CN102790996A - Method, device and system for measuring downstream wireless transmission quality - Google Patents
Method, device and system for measuring downstream wireless transmission quality Download PDFInfo
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Abstract
The invention provides a method, a device and a system for measuring downstream wireless transmission quality, relates to the field of mobile communication, and solves the problem that a mechanism for measuring the downstream wireless transmission quality under the condition that a terminal service is not influenced is lacked. The method comprises that a radio network controller (RNC) receives transmission control protocol (TCP) measuring results reported by NodeB; the RNC finds out a preset TCP-block error ratio (BLER) corresponding table and obtains a BLER value matched with the TCP measuring results according to the TCP measuring results; and the downstream wireless transmission quality is estimated according to the BLER value. The technical scheme of the method, the device and the system is applicable to voice service quality evaluation, and downstream data transmission quality detection under the condition that terminal load is not increased and service quality is not influenced is achieved.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of TD SDMA (TimeDivision Synchronization CDMA, TD-SCDMA) a kind of descending wireless transmission quality method of measurement, device and the system in the honeycomb mobile communcations system.
Background technology
Speech business is the important service of cordless communication network.The speech business quality evaluation is an important indicator of communication system quality evaluation, and it has embodied speech business quality end to end in the cordless communication network.The speech business quality can obtain through some objective evaluating instruments (like the MOS box), but this mode need be at the whole network through drawing in the net to test the voice quality that just can provide whole system, and test volume is big.Therefore the evaluation method of wireless network side has also been proposed, promptly a series of to the influential wireless parameter of voice loss (like frame loss rate, handoff factor etc.) through measuring, these parameter combinations were evaluated and tested afterwards the quality of speech business.
The evaluation method of this network side is applied in the downlink data assessment of listening the user, and its evaluation effect is better.Wherein, the quality of the descending wireless transmission of speech data from the base station to the terminal called is generally all weighed through the Block Error Rate (BLER, Block Error Ratio) of data arrives.But descending BLER reports network side after need being measured by the terminal.And other factors in addition all can be obtained by the network side statistics.Find that in existing network test BLER is measured at the terminal can cause the terminal call drop, this makes the BLER that can't open the terminal in the existing network measure, and also just can't assess the downstream data traffic quality.The FER that has lacked downlink space interface is added up, and can influence the evaluation effect of voice quality.
Therefore, need be a kind of under the situation that does not influence terminal traffic, measure the measurement mechanism of assessment downlink data transmission quality.
Summary of the invention
The invention provides a kind of descending wireless transmission quality method of measurement, device and system, solved to lack and under the situation that does not influence terminal traffic, carried out the machine-processed problem of downlink data transmission mass measurement.
A kind of descending wireless transmission quality method of measurement comprises:
Radio network controller (RNC) receives sign indicating number territory transmitting power (Transmitted Code Power, the TCP) measurement result that base station (NodeB) reports;
Said RNC searches TCP-Block Error Rate (BLER) correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result;
According to said BLER value, assess descending wireless transmission quality.
Preferably, before the step of the TCP measurement result that said RNC reception NodeB reports, also comprise:
Said RNC sends the TCP measurement control message to said NodeB, indicates said NodeB according to period measurement and report the TCP measurement result; Or,
Said RNC sends the TCP measurement control message to said NodeB, and reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
Preferably, said RNC searches the TCP-BLER correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result and comprises:
Obtain standard TCP value according to following expression formula calculating:
Standard TCP value=TCP measurement result * 16/SF/ solid size road maximum transmission power, wherein, SF is descending spread spectrum coefficient;
According to said standard TCP value, the TCP-BLER correspondence table that inquiry is preset is obtained the BLER value that is complementary with this standard TCP value.
Preferably, this method also comprises:
If in the cycle, said RNC does not receive the TCP measurement result that said NodeB reports in voice quality assessment, confirm that then the standard TCP value of said NodeB is 0.
Preferably, said according to said standard TCP value, the TCP-BLER correspondence table that inquiry is preset, obtain the BLER value that is complementary with this standard TCP value and comprise:
When in said TCP-BLER correspondence table, having said standard TCP value, obtain the corresponding BLER of this standard TCP value;
When in said TCP-BLER correspondence table, not having said standard TCP value, adopt the mode of interpolation, or adopt matching mode up or down, confirm the BLER value of said standard TCP value correspondence.
