CN103260175A - Quality of service (QOS) measuring method and system based on minimum drive test - Google Patents
Quality of service (QOS) measuring method and system based on minimum drive test Download PDFInfo
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Abstract
The invention provides a quality of service (QOS) measuring method and system based on a minimum drive test. The QOS measuring method comprises the following steps of receiving minimum drive test (MDT) configuration information containing a QOS measuring type from a second node by a first node, wherein the QOS measuring type at least comprises one of message delay and packet loss probability, conducting MDT measuring by the first node according to the QOS measuring type, and reporting an MDT measuring result to the second node. According to the technical scheme, the MDT QOS measured reporting content is more complete, and a reporting mechanism is more flexible.
Description
Technical field
The present invention relates to the QOS method of measurement, relate in particular to a kind of QOS method of measurement and system based on minimum road test.
Background technology
Along with the development of wireless technology and popularizing of radio communication, the wireless network of different technologies mutually and deposit, coverage is also increasing, for operator, need network and the equipment of management also more and more, become increasingly complex, for the operation maintenance of network, operator need pay lot of manpower and material resources and carry out artificial drive test, and efficient is very low.In order to improve this situation, third generation partnership project (Third Generation Partnership Projects, 3GPP) at universal land radio access web (Universal Terrestrial Radio Access Network, UTRAN, it comprises base station node B and radio network controller (RNC)) and the universal land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network, it comprises evolution base station eNB) in begin to introduce minimum road test MDT function.The corresponding third generation of UTRAN (Third Generation, 3G) network, E-UTRAN corresponding Long Term Evolution (Long Term Evolution, LTE) network.
Minimum road test MDT functional utilization subscriber equipment (User Equipment, UE, or be called terminal) collect metrical information automatically, and report to wireless access network RAN by chain of command (Control Plane) signaling and (correspond respectively to Radio Network System (the Radio Network System in the UTRAN system, RNS), and the evolution base station eNB in the E-UTRAN system), report to follow the tracks of by wireless access network RAN again and collect entity (Trace Collection Entity, TCE), to be used for the network optimization (as finding and solve network coverage problem).
MDT supports based on the MDT (Management based MDT) of management with based on MDT (the Signaling based MDT) dual mode of signaling.
Be example (following all with) with the E-UTRAN system, based on the management MDT activation normally: the network management network element, as operation management maintain (Operation Administration Maintenance, OAM) or NE management (Element Manager, EM), transmission comprises the tracking activation message (Trace session activation) of MDT configuration information and measures for eNB with the MDT that activates some UE, eNB selects suitable UE according to the MDT configuration information of receiving, and the MDT configuration information sent to the UE that chooses, this UE carries out corresponding MDT measurement according to the MDT configuration information and reports, as shown in Figure 1.
Based on the activation of the MDT of signaling normally: the network management network element sends the tracking that comprises the MDT configuration information and activates message and measure to activate certain MDT to home subscriber server HSS, HSS sends to MME with this MDT configuration information, MME selects UE according to the MDT configuration information then, and the MDT configuration information is sent to the UE that chooses by eNB, this UE carries out corresponding MDT measurement according to the MDT configuration information and reports, as shown in Figure 2.
If UTRAN can replace with RNC with above-mentioned eNB, MME is replaced with general packet radio service technological service support node SGSN.
Residing state when carrying out MDT and measure according to UE, the pattern of MDT can also be divided into daily record MDT (Logged MDT) and MDT (Immediate MDT) immediately, wherein:
Daily record MDT (Logged MDT): UE connects control at Radio Resource, and (Radio Resource Control RRC) carries out surveying record under the idle condition (IDLE).For the E-UTRAN system, idle condition refers to the RRC_IDLE state; For the UTRAN system, idle condition also comprises cell paging channel status (CELL_PCH) and UTRAN Acceditation Area paging channel state (URA_PCH) except the RRC_IDLE state.
MDT (Immediate MDT) immediately: UE measures under the RRC connected state and reports.For the E-UTRAN system, connected state refers to the RRC_CONNECTED state; For the UTRAN system, connected state refers to cell dedicated channel status (CELL_DCH).
Above-mentioned MDT configuration information comprises: regional extent (Area scope), as tracking area (Tracking Area) or residential quarter Cell), the measurement type that need carry out of track reference (Trace Reference), UE and IP address of TCE etc.
