CN104754604A - Method, device and system for monitoring LTE (Long-Term Evolution) interference to WLAN (Wireless Local Area Network) - Google Patents

Method, device and system for monitoring LTE (Long-Term Evolution) interference to WLAN (Wireless Local Area Network) Download PDF

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CN104754604A
CN104754604A CN201310752400.3A CN201310752400A CN104754604A CN 104754604 A CN104754604 A CN 104754604A CN 201310752400 A CN201310752400 A CN 201310752400A CN 104754604 A CN104754604 A CN 104754604A
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wlan
lte
relevant parameter
error rate
state diagram
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CN104754604B (en
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蔡毅
杨南飞
刘羿
王伽星
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China Mobile Group Sichuan Co Ltd
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China Mobile Group Sichuan Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

The invention discloses a method for monitoring LTE (Long-Term Evolution) interference to WLAN (Wireless Local Area Network); testing points are deployed in the cooperative working area of the LTE and the WLAN in advance; the method further comprises the steps: recording the coordinates of the testing points and real-timely acquiring the relevant parameters of the testing points; analyzing the acquired relevant parameters by means of a data fusion technology and drawing a state diagram of the relevant parameters in combination of the coordinates of the testing points; analyzing the relevance among the relevant parameters according to an interference significance model and the state diagram of the relevant parameters, and determining the interference degree of the LTE to the WLAN. The invention further discloses a device and a system for monitoring LTE interference to the WLAN.

Description

A kind of method, Apparatus and system of monitoring LTE and WLAN being disturbed
Technical field
The present invention relates to wireless network interference monitoring technology, particularly relate to a kind of monitoring Long Term Evolution (TimeDivision-Long Term Evolution, LTE) to method, Apparatus and system that WLAN (wireless local area network) (Wireless Local Area Network, WLAN) is disturbed.
Background technology
Along with the large scale deployment of LTE, WLAN is inevitably subject to the interference from LTE base station.LTE and WLAN compares, and the transmitting power of LTE base station is large, like this, at WLAN access point (AccessPoint, AP) near working frequency points, the carrier/interface ratio that WLAN work station mails to the upward signal of WLAN AP can be seriously impaired, and finally causes the upstream rate error rate very high.Therefore, it may be necessary the interference existed in monitoring current network conditions and carry out reasonable on-premise network, make LTE and WLAN collaborative work.
In addition, in the region of LTE and WLAN collaborative work, when judging the interference of LTE to WLAN, need to provide the evaluation index characterizing WLAN performance: for AP, coverage, uplink throughput can be adopted to characterize; For the client STA (being generally mobile phone or notebook terminal) of WLAN, the signs such as signal to noise ratio (snr), received signal strength (RSSI), packet loss, downlink throughput can be adopted.Meanwhile, in order to assess the annoyance level of LTE to WLAN, also need to test following relevant parameter: the signal to noise ratio of the LTE signal strength signal intensity received, WLAN signal intensity, WLAN signal and the error rate etc., and analyze the correlation of these parameters and WLAN performance.
At present, calculating minimum coupling loss (MCL) is a kind of technology of monitoring LTE and disturbing WLAN.Wherein, MCL refers to that transmitting base station arrives the path loss received between base station, comprises antenna gain and feeder loss, and this technology provides networking suggestion and interference evadable suggestion according to result of calculation.
In prior art, there is following defect to the technology that WLAN disturbs in monitoring LTE: monitoring result is directly perceived not, can only provide interference evadable suggestion or demonstrate interference monitoring report; Monitoring result is comprehensive not, does not carry out comprehensive monitoring to the error rate of WLAN signal power, LTE signal power, WLAN signal; LTE in zonule can only be monitored to the interference of single wlan network.
Summary of the invention
For solving the technical problem of existing existence, the embodiment of the present invention provides a kind of method, the Apparatus and system of monitoring LTE and disturbing WLAN, can reflect the disturbed condition of LTE to WLAN comprehensively, intuitively.
Embodiments provide a kind of method of monitoring LTE and WLAN being disturbed, in the region of LTE and WLAN collaborative work, dispose test point in advance; Described method also comprises:
Record test point coordinate and the relevant parameter of Real-time Collection test point;
Utilize Data fusion technique to analyze the relevant parameter collected, and draw the state diagram of relevant parameter in conjunction with test point coordinate;
Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN.
In such scheme, described relevant parameter comprises LTE Signal reception power, WLAN signal received power and the WLAN signal error rate;
The state diagram of described relevant parameter comprises the graph of a relation of WLAN signal error rate isopotential map, the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power and WLAN signal received power and WLAN signal error rate trend graph.