The present invention also provides a kind of descending wireless transmission quality measurement mechanism, comprising:
The collection module is used to receive the TCP measurement result that NodeB reports;
BLER value acquisition module is used for searching the TCP-BLER correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result;
Quality assessment modules is used for assessing descending wireless transmission quality according to said BLER value.
Preferably, said BLER value acquisition module comprises:
Standard TCP value computing unit is used for obtaining standard TCP value according to following expression formula calculating:
Standard TCP value=TCP measurement result * 16/SF/ solid size road maximum transmission power, wherein, SF is descending spread spectrum coefficient;
Lookup unit is used for according to said standard TCP value, and the TCP-BLER correspondence table that inquiry is preset is obtained the BLER value that is complementary with this standard TCP value.
Preferably, this device also comprises:
Measure indicating module, be used for sending the TCP measurement control message, indicate said NodeB according to period measurement and report the TCP measurement result to said NodeB; Or,
Send the TCP measurement control message to said NodeB, reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
The present invention also provides a kind of descending wireless transmission quality measuring system, comprises the NodeB of RNC and this RNC control;
Said RNC is used to receive the TCP measurement result that NodeB reports, and according to said TCP measurement result, searches the TCP-BLER correspondence table that presets, and obtains the BLER value that is complementary with said TCP measurement result, according to said BLER value, assesses descending wireless transmission quality.
Preferably; Said RNC also is used for sending the TCP measurement control message to said NodeB, indicates said NodeB according to period measurement and report the TCP measurement result; Or; Send the TCP measurement control message to said NodeB, reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report;
Said NodeB; Be used to receive the TCP measurement control message that said RNC sends; And according to the indication of said TCP measurement control message; NodeB is according to period measurement and report the TCP measurement result or the TCP measurement result that measures reporting measurement event report when satisfying the event report criterion, in said measurement event report, carries the TCP measurement result.
The invention provides a kind of descending wireless transmission quality method of measurement, device and system; RNC receives the TCP measurement result that NodeB reports; According to said TCP measurement result, search the TCP-BLER correspondence table that presets, obtain the BLER value that is complementary with said TCP measurement result; According to said BLER value, assess descending wireless transmission quality at last.Do not need the terminal to participate in the process of descending wireless transmission quality measurement; Solved the problem of the downlink data transmission mass measurement mechanism that lacks under the situation that does not influence terminal traffic, realized when not influencing normally the carrying out of terminal traffic, accomplishing and measured.
Description of drawings
The flow chart of a kind of descending wireless transmission quality method of measurement that Fig. 1 provides for embodiments of the invention one;
The flow chart of a kind of descending wireless transmission quality method of measurement that Fig. 2 provides for embodiments of the invention two;
The flow chart of a kind of descending wireless transmission quality method of measurement that Fig. 3 provides for embodiments of the invention three;
The structural representation of a kind of descending wireless transmission quality measurement mechanism that Fig. 4 provides for embodiments of the invention four;
The structural representation of another descending wireless transmission quality measurement mechanism that Fig. 5 provides for embodiments of the invention four.
Embodiment
Find that in existing network test BLER is measured at the terminal can cause the terminal call drop, this makes the BLER that can't open the terminal in the existing network measure.The FER that has lacked downlink space interface is added up, and can influence the evaluation effect of voice quality.Therefore need to seek a kind of obtain manner that need not the descending BLER of terminal measurement.
Descending BLER is because the interference of descending wireless environment causes.In order to guarantee service transmission quality, when the interference lifting of wireless communication system, signal transmission power is lifting thereupon also, is used for opposing to disturb.Therefore, downlink signal transmitting power can reflect the disturbance regime of current wireless environment promptly to reflect descending BLER to a certain extent.
In order to address the above problem; Embodiments of the invention provide a kind of descending wireless transmission quality method of measurement, device and system; Downstream signal transmitting power through measuring N odeB side is assessed descending BLER; Thereby assess descending wireless transmission quality, solved to lack and under the situation that does not influence terminal traffic, measured the machine-processed problem of assessment downlink data transmission mass measurement.
Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
At first combine accompanying drawing, embodiments of the invention one are described.
The embodiment of the invention provides a kind of descending wireless transmission quality method of measurement, and it is as shown in Figure 1 to use this method to accomplish the flow process that descending wireless transmission quality is measured, and comprising:
In this step, during RNC opening voice quality evaluation function, after the voice user was linked into the TD system, RNC issued special-purpose TCP measurement control message to NodeB.NodeB gives RNC according to the criterion that reports in the measurement control message with measurement report.RNC sends the TCP measurement control message to NodeB; Indicate said NodeB according to period measurement and report the TCP measurement result; Or; Reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
NodeB reports the TCP measurement result according to the indication of RNC to RNC, and the TCP measurement result can adopt following two kinds to report mode:
1, periodic measurement mode: promptly by NodeB according to the TCP measurement result that reports the voice user measuring period of disposing in the measurement control message.Concrete, can report through TCP special measurement report (DedicatedMeasurement Reporting).
2, Iub mouth special measurement event report mode: promptly when the TCP measurement result satisfied the event report criterion in the measurement control message, NodeB reporting measurement event report carried the TCP measurement result in event report.
In this step, RNC obtains the TCP measurement result in the voice quality assessment cycle after receiving the report of TCP special measurement.
For the cycle report manner, perhaps Iub mouth specific event report manner calculates the TCP measurement result that voice quality assessment was received in the cycle as follows, and its result carries out quality evaluation as the TCP value of this evaluation cycle:
Standard TCP value=TCP measurement result * 16/SF/ solid size road maximum transmission power
Wherein, solid size road maximum transmission power is the maximum transmission power on the SF=16 code channel of RNC configuration.
If receive a plurality of TCP measurement results in the cycle in voice quality assessment; After then these results being handled TCP result of acquisition with certain data processing policy; Utilize above-mentioned formula to calculate this result, its result of calculation is as the TCP value of this evaluation cycle.As, ask the mean value of a plurality of TCP measurement results, with this value as standard TCP value.
If do not receive measurement report (cycle report or event report) in the cycle in voice quality assessment, then the TCP value of this evaluation cycle is very little, and the TCP value that sets up standard is a fixed value 0%.
After the TCP value that settles the standard, search the TCP-BLER correspondence table according to this standard TCP value, obtain corresponding BLER.
The employed TCP-BLER correspondence table of embodiments of the invention is obtained according to test, is kept among the RNC.After having confirmed the standard TCP value of voice quality assessment in the cycle, in the correspondence table of TCP-BLER, search corresponding BLER value:
If standard TCP value can find corresponding BLER value in the TCP-BLER table, then directly read corresponding BLER value;
If standard TCP value can not find corresponding BLER value in the TCP-BLER table, then confirm the BLER value according to certain interpolation matching principle.
If standard TCP value is 0%, then corresponding BLER is fixed as 0%.
Below in conjunction with accompanying drawing, embodiments of the invention two are described.
The embodiment of the invention provides a kind of descending wireless transmission quality method of measurement, and it is as shown in Figure 2 to use this method to accomplish the flow process that descending wireless transmission quality is measured, and comprising:
When the voice quality assessment cycle arrived, RNC calculated the mean value TCPAver=(TCP Report1+TCP Report2)/2 of all TCP measurement results, and calculates as follows, and its result of calculation is as the TCP measurement result of this voice quality assessment in the cycle:
TCP value=TCPAver * 16/16/ solid size road maximum transmission power (supposing that this user is single speech business user) in this voice quality assessment cycle.
Need to prove; Mean value with a plurality of TCP measurement results is a kind of mode that a plurality of TCP measurement results are handled as the TCP measurement result of voice quality assessment in the cycle; Can also select for use other modes (as from a plurality of TCP measurement results, selecting a TCP measurement result) to obtain the TCP measurement result in the voice quality assessment cycle; Those skilled in the art can expect other implementations easily, do not limit at this.
BLER＝0.2％+(TCPAver-TCP1)/(TCP2-TCP1)×(0.5％-0.2％)
Table 1
| TCP value (%) | BLER value (%) |
| TCP1 | 0.2 |
| TCP2 | 0.5 |
| TCP3 | 0.8 |
| TCP4 | 1 |
| TCP5 | 1.5 |
Below in conjunction with accompanying drawing, embodiments of the invention three are described.