Existing MDT measurement can be used for promoting service quality QOS, is used for the phase-split network properties data so that network side to be provided.Because in Access Network, the different business of terminal has different QOS attributes, as speed, and packet loss (Data Loss), message time delay attributes such as (packet delay).Different business may be assigned with different grade of service signs (QCI, QoS Class Identifier) according to the attribute difference.Network side can send business datum according to this grade sign and carry out different scheduling processing.But because actual arranging net and the complexity of network wireless environment, the actual performance of partial service may be affected.MDT QoS measures and namely is used for discovery to the key link of network performance influence, finds whether be necessary to adjust network configuration parameters or carry out the network capacity extension.But existing MDT QoS measures, and UE can only offer network side IP throughput (IP Throughput), can't offer other professional QOS attribute of network side, as message time delay, packet loss.In addition because the different business that UE uses is different to the susceptibility of QoS, as instant messaging service to delay sensitive, downloading service is to throughput sensitive, existing MDT QoS measures and can not require the QoS attribute of UE to measure and report selectively at different service types, this makes existing MDT QoS measurement report complete, underaction inadequately, is unfavorable for that operator carries out the statistical analysis of QoS.
Summary of the invention
The invention provides a kind of QOS method of measurement and system based on minimum road test, how to avoid existing MDT QoS measurement to report content complete, the technical problem that reports machine-processed underaction inadequately to solve.
For solving the problems of the technologies described above, the invention provides a kind of QOS method of measurement based on minimum road test (MDT), described method comprises:
First node receives the MDT configuration information that QOS measures type that comprises from Section Point, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least;
Described first node is measured type according to described QOS and is carried out the MDT measurement, and the MDT measurement result is reported described Section Point.
Further, described first node comprises subscriber equipment (UE), and described Section Point comprises evolution base station (eNB) or radio network controller (RNC);
Or,
Described first node comprises evolution base station (eNB), and described Section Point comprises Mobility Management Entity (MME);
Or,
Described first node comprises radio network controller (RNC), and described Section Point comprises general packet radio service technological service support node (SGSN).
Further, the QOS measurement type from Section Point of described first node reception is determined by the type of service of first node.
Further, comprise also in the described MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data.
Further, the parameter that also comprises the scope of the MDT measurement result that the restriction first node reports in the described MDT configuration information.
For solving the problems of the technologies described above, the present invention also provides a kind of QOS measuring system based on minimum road test (MDT), and described system comprises first node and Section Point, wherein,
Described first node be used for to receive from what described Section Point sent and comprises the MDT configuration information that QOS measures type, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least; And measure type according to described QOS and carry out the MDT measurement, and the MDT measurement result is reported described Section Point;
Described Section Point is used for sending the MDT configuration information that comprises QOS measurement type to described first node, and receives the MDT measurement result that described first node reports.
Further, described first node comprises subscriber equipment (UE), and described Section Point comprises evolution base station (eNB) or radio network controller (RNC);
Or,
Described first node comprises evolution base station (eNB), and described Section Point comprises Mobility Management Entity (MME);
Or,
Described first node comprises radio network controller (RNC), and described Section Point comprises general packet radio service technological service support node (SGSN).
Further, described Section Point is used for sending the MDT configuration information that comprises the QOS measurement type of being determined by the type of service of first node to described first node.
Further, comprise also in the described MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data.
Further, the parameter that also comprises the scope of the MDT measurement result that the restriction first node reports in the described MDT configuration information.
The QOS that the MDT configuration information from Section Point that technique scheme, first node receive comprises measures type and comprises at least and a kind of in message time delay and the packet loss with respect to prior art, expanded the professional QOS attribute that first node is measured and reported; In addition, the QOS that the MDT configuration information from Section Point that first node receives comprises measures type and is determined by the type of service of first node, realized that first node measures professional QOS attribute targetedly, and then the professional QOS attribute that makes first node report corresponds to actual needs more.
Description of drawings
Fig. 1 is that prior art is based on the minimum road test signaling process schematic diagram of management;
Fig. 2 is that prior art is based on the minimum road test signaling process schematic diagram of signaling;
Fig. 3 is the QOS method of measurement flow chart based on minimum road test of present embodiment;
Fig. 4 is that first QOS based on minimum road test that uses example measures the signaling process schematic diagram;
Fig. 5 is that second QOS based on minimum road test that uses example measures the signaling process schematic diagram;
Fig. 6 is the QOS measuring system module map based on minimum road test of present embodiment.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter will be elaborated to embodiments of the invention by reference to the accompanying drawings.Need to prove that under the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Fig. 3 is the QOS method of measurement flow chart based on minimum road test of present embodiment.