In such scheme, the described state diagram correlation analyzed between relevant parameter according to interference conspicuousness model and described relevant parameter is specially according to interference conspicuousness model and the described WLAN signal error rate and the WLAN signal received power graph of a relation with the ratio of LTE Signal reception power, analyzes the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
In such scheme, described determine that LTE is to the annoyance level of WLAN after, store and analyze described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point;
In conjunction with electronic map system, draw LTE to the annoyance level coverage diagram of WLAN;
Utilize Data fusion technique, carry out network coverage analysis, network congestion analysis, user density calculating.
In such scheme, described test point comprises fixed or transportable test panel point.
The embodiment of the present invention additionally provides a kind of device of monitoring LTE and disturbing WLAN, and this device comprises: parametric testing module, display control module, data analysis module; Wherein,
Parametric testing module, for recording test point coordinate and the relevant parameter of Real-time Collection test point;
Data analysis module, for utilizing Data fusion technique to analyze the relevant parameter collected, and draws the state diagram of relevant parameter in conjunction with test point coordinate; Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN;
Display control module, for being undertaken storing and sending data analysis module to by the relevant parameter of the test point gathered by described parametric testing module; The state diagram of the relevant parameter drawn by described data analysis module is carried out storing and showing.
In such scheme, described data analysis module specifically for according to interference conspicuousness model and the described WLAN signal error rate and the WLAN signal received power graph of a relation with the ratio of LTE Signal reception power, analyzes the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
The embodiment of the present invention further provides a kind of system of monitoring LTE and disturbing WLAN, and this system comprises disturbed test terminal, server; Described disturbed test terminal comprises the device described in any one of the claims 6 to 8; Wherein,
Described disturbed test terminal, for after determining that LTE is to the annoyance level of WLAN by described data processing module, transmit described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point by display control module to server;
Described server, for storing and analyzing described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point; LTE is drawn to the annoyance level coverage diagram of WLAN in conjunction with electronic map system; Data fusion technique is utilized to carry out network coverage analysis, network congestion analysis, user density calculating.
In such scheme, described server, also for sending the annoyance level coverage diagram of described LTE to WLAN to disturbed test terminal, and is shown by display control module.
Method, Apparatus and system that the monitoring LTE that the embodiment of the present invention provides disturbs WLAN, record test point coordinate and the relevant parameter of Real-time Collection test point; Data fusion technique is utilized to analyze collected relevant parameter and draw the state diagram of relevant parameter; Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN; So, by isopotential map and trend graph, the serious interference degree of each test point in current LTE and WLAN collaborative work region can be showed, and further classification be carried out to interference, provide the order of severity of interference intuitively; Further, utilize Data fusion technique on a large scale, LTE carries out monitoring analysis to the interference of WLAN in the LTE community of multi-user, can in real time for later stage network optimization decision-making provides continuity data.
Accompanying drawing explanation
Fig. 1 is the method realization flow schematic diagram that embodiment of the present invention monitoring LTE disturbs WLAN;
Fig. 2 is that embodiment of the present invention monitoring LTE is to the specific implementation schematic flow sheet of the method that WLAN disturbs;
Fig. 3 is embodiment of the present invention WLAN signal error rate isopotential map;
Fig. 4 is that embodiment of the present invention LTE covers schematic diagram to the interference of WLAN;
Fig. 5 is that embodiment of the present invention monitoring LTE is to the composition structural representation of the device that WLAN disturbs;
Fig. 6 is that embodiment of the present invention monitoring LTE is to the composition structural representation of the system that WLAN disturbs.
Embodiment
In embodiments of the present invention: the relevant parameter of Real-time Collection test point; Data fusion technique is utilized to analyze the relevant parameter collected and draw the state diagram of relevant parameter; According to the correlation between interference conspicuousness model and the state diagram analysis relevant parameter of described relevant parameter, and determine the annoyance level of LTE to WLAN.
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Fig. 1 is the method realization flow schematic diagram that embodiment of the present invention monitoring LTE disturbs WLAN, and as shown in Figure 1, embodiment of the present invention monitoring LTE comprises the method that WLAN disturbs:
Step S100: record test point coordinate and the relevant parameter of Real-time Collection test point;
Here, before execution step S100, first in the region of LTE and WLAN collaborative work, dispose test point in advance comprises state's fixed pattern or transportable test panel point; Wherein, being deployed as of fixed test point: first calculate deployed position, then actual searching deployment point, installation and deployment, test coverage, adjustment deployment point, reaches monitored area all standing.
Wherein, described relevant parameter includes but not limited to: LTE Signal reception power, WLAN signal received power and the WLAN signal error rate.