The embodiment of the invention provides a kind of descending wireless transmission quality method of measurement, and it is as shown in Figure 3 to use this method to accomplish the flow process that descending wireless transmission quality is measured, and comprising:
When the voice quality assessment cycle arrived, RNC calculated the TCP measurement result TCP Report that receives in this evaluation cycle as follows, and its result of calculation is as the TCP value in this evaluation cycle:
Standard TCP value=TCP Report * 1/16/ solid size road maximum transmission power in this voice quality assessment cycle (supposing the user of this user, the code channel of a SF=1 of the descending distribution of RNC) for the voice-and-data service concurrence
Table 2
| TCP value (%) | BLER value (%) |
| TCP1 | 0.2 |
| TCP2 | 0.5 |
| TCP3 | 0.8 |
| TCP4 | 1 |
| TCP5 | 1.5 |
Below in conjunction with accompanying drawing, embodiments of the invention four are described.
The embodiment of the invention provides a kind of descending wireless transmission quality measurement mechanism, and its structure is as shown in Figure 4, comprising:
BLER value acquisition module 402 is used for searching the TCP-BLER correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result;
Preferably, this device is as shown in Figure 5, also comprises:
Send the TCP measurement control message to said NodeB, reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
Below in conjunction with accompanying drawing, embodiments of the invention five are described.
The embodiment of the invention provides a kind of descending wireless transmission quality measuring system, comprises the NodeB of RNC and this RNC control;
Said RNC is used to receive the TCP measurement result that NodeB reports, and according to said TCP measurement result, searches the TCP-BLER correspondence table that presets, and obtains the BLER value that is complementary with said TCP measurement result, according to said BLER value, assesses descending wireless transmission quality.
Preferably; Said RNC also is used for sending the TCP measurement control message to said NodeB, indicates said NodeB according to period measurement and report the TCP measurement result; Or; Send the TCP measurement control message to said NodeB, reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report;
Said NodeB; Be used to receive the TCP measurement control message that said RNC sends; And according to the indication of said TCP measurement control message; B is according to period measurement and report the TCP measurement result or the TCP measurement result that measures reporting measurement event report when satisfying the event report criterion, in said measurement event report, carries the TCP measurement result.
Descending wireless transmission quality measurement mechanism and system that embodiments of the invention provided; Can combine with a kind of descending wireless transmission quality method of measurement that embodiments of the invention provide, RNC receives the TCP measurement result that NodeB reports, according to said TCP measurement result; Search the TCP-BLER correspondence table that presets; Obtain the BLER value that is complementary with said TCP measurement result, according to said BLER value, assess descending wireless transmission quality at last.Do not need the terminal to participate in the process of descending wireless transmission quality measurement; Solved and lacked the problem of under the situation that does not influence terminal traffic, measuring assessment downlink data transmission mass measurement mechanism, realized when not influencing normally the carrying out of terminal traffic, accomplishing and measured.Can under situation about not measuring, obtain the assessment result of BLER through the measurement of network side, and apply it in the voice quality assessment by the terminal.Can improve the accuracy of voice quality assessment like this, participate in measurement owing to need not the terminal simultaneously, thereby avoid the terminal to measure its Effect on Performance.
The all or part of step that the one of ordinary skill in the art will appreciate that the foregoing description program circuit that can use a computer is realized; Said computer program can be stored in the computer-readable recording medium; Said computer program (like system, unit, device etc.) on the relevant hardware platform is carried out; When carrying out, comprise one of step or its combination of method embodiment.
Alternatively, all or part of step of the foregoing description also can use integrated circuit to realize, these steps can be made into integrated circuit modules one by one respectively, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in the foregoing description can adopt the general calculation device to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation element forms.
Each device/functional module/functional unit in the foregoing description is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be a read-only memory, disk or CD etc.
Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the present invention discloses easily, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (10)
1. a descending wireless transmission quality method of measurement is characterized in that, comprising:
Radio network controller (RNC) receives sign indicating number territory transmitting power (TCP) measurement result that base station (NodeB) reports;
Said RNC searches TCP-Block Error Rate (BLER) correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result;
According to said BLER value, assess descending wireless transmission quality.