The S301 first node receives the MDT configuration information that QOS measures type that comprises from Section Point, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least;
Described QOS measures type also can comprise the IP throughput;
The QOS from Section Point that described first node receives measures type and is determined by the type of service of first node; As, when the type of service of first node was file downloading service, it was the IP throughput that the QOS from Section Point that first node receives measures type; When the type of service of first node was video traffic, it was message time delay etc. that the QOS from Section Point that first node receives measures type;
Comprise also in the described MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data;
The parameter that also comprises the scope of the MDT measurement result that the restriction first node reports in the described MDT configuration information.This parameter can comprise that the threshold value of QOS measurement categorical data and the QOS that reports measure the relation of categorical data and himself threshold value.As, it is the IP throughput that QOS measures type, the threshold value of IP throughput data is " 1 ", the IP throughput data that reports and the pass of himself threshold value be " greater than ", then the scope of the MDT measurement result that reports of the first node of Xian Dinging is the IP throughput greater than 1 measurement result.
The described first node of S302 is measured type according to described QOS and is carried out the MDT measurement, and the MDT measurement result is reported described Section Point.
Described first node also can directly report the MDT measurement result to follow the tracks of collects entity (TCE);
Above-mentioned first node comprises subscriber equipment (UE), and described Section Point comprises evolution base station (eNB) or radio network controller (RNC); Or described first node comprises evolution base station (eNB), and described Section Point comprises Mobility Management Entity (MME); Or described first node comprises radio network controller (RNC), and described Section Point comprises general packet radio service technological service support node (SGSN).
Fig. 4 is that first QOS based on minimum road test that uses example measures the signaling process schematic diagram.
The QoS that this application is exemplified as in the LTE network based on the MDT immediately of management measures.
S401, network management network element (as OAM or EM) send trace session activation message and activate based on the MDT that manages to eNB, carry the MDT configuration information in the trace session activation message, comprise in the MDT configuration information that wherein QoS measures type (IP throughput), QOS measures type and is applicable to downlink data;
S402, eNB store this MDT configuration information; Selection is in the terminal UE 1 of connected state, and sends RRC connection reconfiguration message to UE1, comprises the MDT configuration information of eNB storage in this reconfiguration message;
S403, UE1 receive back store M DT configuration information, and send the RRC connection to eNB and reshuffle and finish message finishing the back according to this MDT configuration information configuration;
S404, UE1 carry out the measurement of downstream IP throughput, and current downstream IP throughput measurement is formed measurement report;
Portability temporal information and positional information in this measurement report;
S405, UE1 send measurement report to eNB;
UE1 can periodically send measurement report to eNB;
S406, eNB send to TCE with measurement report.
In the above-mentioned method of measurement, eNB also can directly carry out the measurement of downstream IP throughput to the UE1 that selects behind the MDT configuration information of receiving from the network management network element, and measurement report directly sends to TCE then.
The method of measurement of this application example also can be used for the measurement to up IP throughput, or is used for simultaneously the measurement to uplink and downlink IP throughput; Also can be used for the measurement to message time delay, packet loss.
The method of measurement of this application example is applicable to 3G network too.
Fig. 5 is that second QOS based on minimum road test that uses example measures the signaling process schematic diagram.
The QoS that this application is exemplified as in the LTE network based on the MDT immediately of signaling measures.
S501, network management network element (as OAM or EM) trigger minimum road test, send the MDT configuration information to the HSS network element by trace session activation message, comprise QoS in this configuration information and measure type (IP throughput, message time delay and packet loss), QOS measures type and is applicable to downlink data, the threshold value of IP throughput data is " 21 ", the IP throughput data that reports and the pass of himself threshold value be " less than ", the threshold value of message delay data is " 22 ", the message delay data that reports and the pass of himself threshold value be " greater than ";
S502, HSS send to core network element MME with this MDT configuration information;
S503, MME select to be in the terminal UE 2 of connected state, and send this MDT configuration information to the eNB at UE2 place;
S503, eNB store this MDT configuration information;
S504, eNB carry out downstream IP throughput, the downlink message time delay to UE2, the measurement of descending packet loss, and measurement result is met the downstream IP throughput form measurement report less than set point 21 and downlink message time delay greater than the record of set point 22;
Portability temporal information and positional information in the measurement report.
S505, eNB send to TCE with measurement report;
ENB also can periodically send measurement report to TCE.
In the above-mentioned method of measurement, eNB is behind the MDT configuration information of receiving from MME, also this MDT configuration information can be sent to the UE2 that chooses, carried out the measurement of downstream IP throughput, downlink message time delay, descending packet loss by UE2, the UE2 surveying record that will meet above-mentioned condition forms measurement report and sends to eNB then, again measurement report is sent to TCE by eNB.
Above-mentioned method of measurement also can be used for the measurement to up IP throughput, uplink message time delay, up packet loss, or be used for simultaneously to/downstream IP throughput ,/the downlink message time delay ,/measurement of descending packet loss.
Above-mentioned method of measurement is applicable to 3G network too.