Step S101: utilize Data fusion technique to analyze the relevant parameter collected, and the state diagram of drawing relevant parameter in conjunction with test point coordinate;
Here, described Data fusion technique refers to collection and integrated various information source, multimedia and multi-format information, thus generates complete, accurate, timely and effective integrated information process.Wherein, multisensor Data Fusion technology is used for research and how obtains relevant information in conjunction with multi-source information and auxiliary data, to obtain than single-sensor more accurately, clearer and more definite result; Described fusion is a kind of data mart modeling process, adopt algorithm that the difference along with the difference of data source and the target of fusion is different.
Step S102: according to the correlation between interference conspicuousness model and the state diagram analysis relevant parameter of described relevant parameter, and determine the annoyance level of LTE to WLAN;
Here, described interference conspicuousness model pre-sets, and specifically how to arrange and belongs to prior art, do not repeat them here.
Fig. 2 is that the embodiment of the present invention monitors LTE to the specific implementation schematic flow sheet of the method that WLAN disturbs, and as shown in Figure 2, embodiment of the present invention monitoring LTE specifically comprises the method that WLAN disturbs:
Step S200: dispose test point in advance in the region of LTE and WLAN collaborative work;
Step S201: record test point coordinate;
Step S202: the relevant parameter of Real-time Collection test point;
Here, described relevant parameter includes but not limited to: LTE Signal reception power, WLAN signal received power and the WLAN signal error rate;
Step S203: utilize Data fusion technique to analyze the relevant parameter collected, and the state diagram of drawing relevant parameter in conjunction with test point coordinate;
Here, the state diagram of described relevant parameter comprises graph of a relation and WLAN signal received power and the WLAN signal error rate trend graph etc. of WLAN signal error rate isopotential map, the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
For example, the embodiment of the present invention utilizes Data fusion technique to analyze the WLAN signal error rate in the test zone A in WLAN AP coverage, draws and obtains WLAN signal error rate isopotential map, as shown in Figure 3; Wherein, curve a, b, c is respectively three error rate equipotential liness of drawing according to tested ber value.Here, after the WLAN signal error rate in the WLAN AP coverage collected, in conjunction with the coordinate of data and test point in the past, calculate by analysis, point close for the WLAN error rate is linked up, form equipotential lines.
Step S204: according to the correlation between interference conspicuousness model and the state diagram analysis relevant parameter of described relevant parameter, and determine the annoyance level of LTE to WLAN;
Particularly, according to the graph of a relation disturbing conspicuousness model and the described WLAN signal error rate and WLAN signal received power with the ratio of LTE Signal reception power, analyze the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power, and determine the annoyance level of LTE to WLAN.
Here, the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power is the index illustrating that LTE disturbs WLAN.
Further, described in the embodiment of the present invention, method also comprises:
Step S205: store and analyze described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point;
Step S206: in conjunction with electronic map system, draws LTE to the annoyance level coverage diagram of WLAN;
For example, in conjunction with LTE in the LTE community that electronic map system is drawn to the annoyance level coverage diagram of WLAN, as shown in Figure 4, for embodiment of the present invention LTE covers schematic diagram to the interference of WLAN.Wherein, horizontal line fill area represents level of interference 1, diamond crossing line fill area represents level of interference 2, graticule line fill area represents level of interference 3 and oblique line fill area represents level of interference 4.
Step S207: utilize Data fusion technique to carry out network coverage analysis, network congestion analysis, user density calculating.
Here, by step S207, can be embodied as the network optimization provides data.
Fig. 5 is the device composition structural representation that embodiment of the present invention monitoring LTE disturbs WLAN, and as shown in Figure 5, embodiment of the present invention monitoring LTE comprises the device that WLAN disturbs: parametric testing module 10, data analysis module 11, display control module 12; Wherein,
Described parametric testing module 10, for recording test point coordinate and the relevant parameter of Real-time Collection test point;
Here, described relevant parameter includes but not limited to: LTE Signal reception power, WLAN signal received power and the WLAN signal error rate;
Described data analysis module 11, for utilizing Data fusion technique to analyze the relevant parameter collected, and draws the state diagram of relevant parameter in conjunction with test point coordinate; Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN;
Here, the state diagram of described relevant parameter comprises the graph of a relation of WLAN signal error rate isopotential map, the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power and WLAN signal received power and WLAN signal error rate trend graph.
Here, described data analysis module 11 specifically for by interference conspicuousness model and the described WLAN signal error rate and the WLAN signal received power graph of a relation with the ratio of LTE Signal reception power, analyzes the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
Described display control module 12, for being undertaken storing by the relevant parameter of the test point gathered by described parametric testing module 10 and sending data analysis module 11 to; The state diagram of the relevant parameter drawn by described data analysis module 11 is carried out storing and showing.