2. descending wireless transmission quality method of measurement according to claim 1 is characterized in that, before the step of the TCP measurement result that said RNC reception NodeB reports, also comprises:
Said RNC sends the TCP measurement control message to said NodeB, indicates said NodeB according to period measurement and report the TCP measurement result; Or,
Said RNC sends the TCP measurement control message to said NodeB, and reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
3. descending wireless transmission quality method of measurement according to claim 1 is characterized in that, said RNC searches the TCP-BLER correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result and comprises:
Obtain standard TCP value according to following expression formula calculating:
Standard TCP value=TCP measurement result * 16/SF/ solid size road maximum transmission power, wherein, SF is descending spread spectrum coefficient;
According to said standard TCP value, the TCP-BLER correspondence table that inquiry is preset is obtained the BLER value that is complementary with this standard TCP value.
4. according to claim 1 or 3 described descending wireless transmission quality method of measurement, it is characterized in that this method also comprises:
If in the cycle, said RNC does not receive the TCP measurement result that said NodeB reports in voice quality assessment, confirm that then the standard TCP value of said NodeB is 0.
5. descending wireless transmission quality method of measurement according to claim 3 is characterized in that, and is said according to said standard TCP value, and the TCP-BLER correspondence table that inquiry is preset is obtained the BLER value that is complementary with this standard TCP value and comprised:
When in said TCP-BLER correspondence table, having said standard TCP value, obtain the corresponding BLER of this standard TCP value;
When in said TCP-BLER correspondence table, not having said standard TCP value, adopt the mode of interpolation, or adopt matching mode up or down, confirm the BLER value of said standard TCP value correspondence.
6. a descending wireless transmission quality measurement mechanism is characterized in that, comprising:
The collection module is used to receive the TCP measurement result that NodeB reports;
BLER value acquisition module is used for searching the TCP-BLER correspondence table that presets according to said TCP measurement result, obtains the BLER value that is complementary with said TCP measurement result;
Quality assessment modules is used for assessing descending wireless transmission quality according to said BLER value.
7. descending wireless transmission quality measurement mechanism according to claim 6 is characterized in that, said BLER value acquisition module comprises:
Standard TCP value computing unit is used for obtaining standard TCP value according to following expression formula calculating:
Standard TCP value=TCP measurement result * 16/SF/ solid size road maximum transmission power, wherein, SF is descending spread spectrum coefficient;
Lookup unit is used for according to said standard TCP value, and the TCP-BLER correspondence table that inquiry is preset is obtained the BLER value that is complementary with this standard TCP value.
8. descending wireless transmission quality measurement mechanism according to claim 6 is characterized in that this device also comprises:
Measure indicating module, be used for sending the TCP measurement control message, indicate said NodeB according to period measurement and report the TCP measurement result to said NodeB; Or,
Send the TCP measurement control message to said NodeB, reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report.
9. a descending wireless transmission quality measuring system is characterized in that, comprises the NodeB of RNC and this RNC control;
Said RNC is used to receive the TCP measurement result that NodeB reports, and according to said TCP measurement result, searches the TCP-BLER correspondence table that presets, and obtains the BLER value that is complementary with said TCP measurement result, according to said BLER value, assesses descending wireless transmission quality.
10. descending wireless transmission quality measuring system according to claim 9 is characterized in that,
Said RNC; Also be used for sending the TCP measurement control message to said NodeB; Indicate said NodeB according to period measurement and report the TCP measurement result, or, the TCP measurement control message sent to said NodeB; Reporting measurement event report when the TCP measurement result of indicating said NodeB to measure satisfies the event report criterion carries the TCP measurement result in said measurement event report;
Said NodeB; Be used to receive the TCP measurement control message that said RNC sends; And according to the indication of said TCP measurement control message; NodeB is according to period measurement and report the TCP measurement result or the TCP measurement result that measures reporting measurement event report when satisfying the event report criterion, in said measurement event report, carries the TCP measurement result.
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| WO2015192668A1 (en) * | 2014-06-16 | 2015-12-23 | 华为技术有限公司 | Evaluation processing method and device for voice service |
| WO2018032483A1 (en) * | 2016-08-19 | 2018-02-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink measurement based mobility management |
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