Fig. 6 is the QOS measuring system module map based on minimum road test of present embodiment.
Described system comprises first node and Section Point, wherein,
First node be used for to receive from what described Section Point sent and comprises the MDT configuration information that QOS measures type, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least; And measure type according to described QOS and carry out the MDT measurement, and the MDT measurement result is reported described Section Point;
Described QOS measures type also can comprise the IP throughput;
First node can comprise subscriber equipment (UE), and Section Point can comprise evolution base station (eNB) or radio network controller (RNC); Or first node can comprise evolution base station (eNB), and Section Point can comprise Mobility Management Entity (MME); Or first node can comprise radio network controller (RNC), and Section Point can comprise general packet radio service technological service support node (SGSN);
Section Point is used for sending the MDT configuration information that comprises QOS measurement type to described first node, and receives the MDT measurement result that described first node reports.
This Section Point also can be used for sending the MDT configuration information that comprises the QOS measurement type of being determined by the type of service of first node to described first node; As, when the type of service of first node was file downloading service, it was the IP throughput that the QOS from Section Point that first node receives measures type; When the type of service of first node was video traffic, it was message time delay etc. that the QOS from Section Point that first node receives measures type;
Can comprise in the above-mentioned MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data.
In the MDT configuration information even can comprise that also the parameter of the scope that limits the MDT measurement result that first node reports, the parameter of the scope of the MDT measurement result that this restrictions first node reports can comprise that QOS measures the threshold value of categorical data and the QOS measurement categorical data that reports and the relation of himself threshold value.As, it is the IP throughput that QOS measures type, the threshold value of IP throughput data is " 1 ", the IP throughput data that reports and the pass of himself threshold value be " greater than ", then the scope of the MDT measurement result that reports of the first node of Xian Dinging is the IP throughput greater than 1 measurement result.
In other embodiments, above-mentioned first node also can directly report the MDT measurement result to follow the tracks of and collect entity (TCE).
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuits to realize, correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Need to prove; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. QOS method of measurement based on minimum road test (MDT) is characterized in that described method comprises:
First node receives the MDT configuration information that QOS measures type that comprises from Section Point, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least;
Described first node is measured type according to described QOS and is carried out the MDT measurement, and the MDT measurement result is reported described Section Point.
2. QOS method of measurement as claimed in claim 1 is characterized in that,
Described first node comprises subscriber equipment (UE), and described Section Point comprises evolution base station (eNB) or radio network controller (RNC);
Or,
Described first node comprises evolution base station (eNB), and described Section Point comprises Mobility Management Entity (MME);
Or,
Described first node comprises radio network controller (RNC), and described Section Point comprises general packet radio service technological service support node (SGSN).
3. QOS method of measurement as claimed in claim 1 or 2 is characterized in that,
The QOS from Section Point that described first node receives measures type and is determined by the type of service of first node.
4. QOS method of measurement as claimed in claim 3 is characterized in that,
Comprise also in the described MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data.
5. QOS method of measurement as claimed in claim 4 is characterized in that,
The parameter that also comprises the scope of the MDT measurement result that the restriction first node reports in the described MDT configuration information.
6. the QOS measuring system based on minimum road test (MDT) is characterized in that described system comprises first node and Section Point, wherein,
Described first node be used for to receive from what described Section Point sent and comprises the MDT configuration information that QOS measures type, and described QOS measures type and comprises a kind of in message time delay and the packet loss at least; And measure type according to described QOS and carry out the MDT measurement, and the MDT measurement result is reported described Section Point;
Described Section Point is used for sending the MDT configuration information that comprises QOS measurement type to described first node, and receives the MDT measurement result that described first node reports.
7. QOS measuring system as claimed in claim 6 is characterized in that,
Described first node comprises subscriber equipment (UE), and described Section Point comprises evolution base station (eNB) or radio network controller (RNC);
Or,
Described first node comprises evolution base station (eNB), and described Section Point comprises Mobility Management Entity (MME);
Or,
Described first node comprises radio network controller (RNC), and described Section Point comprises general packet radio service technological service support node (SGSN).
8. as claim 6 or 7 described QOS measuring systems, it is characterized in that,
Described Section Point is used for sending the MDT configuration information that comprises the QOS measurement type of being determined by the type of service of first node to described first node.
9. QOS measuring system as claimed in claim 8 is characterized in that,
Comprise also in the described MDT configuration information that limiting described QOS measures the parameter that type is applicable to upstream data, downlink data or up-downgoing data.
10. QOS measuring system as claimed in claim 9 is characterized in that,
The parameter that also comprises the scope of the MDT measurement result that the restriction first node reports in the described MDT configuration information.
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