than the preset threshold; if the moving speed of the UE is lower than the preset threshold, matching a second measurement period corresponding to the moving speed; wherein the first measurement period is less than the second measurement period.
The device also comprises:
a determining module 14, configured to determine whether the moving speed is smaller than a first threshold or larger than a second threshold before matching the measurement period corresponding to the moving speed, where the first threshold is smaller than the preset threshold, and the second threshold is larger than the preset threshold;
the matching module 12 is specifically configured to match a measurement period corresponding to the moving speed if the moving speed is greater than the first threshold and less than the second threshold.
The processing module 13 is specifically configured to:
according to the measurement period, network quality measurement information is periodically acquired, and the position information of the UE is acquired through measurement; or,
and sending the measurement period to the UE, periodically acquiring network quality measurement information according to the measurement period, and receiving the position information which is measured and reported by the UE according to the measurement period.
In addition, the matching module 12 is further configured to detect a state change of the moving speed of the UE periodically or in real time after matching the measurement period corresponding to the moving speed, and re-match or adjust the measurement period according to the state change.
The apparatus of this embodiment may be deployed on a base station, and the apparatus of this embodiment may be configured to execute the technical solution of the method embodiment shown in fig. 2 or fig. 3, and the implementation principle and the technical effect are similar, and are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A minimization of drive tests processing method, characterized by comprising:
acquiring the moving speed of the UE;
if the moving speed is greater than a first threshold and less than a second threshold, matching a measurement period corresponding to the moving speed;
performing minimization of drive tests according to the measurement period;
wherein the performing minimization of drive tests according to the measurement period includes: sending the measurement period to the UE, periodically acquiring network quality measurement information according to the measurement period, and receiving position information measured and reported by the UE according to the measurement period;
the matching of the measurement period corresponding to the moving speed includes:
judging whether the moving speed of the UE is higher than a preset threshold or lower than the preset threshold;
if the moving speed of the UE is higher than the preset threshold value, matching a first measurement period corresponding to the moving speed;
if the moving speed of the UE is lower than the preset threshold, matching a second measurement period corresponding to the moving speed;
the first measurement period is smaller than the second measurement period, the first threshold is smaller than the preset threshold, and the second threshold is larger than the preset threshold.
2. The method of claim 1, wherein said matching further comprises, after a measurement period corresponding to said moving speed:
and monitoring the state change of the moving speed of the UE regularly or in real time, and re-matching or adjusting the measurement period according to the state change.
3. A minimization of drive tests processing apparatus, comprising:
an obtaining module, configured to obtain a moving speed of the UE;
the matching module is used for matching the measurement period corresponding to the moving speed if the moving speed is greater than a first threshold and less than a second threshold;
the processing module is used for carrying out minimization of drive test processing according to the measurement period;
wherein the processing module is specifically configured to: sending the measurement period to the UE, periodically acquiring network quality measurement information according to the measurement period, and receiving position information measured and reported by the UE according to the measurement period;
the matching module comprises:
a comparison unit, configured to determine whether a moving speed of the UE is higher than a preset threshold or lower than the preset threshold;
a determining unit, configured to match a first measurement period corresponding to the moving speed if the moving speed of the UE is higher than the preset threshold; if the moving speed of the UE is lower than the preset threshold, matching a second measurement period corresponding to the moving speed; wherein the first measurement period is less than the second measurement period;
the first threshold is smaller than the preset threshold, and the second threshold is larger than the preset threshold.
4. The apparatus of claim 3, wherein the matching module is further configured to detect a state change of the moving speed of the UE periodically or in real time after matching the measurement period corresponding to the moving speed, and re-match or adjust the measurement period according to the state change.
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| CN104219695B (en) * | 2013-05-31 | 2018-04-17 | 电信科学技术研究院 | One kind minimizes drive test MDT measuring methods and device |
| CN104284416A (en) * | 2013-07-08 | 2015-01-14 | 中兴通讯股份有限公司 | Measurement information storing method, device and terminal |
| CN104581797B (en) * | 2013-10-29 | 2019-11-22 | 南京中兴软件有限责任公司 | Minimize road measuring method and device |
| CN106686618B (en) * | 2015-11-06 | 2020-07-10 | 电信科学技术研究院 | Measurement and control method and device thereof |
| CN105554864A (en) * | 2016-02-05 | 2016-05-04 | 中国移动通信集团江苏有限公司 | Method and device for reducing energy consumption of network terminal |
| CN107086938B (en) * | 2016-02-16 | 2020-07-28 | 上海大唐移动通信设备有限公司 | Drive test device and test method |
| CN110915261B (en) * | 2017-08-11 | 2022-02-18 | 华为技术有限公司 | Measurement reporting method and device |
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| KR20120092925A (en) * | 2011-02-14 | 2012-08-22 | 삼성전자주식회사 | Device and method for measuring and reporting a mdt information of mobile terminal |
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| CN101610521A (en) * | 2008-06-19 | 2009-12-23 | 中国移动通信集团公司 | A kind of method and device of measuring report cycle of adjusting |
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