Fig. 6 is the system composition structural representation that embodiment of the present invention monitoring LTE disturbs WLAN, and as shown in Figure 6, embodiment of the present invention monitoring LTE comprises the system that WLAN disturbs: disturbed test terminal 20, server 21; Described disturbed test terminal 20 comprises a kind of device of monitoring LTE and disturbing WLAN, and described monitoring LTE is to the concrete composition structure of the device that WLAN disturbs, and the function that composition structure completes, identical with described function with structure shown in Fig. 5; Wherein,
Described disturbed test terminal 20, also for after determining that LTE is to the annoyance level of WLAN by described data processing module 11, transmit described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point by display control module 12 to server 21;
Described server 21, for storing and analyzing described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point; In conjunction with electronic map system, draw LTE to the annoyance level coverage diagram of WLAN; Utilize Data fusion technique, carry out network coverage analysis, network congestion analysis, user density calculating.
Further, described server 21, also for sending the annoyance level coverage diagram of described LTE to WLAN to described disturbed test terminal 20, and is shown by described display control module 12.
In actual applications, described parametric testing module 10, data analysis module 11, display control module 12 all can realize by being positioned at the central processing unit (CPU) of disturbed test terminal 20, microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA).
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims (10)

1. monitor the method that LTE disturbs WLAN, it is characterized in that, in the region of LTE and WLAN collaborative work, dispose test point in advance; Described method also comprises:
Record test point coordinate and the relevant parameter of Real-time Collection test point;
Utilize Data fusion technique to analyze the relevant parameter collected, and draw the state diagram of relevant parameter in conjunction with test point coordinate;
Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN.
2. method according to claim 1, is characterized in that, described relevant parameter comprises LTE Signal reception power, WLAN signal received power and the WLAN signal error rate;
The state diagram of described relevant parameter comprises the graph of a relation of WLAN signal error rate isopotential map, the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power and WLAN signal received power and WLAN signal error rate trend graph.
3. method according to claim 2, it is characterized in that, the described state diagram correlation analyzed between relevant parameter according to interference conspicuousness model and described relevant parameter is specially according to interference conspicuousness model and the described WLAN signal error rate and the WLAN signal received power graph of a relation with the ratio of LTE Signal reception power, analyzes the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
4. method according to claim 1, it is characterized in that, described determine that LTE is to the annoyance level of WLAN after, store and analyze described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point;
In conjunction with electronic map system, draw LTE to the annoyance level coverage diagram of WLAN;
Utilize Data fusion technique, carry out network coverage analysis, network congestion analysis, user density calculating.
5. the method according to any one of Claims 1-4, is characterized in that, described test point comprises fixed or transportable test panel point.
6. monitor the device that LTE disturbs WLAN, it is characterized in that, described device comprises: parametric testing module, display control module, data analysis module; Wherein,
Parametric testing module, for recording test point coordinate and the relevant parameter of Real-time Collection test point;
Data analysis module, for utilizing Data fusion technique to analyze the relevant parameter collected, and draws the state diagram of relevant parameter in conjunction with test point coordinate; Analyze the correlation between relevant parameter according to the state diagram of interference conspicuousness model and described relevant parameter, and determine the annoyance level of LTE to WLAN;
Display control module, for being undertaken storing and sending data analysis module to by the relevant parameter of the test point gathered by described parametric testing module; The state diagram of the relevant parameter drawn by described data analysis module is carried out storing and showing.
7. device according to claim 6, is characterized in that, described relevant parameter comprises LTE Signal reception power, WLAN signal received power and the WLAN signal error rate;
The state diagram of described relevant parameter comprises the graph of a relation of WLAN signal error rate isopotential map, the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power and WLAN signal received power and WLAN signal error rate trend graph.
8. device according to claim 7, it is characterized in that, described data analysis module specifically for according to interference conspicuousness model and the described WLAN signal error rate and the WLAN signal received power graph of a relation with the ratio of LTE Signal reception power, analyzes the correlation of the WLAN signal error rate and WLAN signal received power and the ratio of LTE Signal reception power.
9. monitor the system that LTE disturbs WLAN, it is characterized in that, described system comprises disturbed test terminal, server; Described disturbed test terminal comprises the device described in any one of the claims 6 to 8; Wherein,
Described disturbed test terminal, for after determining that LTE is to the annoyance level of WLAN by described data processing module, transmit described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point by display control module to server;
Described server, for storing and analyzing described relevant parameter, the state diagram of described relevant parameter, described LTE to the coordinate of the annoyance level of WLAN and described test point; LTE is drawn to the annoyance level coverage diagram of WLAN in conjunction with electronic map system; Data fusion technique is utilized to carry out network coverage analysis, network congestion analysis, user density calculating.
10. system according to claim 9, is characterized in that, described server, also for sending the annoyance level coverage diagram of described LTE to WLAN to disturbed test terminal, and is shown by display control module.
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